Merge pull request #1155 from vector-im/feature/multipicker

Multiple attachment picker implementation

matrix-sdk-android/build.gradle

@@ -119,7 +119,7 @@ dependencies {
     implementation "ru.noties.markwon:core:$markwon_version"
 
     // Image
-    implementation 'androidx.exifinterface:exifinterface:1.1.0'
+    implementation 'androidx.exifinterface:exifinterface:1.3.0-alpha01'
     implementation 'id.zelory:compressor:3.0.0'
 
     // Database

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/content/ContentAttachmentData.kt

@@ -16,6 +16,7 @@
 
 package im.vector.matrix.android.api.session.content
 
+import android.net.Uri
 import android.os.Parcelable
 import androidx.exifinterface.media.ExifInterface
 import kotlinx.android.parcel.Parcelize
@@ -29,8 +30,7 @@ data class ContentAttachmentData(
         val width: Long? = 0,
         val exifOrientation: Int = ExifInterface.ORIENTATION_UNDEFINED,
         val name: String? = null,
-        val queryUri: String,
-        val path: String,
+        val queryUri: Uri,
         private val mimeType: String?,
         val type: Type
 ) : Parcelable {

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/content/FileUploader.kt

@@ -53,9 +53,9 @@ internal class FileUploader @Inject constructor(@Authenticated
 
     suspend fun uploadByteArray(byteArray: ByteArray,
                                 filename: String?,
-                                mimeType: String,
+                                mimeType: String?,
                                 progressListener: ProgressRequestBody.Listener? = null): ContentUploadResponse {
-        val uploadBody = byteArray.toRequestBody(mimeType.toMediaTypeOrNull())
+        val uploadBody = byteArray.toRequestBody(mimeType?.toMediaTypeOrNull())
         return upload(uploadBody, filename, progressListener)
     }
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/content/ThumbnailExtractor.kt

@@ -16,12 +16,12 @@
 
 package im.vector.matrix.android.internal.session.content
 
+import android.content.Context
 import android.graphics.Bitmap
-import android.media.ThumbnailUtils
-import android.provider.MediaStore
+import android.media.MediaMetadataRetriever
 import im.vector.matrix.android.api.session.content.ContentAttachmentData
+import timber.log.Timber
 import java.io.ByteArrayOutputStream
-import java.io.File
 
 internal object ThumbnailExtractor {
 
@@ -33,34 +33,40 @@ internal object ThumbnailExtractor {
             val mimeType: String
     )
 
-    fun extractThumbnail(attachment: ContentAttachmentData): ThumbnailData? {
-        val file = File(attachment.path)
-        if (!file.exists() || !file.isFile) {
-            return null
-        }
+    fun extractThumbnail(context: Context, attachment: ContentAttachmentData): ThumbnailData? {
         return if (attachment.type == ContentAttachmentData.Type.VIDEO) {
-            extractVideoThumbnail(attachment)
+            extractVideoThumbnail(context, attachment)
         } else {
             null
         }
     }
 
-    private fun extractVideoThumbnail(attachment: ContentAttachmentData): ThumbnailData? {
-        val thumbnail = ThumbnailUtils.createVideoThumbnail(attachment.path, MediaStore.Video.Thumbnails.MINI_KIND) ?: return null
-        val outputStream = ByteArrayOutputStream()
-        thumbnail.compress(Bitmap.CompressFormat.JPEG, 100, outputStream)
-        val thumbnailWidth = thumbnail.width
-        val thumbnailHeight = thumbnail.height
-        val thumbnailSize = outputStream.size()
-        val thumbnailData = ThumbnailData(
-                width = thumbnailWidth,
-                height = thumbnailHeight,
-                size = thumbnailSize.toLong(),
-                bytes = outputStream.toByteArray(),
-                mimeType = "image/jpeg"
-        )
-        thumbnail.recycle()
-        outputStream.reset()
+    private fun extractVideoThumbnail(context: Context, attachment: ContentAttachmentData): ThumbnailData? {
+        var thumbnailData: ThumbnailData? = null
+        val mediaMetadataRetriever = MediaMetadataRetriever()
+        try {
+            mediaMetadataRetriever.setDataSource(context, attachment.queryUri)
+            val thumbnail = mediaMetadataRetriever.frameAtTime
+
+            val outputStream = ByteArrayOutputStream()
+            thumbnail.compress(Bitmap.CompressFormat.JPEG, 100, outputStream)
+            val thumbnailWidth = thumbnail.width
+            val thumbnailHeight = thumbnail.height
+            val thumbnailSize = outputStream.size()
+            thumbnailData = ThumbnailData(
+                    width = thumbnailWidth,
+                    height = thumbnailHeight,
+                    size = thumbnailSize.toLong(),
+                    bytes = outputStream.toByteArray(),
+                    mimeType = "image/jpeg"
+            )
+            thumbnail.recycle()
+            outputStream.reset()
+        } catch (e: Exception) {
+            Timber.e(e, "Cannot extract video thumbnail")
+        } finally {
+            mediaMetadataRetriever.release()
+        }
         return thumbnailData
     }
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/content/UploadContentWorker.kt

@@ -17,12 +17,9 @@
 package im.vector.matrix.android.internal.session.content
 
 import android.content.Context
-import android.graphics.BitmapFactory
 import androidx.work.CoroutineWorker
 import androidx.work.WorkerParameters
 import com.squareup.moshi.JsonClass
-import id.zelory.compressor.Compressor
-import id.zelory.compressor.constraint.default
 import im.vector.matrix.android.api.session.content.ContentAttachmentData
 import im.vector.matrix.android.api.session.events.model.Event
 import im.vector.matrix.android.api.session.events.model.toContent
@@ -41,8 +38,6 @@ import im.vector.matrix.android.internal.worker.WorkerParamsFactory
 import im.vector.matrix.android.internal.worker.getSessionComponent
 import timber.log.Timber
 import java.io.ByteArrayInputStream
-import java.io.File
-import java.io.FileInputStream
 import javax.inject.Inject
 
 private data class NewImageAttributes(
@@ -94,8 +89,90 @@ internal class UploadContentWorker(val context: Context, params: WorkerParameter
 
