From fbbdd1725bcdebaee7c0c65896a0089506321aa0 Mon Sep 17 00:00:00 2001
From: Tobrun <tobrun.van.nuland@gmail.com>
Date: Fri, 8 Dec 2017 17:32:27 +0100
Subject: [android] - post animation callback invocation

---
 .../java/com/mapbox/mapboxsdk/maps/MapboxMap.java  | 41 +++++++++-------------
 .../java/com/mapbox/mapboxsdk/maps/Transform.java  | 23 +++++++++---
 2 files changed, 36 insertions(+), 28 deletions(-)

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java
index 6bf8342efb..c9bccab07d 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java
@@ -710,19 +710,21 @@ public final class MapboxMap {
    * @param callback the callback to be invoked when an animation finishes or is canceled
    */
   public final void moveCamera(final CameraUpdate update, final MapboxMap.CancelableCallback callback) {
-    new Handler().post(new Runnable() {
-      @Override
-      public void run() {
-        transform.moveCamera(MapboxMap.this, update, callback);
-        // MapChange.REGION_DID_CHANGE_ANIMATED is not called for `jumpTo`
-        // invalidate camera position to provide OnCameraChange event.
-        invalidateCameraPosition();
-
-        if (callback != null) {
-          callback.onFinish();
+    transform.moveCamera(MapboxMap.this, update, callback);
+    // MapChange.REGION_DID_CHANGE_ANIMATED is not called for `jumpTo`
+    // invalidate camera position to provide OnCameraChange event.
+    invalidateCameraPosition();
+
+    if (callback != null) {
+      new Handler().post(new Runnable() {
+        @Override
+        public void run() {
+          if (callback != null) {
+            callback.onFinish();
+          }
         }
-      }
-    });
+      });
+    }
   }
 
   /**
@@ -846,12 +848,7 @@ public final class MapboxMap {
     if (durationMs <= 0) {
       throw new IllegalArgumentException("Null duration passed into easeCamera");
     }
-    new Handler().post(new Runnable() {
-      @Override
-      public void run() {
-        transform.easeCamera(MapboxMap.this, update, durationMs, easingInterpolator, callback, isDismissable);
-      }
-    });
+    transform.easeCamera(MapboxMap.this, update, durationMs, easingInterpolator, callback, isDismissable);
   }
 
   /**
@@ -921,12 +918,8 @@ public final class MapboxMap {
     if (durationMs <= 0) {
       throw new IllegalArgumentException("Null duration passed into animageCamera");
     }
-    new Handler().post(new Runnable() {
-      @Override
-      public void run() {
-        transform.animateCamera(MapboxMap.this, update, durationMs, callback);
-      }
-    });
+
+    transform.animateCamera(MapboxMap.this, update, durationMs, callback);
   }
 
   /**
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Transform.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Transform.java
index 16c45ebea2..0d3f0d5e5b 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Transform.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Transform.java
@@ -1,6 +1,7 @@
 package com.mapbox.mapboxsdk.maps;
 
 import android.graphics.PointF;
+import android.os.Handler;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.annotation.UiThread;
@@ -82,8 +83,15 @@ final class Transform implements MapView.OnMapChangedListener {
     if (change == REGION_DID_CHANGE_ANIMATED) {
       updateCameraPosition(invalidateCameraPosition());
       if (cameraCancelableCallback != null) {
-        cameraCancelableCallback.onFinish();
-        cameraCancelableCallback = null;
+        new Handler().post(new Runnable() {
+          @Override
+          public void run() {
+            if (cameraCancelableCallback != null) {
+              cameraCancelableCallback.onFinish();
+              cameraCancelableCallback = null;
+            }
+          }
+        });
       }
       cameraChangeDispatcher.onCameraIdle();
       mapView.removeOnMapChangedListener(this);
@@ -175,8 +183,15 @@ final class Transform implements MapView.OnMapChangedListener {
     // notify animateCamera and easeCamera about cancelling
     if (cameraCancelableCallback != null) {
       cameraChangeDispatcher.onCameraIdle();
-      cameraCancelableCallback.onCancel();
-      cameraCancelableCallback = null;
+      new Handler().post(new Runnable() {
+        @Override
+        public void run() {
+          if (cameraCancelableCallback != null) {
+            cameraCancelableCallback.onCancel();
+            cameraCancelableCallback = null;
+          }
+        }
+      });
     }
 
     // cancel ongoing transitions
-- 
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