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adding helper for inferring if the device has connectivity, this helps with breaking down UnknownHost exceptioncauses and shouldn't be used for checking offline status

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This commit is contained in:
Adam Brown 2022-05-12 11:26:26 +01:00
parent 59afb5cf4c
commit 100aa24021
1 changed files with 30 additions and 0 deletions
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30
vector/src/main/java/im/vector/app/core/extensions/Context.kt
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@ -18,7 +18,10 @@ package im.vector.app.core.extensions
import android.content.Context
import android.graphics.drawable.Drawable
import android.net.ConnectivityManager
import android.net.NetworkCapabilities
import android.net.Uri
import android.os.Build
import android.text.Spannable
import android.text.SpannableString
import android.text.style.ImageSpan
@ -77,3 +80,30 @@ val Context.dataStoreProvider: (String) -> DataStore<Preferences> by dataStorePr
fun Context.safeOpenOutputStream(uri: Uri): OutputStream? {
return contentResolver.openOutputStream(uri, "wt")
}
/**
* Checks for an active connection to infer if the device is offline.
* This is useful for breaking down UnknownHost exceptions and should not be used to determine if a valid connection is present
*
* @return true if no active connection is found
*/
@Suppress("deprecation")
fun Context.inferNoConnectivity(): Boolean {
val connectivityManager: ConnectivityManager = getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
return if (Build.VERSION.SDK_INT > Build.VERSION_CODES.M) {
val networkCapabilities = connectivityManager.getNetworkCapabilities(connectivityManager.activeNetwork)
when {
networkCapabilities?.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) == true -> false
networkCapabilities?.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) == true -> false
networkCapabilities?.hasTransport(NetworkCapabilities.TRANSPORT_VPN) == true -> false
else -> true
}
} else {
when (connectivityManager.activeNetworkInfo?.type) {
ConnectivityManager.TYPE_WIFI -> false
ConnectivityManager.TYPE_MOBILE -> false
ConnectivityManager.TYPE_VPN -> false
else -> true
}
}
}