         var newImageAttributes: NewImageAttributes? = null
 
-        val attachmentFile = try {
-            File(attachment.path)
+        try {
+            val inputStream = context.contentResolver.openInputStream(attachment.queryUri)
+                    ?: return Result.success(
+                            WorkerParamsFactory.toData(
+                                    params.copy(
+                                            lastFailureMessage = "Cannot openInputStream for file: " + attachment.queryUri.toString()
+                                    )
+                            )
+                    )
+
+            inputStream.use {
+                var uploadedThumbnailUrl: String? = null
+                var uploadedThumbnailEncryptedFileInfo: EncryptedFileInfo? = null
+
+                ThumbnailExtractor.extractThumbnail(context, params.attachment)?.let { thumbnailData ->
+                    val thumbnailProgressListener = object : ProgressRequestBody.Listener {
+                        override fun onProgress(current: Long, total: Long) {
+                            notifyTracker(params) { contentUploadStateTracker.setProgressThumbnail(it, current, total) }
+                        }
+                    }
+
+                    try {
+                        val contentUploadResponse = if (params.isEncrypted) {
+                            Timber.v("Encrypt thumbnail")
+                            notifyTracker(params) { contentUploadStateTracker.setEncryptingThumbnail(it) }
+                            val encryptionResult = MXEncryptedAttachments.encryptAttachment(ByteArrayInputStream(thumbnailData.bytes), thumbnailData.mimeType)
+                            uploadedThumbnailEncryptedFileInfo = encryptionResult.encryptedFileInfo
+                            fileUploader.uploadByteArray(encryptionResult.encryptedByteArray,
+                                    "thumb_${attachment.name}",
+                                    "application/octet-stream",
+                                    thumbnailProgressListener)
+                        } else {
+                            fileUploader.uploadByteArray(thumbnailData.bytes,
+                                    "thumb_${attachment.name}",
+                                    thumbnailData.mimeType,
+                                    thumbnailProgressListener)
+                        }
+
+                        uploadedThumbnailUrl = contentUploadResponse.contentUri
+                    } catch (t: Throwable) {
+                        Timber.e(t, "Thumbnail update failed")
+                    }
+                }
+
+                val progressListener = object : ProgressRequestBody.Listener {
+                    override fun onProgress(current: Long, total: Long) {
+                        notifyTracker(params) {
+                            if (isStopped) {
+                                contentUploadStateTracker.setFailure(it, Throwable("Cancelled"))
+                            } else {
+                                contentUploadStateTracker.setProgress(it, current, total)
+                            }
+                        }
+                    }
+                }
+
+                var uploadedFileEncryptedFileInfo: EncryptedFileInfo? = null
+
+                return try {
+                    val contentUploadResponse = if (params.isEncrypted) {
+                        Timber.v("Encrypt file")
+                        notifyTracker(params) { contentUploadStateTracker.setEncrypting(it) }
+
+                        val encryptionResult = MXEncryptedAttachments.encryptAttachment(inputStream, attachment.getSafeMimeType())
+                        uploadedFileEncryptedFileInfo = encryptionResult.encryptedFileInfo
+
+                        fileUploader
+                                .uploadByteArray(encryptionResult.encryptedByteArray, attachment.name, "application/octet-stream", progressListener)
+                    } else {
+                        fileUploader
+                                .uploadByteArray(inputStream.readBytes(), attachment.name, attachment.getSafeMimeType(), progressListener)
+                    }
+
+                    handleSuccess(params,
+                            contentUploadResponse.contentUri,
+                            uploadedFileEncryptedFileInfo,
+                            uploadedThumbnailUrl,
+                            uploadedThumbnailEncryptedFileInfo,
+                            newImageAttributes)
+                } catch (t: Throwable) {
+                    Timber.e(t)
+                    handleFailure(params, t)
+                }
+            }
         } catch (e: Exception) {
             Timber.e(e)
             notifyTracker(params) { contentUploadStateTracker.setFailure(it, e) }
@@ -106,109 +183,6 @@ internal class UploadContentWorker(val context: Context, params: WorkerParameter
                             )
                     )
             )
-        }
-                .let { originalFile ->
-                    if (attachment.type == ContentAttachmentData.Type.IMAGE) {
-                        if (params.compressBeforeSending) {
-                            Compressor.compress(context, originalFile) {
-                                default(
-                                        width = MAX_IMAGE_SIZE,
-                                        height = MAX_IMAGE_SIZE
-                                )
-                            }.also { compressedFile ->
-                                // Update the params
-                                val options = BitmapFactory.Options().apply { inJustDecodeBounds = true }
-                                BitmapFactory.decodeFile(compressedFile.absolutePath, options)
-                                val fileSize = compressedFile.length().toInt()
-
-                                newImageAttributes = NewImageAttributes(
-                                        options.outWidth,
-                                        options.outHeight,
-                                        fileSize
-                                )
-                            }
-                        } else {
-                            // TODO Fix here the image rotation issue
-                            originalFile
-                        }
-                    } else {
-                        // Other type
-                        originalFile
-                    }
-                }
-
-        var uploadedThumbnailUrl: String? = null
-        var uploadedThumbnailEncryptedFileInfo: EncryptedFileInfo? = null
-
-        ThumbnailExtractor.extractThumbnail(params.attachment)?.let { thumbnailData ->
-            val thumbnailProgressListener = object : ProgressRequestBody.Listener {
-                override fun onProgress(current: Long, total: Long) {
-                    notifyTracker(params) { contentUploadStateTracker.setProgressThumbnail(it, current, total) }
-                }
-            }
-
-            try {
-                val contentUploadResponse = if (params.isEncrypted) {
-                    Timber.v("Encrypt thumbnail")
-                    notifyTracker(params) { contentUploadStateTracker.setEncryptingThumbnail(it) }
-                    val encryptionResult = MXEncryptedAttachments.encryptAttachment(ByteArrayInputStream(thumbnailData.bytes), thumbnailData.mimeType)
-                    uploadedThumbnailEncryptedFileInfo = encryptionResult.encryptedFileInfo
-                    fileUploader.uploadByteArray(encryptionResult.encryptedByteArray,
-                            "thumb_${attachment.name}",
-                            "application/octet-stream",
-                            thumbnailProgressListener)
-                } else {
-                    fileUploader.uploadByteArray(thumbnailData.bytes,
-                            "thumb_${attachment.name}",
-                            thumbnailData.mimeType,
-                            thumbnailProgressListener)
-                }
-
-                uploadedThumbnailUrl = contentUploadResponse.contentUri
-            } catch (t: Throwable) {
-                Timber.e(t)
-                return handleFailure(params, t)
-            }
-        }
-
-        val progressListener = object : ProgressRequestBody.Listener {
-            override fun onProgress(current: Long, total: Long) {
-                notifyTracker(params) {
-                    if (isStopped) {
-                        contentUploadStateTracker.setFailure(it, Throwable("Cancelled"))
-                    } else {
-                        contentUploadStateTracker.setProgress(it, current, total)
-                    }
-                }
-            }
-        }
-
-        var uploadedFileEncryptedFileInfo: EncryptedFileInfo? = null
-
-        return try {
-            val contentUploadResponse = if (params.isEncrypted) {
-                Timber.v("Encrypt file")
-                notifyTracker(params) { contentUploadStateTracker.setEncrypting(it) }
-
-                val encryptionResult = MXEncryptedAttachments.encryptAttachment(FileInputStream(attachmentFile), attachment.getSafeMimeType())
-                uploadedFileEncryptedFileInfo = encryptionResult.encryptedFileInfo
-
-                fileUploader
-                        .uploadByteArray(encryptionResult.encryptedByteArray, attachment.name, "application/octet-stream", progressListener)
-            } else {
-                fileUploader
-                        .uploadFile(attachmentFile, attachment.name, attachment.getSafeMimeType(), progressListener)
-            }
-
-            handleSuccess(params,
-                    contentUploadResponse.contentUri,
-                    uploadedFileEncryptedFileInfo,
-                    uploadedThumbnailUrl,
-                    uploadedThumbnailEncryptedFileInfo,
-                    newImageAttributes)
-        } catch (t: Throwable) {
-            Timber.e(t)
-            handleFailure(params, t)
         }
     }
 

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/room/send/LocalEchoEventFactory.kt

@@ -16,6 +16,7 @@
 
 package im.vector.matrix.android.internal.session.room.send
 
+import android.content.Context
 import android.graphics.Bitmap
 import android.media.MediaMetadataRetriever
 import androidx.exifinterface.media.ExifInterface
@@ -74,6 +75,7 @@ import javax.inject.Inject
  * The transactionId is used as loc
  */
 internal class LocalEchoEventFactory @Inject constructor(
+        private val context: Context,
         @UserId private val userId: String,
         private val stringProvider: StringProvider,
         private val textPillsUtils: TextPillsUtils,
@@ -266,14 +268,14 @@ internal class LocalEchoEventFactory @Inject constructor(
                         height = height?.toInt() ?: 0,
                         size = attachment.size.toInt()
                 ),
-                url = attachment.path
+                url = attachment.queryUri.toString()
         )
         return createEvent(roomId, content)
     }
 
     private fun createVideoEvent(roomId: String, attachment: ContentAttachmentData): Event {
         val mediaDataRetriever = MediaMetadataRetriever()
-        mediaDataRetriever.setDataSource(attachment.path)
+        mediaDataRetriever.setDataSource(context, attachment.queryUri)
 
         // Use frame to calculate height and width as we are sure to get the right ones
         val firstFrame: Bitmap? = mediaDataRetriever.frameAtTime
@@ -281,7 +283,7 @@ internal class LocalEchoEventFactory @Inject constructor(
         val width = firstFrame?.width ?: 0
         mediaDataRetriever.release()
 
-        val thumbnailInfo = ThumbnailExtractor.extractThumbnail(attachment)?.let {
+        val thumbnailInfo = ThumbnailExtractor.extractThumbnail(context, attachment)?.let {
             ThumbnailInfo(
                     width = it.width,
                     height = it.height,
@@ -299,10 +301,10 @@ internal class LocalEchoEventFactory @Inject constructor(
                         size = attachment.size,
                         duration = attachment.duration?.toInt() ?: 0,
                         // Glide will be able to use the local path and extract a thumbnail.
-                        thumbnailUrl = attachment.path,
+                        thumbnailUrl = attachment.queryUri.toString(),
                         thumbnailInfo = thumbnailInfo
                 ),
-                url = attachment.path
+                url = attachment.queryUri.toString()
         )
         return createEvent(roomId, content)
     }
@@ -315,7 +317,7 @@ internal class LocalEchoEventFactory @Inject constructor(
                         mimeType = attachment.getSafeMimeType()?.takeIf { it.isNotBlank() } ?: "audio/mpeg",
                         size = attachment.size
                 ),
-                url = attachment.path
+                url = attachment.queryUri.toString()
         )
         return createEvent(roomId, content)
     }
@@ -329,7 +331,7 @@ internal class LocalEchoEventFactory @Inject constructor(
                                 ?: "application/octet-stream",
                         size = attachment.size
                 ),
-                url = attachment.path
+                url = attachment.queryUri.toString()
         )
         return createEvent(roomId, content)
     }

multipicker/.gitignore

@@ -0,0 +1 @@
+/build

multipicker/build.gradle

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+apply plugin: 'com.android.library'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 29
+
+    defaultConfig {
+        minSdkVersion 19
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles 'consumer-rules.pro'
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.2.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+    implementation 'androidx.exifinterface:exifinterface:1.3.0-alpha01'
+
+    // Log
+    implementation 'com.jakewharton.timber:timber:4.7.1'
+}

multipicker/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

multipicker/src/main/AndroidManifest.xml

@@ -0,0 +1,16 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="im.vector.riotx.multipicker">
+
+    <application>
+        <provider
+            android:name=".provider.MultiPickerFileProvider"
+            android:authorities="${applicationId}.multipicker.fileprovider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/multipicker_provider_paths" />
+        </provider>
+    </application>
+
+</manifest>

multipicker/src/main/java/im/vector/riotx/multipicker/AudioPicker.kt

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.media.MediaMetadataRetriever
+import android.provider.MediaStore
+import im.vector.riotx.multipicker.entity.MultiPickerAudioType
+
+/**
+ * Audio file picker implementation
+ */
+class AudioPicker(override val requestCode: Int) : Picker<MultiPickerAudioType>(requestCode) {
+
+    /**
+     * Call this function from onActivityResult(int, int, Intent).
+     * Returns selected audio files or empty list if request code is wrong
+     * or result code is not Activity.RESULT_OK
+     * or user did not select any files.
+     */
+    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerAudioType> {
+        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
+            return emptyList()
+        }
+
+        val audioList = mutableListOf<MultiPickerAudioType>()
+
+        getSelectedUriList(data).forEach { selectedUri ->
+            val projection = arrayOf(
+                    MediaStore.Audio.Media.DISPLAY_NAME,
+                    MediaStore.Audio.Media.SIZE
+            )
+
+            context.contentResolver.query(
+                    selectedUri,
+                    projection,
+                    null,
+                    null,
+                    null
+            )?.use { cursor ->
+                val nameColumn = cursor.getColumnIndex(MediaStore.Audio.Media.DISPLAY_NAME)
+                val sizeColumn = cursor.getColumnIndex(MediaStore.Audio.Media.SIZE)
+
+                if (cursor.moveToNext()) {
+                    val name = cursor.getString(nameColumn)
+                    val size = cursor.getLong(sizeColumn)
+                    var duration = 0L
+
+                    context.contentResolver.openFileDescriptor(selectedUri, "r")?.use { pfd ->
+                        val mediaMetadataRetriever = MediaMetadataRetriever()
+                        mediaMetadataRetriever.setDataSource(pfd.fileDescriptor)
+                        duration = mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION).toLong()
+                    }
+
+                    audioList.add(
+                            MultiPickerAudioType(
+                                    name,
+                                    size,
+                                    context.contentResolver.getType(selectedUri),
+                                    selectedUri,
+                                    duration
+                            )
+                    )
+                }
+            }
+        }
+        return audioList
+    }
+
+    override fun createIntent(): Intent {
+        return Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            putExtra(Intent.EXTRA_ALLOW_MULTIPLE, !single)
+            type = "audio/*"
+        }
+    }
+}

