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我在這裏真正的麻煩。試圖每3秒獲得一次背景服務的經度和緯度，但我只能夠獲得一些數據寫入時，我點擊發送經緯度和延長模擬器的擴展控件，所以電話和模擬器都不工作。下面是我的代碼，如果有人可以幫助我，那將會很棒。謝謝！無法獲取服務位置（LocationManager）
服務
public class GPSService extends Service {
private static final String TAG = "GpsService";
private LocationListener locationListener;
private LocationManager locationManager;
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate() {
locationListener = new LocationListener() {
@Override
public void onLocationChanged(Location location) {
Intent i = new Intent("location_update");
i.putExtra("latExtra",location.getLatitude());
i.putExtra("lonExtra",location.getLongitude());
sendBroadcast(i);
Log.i(TAG, "onLocationChanged: extras lat lon"+location.getLatitude()+" "+location.getLongitude());
}
@Override
public void onStatusChanged(String s, int i, Bundle bundle) {
}
@Override
public void onProviderEnabled(String s) {
}
@Override
public void onProviderDisabled(String s) {
Log.i(TAG, "onProviderDisabled: DISABLED");
Intent i = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(i);
}
};
locationManager =(LocationManager) getApplicationContext().getSystemService(Context.LOCATION_SERVICE);
Criteria c = new Criteria();
String provider =locationManager.getBestProvider(c,true);
Log.i(TAG, "onCreate: bestProvider "+provider);
//noinspection MissingPermission
locationManager.requestLocationUpdates(provider,2000,0,locationListener);
}
@Override
public void onDestroy() {
super.onDestroy();
if (locationManager != null){
Log.i(TAG, "onDestroy: Location manager nije null i brisem");
//noinspection MissingPermission
locationManager.removeUpdates(locationListener);
}
}
}
MainActivity
private final String TAG = "Main";
...
BroadcastReceiver broadcastReciever;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
//setStatusBarTranslucent(false);
if(!runtimePermisions()){
startLocationUpdate();}
...
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//stopService();
if (ActivityCompat.checkSelfPermission(MainActivity.this, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(MainActivity.this, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
//REQUEST PERMISSION
Log.i(TAG, "onClick: NO PERMISION");
} else {
Log.i(TAG, "onClick: got permision");
}
...
}
public void startLocationUpdate(){
Intent i = new Intent(this,GPSService.class);
startService(i);
Log.i(TAG, "startLocationUpdate: Pokrenuo sam service");
}
@Override
protected void onResume() {
super.onResume();
if (broadcastReciever == null){
broadcastReciever = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
lat = (Double) intent.getExtras().get("latExtra");
lon = (Double) intent.getExtras().get("lonExtra");
Log.i(TAG, "onReceive: lat lon "+lat+" "+lon);
}
};
}
registerReceiver(broadcastReciever,new IntentFilter("location_update"));
}
@Override
protected void onDestroy() {
super.onDestroy();
if (broadcastReciever!=null){
unregisterReceiver(broadcastReciever);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (requestCode == 100) {
if (grantResults [0] == PackageManager.PERMISSION_GRANTED && grantResults[1] == PackageManager.PERMISSION_GRANTED){
startLocationUpdate();
}else{
runtimePermisions();}
}
}
private boolean runtimePermisions() {
if (Build.VERSION.SDK_INT >= 23 &&ContextCompat.checkSelfPermission(this,Manifest.permission.ACCESS_FINE_LOCATION)!= PackageManager.PERMISSION_GRANTED &&
ContextCompat.checkSelfPermission(this,Manifest.permission.ACCESS_COARSE_LOCATION)!= PackageManager.PERMISSION_GRANTED){
requestPermissions(new String[]{
Manifest.permission.ACCESS_COARSE_LOCATION,
Manifest.permission.ACCESS_FINE_LOCATION,
},100);
return true;
}
return false;
}
清單
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.digiart.yoweather">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".SettingsActivity"
android:theme="@style/SettingsTheme"></activity>
<service android:name=".Gps.GPSService"/>
</application>
</manifest>
再次...任何幫助將是巨大的！感謝：D
對於我來說，需要等待幾秒鐘，手機前，可以得到的位置。 –