Rotation screen

Rotation screen

*Save states

<activity
            android:configChanges="orientation|keyboard|keyboardHidden|screenSize|screenLayout|uiMode"
            android:name=".ViTriCuaToi"
            android:label="@string/app_name" >

Listener event

      @Override
      public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        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();
          }

      }
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