multipicker/src/main/java/im/vector/riotx/multipicker/CameraPicker.kt

@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.provider.MediaStore
+import androidx.core.content.FileProvider
+import androidx.fragment.app.Fragment
+import im.vector.riotx.multipicker.entity.MultiPickerImageType
+import im.vector.riotx.multipicker.utils.ImageUtils
+import java.io.File
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+
+/**
+ * Implementation of taking a photo with Camera
+ */
+class CameraPicker(val requestCode: Int) {
+
+    /**
+     * Start camera by using an Activity
+     * @param activity Activity to handle onActivityResult().
+     * @return Uri of taken photo or null if the operation is cancelled.
+     */
+    fun startWithExpectingFile(activity: Activity): Uri? {
+        val photoUri = createPhotoUri(activity)
+        val intent = createIntent().apply {
+            putExtra(MediaStore.EXTRA_OUTPUT, photoUri)
+        }
+        activity.startActivityForResult(intent, requestCode)
+        return photoUri
+    }
+
+    /**
+     * Start camera by using a Fragment
+     * @param fragment Fragment to handle onActivityResult().
+     * @return Uri of taken photo or null if the operation is cancelled.
+     */
+    fun startWithExpectingFile(fragment: Fragment): Uri? {
+        val photoUri = createPhotoUri(fragment.requireContext())
+        val intent = createIntent().apply {
+            putExtra(MediaStore.EXTRA_OUTPUT, photoUri)
+        }
+        fragment.startActivityForResult(intent, requestCode)
+        return photoUri
+    }
+
+    /**
+     * Call this function from onActivityResult(int, int, Intent).
+     * @return Taken photo or null if request code is wrong
+     * or result code is not Activity.RESULT_OK
+     * or user cancelled the operation.
+     */
+    fun getTakenPhoto(context: Context, requestCode: Int, resultCode: Int, photoUri: Uri): MultiPickerImageType? {
+        if (requestCode == this.requestCode && resultCode == Activity.RESULT_OK) {
+            val projection = arrayOf(
+                    MediaStore.Images.Media.DISPLAY_NAME,
+                    MediaStore.Images.Media.SIZE
+            )
+
+            context.contentResolver.query(
+                    photoUri,
+                    projection,
+                    null,
+                    null,
+                    null
+            )?.use { cursor ->
+                val nameColumn = cursor.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME)
+                val sizeColumn = cursor.getColumnIndex(MediaStore.Images.Media.SIZE)
+
+                if (cursor.moveToNext()) {
+                    val name = cursor.getString(nameColumn)
+                    val size = cursor.getLong(sizeColumn)
+
+                    val bitmap = ImageUtils.getBitmap(context, photoUri)
+                    val orientation = ImageUtils.getOrientation(context, photoUri)
+
+                    return MultiPickerImageType(
+                            name,
+                            size,
+                            context.contentResolver.getType(photoUri),
+                            photoUri,
+                            bitmap?.width ?: 0,
+                            bitmap?.height ?: 0,
+                            orientation
+                    )
+                }
+            }
+        }
+        return null
+    }
+
+    private fun createIntent(): Intent {
+        return Intent(MediaStore.ACTION_IMAGE_CAPTURE)
+    }
+
+    private fun createPhotoUri(context: Context): Uri {
+        val file = createImageFile(context)
+        val authority = context.packageName + ".multipicker.fileprovider"
+        return FileProvider.getUriForFile(context, authority, file)
+    }
+
+    private fun createImageFile(context: Context): File {
+        val timeStamp: String = SimpleDateFormat("yyyyMMdd_HHmmss", Locale.getDefault()).format(Date())
+        val storageDir: File = context.filesDir
+        return File.createTempFile(
+                "${timeStamp}_", /* prefix */
+                ".jpg", /* suffix */
+                storageDir /* directory */
+        )
+    }
+}

multipicker/src/main/java/im/vector/riotx/multipicker/ContactPicker.kt

@@ -0,0 +1,135 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker
+
+import android.app.Activity
+import android.content.ContentResolver
+import android.content.Context
+import android.content.Intent
+import android.provider.ContactsContract
+import im.vector.riotx.multipicker.entity.MultiPickerContactType
+
+/**
+ * Contact Picker implementation
+ */
+class ContactPicker(override val requestCode: Int) : Picker<MultiPickerContactType>(requestCode) {
+
+    /**
+     * Call this function from onActivityResult(int, int, Intent).
+     * Returns selected contact or empty list if request code is wrong
+     * or result code is not Activity.RESULT_OK
+     * or user did not select any files.
+     */
+    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerContactType> {
+        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
+            return emptyList()
+        }
+
+        val contactList = mutableListOf<MultiPickerContactType>()
+
+        data?.data?.let { selectedUri ->
+            val projection = arrayOf(
+                    ContactsContract.Contacts.DISPLAY_NAME,
+                    ContactsContract.Contacts.PHOTO_URI,
+                    ContactsContract.Contacts._ID
+            )
+
+            context.contentResolver.query(
+                    selectedUri,
+                    projection,
+                    null,
+                    null,
+                    null
+            )?.use { cursor ->
+                if (cursor.moveToFirst()) {
+                    val idColumn = cursor.getColumnIndex(ContactsContract.Contacts._ID)
+                    val nameColumn = cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME)
+                    val photoUriColumn = cursor.getColumnIndex(ContactsContract.Contacts.PHOTO_URI)
+
+                    val contactId = cursor.getInt(idColumn)
+                    var name = cursor.getString(nameColumn)
+                    var photoUri = cursor.getString(photoUriColumn)
+                    var phoneNumberList = mutableListOf<String>()
+                    var emailList = mutableListOf<String>()
+
+                    getRawContactId(context.contentResolver, contactId)?.let { rawContactId ->
+                        val selection = ContactsContract.Data.RAW_CONTACT_ID + " = ?"
+                        val selectionArgs = arrayOf(rawContactId.toString())
+
+                        context.contentResolver.query(
+                                ContactsContract.Data.CONTENT_URI,
+                                arrayOf(
+                                        ContactsContract.Data.MIMETYPE,
+                                        ContactsContract.Data.DATA1
+                                ),
+                                selection,
+                                selectionArgs,
+                                null
+                        )?.use { cursor ->
+                            while (cursor.moveToNext()) {
+                                val mimeType = cursor.getString(cursor.getColumnIndex(ContactsContract.Data.MIMETYPE))
+                                val contactData = cursor.getString(cursor.getColumnIndex(ContactsContract.Data.DATA1))
+
+                                if (mimeType == ContactsContract.CommonDataKinds.StructuredName.CONTENT_ITEM_TYPE) {
+                                    name = contactData
+                                }
+                                if (mimeType == ContactsContract.CommonDataKinds.Phone.CONTENT_ITEM_TYPE) {
+                                    phoneNumberList.add(contactData)
+                                }
+                                if (mimeType == ContactsContract.CommonDataKinds.Email.CONTENT_ITEM_TYPE) {
+                                    emailList.add(contactData)
+                                }
+                            }
+                        }
+                    }
+                    contactList.add(
+                            MultiPickerContactType(
+                                    name,
+                                    photoUri,
+                                    phoneNumberList,
+                                    emailList
+                            )
+                    )
+                }
+            }
+        }
+
+        return contactList
+    }
+
+    private fun getRawContactId(contentResolver: ContentResolver, contactId: Int): Int? {
+        val projection = arrayOf(ContactsContract.RawContacts._ID)
+        val selection = ContactsContract.RawContacts.CONTACT_ID + " = ?"
+        val selectionArgs = arrayOf(contactId.toString() + "")
+        return contentResolver.query(
+                ContactsContract.RawContacts.CONTENT_URI,
+                projection,
+                selection,
+                selectionArgs,
+                null
+        )?.use { cursor ->
+            return if (cursor.moveToFirst()) cursor.getInt(cursor.getColumnIndex(ContactsContract.RawContacts._ID)) else null
+        }
+    }
+
+    override fun createIntent(): Intent {
+        return Intent(Intent.ACTION_PICK).apply {
+            putExtra(Intent.EXTRA_ALLOW_MULTIPLE, !single)
+            type = ContactsContract.Contacts.CONTENT_TYPE
+        }
+    }
+}

