android 全透明状态栏

1. public class MainActivity extends Activity {  
2.       
3.     @SuppressLint("InlinedApi")  
4.     @Override  
5.     protected void onCreate(Bundle savedInstanceState) {  
6.         super.onCreate(savedInstanceState);  
7.         getWindow().requestFeature(Window.FEATURE_NO_TITLE);  
8.         if(VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {  
9.             Window window = getWindow();  
10.             window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS  
11.                     | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);  
12.             window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN  
13.                             | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION  
14.                             | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);  
15.             window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);  
16.             window.setStatusBarColor(Color.TRANSPARENT);  
17.             window.setNavigationBarColor(Color.TRANSPARENT);  
18.         }  
19.   
20.         setContentView(R.layout.activity_main);  
21.     }  
22.   
23. }