dialog.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
dialog.getWindow().getDecorView().setOnSystemUiVisibilityChangeListener(new View.OnSystemUiVisibilityChangeListener() {
@Override
public void onSystemUiVisibilityChange(int visibility) {
int uiOptions = View.SYSTEM_UI_FLAG_LAYOUT_STABLE |
//布局位于状态栏下方
View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
//全屏
View.SYSTEM_UI_FLAG_FULLSCREEN |
//隐藏导航栏
View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
uiOptions |= 0x00001000;
dialog.getWindow().getDecorView().setSystemUiVisibility(uiOptions);
}
});