multipicker/src/main/java/im/vector/riotx/multipicker/FilePicker.kt

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.provider.OpenableColumns
+import im.vector.riotx.multipicker.entity.MultiPickerFileType
+
+/**
+ * Implementation of selecting any type of files
+ */
+class FilePicker(override val requestCode: Int) : Picker<MultiPickerFileType>(requestCode) {
+
+    /**
+     * Call this function from onActivityResult(int, int, Intent).
+     * Returns selected files or empty list if request code is wrong
+     * or result code is not Activity.RESULT_OK
+     * or user did not select any files.
+     */
+    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerFileType> {
+        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
+            return emptyList()
+        }
+
+        val fileList = mutableListOf<MultiPickerFileType>()
+
+        getSelectedUriList(data).forEach { selectedUri ->
+            context.contentResolver.query(selectedUri, null, null, null, null)
+                    ?.use { cursor ->
+                        val nameColumn = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)
+                        val sizeColumn = cursor.getColumnIndex(OpenableColumns.SIZE)
+                        if (cursor.moveToFirst()) {
+                            val name = cursor.getString(nameColumn)
+                            val size = cursor.getLong(sizeColumn)
+
+                            fileList.add(
+                                    MultiPickerFileType(
+                                            name,
+                                            size,
+                                            context.contentResolver.getType(selectedUri),
+                                            selectedUri
+                                    )
+                            )
+                        }
+                    }
+        }
+        return fileList
+    }
+
+    override fun createIntent(): Intent {
+        return Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            putExtra(Intent.EXTRA_ALLOW_MULTIPLE, !single)
+            type = "*/*"
+        }
+    }
+}

multipicker/src/main/java/im/vector/riotx/multipicker/ImagePicker.kt

@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.provider.MediaStore
+import im.vector.riotx.multipicker.entity.MultiPickerImageType
+import im.vector.riotx.multipicker.utils.ImageUtils
+
+/**
+ * Image Picker implementation
+ */
+class ImagePicker(override val requestCode: Int) : Picker<MultiPickerImageType>(requestCode) {
+
+    /**
+     * Call this function from onActivityResult(int, int, Intent).
+     * Returns selected image files or empty list if request code is wrong
+     * or result code is not Activity.RESULT_OK
+     * or user did not select any files.
+     */
+    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerImageType> {
+        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
+            return emptyList()
+        }
+
+        val imageList = mutableListOf<MultiPickerImageType>()
+
+        getSelectedUriList(data).forEach { selectedUri ->
+            val projection = arrayOf(
+                    MediaStore.Images.Media.DISPLAY_NAME,
+                    MediaStore.Images.Media.SIZE
+            )
+
+            context.contentResolver.query(
+                    selectedUri,
+                    projection,
+                    null,
+                    null,
+                    null
+            )?.use { cursor ->
+                val nameColumn = cursor.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME)
+                val sizeColumn = cursor.getColumnIndex(MediaStore.Images.Media.SIZE)
+
+                if (cursor.moveToNext()) {
+                    val name = cursor.getString(nameColumn)
+                    val size = cursor.getLong(sizeColumn)
+
+                    val bitmap = ImageUtils.getBitmap(context, selectedUri)
+                    val orientation = ImageUtils.getOrientation(context, selectedUri)
+
+                    imageList.add(
+                            MultiPickerImageType(
+                                    name,
+                                    size,
+                                    context.contentResolver.getType(selectedUri),
+                                    selectedUri,
+                                    bitmap?.width ?: 0,
+                                    bitmap?.height ?: 0,
+                                    orientation
+                            )
+                    )
+                }
+            }
+        }
+        return imageList
+    }
+
+    override fun createIntent(): Intent {
+        return Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            putExtra(Intent.EXTRA_ALLOW_MULTIPLE, !single)
+            type = "image/*"
+        }
+    }
+}

multipicker/src/main/java/im/vector/riotx/multipicker/MultiPicker.kt

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker
+
+class MultiPicker<T> {
+
+    companion object Type {
+        val IMAGE by lazy { MultiPicker<ImagePicker>() }
+        val FILE by lazy { MultiPicker<FilePicker>() }
+        val VIDEO by lazy { MultiPicker<VideoPicker>() }
+        val AUDIO by lazy { MultiPicker<AudioPicker>() }
+        val CONTACT by lazy { MultiPicker<ContactPicker>() }
+        val CAMERA by lazy { MultiPicker<CameraPicker>() }
+
+        const val REQUEST_CODE_PICK_IMAGE = 5000
+        const val REQUEST_CODE_PICK_VIDEO = 5001
+        const val REQUEST_CODE_PICK_FILE = 5002
+        const val REQUEST_CODE_PICK_AUDIO = 5003
+        const val REQUEST_CODE_PICK_CONTACT = 5004
+        const val REQUEST_CODE_TAKE_PHOTO = 5005
+
+        @Suppress("UNCHECKED_CAST")
+        fun <T> get(type: MultiPicker<T>): T {
+            return when (type) {
+                IMAGE -> ImagePicker(REQUEST_CODE_PICK_IMAGE) as T
+                VIDEO -> VideoPicker(REQUEST_CODE_PICK_VIDEO) as T
+                FILE  -> FilePicker(REQUEST_CODE_PICK_FILE) as T
+                AUDIO  -> AudioPicker(REQUEST_CODE_PICK_AUDIO) as T
+                CONTACT  -> ContactPicker(REQUEST_CODE_PICK_CONTACT) as T
+                CAMERA  -> CameraPicker(REQUEST_CODE_TAKE_PHOTO) as T
+                else  -> throw IllegalArgumentException("Unsupported type $type")
+            }
+        }
+    }
+}

multipicker/src/main/java/im/vector/riotx/multipicker/Picker.kt

@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.content.pm.PackageManager
+import android.content.pm.ResolveInfo
+import android.net.Uri
+import androidx.fragment.app.Fragment
+
+/**
+ * Abstract class to provide all types of Pickers
+ */
+abstract class Picker<T>(open val requestCode: Int) {
+
+    protected var single = false
+
+    /**
+     * Call this function from onActivityResult(int, int, Intent).
+     * @return selected files or empty list if request code is wrong
+     * or result code is not Activity.RESULT_OK
+     * or user did not select any files.
+     */
+    abstract fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<T>
+
+    /**
+     * Use this function to retrieve files which are shared from another application or internally
+     * by using android.intent.action.SEND or android.intent.action.SEND_MULTIPLE actions.
+     */
+    fun getIncomingFiles(context: Context, data: Intent?): List<T> {
+        if (data == null) return emptyList()
+
+        val uriList = mutableListOf<Uri>()
+        if (data.action == Intent.ACTION_SEND) {
+            (data.getParcelableExtra(Intent.EXTRA_STREAM) as? Uri)?.let { uriList.add(it) }
+        } else if (data.action == Intent.ACTION_SEND_MULTIPLE) {
+            val extraUriList: List<Uri>? = data.getParcelableArrayListExtra(Intent.EXTRA_STREAM)
+            extraUriList?.let { uriList.addAll(it) }
+        }
+
+        val resInfoList: List<ResolveInfo> = context.packageManager.queryIntentActivities(data, PackageManager.MATCH_DEFAULT_ONLY)
+        uriList.forEach {
+            for (resolveInfo in resInfoList) {
+                val packageName: String = resolveInfo.activityInfo.packageName
+                context.grantUriPermission(packageName, it, Intent.FLAG_GRANT_READ_URI_PERMISSION)
+            }
+        }
+        return getSelectedFiles(context, requestCode, Activity.RESULT_OK, data)
+    }
+
+    /**
+     * Call this function to disable multiple selection of files.
+     */
+    fun single(): Picker<T> {
+        single = true
+        return this
+    }
+
+    abstract fun createIntent(): Intent
+
+    /**
+     * Start Storage Access Framework UI by using an Activity.
+     * @param activity Activity to handle onActivityResult().
+     */
+    fun startWith(activity: Activity) {
+        activity.startActivityForResult(createIntent().apply { addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION) }, requestCode)
+    }
+
+    /**
+     * Start Storage Access Framework UI by using a Fragment.
+     * @param fragment Fragment to handle onActivityResult().
+     */
+    fun startWith(fragment: Fragment) {
+        fragment.startActivityForResult(createIntent().apply { addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION) }, requestCode)
+    }
+
+    protected fun getSelectedUriList(data: Intent?): List<Uri> {
+        val selectedUriList = mutableListOf<Uri>()
+        val dataUri = data?.data
+        val clipData = data?.clipData
+
+        if (clipData != null) {
+            for (i in 0 until clipData.itemCount) {
+                selectedUriList.add(clipData.getItemAt(i).uri)
+            }
+        } else if (dataUri != null) {
+            selectedUriList.add(dataUri)
+        } else {
+            data?.extras?.get(Intent.EXTRA_STREAM)?.let {
+                (it as? List<*>)?.filterIsInstance<Uri>()?.let { uriList ->
+                    selectedUriList.addAll(uriList)
+                }
+                if (it is Uri) {
+                    selectedUriList.add(it)
+                }
+            }
+        }
+        return selectedUriList
+    }
+}

