Question

public class Gpstracker extends Service implements LocationListener {

    @Override
    public void onLocationChanged(Location arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onProviderDisabled(String arg0) {
        // TODO Auto-generated method stub
        Toast.makeText(getApplicationContext(), "Disabled"+arg0, 10000).show();
    }

    @Override
    public void onProviderEnabled(String arg0) {
        // TODO Auto-generated method stub
        Toast.makeText(getApplicationContext(), "Enabled"+arg0, 10000).show();

    }

    @Override
    public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
        // TODO Auto-generated method stub

    }

    @Override
    public IBinder onBind(Intent arg0) {
        // TODO Auto-generated method stub
        return null;
    }

}

这是我的GpsTracker课程：

public class MainActivity extends ActionBarActivity {


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Gpstracker gps=new Gpstracker();
    }
}

这是MainActivity：当我启用wifi或Gps时，如果我们禁用无法显示你的wifi关闭的不显示toast消息，那么它不会显示toast一样请帮助我们检查位置是启用还是禁用。请告诉我如何检测使用LocationLisner打开或关闭的服务来显示

Answer 1

要使LocationListener生效，您需要按以下方式request位置更新：

LocationManager lm = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 10, gps);  //time and distance as per your requirement. gps is your listener class object

当应用程序要销毁或在后台运行时，您可以使用removeLocationUpdates取消注册侦听器。取决于要求。

lm.removeUpdates(gps);

<强> BUT

您说您只是想要启用或禁用GPS通知。所以我建议你采用BroadcastReceiver方法。

在清单中，注册接收者：

<receiver android:name="com.pkg.MyReceiver">
    <intent-filter>
        <action android:name="android.location.PROVIDERS_CHANGED" />
    </intent-filter>
</receiver>

您的MyReceiver类：

public class MyReceiver   extends BroadcastReceiver
{   
    @Override
    public void onReceive( Context context, Intent intent )
    {
        final LocationManager manager = (LocationManager) context.getSystemService( Context.LOCATION_SERVICE );
        if (manager.isProviderEnabled( LocationManager.GPS_PROVIDER ) ) {
            //Show toast of enabled
        }
         else
         {
            //Show toast of disabled
         }
    }
}

如果您只想在应用程序位于前台时进行更新，请在活动的onResume中注册，然后在onPause中取消注册

希望这有帮助。

无法在android gps跟踪器中跟踪onProviderDisabled和Enabled

1 个答案: