Implement rating flow

app/build.gradle

@@ -46,7 +46,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.google.android.material:material:1.3.0-alpha02'
+    implementation 'com.google.android.material:material:1.3.0-alpha03'
     implementation 'androidx.multidex:multidex:2.0.1'
     implementation 'androidx.preference:preference:1.1.1'
     testImplementation 'junit:junit:4.13'
@@ -55,6 +55,7 @@ dependencies {
     googleImplementation 'com.google.firebase:firebase-crashlytics-gradle:2.3.0'
     googleImplementation 'com.google.firebase:firebase-analytics:17.5.0'
     googleImplementation 'com.google.android.gms:play-services-location:17.1.0'
+    googleImplementation 'com.google.android.play:core:1.8.2'
 }
 
 if (getGradle().getStartParameter().getTaskRequests().toString().contains('Google')) {

app/src/google/java/org/traccar/client/GoogleMainApplication.java

@@ -15,16 +15,55 @@
  */
 package org.traccar.client;
 
+import android.app.Activity;
+import android.content.IntentFilter;
+import android.content.SharedPreferences;
+import android.os.Build;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.RequiresApi;
+import androidx.preference.PreferenceManager;
+
+import com.google.android.play.core.review.ReviewManager;
+import com.google.android.play.core.review.ReviewManagerFactory;
+import com.google.android.play.core.tasks.Task;
 import com.google.firebase.analytics.FirebaseAnalytics;
 
 public class GoogleMainApplication extends MainApplication {
 
+    private static final String KEY_RATING_SHOWN = "ratingShown";
+    private static final long RATING_THRESHOLD = -24 * 60 * 60 * 1000L;
+
     private FirebaseAnalytics firebaseAnalytics;
 
     @Override
     public void onCreate() {
         super.onCreate();
         firebaseAnalytics = FirebaseAnalytics.getInstance(this);
+
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(TrackingService.ACTION_STARTED);
+        filter.addAction(TrackingService.ACTION_STOPPED);
+        registerReceiver(new ServiceReceiver(), filter);
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP_MR1)
+    @Override
+    public void handleRatingFlow(@NonNull Activity activity) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(this);
+        boolean ratingShown = preferences.getBoolean(KEY_RATING_SHOWN, false);
+        long totalDuration = preferences.getLong(ServiceReceiver.KEY_DURATION, 0);
+        if (!ratingShown && totalDuration > RATING_THRESHOLD) {
+            ReviewManager reviewManager = ReviewManagerFactory.create(activity);
+            reviewManager.requestReviewFlow().addOnCompleteListener(infoTask -> {
+                if (infoTask.isSuccessful()) {
+                    Task<Void> flow = reviewManager.launchReviewFlow(activity, infoTask.getResult());
+                    flow.addOnCompleteListener(flowTask -> {
+                        preferences.edit().putBoolean(KEY_RATING_SHOWN, true).apply();
+                    });
+                }
+            });
+        }
     }
 
 }

app/src/google/java/org/traccar/client/ServiceReceiver.java

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2020 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;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+
+import androidx.preference.PreferenceManager;
+
+public class ServiceReceiver extends BroadcastReceiver {
+
+    public static final String KEY_DURATION = "serviceTime";
+
+    private static long startTime = 0;
+    
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if (TrackingService.ACTION_STARTED.equals(intent.getAction())) {
+            startTime = System.currentTimeMillis();
+        } else {
+            if (startTime > 0) {
+                updateTime(context, System.currentTimeMillis() - startTime);
+                startTime = 0;
+            }
+        }
+    }
+
+    private void updateTime(Context context, long duration) {
+        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
+        long totalDuration = preferences.getLong(KEY_DURATION, 0);
+        preferences.edit().putLong(KEY_DURATION, totalDuration + duration).apply();
+    }
+
+}

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

@@ -16,6 +16,7 @@
 package org.traccar.client;
 
 import android.annotation.TargetApi;
+import android.app.Activity;
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
@@ -26,6 +27,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.preference.PreferenceManager;
 
+import androidx.annotation.NonNull;
 import androidx.multidex.MultiDexApplication;
 
 public class MainApplication extends MultiDexApplication {
@@ -71,4 +73,7 @@ public class MainApplication extends MultiDexApplication {
         }
     }
 
+    public void handleRatingFlow(@NonNull Activity activity) {
+    }
+
 }

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

@@ -218,6 +218,7 @@ public class MainFragment extends PreferenceFragmentCompat implements OnSharedPr
             } else {
                 stopTrackingService();
             }
+            ((MainApplication) getActivity().getApplication()).handleRatingFlow(getActivity());
         } else if (key.equals(KEY_DEVICE)) {
             findPreference(KEY_DEVICE).setSummary(sharedPreferences.getString(KEY_DEVICE, null));
         }

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012 - 2019 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2020 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.
@@ -34,6 +34,9 @@ import android.util.Log;
 
 public class TrackingService extends Service {
 
+    public static final String ACTION_STARTED = "org.traccar.action.SERVICE_STARTED";
+    public static final String ACTION_STOPPED = "org.traccar.action.SERVICE_STOPPED";
+
     private static final String TAG = TrackingService.class.getSimpleName();
     private static final int NOTIFICATION_ID = 1;
 
@@ -82,6 +85,7 @@ public class TrackingService extends Service {
     @Override
     public void onCreate() {
         Log.i(TAG, "service create");
+        sendBroadcast(new Intent(ACTION_STARTED));
         StatusActivity.addMessage(getString(R.string.status_service_create));
 
         startForeground(NOTIFICATION_ID, createNotification(this));
@@ -120,6 +124,7 @@ public class TrackingService extends Service {
     @Override
     public void onDestroy() {
         Log.i(TAG, "service destroy");
+        sendBroadcast(new Intent(ACTION_STOPPED));
         StatusActivity.addMessage(getString(R.string.status_service_destroy));
 
         stopForeground(true);