multipicker/src/main/java/im/vector/riotx/multipicker/VideoPicker.kt

@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker
+
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.media.MediaMetadataRetriever
+import android.provider.MediaStore
+import im.vector.riotx.multipicker.entity.MultiPickerVideoType
+
+/**
+ * Video Picker implementation
+ */
+class VideoPicker(override val requestCode: Int) : Picker<MultiPickerVideoType>(requestCode) {
+
+    /**
+     * Call this function from onActivityResult(int, int, Intent).
+     * Returns selected video files or empty list if request code is wrong
+     * or result code is not Activity.RESULT_OK
+     * or user did not select any files.
+     */
+    override fun getSelectedFiles(context: Context, requestCode: Int, resultCode: Int, data: Intent?): List<MultiPickerVideoType> {
+        if (requestCode != this.requestCode && resultCode != Activity.RESULT_OK) {
+            return emptyList()
+        }
+
+        val videoList = mutableListOf<MultiPickerVideoType>()
+
+        getSelectedUriList(data).forEach { selectedUri ->
+            val projection = arrayOf(
+                    MediaStore.Video.Media.DISPLAY_NAME,
+                    MediaStore.Video.Media.SIZE
+            )
+
+            context.contentResolver.query(
+                    selectedUri,
+                    projection,
+                    null,
+                    null,
+                    null
+            )?.use { cursor ->
+                val nameColumn = cursor.getColumnIndex(MediaStore.Video.Media.DISPLAY_NAME)
+                val sizeColumn = cursor.getColumnIndex(MediaStore.Video.Media.SIZE)
+
+                if (cursor.moveToNext()) {
+                    val name = cursor.getString(nameColumn)
+                    val size = cursor.getLong(sizeColumn)
+                    var duration = 0L
+                    var width = 0
+                    var height = 0
+                    var orientation = 0
+
+                    context.contentResolver.openFileDescriptor(selectedUri, "r")?.use { pfd ->
+                        val mediaMetadataRetriever = MediaMetadataRetriever()
+                        mediaMetadataRetriever.setDataSource(pfd.fileDescriptor)
+                        duration = mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION).toLong()
+                        width = mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH).toInt()
+                        height = mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT).toInt()
+                        orientation = mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION).toInt()
+                    }
+
+                    videoList.add(
+                            MultiPickerVideoType(
+                                    name,
+                                    size,
+                                    context.contentResolver.getType(selectedUri),
+                                    selectedUri,
+                                    width,
+                                    height,
+                                    orientation,
+                                    duration
+                            )
+                    )
+                }
+            }
+        }
+        return videoList
+    }
+
+    override fun createIntent(): Intent {
+        return Intent(Intent.ACTION_OPEN_DOCUMENT).apply {
+            addCategory(Intent.CATEGORY_OPENABLE)
+            putExtra(Intent.EXTRA_ALLOW_MULTIPLE, !single)
+            type = "video/*"
+        }
+    }
+}

multipicker/src/main/java/im/vector/riotx/multipicker/entity/MultiPickerAudioType.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker.entity
+
+import android.net.Uri
+
+data class MultiPickerAudioType(
+        override val displayName: String?,
+        override val size: Long,
+        override val mimeType: String?,
+        override val contentUri: Uri,
+        val duration: Long
+) : MultiPickerBaseType

multipicker/src/main/java/im/vector/riotx/multipicker/entity/MultiPickerBaseType.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker.entity
+
+import android.net.Uri
+
+interface MultiPickerBaseType {
+    val displayName: String?
+    val size: Long
+    val mimeType: String?
+    val contentUri: Uri
+}

multipicker/src/main/java/im/vector/riotx/multipicker/entity/MultiPickerContactType.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker.entity
+
+data class MultiPickerContactType(
+        val displayName: String,
+        val photoUri: String?,
+        val phoneNumberList: List<String>,
+        val emailList: List<String>
+)

multipicker/src/main/java/im/vector/riotx/multipicker/entity/MultiPickerFileType.kt

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker.entity
+
+import android.net.Uri
+
+data class MultiPickerFileType(
+        override val displayName: String?,
+        override val size: Long,
+        override val mimeType: String?,
+        override val contentUri: Uri
+) : MultiPickerBaseType

multipicker/src/main/java/im/vector/riotx/multipicker/entity/MultiPickerImageType.kt

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker.entity
+
+import android.net.Uri
+
+data class MultiPickerImageType(
+        override val displayName: String?,
+        override val size: Long,
+        override val mimeType: String?,
+        override val contentUri: Uri,
+        val width: Int,
+        val height: Int,
+        val orientation: Int
+) : MultiPickerBaseType

multipicker/src/main/java/im/vector/riotx/multipicker/entity/MultiPickerVideoType.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker.entity
+
+import android.net.Uri
+
+data class MultiPickerVideoType(
+        override val displayName: String?,
+        override val size: Long,
+        override val mimeType: String?,
+        override val contentUri: Uri,
+        val width: Int,
+        val height: Int,
+        val orientation: Int,
+        val duration: Long
+) : MultiPickerBaseType

multipicker/src/main/java/im/vector/riotx/multipicker/provider/MultiPickerFileProvider.kt

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker.provider
+
+import androidx.core.content.FileProvider
+
+class MultiPickerFileProvider : FileProvider()

multipicker/src/main/java/im/vector/riotx/multipicker/utils/ImageUtils.kt

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.multipicker.utils
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.BitmapFactory
+import android.graphics.ImageDecoder
+import android.net.Uri
+import android.os.Build
+import androidx.exifinterface.media.ExifInterface
+import timber.log.Timber
+
+object ImageUtils {
+
+    fun getBitmap(context: Context, uri: Uri): Bitmap? {
+        return try {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+                ImageDecoder.decodeBitmap(ImageDecoder.createSource(context.contentResolver, uri))
+            } else {
+                context.contentResolver.openInputStream(uri)?.use { inputStream ->
+                    BitmapFactory.decodeStream(inputStream)
+                }
+            }
+        } catch (e: Exception) {
+            Timber.e(e, "Cannot decode Bitmap: %s", uri.toString())
+            null
+        }
+    }
+
+    fun getOrientation(context: Context, uri: Uri): Int {
+        var orientation = 0
+        context.contentResolver.openInputStream(uri)?.use { inputStream ->
+            try {
+                ExifInterface(inputStream).let {
+                    orientation = it.rotationDegrees
+                }
+            } catch (e: Exception) {
+                Timber.e(e, "Cannot read orientation: %s", uri.toString())
+            }
+        }
+        return orientation
+    }
+}

multipicker/src/main/res/xml/multipicker_provider_paths.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <files-path
+        name="external_files"
+        path="." />
+</paths>

settings.gradle

@@ -1 +1,2 @@
 include ':vector', ':matrix-sdk-android', ':matrix-sdk-android-rx', ':diff-match-patch'
+include ':multipicker'

vector/build.gradle

@@ -254,6 +254,7 @@ dependencies {
     implementation project(":matrix-sdk-android")
     implementation project(":matrix-sdk-android-rx")
     implementation project(":diff-match-patch")
+    implementation project(":multipicker")
     implementation 'com.android.support:multidex:1.0.3'
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
@@ -347,9 +348,6 @@ dependencies {
     // Badge for compatibility
     implementation 'me.leolin:ShortcutBadger:1.1.22@aar'
 
-    // File picker
-    implementation 'com.kbeanie:multipicker:1.6@aar'
-
     // DI
     implementation "com.google.dagger:dagger:$daggerVersion"
     kapt "com.google.dagger:dagger-compiler:$daggerVersion"

vector/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
     <!-- Adding CAMERA permission prevents Chromebooks to see the application on the PlayStore -->
     <!-- Tell that the Camera is not mandatory to install the application -->

vector/src/main/java/im/vector/riotx/features/attachments/AttachmentsHelper.kt

@@ -18,20 +18,13 @@ package im.vector.riotx.features.attachments
 import android.app.Activity
 import android.content.Context
 import android.content.Intent
+import android.net.Uri
 import android.os.Bundle
 import androidx.fragment.app.Fragment
-import com.kbeanie.multipicker.api.Picker.PICK_AUDIO
-import com.kbeanie.multipicker.api.Picker.PICK_CONTACT
-import com.kbeanie.multipicker.api.Picker.PICK_FILE
-import com.kbeanie.multipicker.api.Picker.PICK_IMAGE_CAMERA
-import com.kbeanie.multipicker.api.Picker.PICK_IMAGE_DEVICE
-import com.kbeanie.multipicker.core.ImagePickerImpl
-import com.kbeanie.multipicker.core.PickerManager
-import com.kbeanie.multipicker.utils.IntentUtils
 import im.vector.matrix.android.BuildConfig
 import im.vector.matrix.android.api.session.content.ContentAttachmentData
 import im.vector.riotx.core.platform.Restorable
-import im.vector.riotx.features.attachments.AttachmentsHelper.Callback
+import im.vector.riotx.multipicker.MultiPicker
 import timber.log.Timber
 
 private const val CAPTURE_PATH_KEY = "CAPTURE_PATH_KEY"
@@ -39,20 +32,8 @@ private const val PENDING_TYPE_KEY = "PENDING_TYPE_KEY"
 
 /**
  * This class helps to handle attachments by providing simple methods.
- * The process is asynchronous and you must implement [Callback] methods to get the data or a failure.
  */
-class AttachmentsHelper private constructor(private val context: Context,
-                                            private val pickerManagerFactory: PickerManagerFactory) : Restorable {
-
-    companion object {
-        fun create(fragment: Fragment, callback: Callback): AttachmentsHelper {
-            return AttachmentsHelper(fragment.requireContext(), FragmentPickerManagerFactory(fragment, callback))
-        }
-
-        fun create(activity: Activity, callback: Callback): AttachmentsHelper {
-            return AttachmentsHelper(activity, ActivityPickerManagerFactory(activity, callback))
-        }
-    }
+class AttachmentsHelper(val context: Context, val callback: Callback) : Restorable {
 
     interface Callback {
         fun onContactAttachmentReady(contactAttachment: ContactAttachment) {
@@ -66,39 +47,15 @@ class AttachmentsHelper private constructor(private val context: Context,
     }
 
     // Capture path allows to handle camera image picking. It must be restored if the activity gets killed.
-    private var capturePath: String? = null
+    private var captureUri: Uri? = null
     // The pending type is set if we have to handle permission request. It must be restored if the activity gets killed.
     var pendingType: AttachmentTypeSelectorView.Type? = null
 
