代码方式隐藏状态栏

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@Override   protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       //Hide toolbar       int SDK_INT = android.os.Build.VERSION.SDK_INT;       if(SDK_INT >= 19)       {           setImmersiveSticky();           View decorView = getWindow().getDecorView();           decorView.setOnSystemUiVisibilityChangeListener                   (new View.OnSystemUiVisibilityChangeListener() {               @Override               public void onSystemUiVisibilityChange(int visibility) {                   setImmersiveSticky();               }           });       }     } @Override   protected void onResume() {       super.onResume();       //Hide toolbar       int SDK_INT = android.os.Build.VERSION.SDK_INT;       if(SDK_INT >= 11 && SDK_INT < 14)       {           getWindow().getDecorView().setSystemUiVisibility(View.STATUS_BAR_HIDDEN);       }       else if(SDK_INT >= 14 && SDK_INT < 19)       {           getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LOW_PROFILE);       }       else if(SDK_INT >= 19)       {           setImmersiveSticky();       }   }     void setImmersiveSticky() {       View decorView = getWindow().getDecorView();       decorView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN               | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION               | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY               | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN               | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION               | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);   }