Enable Window Full Screen in Android Studio

 Here is the example to make window full screen , so lets see code below here how its works

Window full screen code is gone in your .java file code in the MainActivity.java

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        getSupportActionBar().hide();
    }
}

So , above code is how to make window full screen in your android application.

And below is the full Source code of it.

Enable Window Full Screen