Unsolved Activity restarts when switching between virtual and physical keyboard

[Kuldip Somwanshi]

I am trying to connect the bluetooth keyboard but the activity is getting restarted and application getting black screen. Updated AndroidManifest as below still getting same issue
<activity android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|layoutDirection|locale|fontScale|keyboard|keyboardHidden|navigation" android:name="org.app" android:label="APP" android:screenOrientation="landscape" android:launchMode="singleTop" android:theme="@android:style/Theme.Holo.NoActionBar.Fullscreen">