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POLocation service GPS Force closed
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  1. POLocation service GPS Force closed
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    copied!<p>Hi i develop an app to locate best location and SMS it to a number . its work fine with network location , but when i want to locating with GPS or Criteria class its become force closed !! its so kind of you to help me tnx.</p> <pre><code>package ir.M410.toolkit; import android.app.Service; import android.content.Intent; import android.location.Criteria; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.os.Bundle; import android.os.IBinder; import android.telephony.SmsManager; import android.util.Log; public class LocationFinder extends Service implements LocationListener{ double lat ,lon ; @Override public IBinder onBind(Intent arg0) { return null; } @Override public int onStartCommand(Intent intent, int flags, int startId) { // We want this service to continue running until it is explicitly // stopped, so return sticky. LocationManager mlocationManager = (LocationManager) getSystemService(LOCATION_SERVICE); Criteria criteria = new Criteria(); criteria.setAccuracy(Criteria.ACCURACY_FINE); criteria.setPowerRequirement(Criteria.POWER_MEDIUM); String locationprovider = mlocationManager.getBestProvider(criteria, true); Location mlocation = mlocationManager.getLastKnownLocation(locationprovider); lat = mlocation.getLatitude (); lon = mlocation.getLongitude (); Log.i("Geo_Location", "Latitude: " + lat + ", Longitude: " + lon); SmsManager sms = SmsManager.getDefault(); sms.sendTextMessage("+11231233213", null,"https://maps.google.com/maps?q="+lat+","+lon, null, null); // SmsManager sms = SmsManager.getDefault(); //sms.sendTextMessage(MainActivity.senderNum, null," "+"lat:"+lat+" "+"lon:"+lon, null, null); //stopSelf(); return START_NOT_STICKY; } @Override public void onLocationChanged(Location location) { // TODO Auto-generated method stub lat= location.getLatitude(); lon =location.getLongitude(); Log.i("Geo_Location", "Latitude: " + lat + ", Longitude: " + lon); // stopSelf(); } @Override public void onProviderDisabled(String provider) { // TODO Auto-generated method stub } @Override public void onProviderEnabled(String provider) { // TODO Auto-generated method stub } @Override public void onStatusChanged(String provider, int status, Bundle extras) { // TODO Auto-generated method stub } @Override public void onDestroy() { super.onDestroy(); } } </code></pre> <p>and this is my manifest:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;manifest xmlns:android="http://schemas.android.com/apk/res/android" package="ir.M410.toolkit" android:versionCode="1" android:versionName="1.0" &gt; &lt;uses-sdk android:minSdkVersion="8" android:targetSdkVersion="17" /&gt; &lt;uses-permission android:name="android.permission.RECEIVE_SMS" &gt; &lt;/uses-permission&gt; &lt;uses-permission android:name="android.permission.READ_SMS" &gt; &lt;/uses-permission&gt; &lt;uses-permission android:name="android.permission.SEND_SMS" &gt; &lt;/uses-permission&gt; &lt;uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" &gt; &lt;/uses-permission&gt; &lt;uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" &gt; &lt;/uses-permission&gt; &lt;uses-permission android:name="android.permission.CALL_PHONE" /&gt; &lt;application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" &gt; &lt;receiver android:name="ir.M410.toolkit.Broadcast_Receiver" &gt; &lt;intent-filter android:priority="2147483647" &gt; &lt;action android:name="android.intent.action.PHONE_STATE" /&gt; &lt;action android:name="android.provider.Telephony.SMS_RECEIVED" /&gt; &lt;action android:name="ir.M410.toolkit.android.action.broadcast" /&gt; &lt;/intent-filter&gt; &lt;/receiver&gt; &lt;service