Update app version

Gracefully handle package downgrade (fix #350)

app/build.gradle

@@ -9,8 +9,8 @@ android {
         buildConfigField "boolean", "HIDDEN_APP", "false"
         minSdkVersion 15
         targetSdkVersion 28
-        versionCode 48
-        versionName '5.11'
+        versionCode 50
+        versionName '5.13'
     }
 
     lintOptions {
@@ -35,12 +35,11 @@ android {
 }
 
 dependencies {
-    implementation 'com.android.support:design:28.0.0-rc01'
-    implementation 'com.mapzen.android:lost:3.0.4'
+    implementation 'com.android.support:design:28.0.0-rc02'
     testImplementation 'junit:junit:4.12'
     testImplementation 'org.robolectric:robolectric:3.8'
-    googleImplementation 'com.google.firebase:firebase-core:16.0.1'
-    googleImplementation 'com.crashlytics.sdk.android:crashlytics:2.9.4'
+    googleImplementation 'com.google.firebase:firebase-core:16.0.3'
+    googleImplementation 'com.crashlytics.sdk.android:crashlytics:2.9.5'
 }
 
 if (getGradle().getStartParameter().getTaskRequests().toString().contains("Google")) {

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

@@ -90,6 +90,11 @@ public class DatabaseHelper extends SQLiteOpenHelper {
         onCreate(db);
     }
 
+    public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        db.execSQL("DROP TABLE IF EXISTS position;");
+        onCreate(db);
+    }
+
     public void insertPosition(Position position) {
         ContentValues values = new ContentValues();
         values.put("deviceId", position.getDeviceId());

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

@@ -1,33 +0,0 @@
-/*
- * Copyright 2017 Anton Tananaev (anton@traccar.org)
- *
- * 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;
-
-public final class DistanceCalculator {
-
-    private static final double EQUATORIAL_EARTH_RADIUS = 6378.1370;
-    private static final double DEG_TO_RAD = Math.PI / 180;
-
-    public static double distance(double lat1, double lon1, double lat2, double lon2) {
-        double dlong = (lon2 - lon1) * DEG_TO_RAD;
-        double dlat = (lat2 - lat1) * DEG_TO_RAD;
-        double a = Math.pow(Math.sin(dlat / 2), 2)
-                + Math.cos(lat1 * DEG_TO_RAD) * Math.cos(lat2 * DEG_TO_RAD) * Math.pow(Math.sin(dlong / 2), 2);
-        double c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
-        double d = EQUATORIAL_EARTH_RADIUS * c;
-        return d * 1000;
-    }
-
-}

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

@@ -20,17 +20,18 @@ import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
+import android.location.Criteria;
 import android.location.Location;
+import android.location.LocationListener;
+import android.location.LocationManager;
 import android.os.BatteryManager;
+import android.os.Bundle;
+import android.os.Looper;
 import android.preference.PreferenceManager;
 import android.util.Log;
+import android.widget.Toast;
 
-import com.mapzen.android.lost.api.LocationListener;
-import com.mapzen.android.lost.api.LocationRequest;
-import com.mapzen.android.lost.api.LocationServices;
-import com.mapzen.android.lost.api.LostApiClient;
-
-public class PositionProvider implements LostApiClient.ConnectionCallbacks, LocationListener {
+public class PositionProvider implements LocationListener {
 
     private static final String TAG = PositionProvider.class.getSimpleName();
 
@@ -44,7 +45,7 @@ public class PositionProvider implements LostApiClient.ConnectionCallbacks, Loca
 
     private final Context context;
     private SharedPreferences preferences;
-    private LostApiClient apiClient;
+    private LocationManager locationManager;
 
     private String deviceId;
     private long interval;
@@ -53,12 +54,12 @@ public class PositionProvider implements LostApiClient.ConnectionCallbacks, Loca
 
     private Location lastLocation;
 
-    private boolean started;
-
     public PositionProvider(Context context, PositionListener listener) {
         this.context = context;
         this.listener = listener;
 
+        locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
+
         preferences = PreferenceManager.getDefaultSharedPreferences(context);
 
         deviceId = preferences.getString(MainFragment.KEY_DEVICE, "undefined");
@@ -67,41 +68,42 @@ public class PositionProvider implements LostApiClient.ConnectionCallbacks, Loca
         angle = Integer.parseInt(preferences.getString(MainFragment.KEY_ANGLE, "0"));
     }
 
