手机切换横竖屏崩溃在mainfest.xml对应的ACTIVITY中 添加这段android:configChanges="orientation|screenSize" 就不会崩溃啦
动态设置横竖屏 方法 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
ActivityInfo.SCREEN_ORIENTATION_PORTRAIT一面竖屏
ActivityInfo.SCREEN_ORIENTATION_NOSENSOR 不受影响默认竖屏
ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE 两面横屏转换
ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT 两面竖屏转换
ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR 根据重力变换四面
XML中设置横竖屏
android:screenOrientation="landscape"
隐藏手机虚拟导航栏
getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
沉浸模式
来自郭大神博客 http://blog.csdn.net/guolin_blog/article/details/51763825
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
if (hasFocus && Build.VERSION.SDK_INT >= 19) {
View decorView = getWindow().getDecorView();
decorView.setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LAYOUT_STABLE
| View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
| View.SYSTEM_UI_FLAG_FULLSCREEN
| View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
}
}