public class HomePage
extends AppCompatActivity {
@Override
protected void onCreate(
@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.
homepage);
//去掉任务栏,显示全屏
View decorView = getWindow().getDecorView();
int option = View.
SYSTEM_UI_FLAG_FULLSCREEN;
decorView.setSystemUiVisibility(option);
ActionBar actionBar = getSupportActionBar();
actionBar.hide();
}
}