バインダーのないシンプルなサービスが欲しい。起動時にサービスを開始するだけで、サービスを破棄する必要はありません。ロケーションマネージャーでサービスを構築しました。しかし、サービスは開始されません。何が悪いの?
public class WayService extends Service implements LocationListener {
blabla
...
public WayService(Context context) {
this.mContext = context;
getLocation();
}
public Location getLocation() {
try {
locationManager = (LocationManager) mContext
.getSystemService(LOCATION_SERVICE);
// getting GPS status
isGPSEnabled = locationManager
.isProviderEnabled(LocationManager.GPS_PROVIDER);
// getting network status
isNetworkEnabled = locationManager
.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
if (!isGPSEnabled && !isNetworkEnabled) {
// no network provider is enabled
} else {
this.canGetLocation = true;
// First get location from Network Provider
if (isNetworkEnabled) { //! hinzugefuegt
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
Log.d("Network", "Network");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
}
}
// if GPS Enabled get lat/long using GPS Services
if (isGPSEnabled) {
if (location == null) {
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
Log.d("GPS Enabled", "GPS Enabled");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.GPS_PROVIDER);
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
time = location.getTime();
speed = location.getSpeed();
}
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return location;
}
blabla
...
@Override
public void onLocationChanged(Location location) {
double latitude = getLatitude();
double longitude = getLongitude();
String mlat = String.valueOf(latitude);
String mlon = String.valueOf(longitude);
new PostData().execute(mlat, mlon, mtime);
}
マニフェストは次のようになります。
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/title_activity_main" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service
android:name=".WayService"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
</service>
<receiver android:name="WayStartServiceReceiver" >
</receiver>
</application>
と:
public class WayStartServiceReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Intent service = new Intent(context, WayService.class);
context.startService(service);
}
}
ここに私のログファイルがあります:
01-09 13:35:29.317: D/dalvikvm(452): newInstance failed: no <init>()
01-09 13:35:29.337: D/AndroidRuntime(452): Shutting down VM
01-09 13:35:29.337: W/dalvikvm(452): threadid=1: thread exiting with uncaught exception (group=0x40015560)
01-09 13:35:29.367: E/AndroidRuntime(452): FATAL EXCEPTION: main
01-09 13:35:29.367: E/AndroidRuntime(452): java.lang.RuntimeException: Unable to instantiate service de.app.trackmyway.WayService: java.lang.InstantiationException: de.app.trackmyway.WayService
01-09 13:35:29.367: E/AndroidRuntime(452): at android.app.ActivityThread.handleCreateService(ActivityThread.java:1929)
01-09 13:35:29.367: E/AndroidRuntime(452): at android.app.ActivityThread.access$2500(ActivityThread.java:117)
01-09 13:35:29.367: E/AndroidRuntime(452): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:985)
01-09 13:35:29.367: E/AndroidRuntime(452): at android.os.Handler.dispatchMessage(Handler.java:99)
01-09 13:35:29.367: E/AndroidRuntime(452): at android.os.Looper.loop(Looper.java:123)
01-09 13:35:29.367: E/AndroidRuntime(452): at android.app.ActivityThread.main(ActivityThread.java:3683)
01-09 13:35:29.367: E/AndroidRuntime(452): at java.lang.reflect.Method.invokeNative(Native Method)
01-09 13:35:29.367: E/AndroidRuntime(452): at java.lang.reflect.Method.invoke(Method.java:507)
01-09 13:35:29.367: E/AndroidRuntime(452): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
01-09 13:35:29.367: E/AndroidRuntime(452): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
01-09 13:35:29.367: E/AndroidRuntime(452): at dalvik.system.NativeStart.main(Native Method)
01-09 13:35:29.367: E/AndroidRuntime(452): Caused by: java.lang.InstantiationException: de.app.trackmyway.WayService
01-09 13:35:29.367: E/AndroidRuntime(452): at java.lang.Class.newInstanceImpl(Native Method)
01-09 13:35:29.367: E/AndroidRuntime(452): at java.lang.Class.newInstance(Class.java:1409)
01-09 13:35:29.367: E/AndroidRuntime(452): at android.app.ActivityThread.handleCreateService(ActivityThread.java:1926)
01-09 13:35:29.367: E/AndroidRuntime(452): ... 10 more