-    private val imagePicker by lazy {
-        pickerManagerFactory.createImagePicker()
-    }
-
-    private val videoPicker by lazy {
-        pickerManagerFactory.createVideoPicker()
-    }
-
-    private val cameraImagePicker by lazy {
-        pickerManagerFactory.createCameraImagePicker()
-    }
-
-    private val filePicker by lazy {
-        pickerManagerFactory.createFilePicker()
-    }
-
-    private val audioPicker by lazy {
-        pickerManagerFactory.createAudioPicker()
-    }
-
-    private val contactPicker by lazy {
-        pickerManagerFactory.createContactPicker()
-    }
-
     // Restorable
 
     override fun onSaveInstanceState(outState: Bundle) {
-        capturePath?.also {
-            outState.putString(CAPTURE_PATH_KEY, it)
+        captureUri?.also {
+            outState.putParcelable(CAPTURE_PATH_KEY, it)
         }
         pendingType?.also {
             outState.putSerializable(PENDING_TYPE_KEY, it)
@@ -106,10 +63,7 @@ class AttachmentsHelper private constructor(private val context: Context,
     }
 
     override fun onRestoreInstanceState(savedInstanceState: Bundle?) {
-        capturePath = savedInstanceState?.getString(CAPTURE_PATH_KEY)
-        if (capturePath != null) {
-            cameraImagePicker.reinitialize(capturePath)
-        }
+        captureUri = savedInstanceState?.getParcelable(CAPTURE_PATH_KEY) as? Uri
         pendingType = savedInstanceState?.getSerializable(PENDING_TYPE_KEY) as? AttachmentTypeSelectorView.Type
     }
 
@@ -118,36 +72,36 @@ class AttachmentsHelper private constructor(private val context: Context,
     /**
      * Starts the process for handling file picking
      */
-    fun selectFile() {
-        filePicker.pickFile()
+    fun selectFile(fragment: Fragment) {
+        MultiPicker.get(MultiPicker.FILE).startWith(fragment)
     }
 
     /**
      * Starts the process for handling image picking
      */
-    fun selectGallery() {
-        imagePicker.pickImage()
+    fun selectGallery(fragment: Fragment) {
+        MultiPicker.get(MultiPicker.IMAGE).startWith(fragment)
     }
 
     /**
      * Starts the process for handling audio picking
      */
-    fun selectAudio() {
-        audioPicker.pickAudio()
+    fun selectAudio(fragment: Fragment) {
+        MultiPicker.get(MultiPicker.AUDIO).startWith(fragment)
     }
 
     /**
      * Starts the process for handling capture image picking
      */
-    fun openCamera() {
-        capturePath = cameraImagePicker.pickImage()
+    fun openCamera(fragment: Fragment) {
+        captureUri = MultiPicker.get(MultiPicker.CAMERA).startWithExpectingFile(fragment)
     }
 
     /**
      * Starts the process for handling contact picking
      */
-    fun selectContact() {
-        contactPicker.pickContact()
+    fun selectContact(fragment: Fragment) {
+        MultiPicker.get(MultiPicker.CONTACT).startWith(fragment)
     }
 
     /**
@@ -157,14 +111,58 @@ class AttachmentsHelper private constructor(private val context: Context,
      */
     fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?): Boolean {
         if (resultCode == Activity.RESULT_OK) {
-            val pickerManager = getPickerManagerForRequestCode(requestCode)
-            if (pickerManager != null) {
-                if (pickerManager is ImagePickerImpl) {
-                    pickerManager.reinitialize(capturePath)
+            when (requestCode) {
+                MultiPicker.REQUEST_CODE_PICK_FILE    -> {
+                    callback.onContentAttachmentsReady(
+                            MultiPicker.get(MultiPicker.FILE)
+                                    .getSelectedFiles(context, requestCode, resultCode, data)
+                                    .map { it.toContentAttachmentData() }
+                    )
                 }
-                pickerManager.submit(data)
-                return true
+                MultiPicker.REQUEST_CODE_PICK_AUDIO   -> {
+                    callback.onContentAttachmentsReady(
+                            MultiPicker.get(MultiPicker.AUDIO)
+                                    .getSelectedFiles(context, requestCode, resultCode, data)
+                                    .map { it.toContentAttachmentData() }
+                    )
+                }
+                MultiPicker.REQUEST_CODE_PICK_CONTACT -> {
+                    MultiPicker.get(MultiPicker.CONTACT)
+                            .getSelectedFiles(context, requestCode, resultCode, data)
+                            .firstOrNull()
+                            ?.toContactAttachment()
+                            ?.let {
+                                callback.onContactAttachmentReady(it)
+                            }
+                }
+                MultiPicker.REQUEST_CODE_PICK_IMAGE   -> {
+                    callback.onContentAttachmentsReady(
+                            MultiPicker.get(MultiPicker.IMAGE)
+                                    .getSelectedFiles(context, requestCode, resultCode, data)
+                                    .map { it.toContentAttachmentData() }
+                    )
+                }
+                MultiPicker.REQUEST_CODE_TAKE_PHOTO   -> {
+                    captureUri?.let { captureUri ->
+                        MultiPicker.get(MultiPicker.CAMERA)
+                                .getTakenPhoto(context, requestCode, resultCode, captureUri)
+                                ?.let {
+                                    callback.onContentAttachmentsReady(
+                                            listOf(it).map { it.toContentAttachmentData() }
+                                    )
+                                }
+                    }
+                }
+                MultiPicker.REQUEST_CODE_PICK_VIDEO   -> {
+                    callback.onContentAttachmentsReady(
+                            MultiPicker.get(MultiPicker.VIDEO)
+                                    .getSelectedFiles(context, requestCode, resultCode, data)
+                                    .map { it.toContentAttachmentData() }
+                    )
+                }
+                else                                  -> return false
             }
+            return true
         }
         return false
     }
@@ -174,39 +172,35 @@ class AttachmentsHelper private constructor(private val context: Context,
      *
      * @return true if it can handle the intent data, false otherwise
      */
-    fun handleShareIntent(intent: Intent): Boolean {
+    fun handleShareIntent(context: Context, intent: Intent): Boolean {
         val type = intent.resolveType(context) ?: return false
         if (type.startsWith("image")) {
-            imagePicker.submit(safeShareIntent(intent))
+            callback.onContentAttachmentsReady(
+                    MultiPicker.get(MultiPicker.IMAGE).getIncomingFiles(context, intent).map {
+                        it.toContentAttachmentData()
+                    }
+            )
         } else if (type.startsWith("video")) {
-            videoPicker.submit(safeShareIntent(intent))
+            callback.onContentAttachmentsReady(
+                    MultiPicker.get(MultiPicker.VIDEO).getIncomingFiles(context, intent).map {
+                        it.toContentAttachmentData()
+                    }
+            )
         } else if (type.startsWith("audio")) {
-            videoPicker.submit(safeShareIntent(intent))
+            callback.onContentAttachmentsReady(
+                    MultiPicker.get(MultiPicker.AUDIO).getIncomingFiles(context, intent).map {
+                        it.toContentAttachmentData()
+                    }
+            )
         } else if (type.startsWith("application") || type.startsWith("file") || type.startsWith("*")) {
-            filePicker.submit(safeShareIntent(intent))
+            callback.onContentAttachmentsReady(
+                    MultiPicker.get(MultiPicker.FILE).getIncomingFiles(context, intent).map {
+                        it.toContentAttachmentData()
+                    }
+            )
         } else {
             return false
         }
         return true
     }
-
-    private fun safeShareIntent(intent: Intent): Intent {
-        // Work around for getPickerIntentForSharing doing NPE in android 10
-        return try {
-            IntentUtils.getPickerIntentForSharing(intent)
-        } catch (failure: Throwable) {
-            intent
-        }
-    }
-
-    private fun getPickerManagerForRequestCode(requestCode: Int): PickerManager? {
-        return when (requestCode) {
-            PICK_IMAGE_DEVICE -> imagePicker
-            PICK_IMAGE_CAMERA -> cameraImagePicker
-            PICK_FILE         -> filePicker
-            PICK_CONTACT      -> contactPicker
-            PICK_AUDIO        -> audioPicker
-            else              -> null
-        }
-    }
 }

vector/src/main/java/im/vector/riotx/features/attachments/AttachmentsMapper.kt

@@ -16,51 +16,48 @@
 
 package im.vector.riotx.features.attachments
 
-import com.kbeanie.multipicker.api.entity.ChosenAudio
-import com.kbeanie.multipicker.api.entity.ChosenContact
-import com.kbeanie.multipicker.api.entity.ChosenFile
-import com.kbeanie.multipicker.api.entity.ChosenImage
-import com.kbeanie.multipicker.api.entity.ChosenVideo
 import im.vector.matrix.android.api.session.content.ContentAttachmentData
+import im.vector.riotx.multipicker.entity.MultiPickerAudioType
+import im.vector.riotx.multipicker.entity.MultiPickerBaseType
+import im.vector.riotx.multipicker.entity.MultiPickerContactType
+import im.vector.riotx.multipicker.entity.MultiPickerFileType
+import im.vector.riotx.multipicker.entity.MultiPickerImageType
+import im.vector.riotx.multipicker.entity.MultiPickerVideoType
 import timber.log.Timber
 
-fun ChosenContact.toContactAttachment(): ContactAttachment {
+fun MultiPickerContactType.toContactAttachment(): ContactAttachment {
     return ContactAttachment(
             displayName = displayName,
             photoUri = photoUri,
-            emails = emails.toList(),
-            phones = phones.toList()
+            emails = emailList.toList(),
+            phones = phoneNumberList.toList()
     )
 }
 
-fun ChosenFile.toContentAttachmentData(): ContentAttachmentData {
+fun MultiPickerFileType.toContentAttachmentData(): ContentAttachmentData {
     if (mimeType == null) Timber.w("No mimeType")
     return ContentAttachmentData(
-            path = originalPath,
             mimeType = mimeType,
             type = mapType(),
             size = size,
-            date = createdAt?.time ?: System.currentTimeMillis(),
             name = displayName,
-            queryUri = queryUri
+            queryUri = contentUri
     )
 }
 