+    @SuppressLint("MissingPermission")
     public void startUpdates() {
-        started = true;
-        apiClient = new LostApiClient.Builder(context).addConnectionCallbacks(this).build();
-        apiClient.connect();
+        try {
+            locationManager.requestLocationUpdates(
+                    distance > 0 || angle > 0 ? MINIMUM_INTERVAL : interval, 0,
+                    getCriteria(preferences.getString(MainFragment.KEY_ACCURACY, "medium")),
+                    this, Looper.myLooper());
+        } catch (RuntimeException e) {
+            Toast.makeText(context, e.getMessage(), Toast.LENGTH_LONG).show();
+        }
     }
 
-    private int getPriority(String accuracy) {
+    public static Criteria getCriteria(String accuracy) {
+        Criteria criteria = new Criteria();
         switch (accuracy) {
             case "high":
-                return LocationRequest.PRIORITY_HIGH_ACCURACY;
+                criteria.setHorizontalAccuracy(Criteria.ACCURACY_HIGH);
+                criteria.setPowerRequirement(Criteria.POWER_HIGH);
+                break;
             case "low":
-                return LocationRequest.PRIORITY_LOW_POWER;
+                criteria.setHorizontalAccuracy(Criteria.ACCURACY_LOW);
+                criteria.setPowerRequirement(Criteria.POWER_LOW);
+                break;
             default:
-                return LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY;
-        }
-    }
-
-    @SuppressLint("MissingPermission")
-    @Override
-    public void onConnected() {
-        if (started) {
-            LocationRequest request = LocationRequest.create()
-                    .setPriority(getPriority(preferences.getString(MainFragment.KEY_ACCURACY, "medium")))
-                    .setInterval(distance > 0 || angle > 0 ? MINIMUM_INTERVAL : interval);
-            LocationServices.FusedLocationApi.requestLocationUpdates(apiClient, request, this);
-        } else {
-            apiClient.disconnect();
+                criteria.setHorizontalAccuracy(Criteria.ACCURACY_MEDIUM);
+                criteria.setPowerRequirement(Criteria.POWER_MEDIUM);
+                break;
         }
+        return criteria;
     }
 
     @Override
     public void onLocationChanged(Location location) {
         if (location != null && (lastLocation == null
                 || location.getTime() - lastLocation.getTime() >= interval
-                || distance > 0 && DistanceCalculator.distance(location.getLatitude(), location.getLongitude(), lastLocation.getLatitude(), lastLocation.getLongitude()) >= distance
+                || distance > 0 && location.distanceTo(lastLocation) >= distance
                 || angle > 0 && Math.abs(location.getBearing() - lastLocation.getBearing()) >= angle)) {
             Log.i(TAG, "location new");
             lastLocation = location;
@@ -112,16 +114,19 @@ public class PositionProvider implements LostApiClient.ConnectionCallbacks, Loca
     }
 
     @Override
-    public void onConnectionSuspended() {
-        Log.i(TAG, "lost client suspended");
+    public void onStatusChanged(String provider, int status, Bundle extras) {
+    }
+
+    @Override
+    public void onProviderEnabled(String provider) {
+    }
+
+    @Override
+    public void onProviderDisabled(String provider) {
     }
 
     public void stopUpdates() {
-        if (apiClient.isConnected()) {
-            LocationServices.FusedLocationApi.removeLocationUpdates(apiClient, this);
-            apiClient.disconnect();
-        }
-        started = false;
+        locationManager.removeUpdates(this);
     }
 
     public static double getBatteryLevel(Context context) {

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

@@ -15,10 +15,16 @@
  */
 package org.traccar.client;
 
+import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.location.Criteria;
 import android.location.Location;
+import android.location.LocationListener;
+import android.location.LocationManager;
 import android.os.Bundle;
+import android.os.Looper;
 import android.preference.PreferenceManager;
 import android.support.annotation.DrawableRes;
 import android.support.v4.content.ContextCompat;
@@ -32,10 +38,7 @@ import android.widget.ArrayAdapter;
 import android.widget.ListView;
 import android.widget.Toast;
 
