Update version number

app/build.gradle

@@ -9,8 +9,8 @@ android {
         buildConfigField "boolean", "HIDDEN_APP", "false"
         minSdkVersion 14
         targetSdkVersion 26
-        versionCode 39
-        versionName '5.2'
+        versionCode 40
+        versionName '5.3'
     }
 
     lintOptions {

app/src/main/java/org/traccar/client/AutostartReceiver.java

@@ -19,7 +19,6 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
-import android.support.v4.content.WakefulBroadcastReceiver;
 
 public class AutostartReceiver extends WakefulBroadcastReceiver {
     

app/src/main/java/org/traccar/client/MixedPositionProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2015 - 2017 Anton Tananaev (anton.tananaev@gmail.com)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -75,8 +75,12 @@ public class MixedPositionProvider extends PositionProvider implements LocationL
                 }
             };
 
-            locationManager.requestLocationUpdates(
-                    LocationManager.NETWORK_PROVIDER, requestInterval, 0, backupListener);
+            try {
+                locationManager.requestLocationUpdates(
+                        LocationManager.NETWORK_PROVIDER, requestInterval, 0, backupListener);
+            } catch (IllegalArgumentException e) {
+                Log.w(TAG, e);
+            }
         }
     }
 

app/src/main/java/org/traccar/client/WakefulBroadcastReceiver.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.traccar.client;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.os.PowerManager;
+import android.support.v4.content.ContextCompat;
+import android.util.SparseArray;
+
+public abstract class WakefulBroadcastReceiver extends BroadcastReceiver {
+    private static final String EXTRA_WAKE_LOCK_ID = "android.support.content.wakelockid";
+    private static final SparseArray<PowerManager.WakeLock> mActiveWakeLocks = new SparseArray<>();
+    private static int mNextId = 1;
+
+    public static void startWakefulService(Context context, Intent intent) {
+        synchronized (mActiveWakeLocks) {
+            int id = mNextId;
+            mNextId++;
+            if (mNextId <= 0) {
+                mNextId = 1;
+            }
+            intent.putExtra(EXTRA_WAKE_LOCK_ID, id);
+            ContextCompat.startForegroundService(context, intent);
+            PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
+            PowerManager.WakeLock wl = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
+                    WakefulBroadcastReceiver.class.getSimpleName());
+            wl.setReferenceCounted(false);
+            wl.acquire(60*1000);
+            mActiveWakeLocks.put(id, wl);
+        }
+    }
+
+    public static boolean completeWakefulIntent(Intent intent) {
+        final int id = intent.getIntExtra(EXTRA_WAKE_LOCK_ID, 0);
+        if (id == 0) {
+            return false;
+        }
+        synchronized (mActiveWakeLocks) {
+            PowerManager.WakeLock wl = mActiveWakeLocks.get(id);
+            if (wl != null) {
+                wl.release();
+                mActiveWakeLocks.remove(id);
+                return true;
+            }
+            return true;
+        }
+    }
+}