我在Activity中使用Intent打开位置设置菜单来启用GPS。调用Intent后，我使用了一个Service来监听位置更新。我从Service向Activity发送了两个BroadcastReceivers。在Activity的onResume（）方法中，我想要访问从Service传递过来的数据。但是当我点击返回按钮时，应用程序崩溃了。它说BroadcastReceiver未注册。但我已经注册了两个BroadcastReceivers。
错误：
java.lang.RuntimeException: 无法销毁活动 {com.example.jobinsabu.ohxee/com.example.jobinsabu.ohxee.AddOffers.AddOffers}: java.lang.IllegalArgumentException: 接收器未注册：com.example.jobinsabu.ohxee.AddOffers.AddOffers$7@8cd71b4 在android.app.ActivityThread.performDestroyActivity(ActivityThread.java:4137) 在android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:4155) 在android.app.ActivityThread.access$1500(ActivityThread.java:177) 在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1484) 在android.os.Handler.dispatchMessage(Handler.java:102) 在android.os.Looper.loop(Looper.java:135) 在android.app.ActivityThread.main(ActivityThread.java:5910) 在java.lang.reflect.Method.invoke(Native Method) 在java.lang.reflect.Method.invoke(Method.java:372) 在com.android.internal.os.ZygoteInit $MethodAndArgsCaller.run(ZygoteInit.java:1405) 在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1200) 导致：java.lang.IllegalArgumentException: 接收器未注册：com.example.jobinsabu.ohxee.AddOffers.AddOffers$7@8cd71b4 在android.app.LoadedApk.forgetReceiverDispatcher(LoadedApk.java:830) 在android.app.ContextImpl.unregisterReceiver(ContextImpl.java:1850) 在android.content.ContextWrapper.unregisterReceiver(ContextWrapper.java:518) 在com.example.jobinsabu.ohxee.AddOffers.AddOffers.onDestroy(AddOffers.java:448) 在android.app.Activity.performDestroy(Activity.java:6418) 在android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1153) 在android.app.ActivityThread.performDestroyActivity(ActivityThread.java:4124) 在android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:4155) 在android.app.ActivityThread.access$1500(ActivityThread.java:177) 在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1484) 在android.os.Handler.dispatchMessage(Handler.java:102) 在android.os.Looper.loop(Looper.java:135) 在android.app.ActivityThread.main(ActivityThread.java:5910) 在java.lang.reflect.Method.invoke(Native Method) 在java.lang.reflect.Method.invoke(Method.java:372) 在com.android.internal.os.ZygoteInit $MethodAndArgsCaller.run(ZygoteInit.java:1405) 在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1200)public class StatsGpsService extends Service {
LocationListener locationListener;
LocationManager locationManager;
boolean flag1;
public StatsGpsService() {
super();
}
@Override
public void onCreate() {
super.onCreate();
Log.e("Service","Created");
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
handleLocation(intent);
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onDestroy() {
super.onDestroy();
Log.e("Service","Destroyed");
}
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
public void handleLocation(Intent intent){
if(intent!= null) {
flag1 = intent.getBooleanExtra("offr_act_ind", false);
locationListener = new LocationListener() {
@Override
public void onLocationChanged(Location location) {
if (flag1 == true) {
Intent intent = new Intent("loc_updts");
intent.putExtra("stat_lat", location.getLatitude());
intent.putExtra("stat_longt", location.getLongitude());
sendBroadcast(intent);
}
}
@Override
public void onStatusChanged(String s, int i, Bundle bundle) {
}
@Override
public void onProviderEnabled(String s) {
}
@Override
public void onProviderDisabled(String s) {
Log.e("Provider","Disabled");
Intent intent1=new Intent("offr_prvdr_disable");
intent1.putExtra("offr_provider_disable",true);
sendBroadcast(intent1);
}
};
locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
// TODO: Consider calling
// ActivityCompat#requestPermissions
// here to request the missing permissions, and then overriding
// public void onRequestPermissionsResult(int requestCode, String[] permissions,
// int[] grantResults)
// to handle the case where the user grants the permission. See the documentation
// for ActivityCompat#requestPermissions for more details.
return;
}
locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 5000, 10, locationListener);
}
}
}
AddOffers.java:
@Override
protected void onResume() {
super.onResume();
broadcastReceiver1 =new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if(intent!=null){
if(intent.getBooleanExtra("offr_provider_disable",false)==true){
offer_gps=false;
Log.e("gps","disabled");
}
}
}
};
this.registerReceiver(broadcastReceiver1,new IntentFilter("offr_prvdr_disable"));
broadcastReceiver=new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if(intent!=null){
lat=Double.toString(intent.getDoubleExtra("stat_lat",0.0));
longt=Double.toString(intent.getDoubleExtra("stat_longt",0.0));
offer_lat_txt.setText(lat);
offr_long_inpt.setText(longt);
}
}
};
this.registerReceiver(broadcastReceiver,new IntentFilter("loc_updts"));
}
@Override
protected void onStop() {
super.onStop();
if(static_gps_intent!=null){
stopService(static_gps_intent);
}
if(broadcastReceiver1!=null){
unregisterReceiver(broadcastReceiver1);
}
if(broadcastReceiver!=null){
unregisterReceiver(broadcastReceiver);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if(broadcastReceiver1!=null){
unregisterReceiver(broadcastReceiver1);
}
if(broadcastReceiver!=null){
unregisterReceiver(broadcastReceiver);
}
if(static_gps_intent!=null){
stopService(static_gps_intent);
}
}