From 41fa4bda516dd5dbe35c03c30c4e966fc629777a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Paczos?= <lukas.paczos@gmail.com>
Date: Tue, 22 Jan 2019 15:24:54 +0100
Subject: [android] fix CameraAnimatorActivity leaks

---
 .../activity/camera/CameraAnimatorActivity.java    | 61 ++++++++++------------
 1 file changed, 28 insertions(+), 33 deletions(-)

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/CameraAnimatorActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/CameraAnimatorActivity.java
index 48d61abc2a..e278d033be 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/CameraAnimatorActivity.java
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/camera/CameraAnimatorActivity.java
@@ -35,35 +35,30 @@ public class CameraAnimatorActivity extends AppCompatActivity implements OnMapRe
   private static final double ANIMATION_DELAY_FACTOR = 1.5;
   private static final LatLng START_LAT_LNG = new LatLng(37.787947, -122.407432);
 
-  private final LongSparseArray<AnimatorBuilder> animators = new LongSparseArray<AnimatorBuilder>() {
-    {
-      put(R.id.menu_action_accelerate_decelerate_interpolator, () -> {
-        AnimatorSet animatorSet = new AnimatorSet();
-        animatorSet.playTogether(
-          createLatLngAnimator(START_LAT_LNG, new LatLng(37.826715, -122.422795)),
-          obtainExampleInterpolator(new FastOutSlowInInterpolator(), 2500)
-        );
-        return animatorSet;
-      });
-
-      put(R.id.menu_action_bounce_interpolator, () -> {
-        AnimatorSet animatorSet = new AnimatorSet();
-        animatorSet.playTogether(
-          createLatLngAnimator(START_LAT_LNG, new LatLng(37.787947, -122.407432)),
-          obtainExampleInterpolator(new BounceInterpolator(), 3750)
-        );
-        return animatorSet;
-      });
-
-      put(R.id.menu_action_anticipate_overshoot_interpolator, () ->
-        obtainExampleInterpolator(new AnticipateOvershootInterpolator(), 2500)
-      );
-
-      put(R.id.menu_action_path_interpolator, () -> obtainExampleInterpolator(
-        PathInterpolatorCompat.create(.22f, .68f, 0, 1.71f), 2500));
-    }
-  };
+  private final LongSparseArray<Animator> animators = new LongSparseArray<>();
+
+  {
+    AnimatorSet accelerateDecelerateAnimatorSet = new AnimatorSet();
+    accelerateDecelerateAnimatorSet.playTogether(
+      createLatLngAnimator(START_LAT_LNG, new LatLng(37.826715, -122.422795)),
+      obtainExampleInterpolator(new FastOutSlowInInterpolator(), 2500)
+    );
+    animators.put(R.id.menu_action_accelerate_decelerate_interpolator, accelerateDecelerateAnimatorSet);
 
+    AnimatorSet bounceAnimatorSet = new AnimatorSet();
+    bounceAnimatorSet.playTogether(
+      createLatLngAnimator(START_LAT_LNG, new LatLng(37.787947, -122.407432)),
+      obtainExampleInterpolator(new BounceInterpolator(), 3750)
+    );
+    animators.put(R.id.menu_action_bounce_interpolator, bounceAnimatorSet);
+
+    animators.put(R.id.menu_action_anticipate_overshoot_interpolator,
+      obtainExampleInterpolator(new AnticipateOvershootInterpolator(), 2500)
+    );
+
+    animators.put(R.id.menu_action_path_interpolator, obtainExampleInterpolator(
+      PathInterpolatorCompat.create(.22f, .68f, 0, 1.71f), 2500));
+  }
 
   private MapView mapView;
   private MapboxMap mapboxMap;
@@ -161,7 +156,7 @@ public class CameraAnimatorActivity extends AppCompatActivity implements OnMapRe
   //
 
   private Animator obtainExampleInterpolator(int menuItemId) {
-    return animators.get(menuItemId).build();
+    return animators.get(menuItemId);
   }
 
   @Override
@@ -198,6 +193,7 @@ public class CameraAnimatorActivity extends AppCompatActivity implements OnMapRe
   private void playAnimation(int itemId) {
     Animator animator = obtainExampleInterpolator(itemId);
     if (animator != null) {
+      animator.cancel();
       animator.start();
     }
   }
@@ -238,6 +234,9 @@ public class CameraAnimatorActivity extends AppCompatActivity implements OnMapRe
   protected void onStop() {
     super.onStop();
     mapView.onStop();
+    for (int i = 0; i < animators.size(); i++) {
+      animators.get(animators.keyAt(i)).cancel();
+    }
   }
 
   @Override
@@ -274,8 +273,4 @@ public class CameraAnimatorActivity extends AppCompatActivity implements OnMapRe
       return latLng;
     }
   }
-
-  interface AnimatorBuilder {
-    Animator build();
-  }
 }
-- 
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