Change screen orientation in Android without reloading the activity

Question

I want to change the orientation programmatically while running my Android App, with these lines of code:

setRequestedOrientation(ActivityInfo.SCREEN_ORIENTA         


        

Answer 1

Call this method And Set manifest file

android:configChanges="orientation|screenSize|keyboardHidden"

public void onConfigurationChanged(Configuration newConfig) {
     super.onConfigurationChanged(newConfig);

        // Checks the orientation of the screen
        if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
            Toast.makeText(this, "landscape", Toast.LENGTH_SHORT).show();
        } else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT){
            Toast.makeText(this, "portrait", Toast.LENGTH_SHORT).show();
        }
    }