“关闭系统”对话框在某些设备中正在运行，而在其他设

Question

我正在开发一款安全应用程序，可防止手机关机（内置电池的手机）。我发现stackoverflow在启动项目时非常有用，但是在下面的代码中存在问题。  这个代码正在Android模拟器和我兄弟的手机摩托罗拉X Play上工作，但它既不能用于我的手机小米MI 5，也不适用于我朋友的手机小米MI4i

问题是：

sendBroadcast（new Intent（Intent.ACTION_CLOSE_SYSTEM_DIALOGS））;

无法在我的手机中使用，因此，关机菜单不会被解雇 而这段代码习惯于在2-3周前在每部手机中工作。

请有人帮助我完成这项工作，以便我可以继续开发我的项目，这样我就可以为我们的移动设备安全迈出一步 提前谢谢：）

MainActivity.java

public class MainActivity extends AppCompatActivity {

public final static int REQUEST_CODE = 10101;

Handler H;
Runnable Run;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    if (checkDrawOverlayPermission()) {
        startService(new Intent(this, MyService.class));
    }
}

public boolean checkDrawOverlayPermission() {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
        return true;
    }
    if (!Settings.canDrawOverlays(this)) {
        /** if not construct intent to request permission */
        Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION, Uri.parse("package:" + getPackageName()));
        /** request permission via start activity for result */
        startActivityForResult(intent, REQUEST_CODE);
        return false;
    } else {
        return true;
    }
}

@Override
@TargetApi(Build.VERSION_CODES.M)
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    if (requestCode == REQUEST_CODE) {
        if (Settings.canDrawOverlays(this)) {
            startService(new Intent(this, MyService.class));
        }
    }
}

}

MyService.java

public class MyService extends Service {
@Override
public void onCreate() {
    super.onCreate();
    Toast.makeText(getApplicationContext(),"Service Running",Toast.LENGTH_LONG).show();
    LinearLayout mLinear = new LinearLayout(getApplicationContext()) {

        //home or recent button
        public void onCloseSystemDialogs(String reason)
        {
            if ("globalactions".equals(reason)) {
                Log.i("*********","********Long press on power button");

                KeyguardManager kgm = (KeyguardManager) getSystemService(getApplicationContext().KEYGUARD_SERVICE);
                if(kgm.isKeyguardLocked()) {
                    sendBroadcast(new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS));
                }
            }
        }
    };
    mLinear.setFocusable(true);
    View mView = LayoutInflater.from(this).inflate(R.layout.service_layout, mLinear);
    WindowManager mWindowManager = (WindowManager) getSystemService(WINDOW_SERVICE);
    WindowManager.LayoutParams mParams = new WindowManager.LayoutParams(
            0,
            0,
            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
            WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN  | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
            PixelFormat.TRANSLUCENT);
    mParams.gravity =  Gravity.CENTER | Gravity.TOP;
    mWindowManager.addView(mView, mParams);
}
@Override
public IBinder onBind(Intent intent) {
    return null;
}
}