如何隐藏主页，后退，appswitcher按钮和通知栏？

Question

几个背景词：申请将用于展览。它应该隐藏主页，后退，appswitcher按钮和通知栏以防止用户进行设置等。

设备：Samsung GT-N8000 Android 4.1.2

我试图通过SYSTEM_UI_FLAG_HIDE_NAVIGATION隐藏它们。

的AndroidManifest.xml

android:theme="@android:style/Theme.Holo.Light.NoActionBar.Fullscreen"

MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);

    View decorView = getWindow().getDecorView();
    int uiOptions = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
            | View.SYSTEM_UI_FLAG_FULLSCREEN;
    decorView.setSystemUiVisibility(uiOptions);

    setContentView(R.layout.activity_main);
}

Applicaiton在启动时隐藏它们。一切都好。但是当我在屏幕上触摸时，按钮和通知栏会出现在屏幕的底部。

更新：尝试通过onTouchEvent解决此问题

@Override
public boolean onTouchEvent(MotionEvent event) {
    // TODO Auto-generated method stub
    View decorView = getWindow().getDecorView();
    int uiOptions = View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
            | View.SYSTEM_UI_FLAG_FULLSCREEN;
    decorView.setSystemUiVisibility(uiOptions);
    return true;
}

结果：触摸 - ＆gt;导航正在打开，触摸＆gt;导航正在隐藏:( 如何完全（永久）隐藏按钮和通知栏？

Answer 1

您需要使用沉浸式模式。请参阅此处的文档：Android Documentation

您需要添加此功能：

private void hideSystemUI() {
// Set the IMMERSIVE flag.
// Set the content to appear under the system bars so that the content
// doesn't resize when the system bars hide and show.
mDecorView.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 // hide nav bar
        | View.SYSTEM_UI_FLAG_FULLSCREEN // hide status bar
        | View.SYSTEM_UI_FLAG_IMMERSIVE);

}