Create Note Widget

Addition of "Create Note" widget as referenced in https://github.com/stefan-niedermann/nextcloud-notes/issues/15.

app/src/main/AndroidManifest.xml

@@ -82,5 +82,16 @@
             android:parentActivityName="it.niedermann.owncloud.notes.android.activity.NotesListViewActivity"
             />
 
+        <receiver   android:name=".android.activity.CreateNoteWidget"
+            android:label="@string/widget_create_note">
+
+            <intent-filter>
+                <action android:name="android.appwidget.action.APPWIDGET_UPDATE" />
+            </intent-filter>
+
+            <meta-data
+                android:name="android.appwidget.provider"
+                android:resource="@xml/create_note_widget_provider" />
+        </receiver>
     </application>
 </manifest>

app/src/main/java/it/niedermann/owncloud/notes/android/activity/CreateNoteActivity.java

@@ -13,15 +13,24 @@ import com.yydcdut.rxmarkdown.factory.EditFactory;
 
 import it.niedermann.owncloud.notes.R;
 import it.niedermann.owncloud.notes.persistence.NoteSQLiteOpenHelper;
+import it.niedermann.owncloud.notes.persistence.NoteServerSyncHelper;
 import it.niedermann.owncloud.notes.util.MarkDownUtil;
 import rx.Subscriber;
 
 public class CreateNoteActivity extends AppCompatActivity {
+    private final static int server_settings = 2;
+
     private RxMDEditText editTextField = null;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+
+        if (!NoteServerSyncHelper.isConfigured(this)) {
+            Intent  settingsIntent = new Intent(this, SettingsActivity.class);
+            startActivityForResult(settingsIntent, server_settings);
+        }
+
         setContentView(R.layout.activity_create);
         editTextField = (RxMDEditText) findViewById(R.id.createContent);
 
@@ -94,10 +103,22 @@ public class CreateNoteActivity extends AppCompatActivity {
         String content = editTextField.getText().toString();
         if(!implicit || !content.isEmpty()) {
             NoteSQLiteOpenHelper db = NoteSQLiteOpenHelper.getInstance(this);
-            Intent data = new Intent();
+            Intent data = new Intent(this, NotesListViewActivity.class);
             data.putExtra(NotesListViewActivity.CREATED_NOTE, db.getNote(db.addNoteAndSync(content)));
             setResult(RESULT_OK, data);
         }
         finish();
     }
+
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+
+        if (requestCode == server_settings) {
+            if (resultCode != RESULT_OK) {
+                // User has not setup the server config and no note can be created
+                finish();
+            }
+        }
+    }
 }

app/src/main/java/it/niedermann/owncloud/notes/android/activity/CreateNoteWidget.java

@@ -0,0 +1,51 @@
+package it.niedermann.owncloud.notes.android.activity;
+
+import android.app.PendingIntent;
+import android.appwidget.AppWidgetManager;
+import android.appwidget.AppWidgetProvider;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+import android.widget.RemoteViews;
+
+import it.niedermann.owncloud.notes.R;
+
+/**
+ * Implementation of App Widget functionality.
+ */
+public class CreateNoteWidget extends AppWidgetProvider {
+
+    static void updateAppWidget(Context context, AppWidgetManager appWidgetManager,
+                                int appWidgetId) {
+
+        // Construct the RemoteViews object
+        RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.widget_create_note);
+        Intent intent = new Intent(context, CreateNoteActivity.class);
+
+        PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
+        views.setOnClickPendingIntent(R.id.widget_create_note, pendingIntent);
+
+        // Instruct the widget manager to update the widget
+        appWidgetManager.updateAppWidget(appWidgetId, views);
+    }
+
+    @Override
+    public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
+
+        // There may be multiple widgets active, so update all of them
+        for (int appWidgetId : appWidgetIds) {
+            updateAppWidget(context, appWidgetManager, appWidgetId);
+        }
+    }
+
+    @Override
+    public void onEnabled(Context context) {
+        // Enter relevant functionality for when the first widget is created
+    }
+
+    @Override
+    public void onDisabled(Context context) {
+        // Enter relevant functionality for when the last widget is disabled
+    }
+}
+

app/src/main/java/it/niedermann/owncloud/notes/android/activity/SettingsActivity.java

@@ -164,6 +164,18 @@ public class SettingsActivity extends AppCompatActivity {
         password_wrapper.setHint(getString(unchangedHint ? R.string.settings_password_unchanged : R.string.settings_password));
     }
 
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+
+        // Occurs in this scenario: User opens the app but doesn't configure the server settings, they then add the Create Note widget to home screen and configure
+        // server settings there. The stale SettingsActivity is then displayed hence finish() here to close it down.
+        if ((first_run) && (NoteServerSyncHelper.isConfigured(this))) {
+            finish();
+        }
+    }
+
     /**
      * Prevent pressing back button on first run
      */

app/src/main/res/layout/widget_create_note.xml

@@ -0,0 +1,16 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/widget_create_note"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_gravity="center_vertical"
+    android:clickable="true"
+    android:orientation="vertical"
+    android:padding="@dimen/widget_margin">
+
+    <ImageView
+        android:id="@+id/ivCreateNoteBadge"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical|center_horizontal"
+        android:background="@drawable/ic_widget_create" />
+</LinearLayout>

app/src/main/res/values/dimens.xml

@@ -9,4 +9,5 @@
     <dimen name="button_padding">16dp</dimen>
     <dimen name="button_elevation">5dp</dimen>
 
+    <dimen name="widget_margin">0dp</dimen>
 </resources>

app/src/main/res/values/strings.xml

@@ -113,6 +113,7 @@
 
     <string name="widget_all_notes_title">All notes</string>
     <string name="widget_single_note_title">Single note</string>
+    <string name="widget_create_note">Create Note</string>
 
     <!-- Shortcuts -->
     <string name="shortcut_create_long">Create a new note</string>

app/src/main/res/xml/create_note_widget_provider.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<appwidget-provider xmlns:android="http://schemas.android.com/apk/res/android"
+    android:initialKeyguardLayout="@layout/widget_create_note"
+    android:initialLayout="@layout/widget_create_note"
+    android:minHeight="40dp"
+    android:minWidth="40dp"
+    android:previewImage="@drawable/ic_widget_create"
+    android:updatePeriodMillis="86400000"
+    android:widgetCategory="home_screen"
+    android:text="@string/widget_create_note"
+    android:resizeMode="none">
+</appwidget-provider>