Android [LocationManager] requestLocationUpdates()

Question

当请求内部位置更新时出现此错误service。授予位置权限，LocationManager不为空，Provider不为空。LocationManager: [LocationManager] requestLocationUpdates(),     java.lang.RuntimeException        at android.location.LocationManager.requestLocationUpdates(LocationManager.java:1013)        at android.location.LocationManager.requestLocationUpdates(LocationManager.java:595)        at com.trackinglibrary.service.DataService.createAndRequestLocationUpdates(DataService.java:759)        at com.trackinglibrary.service.DataService.onStartCommand(DataService.java:252)        at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3694)        at android.app.ActivityThread.access$1600(ActivityThread.java:202)        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1696)        at android.os.Handler.dispatchMessage(Handler.java:107)        at android.os.Looper.loop(Looper.java:198)        at android.app.ActivityThread.main(ActivityThread.java:6729)        at java.lang.reflect.Method.invoke(Native Method)        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)我在里面调用的位置代码 onStartCommand()：@SuppressLint("MissingPermission")    private void createAndRequestLocationUpdates() {        try {            if (!TrackThatUtils.isLocationEnabled(getApplicationContext())) {                Log.e(TAG, "Location is disable.");                return;            }            if (locationManager == null) {                locationManager = (LocationManager) getApplicationContext().getSystemService(Context.LOCATION_SERVICE);                addProximityAlert();            }            if (locationManager == null || !locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {                Log.e(TAG, "Location provider is disable.");                return;            }

Answer 1

根据文档 RuntimeException调用时调用线程没有Looper。Looper.prepare()在打电话之前尝试打电话LocationManager




Answer 2

不要在共享首选项中存储位置类在我的情况下，这是问题所在