-fun ChosenAudio.toContentAttachmentData(): ContentAttachmentData {
+fun MultiPickerAudioType.toContentAttachmentData(): ContentAttachmentData {
     if (mimeType == null) Timber.w("No mimeType")
     return ContentAttachmentData(
-            path = originalPath,
             mimeType = mimeType,
             type = mapType(),
             size = size,
-            date = createdAt?.time ?: System.currentTimeMillis(),
             name = displayName,
             duration = duration,
-            queryUri = queryUri
+            queryUri = contentUri
     )
 }
 
-private fun ChosenFile.mapType(): ContentAttachmentData.Type {
+private fun MultiPickerBaseType.mapType(): ContentAttachmentData.Type {
     return when {
         mimeType?.startsWith("image/") == true -> ContentAttachmentData.Type.IMAGE
         mimeType?.startsWith("video/") == true -> ContentAttachmentData.Type.VIDEO
@@ -69,10 +66,9 @@ private fun ChosenFile.mapType(): ContentAttachmentData.Type {
     }
 }
 
-fun ChosenImage.toContentAttachmentData(): ContentAttachmentData {
+fun MultiPickerImageType.toContentAttachmentData(): ContentAttachmentData {
     if (mimeType == null) Timber.w("No mimeType")
     return ContentAttachmentData(
-            path = originalPath,
             mimeType = mimeType,
             type = mapType(),
             name = displayName,
@@ -80,23 +76,20 @@ fun ChosenImage.toContentAttachmentData(): ContentAttachmentData {
             height = height.toLong(),
             width = width.toLong(),
             exifOrientation = orientation,
-            date = createdAt?.time ?: System.currentTimeMillis(),
-            queryUri = queryUri
+            queryUri = contentUri
     )
 }
 
-fun ChosenVideo.toContentAttachmentData(): ContentAttachmentData {
+fun MultiPickerVideoType.toContentAttachmentData(): ContentAttachmentData {
     if (mimeType == null) Timber.w("No mimeType")
     return ContentAttachmentData(
-            path = originalPath,
             mimeType = mimeType,
             type = ContentAttachmentData.Type.VIDEO,
             size = size,
-            date = createdAt?.time ?: System.currentTimeMillis(),
             height = height.toLong(),
             width = width.toLong(),
             duration = duration,
             name = displayName,
-            queryUri = queryUri
+            queryUri = contentUri
     )
 }

vector/src/main/java/im/vector/riotx/features/attachments/AttachmentsPickerCallback.kt

@@ -1,96 +0,0 @@
-/*
- * Copyright 2019 New Vector Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package im.vector.riotx.features.attachments
-
-import com.kbeanie.multipicker.api.callbacks.AudioPickerCallback
-import com.kbeanie.multipicker.api.callbacks.ContactPickerCallback
-import com.kbeanie.multipicker.api.callbacks.FilePickerCallback
-import com.kbeanie.multipicker.api.callbacks.ImagePickerCallback
-import com.kbeanie.multipicker.api.callbacks.VideoPickerCallback
-import com.kbeanie.multipicker.api.entity.ChosenAudio
-import com.kbeanie.multipicker.api.entity.ChosenContact
-import com.kbeanie.multipicker.api.entity.ChosenFile
-import com.kbeanie.multipicker.api.entity.ChosenImage
-import com.kbeanie.multipicker.api.entity.ChosenVideo
-
-/**
- * This class delegates the PickerManager callbacks to an [AttachmentsHelper.Callback]
- */
-class AttachmentsPickerCallback(private val callback: AttachmentsHelper.Callback)
-    : ImagePickerCallback,
-        FilePickerCallback,
-        VideoPickerCallback,
-        AudioPickerCallback,
-        ContactPickerCallback {
-
-    override fun onContactChosen(contact: ChosenContact?) {
-        if (contact == null) {
-            callback.onAttachmentsProcessFailed()
-        } else {
-            val contactAttachment = contact.toContactAttachment()
-            callback.onContactAttachmentReady(contactAttachment)
-        }
-    }
-
-    override fun onAudiosChosen(audios: MutableList<ChosenAudio>?) {
-        if (audios.isNullOrEmpty()) {
-            callback.onAttachmentsProcessFailed()
-        } else {
-            val attachments = audios.map {
-                it.toContentAttachmentData()
-            }
-            callback.onContentAttachmentsReady(attachments)
-        }
-    }
-
-    override fun onFilesChosen(files: MutableList<ChosenFile>?) {
-        if (files.isNullOrEmpty()) {
-            callback.onAttachmentsProcessFailed()
-        } else {
-            val attachments = files.map {
-                it.toContentAttachmentData()
-            }
-            callback.onContentAttachmentsReady(attachments)
-        }
-    }
-
-    override fun onImagesChosen(images: MutableList<ChosenImage>?) {
-        if (images.isNullOrEmpty()) {
-            callback.onAttachmentsProcessFailed()
-        } else {
-            val attachments = images.map {
-                it.toContentAttachmentData()
-            }
-            callback.onContentAttachmentsReady(attachments)
-        }
-    }
-
-    override fun onVideosChosen(videos: MutableList<ChosenVideo>?) {
-        if (videos.isNullOrEmpty()) {
-            callback.onAttachmentsProcessFailed()
-        } else {
-            val attachments = videos.map {
-                it.toContentAttachmentData()
-            }
-            callback.onContentAttachmentsReady(attachments)
-        }
-    }
-
-    override fun onError(error: String?) {
-        callback.onAttachmentsProcessFailed()
-    }
-}

vector/src/main/java/im/vector/riotx/features/attachments/PickerManagerFactory.kt

@@ -1,134 +0,0 @@
-/*
- * Copyright 2019 New Vector Ltd
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package im.vector.riotx.features.attachments
-
-import android.app.Activity
-import androidx.fragment.app.Fragment
-import com.kbeanie.multipicker.api.AudioPicker
-import com.kbeanie.multipicker.api.CameraImagePicker
-import com.kbeanie.multipicker.api.ContactPicker
-import com.kbeanie.multipicker.api.FilePicker
-import com.kbeanie.multipicker.api.ImagePicker
-import com.kbeanie.multipicker.api.VideoPicker
-
-/**
- * Factory for creating different pickers. It allows to use with fragment or activity builders.
- */
-interface PickerManagerFactory {
-
-    fun createImagePicker(): ImagePicker
-
-    fun createCameraImagePicker(): CameraImagePicker
-
-    fun createVideoPicker(): VideoPicker
-
-    fun createFilePicker(): FilePicker
-
-    fun createAudioPicker(): AudioPicker
-
-    fun createContactPicker(): ContactPicker
-}
-
-class ActivityPickerManagerFactory(private val activity: Activity, callback: AttachmentsHelper.Callback) : PickerManagerFactory {
-
-    private val attachmentsPickerCallback = AttachmentsPickerCallback(callback)
-
-    override fun createImagePicker(): ImagePicker {
-        return ImagePicker(activity).also {
-            it.setImagePickerCallback(attachmentsPickerCallback)
-            it.allowMultiple()
-        }
-    }
-
-    override fun createCameraImagePicker(): CameraImagePicker {
-        return CameraImagePicker(activity).also {
-            it.setImagePickerCallback(attachmentsPickerCallback)
-        }
-    }
-
-    override fun createVideoPicker(): VideoPicker {
-        return VideoPicker(activity).also {
-            it.setVideoPickerCallback(attachmentsPickerCallback)
-            it.allowMultiple()
-        }
-    }
-
-    override fun createFilePicker(): FilePicker {
-        return FilePicker(activity).also {
-            it.allowMultiple()
-            it.setFilePickerCallback(attachmentsPickerCallback)
-        }
-    }
-
-    override fun createAudioPicker(): AudioPicker {
-        return AudioPicker(activity).also {
-            it.allowMultiple()
-            it.setAudioPickerCallback(attachmentsPickerCallback)
-        }
-    }
-
-    override fun createContactPicker(): ContactPicker {
-        return ContactPicker(activity).also {
-            it.setContactPickerCallback(attachmentsPickerCallback)
-        }
-    }
-}
-
-class FragmentPickerManagerFactory(private val fragment: Fragment, callback: AttachmentsHelper.Callback) : PickerManagerFactory {
-
-    private val attachmentsPickerCallback = AttachmentsPickerCallback(callback)
-
-    override fun createImagePicker(): ImagePicker {
-        return ImagePicker(fragment).also {
-            it.setImagePickerCallback(attachmentsPickerCallback)
-            it.allowMultiple()
-        }
-    }
-
-    override fun createCameraImagePicker(): CameraImagePicker {
-        return CameraImagePicker(fragment).also {
-            it.setImagePickerCallback(attachmentsPickerCallback)
-        }
-    }
-
-    override fun createVideoPicker(): VideoPicker {
-        return VideoPicker(fragment).also {
-            it.setVideoPickerCallback(attachmentsPickerCallback)
-            it.allowMultiple()
-        }
-    }
-
-    override fun createFilePicker(): FilePicker {
-        return FilePicker(fragment).also {
-            it.allowMultiple()
-            it.setFilePickerCallback(attachmentsPickerCallback)
-        }
-    }
-
-    override fun createAudioPicker(): AudioPicker {
-        return AudioPicker(fragment).also {
-            it.allowMultiple()
-            it.setAudioPickerCallback(attachmentsPickerCallback)
-        }
-    }
-
-    override fun createContactPicker(): ContactPicker {
-        return ContactPicker(fragment).also {
-            it.setContactPickerCallback(attachmentsPickerCallback)
-        }
-    }
-}

vector/src/main/java/im/vector/riotx/features/attachments/preview/AttachmentPreviewControllers.kt

