Show different icon when user has notifications, fix #184

app/src/main/java/app/insti/activity/MainActivity.java

@@ -37,6 +37,8 @@ import com.google.firebase.iid.InstanceIdResult;
 import com.google.gson.JsonObject;
 import com.squareup.picasso.Picasso;
 
+import java.util.List;
+
 import app.insti.Constants;
 import app.insti.R;
 import app.insti.SessionManager;
@@ -44,6 +46,7 @@ import app.insti.api.RetrofitInterface;
 import app.insti.api.ServiceGenerator;
 import app.insti.data.Body;
 import app.insti.data.Event;
+import app.insti.data.Notification;
 import app.insti.data.Role;
 import app.insti.data.User;
 import app.insti.fragment.BackHandledFragment;
@@ -83,6 +86,7 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
     private User currentUser;
     private boolean showNotifications = false;
     private BackHandledFragment selectedFragment;
+    private Menu menu;
 
     public static void hideKeyboard(Activity activity) {
         InputMethodManager imm = (InputMethodManager) activity.getSystemService(Activity.INPUT_METHOD_SERVICE);
@@ -136,11 +140,34 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
             }
         }
 
+        fetchNotifications();
+
         checkLatestVersion();
 
         NotificationEventReceiver.setupAlarm(getApplicationContext());
     }
 
+    private void fetchNotifications() {
+        RetrofitInterface retrofitInterface = ServiceGenerator.createService(RetrofitInterface.class);
+        retrofitInterface.getNotifications(getSessionIDHeader()).enqueue(new Callback<List<Notification>>() {
+            @Override
+            public void onResponse(Call<List<Notification>> call, Response<List<Notification>> response) {
+                if (response.isSuccessful()) {
+                    List<Notification> notifications = response.body();
+                    if (notifications != null && !notifications.isEmpty()) {
+                        menu.findItem(R.id.action_notifications).setIcon(R.drawable.baseline_notifications_active_white_24);
+                    } else {
+                        menu.findItem(R.id.action_notifications).setIcon(R.drawable.ic_notifications_white_24dp);
+                    }
+                }
+            }
+
+            @Override
+            public void onFailure(Call<List<Notification>> call, Throwable t) {
+            }
+        });
+    }
+
     private void checkLatestVersion() {
         try {
             PackageInfo pInfo = this.getPackageManager().getPackageInfo(getPackageName(), 0);
@@ -366,7 +393,9 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         // Inflate the menu; this adds items to the action bar if it is present.
-        getMenuInflater().inflate(R.menu.main, menu);
+        this.menu = menu;
+        fetchNotifications();
+        getMenuInflater().inflate(R.menu.main, this.menu);
         return true;
     }
 

app/src/main/res/drawable/baseline_notifications_active_24.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0"
+        android:tint="?attr/colorControlNormal">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M7.58,4.08L6.15,2.65C3.75,4.48 2.17,7.3 2.03,10.5h2c0.15,-2.65 1.51,-4.97 3.55,-6.42zM19.97,10.5h2c-0.15,-3.2 -1.73,-6.02 -4.12,-7.85l-1.42,1.43c2.02,1.45 3.39,3.77 3.54,6.42zM18,11c0,-3.07 -1.64,-5.64 -4.5,-6.32L13.5,4c0,-0.83 -0.67,-1.5 -1.5,-1.5s-1.5,0.67 -1.5,1.5v0.68C7.63,5.36 6,7.92 6,11v5l-2,2v1h16v-1l-2,-2v-5zM12,22c0.14,0 0.27,-0.01 0.4,-0.04 0.65,-0.14 1.18,-0.58 1.44,-1.18 0.1,-0.24 0.15,-0.5 0.15,-0.78h-4c0.01,1.1 0.9,2 2.01,2z"/>
+</vector>