-import com.mapzen.android.lost.api.LocationServices;
-import com.mapzen.android.lost.api.LostApiClient;
-
-public class ShortcutActivity extends AppCompatActivity implements LostApiClient.ConnectionCallbacks {
+public class ShortcutActivity extends AppCompatActivity {
 
     public static final String EXTRA_ACTION = "action";
     public static final String ACTION_START = "start";
@@ -44,8 +47,6 @@ public class ShortcutActivity extends AppCompatActivity implements LostApiClient
 
     private static final String ALARM_SOS = "sos";
 
-    private LostApiClient apiClient;
-
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -102,20 +103,46 @@ public class ShortcutActivity extends AppCompatActivity implements LostApiClient
         setResult(RESULT_OK, ShortcutManagerCompat.createShortcutResultIntent(this, shortcut));
     }
 
+    @SuppressWarnings("MissingPermission")
     private void sendAlarm() {
-        apiClient = new LostApiClient.Builder(this).addConnectionCallbacks(this).build();
-        apiClient.connect();
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
+        LocationManager locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE);
+
+        Criteria criteria = PositionProvider.getCriteria(
+                preferences.getString(MainFragment.KEY_ACCURACY, "medium"));
+
+        try {
+            Location location = locationManager.getLastKnownLocation(locationManager.getBestProvider(criteria, true));
+            if (location != null) {
+                sendAlarmLocation(location);
+            } else {
+                locationManager.requestSingleUpdate(criteria, new LocationListener() {
+                    @Override
+                    public void onLocationChanged(Location location) {
+                        sendAlarmLocation(location);
                     }
 
-    @SuppressWarnings("MissingPermission")
                     @Override
-    public void onConnected() {
+                    public void onStatusChanged(String provider, int status, Bundle extras) {
+                    }
+
+                    @Override
+                    public void onProviderEnabled(String provider) {
+                    }
+
+                    @Override
+                    public void onProviderDisabled(String provider) {
+                    }
+                }, Looper.myLooper());
+            }
+        } catch (RuntimeException e) {
+            Toast.makeText(this, e.getMessage(), Toast.LENGTH_LONG).show();
+        }
+    }
+
+    private void sendAlarmLocation(Location location) {
         SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
 
-        Location location = LocationServices.FusedLocationApi.getLastLocation(apiClient);
-
-        if (location != null) {
-
         Position position = new Position(
                 preferences.getString(MainFragment.KEY_DEVICE, null),
                 location, PositionProvider.getBatteryLevel(this));
@@ -133,16 +160,6 @@ public class ShortcutActivity extends AppCompatActivity implements LostApiClient
                 }
             }
         });
-
-        } else {
-            Toast.makeText(this, R.string.status_send_fail, Toast.LENGTH_SHORT).show();
-        }
-
-        apiClient.disconnect();
-    }
-
-    @Override
-    public void onConnectionSuspended() {
     }
 
     private boolean executeAction(Intent intent) {
@@ -168,7 +185,12 @@ public class ShortcutActivity extends AppCompatActivity implements LostApiClient
                     Toast.makeText(this, R.string.status_service_destroy, Toast.LENGTH_SHORT).show();
                     break;
                 case ACTION_SOS:
+                    if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
+                            && ContextCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
                         sendAlarm();
+                    } else {
+                        Toast.makeText(this, R.string.status_send_fail, Toast.LENGTH_SHORT).show();
+                    }
                     break;
             }
             finish();

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

@@ -43,7 +43,7 @@ public class StatusActivity extends AppCompatActivity {
     }
 
     public static void addMessage(String message) {
-        DateFormat format = DateFormat.getTimeInstance(DateFormat.SHORT);
+        DateFormat format = DateFormat.getTimeInstance(DateFormat.MEDIUM);
         message = format.format(new Date()) + " - " + message;
         messages.add(message);
         while (messages.size() > LIMIT) {

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

@@ -78,15 +78,18 @@ public class TrackingService extends Service {
         Log.i(TAG, "service create");
         StatusActivity.addMessage(getString(R.string.status_service_create));
 
+        startForeground(NOTIFICATION_ID, createNotification(this));
+
         if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED
                 && ContextCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED) {
             trackingController = new TrackingController(this);
             trackingController.start();
         }
 
-        startForeground(NOTIFICATION_ID, createNotification(this));
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
             ContextCompat.startForegroundService(this, new Intent(this, HideNotificationService.class));
         }
+    }
 
     @Override
     public IBinder onBind(Intent intent) {