これを追加して、this.setTheme(android.R.style.Theme_NoTitleBar_Fullscreen);
前に画面をフルスクリーンにしますsuper.onCreate(savedInstanceState);
また
前this.requestWindowFeature(Window.FEATURE_NO_TITLE);
に
追加this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN)
setContentView
例えば:
@Override
public void onCreate(Bundle savedInstanceState){
/**sets Theme and Style (must be set BEFORE super.onCreate)*/
this.setTheme(android.R.style.Theme_NoTitleBar_Fullscreen);
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
また
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
/**Changes Window. Removes title and/or notification bar (must be set BEFORE setContentView)*/
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.main);
(または、homer_simpson が言ったように、マニフェスト経由で実行できます。)