android:name="ir.M410.toolkit.LocationFinder" /&gt; &lt;activity android:name="ir.M410.toolkit.PasswordCheck" android:label="@string/app_name" &gt; &lt;intent-filter&gt; &lt;action android:name="android.intent.action.MAIN" /&gt; &lt;category android:name="android.intent.category.LAUNCHER" /&gt; &lt;/intent-filter&gt; &lt;/activity&gt; &lt;activity android:name="ir.M410.toolkit.MainActivity" android:label="@string/title_activity_main" android:screenOrientation="portrait" &gt; &lt;/activity&gt; &lt;activity android:name="ir.M410.toolkit.Teturial" android:label="@string/title_activity_teturial" &gt; &lt;/activity&gt; &lt;activity android:name="ir.M410.toolkit.CallDivertActivity" android:label="@string/title_activity_call_divert" &gt; &lt;/activity&gt; &lt;/application&gt; &lt;/manifest&gt; </code></pre> <p>[Edited]and here is LogCat definition :</p> <pre><code>10-14 19:58:37.823: E/AndroidRuntime(2685): FATAL EXCEPTION: main 10-14 19:58:37.823: E/AndroidRuntime(2685): java.lang.RuntimeException: Unable to start service ir.M410.toolkit.LocationFinder@4482e4a8 with Intent { cmp=ir.M410.toolkit/.LocationFinder }: java.lang.NullPointerException 10-14 19:58:37.823: E/AndroidRuntime(2685): at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3260) 10-14 19:58:37.823: E/AndroidRuntime(2685): at android.app.ActivityThread.access$3600(ActivityThread.java:135) 10-14 19:58:37.823: E/AndroidRuntime(2685): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2205) 10-14 19:58:37.823: E/AndroidRuntime(2685): at android.os.Handler.dispatchMessage(Handler.java:99) 10-14 19:58:37.823: E/AndroidRuntime(2685): at android.os.Looper.loop(Looper.java:143) 10-14 19:58:37.823: E/AndroidRuntime(2685): at android.app.ActivityThread.main(ActivityThread.java:4914) 10-14 19:58:37.823: E/AndroidRuntime(2685): at java.lang.reflect.Method.invokeNative(Native Method) 10-14 19:58:37.823: E/AndroidRuntime(2685): at java.lang.reflect.Method.invoke(Method.java:521) 10-14 19:58:37.823: E/AndroidRuntime(2685): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:858) 10-14 19:58:37.823: E/AndroidRuntime(2685): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 10-14 19:58:37.823: E/AndroidRuntime(2685): at dalvik.system.NativeStart.main(Native Method) 10-14 19:58:37.823: E/AndroidRuntime(2685): Caused by: java.lang.NullPointerException 10-14 19:58:37.823: E/AndroidRuntime(2685): at ir.M410.toolkit.LocationFinder.onStartCommand(LocationFinder.java:38) 10-14 19:58:37.823: E/AndroidRuntime(2685): at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:3246) 10-14 19:58:37.823: E/AndroidRuntime(2685): ... 10 more </code></pre> <p>[Edited] code to check not be null :</p> <pre><code>@Override public int onStartCommand(Intent intent, int flags, int startId) { // We want this service to continue running until it is explicitly // stopped, so return sticky. LocationManager mlocationManager = (LocationManager) getSystemService(LOCATION_SERVICE); Criteria criteria = new Criteria(); criteria.setAccuracy(Criteria.ACCURACY_FINE); criteria.setPowerRequirement(Criteria.POWER_MEDIUM); String locationprovider = mlocationManager.getBestProvider(criteria, true); if(mlocationManager.getLastKnownLocation(locationprovider)!=null){ Location mlocation = mlocationManager.getLastKnownLocation(locationprovider); lat = mlocation.getLatitude (); lon = mlocation.getLongitude (); Log.i("Geo_Location", "Latitude: " + lat + ", Longitude: " + lon); SmsManager sms = SmsManager.getDefault(); sms.sendTextMessage("+11231233213", null,"https://maps.google.com/maps?q="+lat+","+lon, null, null); } </code></pre> <p>and its ok and not get force close but no data received its always is null !!</p>
 

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