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SchildiChat-android
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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

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.content.Context
import android.graphics.drawable.Drawable import android.graphics.drawable.Drawable
import android.net.ConnectivityManager
import android.net.NetworkCapabilities
import android.net.Uri import android.net.Uri
import android.os.Build
import android.text.Spannable import android.text.Spannable
import android.text.SpannableString import android.text.SpannableString
import android.text.style.ImageSpan import android.text.style.ImageSpan
@ -77,3 +80,30 @@ val Context.dataStoreProvider: (String) -> DataStore<Preferences> by dataStorePr
fun Context.safeOpenOutputStream(uri: Uri): OutputStream? { fun Context.safeOpenOutputStream(uri: Uri): OutputStream? {
return contentResolver.openOutputStream(uri, "wt") 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
}
}
}