安卓单机重启后无法进入lockTaskMode

Question

我正在尝试创建一个一次性设备(kiosk应用程序)，并遵循以下教程：https://codelabs.developers.google.com/codelabs/cosu/index.html?index=..%2F..%2Findex#0

代码工作非常正常，除了“重新启动”的情况。每次重新启动后，都无法锁定应用程序，每次重新启动后都会陷入"LOCK_TASK_EXITING“状态。

07-05 15:45:14.583   785   802 V ActivityManager: Broadcast: Intent { act=android.app.action.LOCK_TASK_ENTERING flg=0x10 cmp=com.google.codelabs.cosu/.DeviceAdminReceiver (has extras) } ordered=false userid=0 callerApp=ProcessRecord{6438256 785:system/1000}
07-05 15:45:14.584   785   802 V ActivityManager: Broadcast: Intent { act=android.app.action.LOCK_TASK_EXITING flg=0x10 cmp=com.google.codelabs.cosu/.DeviceAdminReceiver } ordered=false userid=0 callerApp=ProcessRecord{6438256 785:system/1000}

Answer 1

查看GitHub ...one可以类似地解决此问题：

@Override
protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);

    if (mSharedPreferences.getBoolean(KEY_PREF_RECREATED, false)) {

        mSharedPreferences.edit().putBoolean(KEY_PREF_RECREATED, false).apply();

        // start LOCK TASK here

    } else {

        mSharedPreferences.edit().putBoolean(KEY_PREF_RECREATED, true).apply();

        finish(); // close the app
        startActivity(new Intent(this, MainActivity.class)); // reopen the app
    }

    setContentView(R.layout.activity_main);
}