@@ -25,7 +25,7 @@ class AttachmentBigPreviewController @Inject constructor() : TypedEpoxyControlle
     override fun buildModels(data: AttachmentsPreviewViewState) {
         data.attachments.forEach {
             attachmentBigPreviewItem {
-                id(it.path)
+                id(it.queryUri.toString())
                 attachment(it)
             }
         }
@@ -43,7 +43,7 @@ class AttachmentMiniaturePreviewController @Inject constructor() : TypedEpoxyCon
     override fun buildModels(data: AttachmentsPreviewViewState) {
         data.attachments.forEachIndexed { index, contentAttachmentData ->
             attachmentMiniaturePreviewItem {
-                id(contentAttachmentData.path)
+                id(contentAttachmentData.queryUri.toString())
                 attachment(contentAttachmentData)
                 checked(data.currentAttachmentIndex == index)
                 clickListener { _ ->

vector/src/main/java/im/vector/riotx/features/attachments/preview/AttachmentPreviewItems.kt

@@ -33,11 +33,10 @@ abstract class AttachmentPreviewItem<H : AttachmentPreviewItem.Holder> : VectorE
     abstract val attachment: ContentAttachmentData
 
     override fun bind(holder: H) {
-        val path = attachment.path
         if (attachment.type == ContentAttachmentData.Type.VIDEO || attachment.type == ContentAttachmentData.Type.IMAGE) {
             Glide.with(holder.view.context)
                     .asBitmap()
-                    .load(path)
+                    .load(attachment.queryUri)
                     .apply(RequestOptions().frame(0))
                     .into(holder.imageView)
         } else {

vector/src/main/java/im/vector/riotx/features/attachments/preview/AttachmentsPreviewAction.kt

@@ -17,10 +17,11 @@
 
 package im.vector.riotx.features.attachments.preview
 
+import android.net.Uri
 import im.vector.riotx.core.platform.VectorViewModelAction
 
 sealed class AttachmentsPreviewAction : VectorViewModelAction {
     object RemoveCurrentAttachment : AttachmentsPreviewAction()
     data class SetCurrentAttachment(val index: Int): AttachmentsPreviewAction()
-    data class UpdatePathOfCurrentAttachment(val newPath: String): AttachmentsPreviewAction()
+    data class UpdatePathOfCurrentAttachment(val newUri: Uri): AttachmentsPreviewAction()
 }

vector/src/main/java/im/vector/riotx/features/attachments/preview/AttachmentsPreviewFragment.kt

@@ -172,9 +172,9 @@ class AttachmentsPreviewFragment @Inject constructor(
     }
 
     private fun handleCropResult(result: Intent) {
-        val resultPath = UCrop.getOutput(result)?.path
-        if (resultPath != null) {
-            viewModel.handle(AttachmentsPreviewAction.UpdatePathOfCurrentAttachment(resultPath))
+        val resultUri = UCrop.getOutput(result)
+        if (resultUri != null) {
+            viewModel.handle(AttachmentsPreviewAction.UpdatePathOfCurrentAttachment(resultUri))
         } else {
             Toast.makeText(requireContext(), "Cannot retrieve cropped value", Toast.LENGTH_SHORT).show()
         }
@@ -202,8 +202,7 @@ class AttachmentsPreviewFragment @Inject constructor(
     private fun doHandleEditAction() = withState(viewModel) {
         val currentAttachment = it.attachments.getOrNull(it.currentAttachmentIndex) ?: return@withState
         val destinationFile = File(requireContext().cacheDir, "${currentAttachment.name}_edited_image_${System.currentTimeMillis()}")
-        // Note: using currentAttachment.queryUri.toUri() make the app crash when sharing from Google Photos
-        val uri = File(currentAttachment.path).toUri()
+        val uri = currentAttachment.queryUri
         UCrop.of(uri, destinationFile.toUri())
                 .withOptions(
                         UCrop.Options()

vector/src/main/java/im/vector/riotx/features/attachments/preview/AttachmentsPreviewViewModel.kt

@@ -62,7 +62,7 @@ class AttachmentsPreviewViewModel @AssistedInject constructor(@Assisted initialS
     private fun handleUpdatePathOfCurrentAttachment(action: AttachmentsPreviewAction.UpdatePathOfCurrentAttachment) = withState {
         val attachments = it.attachments.mapIndexed { index, contentAttachmentData ->
             if (index == it.currentAttachmentIndex) {
-                contentAttachmentData.copy(path = action.newPath)
+                contentAttachmentData.copy(queryUri = action.newUri)
             } else {
                 contentAttachmentData
             }

vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailFragment.kt

@@ -250,7 +250,7 @@ class RoomDetailFragment @Inject constructor(
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         sharedActionViewModel = activityViewModelProvider.get(MessageSharedActionViewModel::class.java)
-        attachmentsHelper = AttachmentsHelper.create(this, this).register()
+        attachmentsHelper = AttachmentsHelper(requireContext(), this).register()
         keyboardStateUtils = KeyboardStateUtils(requireActivity())
         setupToolbar(roomToolbar)
         setupRecyclerView()
@@ -290,9 +290,9 @@ class RoomDetailFragment @Inject constructor(
 
         roomDetailViewModel.observeViewEvents {
             when (it) {
-                is RoomDetailViewEvents.Failure             -> showErrorInSnackbar(it.throwable)
-                is RoomDetailViewEvents.OnNewTimelineEvents -> scrollOnNewMessageCallback.addNewTimelineEventIds(it.eventIds)
-                is RoomDetailViewEvents.ActionSuccess       -> displayRoomDetailActionSuccess(it)
+                is RoomDetailViewEvents.Failure                -> showErrorInSnackbar(it.throwable)
+                is RoomDetailViewEvents.OnNewTimelineEvents    -> scrollOnNewMessageCallback.addNewTimelineEventIds(it.eventIds)
+                is RoomDetailViewEvents.ActionSuccess          -> displayRoomDetailActionSuccess(it)
                 is RoomDetailViewEvents.ActionFailure          -> displayRoomDetailActionFailure(it)
                 is RoomDetailViewEvents.ShowMessage            -> showSnackWithMessage(it.message, Snackbar.LENGTH_LONG)
                 is RoomDetailViewEvents.NavigateToEvent        -> navigateToEvent(it)
@@ -665,7 +665,7 @@ class RoomDetailFragment @Inject constructor(
     private fun sendUri(uri: Uri): Boolean {
         roomDetailViewModel.preventAttachmentPreview = true
         val shareIntent = Intent(Intent.ACTION_SEND, uri)
-        val isHandled = attachmentsHelper.handleShareIntent(shareIntent)
+        val isHandled = attachmentsHelper.handleShareIntent(requireContext(), shareIntent)
         if (!isHandled) {
             roomDetailViewModel.preventAttachmentPreview = false
             Toast.makeText(requireContext(), R.string.error_handling_incoming_share, Toast.LENGTH_SHORT).show()
@@ -1350,11 +1350,11 @@ class RoomDetailFragment @Inject constructor(
 
     private fun launchAttachmentProcess(type: AttachmentTypeSelectorView.Type) {
         when (type) {
-            AttachmentTypeSelectorView.Type.CAMERA  -> attachmentsHelper.openCamera()
-            AttachmentTypeSelectorView.Type.FILE    -> attachmentsHelper.selectFile()
-            AttachmentTypeSelectorView.Type.GALLERY -> attachmentsHelper.selectGallery()
-            AttachmentTypeSelectorView.Type.AUDIO   -> attachmentsHelper.selectAudio()
-            AttachmentTypeSelectorView.Type.CONTACT -> attachmentsHelper.selectContact()
+            AttachmentTypeSelectorView.Type.CAMERA  -> attachmentsHelper.openCamera(this)
+            AttachmentTypeSelectorView.Type.FILE    -> attachmentsHelper.selectFile(this)
+            AttachmentTypeSelectorView.Type.GALLERY -> attachmentsHelper.selectGallery(this)
+            AttachmentTypeSelectorView.Type.AUDIO   -> attachmentsHelper.selectAudio(this)
+            AttachmentTypeSelectorView.Type.CONTACT -> attachmentsHelper.selectContact(this)
             AttachmentTypeSelectorView.Type.STICKER -> vectorBaseActivity.notImplemented("Adding stickers")
         }.exhaustive
     }

vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailViewModel.kt

@@ -610,7 +610,7 @@ class RoomDetailViewModel @AssistedInject constructor(
             when (val tooBigFile = attachments.find { it.size > maxUploadFileSize }) {
                 null -> room.sendMedias(attachments, action.compressBeforeSending, emptySet())
                 else -> _viewEvents.post(RoomDetailViewEvents.FileTooBigError(
-                        tooBigFile.name ?: tooBigFile.path,
+                        tooBigFile.name ?: tooBigFile.queryUri.toString(),
                         tooBigFile.size,
                         maxUploadFileSize
                 ))

vector/src/main/java/im/vector/riotx/features/share/IncomingShareFragment.kt

@@ -72,18 +72,18 @@ class IncomingShareFragment @Inject constructor(
         super.onViewCreated(view, savedInstanceState)
         setupRecyclerView()
         setupToolbar(incomingShareToolbar)
-        attachmentsHelper = AttachmentsHelper.create(this, this).register()
+        attachmentsHelper = AttachmentsHelper(requireContext(), this).register()
 
         val intent = vectorBaseActivity.intent
         val isShareManaged = when (intent?.action) {
             Intent.ACTION_SEND          -> {
-                var isShareManaged = attachmentsHelper.handleShareIntent(intent)
+                var isShareManaged = attachmentsHelper.handleShareIntent(requireContext(), intent)
                 if (!isShareManaged) {
                     isShareManaged = handleTextShare(intent)
                 }
                 isShareManaged
             }
-            Intent.ACTION_SEND_MULTIPLE -> attachmentsHelper.handleShareIntent(intent)
+            Intent.ACTION_SEND_MULTIPLE -> attachmentsHelper.handleShareIntent(requireContext(), intent)
             else                        -> false
         }