【发布时间】:2017-02-04 02:33:02
【问题描述】:
我尝试开发使用手机加速度计的 Android 应用程序。它可以在除华为手机之外的任何地方使用(在 P9 上测试)。我选中了“黑屏继续运行”选项并使用节电程序保护应用程序(电池选项)。
我看不到解决方案,所以我问你:-) 这是我的活动:
public class MainActivity extends AppCompatActivity {
private static final String TAG = "MainActivity";
private MyService mService;
private boolean mIsRunning;
private MyService.ICallback mCallback = new MyService.ICallback() {
public void changed() {
Log.i(TAG, "CHANGED");
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
protected void onResume() {
super.onResume();
if(!mIsRunning) {
startStepService();
}
bindStepService();
}
@Override
protected void onPause() {
super.onPause();
if(mIsRunning && mService != null) {
unbindStepService();
}
}
private ServiceConnection mConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName className, IBinder service) {
mService = ((MyService.StepBinder)service).getService();
mService.registerCallback(mCallback);
}
public void onServiceDisconnected(ComponentName className) {
mService = null;
}
};
private void startStepService() {
if (! mIsRunning) {
mIsRunning = true;
startService(new Intent(MainActivity.this, MyService.class));
}
}
private void bindStepService() {
bindService(new Intent(MainActivity.this, MyService.class), mConnection, Context.BIND_AUTO_CREATE);
}
private void unbindStepService() {
unbindService(mConnection);
}
还有我的服务:
public class MyService extends Service {
private static final String TAG = "Test";
private SensorManager mSensorManager;
private Detector detector;
private MyDisplayer displayer;
private PowerManager.WakeLock wakeLock;
private ICallback mCallback;
private MyDisplayer.Listener mStepListener = new MyDisplayer.Listener() {
public void changed() {
passValue();
}
public void passValue() {
if (mCallback != null) {
mCallback.changed();
}
}
};
private final IBinder mBinder = new StepBinder();
public static final int MyID = 1234;
android.app.Notification Notification;
public class StepBinder extends Binder {
public MyService getService() {
return MyService.this;
}
}
@Override
public void onCreate() {
super.onCreate();
acquireWakeLock();
displayer = new MyDisplayer();
displayer.addListener(mStepListener);
registerDetector();
startServiceNotification();
}
private void registerDetector() {
mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
detector = new Detector();
detector.addStepListener(displayer);
Sensor mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
mSensorManager.registerListener(detector, mSensor, SensorManager.SENSOR_DELAY_GAME);
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
public interface ICallback {
void changed();
}
public void registerCallback(ICallback cb) {
mCallback = cb;
}
private void startServiceNotification() {
NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this)
.setSmallIcon(R.drawable.logo_32)
.setContentTitle("Test")
.setPriority(Notification.PRIORITY_HIGH)
.setContentText("My Notif");
TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
Intent resultIntent = new Intent(this, MainActivity.class);
stackBuilder.addNextIntent(resultIntent);
PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
mBuilder.setContentIntent(resultPendingIntent);
startForeground(MyID, mBuilder.build());
}
private void acquireWakeLock() {
PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
int wakeFlags = PowerManager.PARTIAL_WAKE_LOCK;
wakeLock = pm.newWakeLock(wakeFlags, TAG);
wakeLock.acquire();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
return START_STICKY;
}
Listener 和 Detector 对这个问题没用,所以我就不放在这里了。 谢谢你的帮助。
【问题讨论】:
-
我们在 Voip-App 的 P9 上遇到了完全相同的问题(对 sip 堆栈使用唤醒锁)。任何解决方案都非常感谢!
-
你的服务没有运行吗?
标签: android kill android-wake-lock huawei-mobile-services