[android] #5934 - resolves memory leaks on animators + location listeners

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java

@@ -1493,6 +1493,14 @@ public class MapView extends FrameLayout {
         if (mMapboxMap.getUiSettings().isZoomControlsEnabled()) {
             mZoomButtonsController.setVisible(false);
         }
+
+        // make sure we don't leak location listener
+        if (mMyLocationListener != null) {
+            // cleanup to prevent memory leak
+            LocationServices services = LocationServices.getLocationServices(getContext());
+            services.removeLocationListener(mMyLocationListener);
+            mMyLocationListener = null;
+        }
     }
 
     // Called when view is hidden and shown

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/widgets/MyLocationView.java

@@ -320,11 +320,6 @@ public class MyLocationView extends View {
         setBearing(position.bearing);
     }
 
-    public void onPause() {
-        compassListener.onPause();
-        toggleGps(false);
-    }
-
     public void onResume() {
         if (myBearingTrackingMode == MyBearingTracking.COMPASS) {
             compassListener.onResume();
@@ -334,6 +329,37 @@ public class MyLocationView extends View {
         }
     }
 
+    public void onPause() {
+        compassListener.onPause();
+        toggleGps(false);
+    }
+
+    @Override
+    protected void onDetachedFromWindow() {
+        super.onDetachedFromWindow();
+        // cleanup to prevent memory leaks
+        if (locationChangeAnimator != null) {
+            locationChangeAnimator.cancel();
+            locationChangeAnimator = null;
+        }
+
+        if (accuracyAnimator != null) {
+            accuracyAnimator.cancel();
+            accuracyAnimator = null;
+        }
+
+        if (directionAnimator != null) {
+            directionAnimator.cancel();
+            directionAnimator = null;
+        }
+
+        if (userLocationListener != null) {
+            LocationServices services = LocationServices.getLocationServices(getContext());
+            services.removeLocationListener(userLocationListener);
+            userLocationListener = null;
+        }
+    }
+
     public void update() {
         if (isEnabled()) {
             myLocationBehavior.invalidate();

platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/userlocation/MyLocationTintActivity.java

@@ -60,7 +60,7 @@ public class MyLocationTintActivity extends AppCompatActivity implements Locatio
                 final MyLocationViewSettings myLocationViewSettings = mapboxMap.getMyLocationViewSettings();
 
                 // handle default button clicks
-                ViewUtils.attachClickListener(MyLocationTintActivity.this, R.id.default_user_dot_coloring_button,new View.OnClickListener() {
+                ViewUtils.attachClickListener(MyLocationTintActivity.this, R.id.default_user_dot_coloring_button, new View.OnClickListener() {
                     @Override
                     public void onClick(View view) {
                         myLocationViewSettings.setAccuracyTintColor(ContextCompat.getColor(MyLocationTintActivity.this, R.color.my_location_ring));
@@ -69,7 +69,7 @@ public class MyLocationTintActivity extends AppCompatActivity implements Locatio
                 });
 
                 // handle tint user dot button clicks
-                ViewUtils.attachClickListener(MyLocationTintActivity.this, R.id.tint_user_dot_button,new View.OnClickListener() {
+                ViewUtils.attachClickListener(MyLocationTintActivity.this, R.id.tint_user_dot_button, new View.OnClickListener() {
                     @Override
                     public void onClick(View view) {
                         myLocationViewSettings.setAccuracyTintColor(ContextCompat.getColor(MyLocationTintActivity.this, R.color.mapbox_green));
@@ -78,7 +78,7 @@ public class MyLocationTintActivity extends AppCompatActivity implements Locatio
                 });
 
                 // handle tint accuracy ring button clicks
-                ViewUtils.attachClickListener(MyLocationTintActivity.this, R.id.user_accuracy_ring_tint_button,new View.OnClickListener() {
+                ViewUtils.attachClickListener(MyLocationTintActivity.this, R.id.user_accuracy_ring_tint_button, new View.OnClickListener() {
                     @Override
                     public void onClick(View view) {
                         myLocationViewSettings.setAccuracyTintColor(ContextCompat.getColor(MyLocationTintActivity.this, R.color.accent));
@@ -88,7 +88,6 @@ public class MyLocationTintActivity extends AppCompatActivity implements Locatio
             }
         });
 
-        LocationServices.getLocationServices(this).addLocationListener(this);
     }
 
     @Override
@@ -99,6 +98,12 @@ public class MyLocationTintActivity extends AppCompatActivity implements Locatio
         }
     }
 
+    @Override
+    protected void onStart() {
+        super.onStart();
+        LocationServices.getLocationServices(this).addLocationListener(this);
+    }
+
     @Override
     public void onResume() {
         super.onResume();
@@ -111,6 +116,12 @@ public class MyLocationTintActivity extends AppCompatActivity implements Locatio
         mapView.onPause();
     }
 
+    @Override
+    protected void onStop() {
+        super.onStop();
+        LocationServices.getLocationServices(this).removeLocationListener(this);
+    }
+
     @Override
     public void onLowMemory() {
         super.onLowMemory();
@@ -180,7 +191,7 @@ public class MyLocationTintActivity extends AppCompatActivity implements Locatio
 
         public static void attachClickListener(@NonNull Activity activity, @IdRes int buttonId, @Nullable View.OnClickListener clickListener) {
             View view = activity.findViewById(buttonId);
-            if(view!=null){
+            if (view != null) {
                 view.setOnClickListener(clickListener);
             }
         }

platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/userlocation/MyLocationTrackingModeActivity.java

@@ -20,12 +20,12 @@ import android.widget.AdapterView;
 import android.widget.ArrayAdapter;
 import android.widget.Spinner;
 import android.widget.Toast;
+
 import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
 import com.mapbox.mapboxsdk.constants.MapboxConstants;
 import com.mapbox.mapboxsdk.constants.MyBearingTracking;
 import com.mapbox.mapboxsdk.constants.MyLocationTracking;
 import com.mapbox.mapboxsdk.geometry.LatLng;
-import com.mapbox.mapboxsdk.location.LocationServices;
 import com.mapbox.mapboxsdk.maps.MapView;
 import com.mapbox.mapboxsdk.maps.MapboxMap;
 import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
@@ -145,7 +145,7 @@ public class MyLocationTrackingModeActivity extends AppCompatActivity implements
         }
     }
 
-    private void setInitialPosition(LatLng latLng){
+    private void setInitialPosition(LatLng latLng) {
         mMapboxMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLng, 14));
         mMapboxMap.setMyLocationEnabled(true);
         mLocationSpinner.setEnabled(true);
@@ -274,6 +274,7 @@ public class MyLocationTrackingModeActivity extends AppCompatActivity implements
                 mMapboxMap.getTrackingSettings().setDismissBearingTrackingOnGesture(state);
                 Toast.makeText(this, "Dismiss bearing mode on gesture = " + state, Toast.LENGTH_SHORT).show();
                 item.setChecked(state);
+                return true;
             default:
                 return super.onOptionsItemSelected(item);
         }