android 全屏

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<span style="white-space:pre"></span>requestWindowFeature(Window.FEATURE_NO_TITLE);//去掉标题栏        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);//去掉信息栏        setContentView(R.layout.activity_main);

更换主题

<span style="white-space:pre"></span><style name="MyAppTheme" parent="Theme.AppCompat.Light.NoActionBar">        <item name="windowNoTitle">true</item>        <!--<item name="android:fitsSystemWindows">true</item>-->        <item name="windowActionBar">false</item>   <span style="white-space:pre"></span> </style>

或者

在oncreate（）调用

<span style="white-space:pre"></span> requestWindowFeature(Window.FEATURE_NO_TITLE);//去掉标题栏        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);//去掉信息栏        setContentView(R.layout.activity_main);        getSupportActionBar().hide();

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