From 11b8f2dcb23bc076a8e6f939de458d001f79eeeb Mon Sep 17 00:00:00 2001
From: Tobrun <tobrun@mapbox.com>
Date: Tue, 1 Aug 2017 08:54:16 +0200
Subject: [android] - move ZoomButtonController creation to view initalisation
 (#9587)

---
 .../java/com/mapbox/mapboxsdk/maps/MapView.java    |  9 ++++-----
 .../mapboxsdk/maps/MapZoomButtonController.java    | 23 ++++++++++++----------
 2 files changed, 17 insertions(+), 15 deletions(-)

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java
index 848a898f94..766e2a051d 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java
@@ -120,6 +120,7 @@ public class MapView extends FrameLayout {
     myLocationView = (MyLocationView) view.findViewById(R.id.userLocationView);
     attrView = (ImageView) view.findViewById(R.id.attributionView);
     logoView = (ImageView) view.findViewById(R.id.logoView);
+    mapZoomButtonController = new MapZoomButtonController(new ZoomButtonsController(this));
 
     // add accessibility support
     setContentDescription(context.getString(R.string.mapbox_mapActionDescription));
@@ -180,7 +181,7 @@ public class MapView extends FrameLayout {
     mapKeyListener = new MapKeyListener(transform, trackingSettings, uiSettings);
 
     MapZoomControllerListener zoomListener = new MapZoomControllerListener(mapGestureDetector, uiSettings, transform);
-    mapZoomButtonController = new MapZoomButtonController(this, uiSettings, zoomListener);
+    mapZoomButtonController.bind(uiSettings, zoomListener);
 
     // inject widgets with MapboxMap
     compassView.setMapboxMap(mapboxMap);
@@ -557,9 +558,7 @@ public class MapView extends FrameLayout {
   @CallSuper
   protected void onDetachedFromWindow() {
     super.onDetachedFromWindow();
-    if (mapZoomButtonController != null) {
-      mapZoomButtonController.setVisible(false);
-    }
+    mapZoomButtonController.setVisible(false);
   }
 
   // Called when view is hidden and shown
@@ -569,7 +568,7 @@ public class MapView extends FrameLayout {
       return;
     }
 
-    if (mapZoomButtonController != null && nativeMapView != null) {
+    if (nativeMapView != null) {
       mapZoomButtonController.setVisible(visibility == View.VISIBLE);
     }
   }
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapZoomButtonController.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapZoomButtonController.java
index 16513904c5..018c8eb5bb 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapZoomButtonController.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapZoomButtonController.java
@@ -1,7 +1,6 @@
 package com.mapbox.mapboxsdk.maps;
 
 import android.support.annotation.NonNull;
-import android.view.View;
 import android.widget.ZoomButtonsController;
 
 import com.mapbox.mapboxsdk.constants.MapboxConstants;
@@ -12,21 +11,25 @@ import com.mapbox.mapboxsdk.constants.MapboxConstants;
  * Allows single touch only devices to zoom in and out.
  * </p>
  */
-final class MapZoomButtonController extends ZoomButtonsController {
+final class MapZoomButtonController {
 
   private UiSettings uiSettings;
+  private ZoomButtonsController zoomButtonsController;
 
-  MapZoomButtonController(@NonNull View ownerView, @NonNull UiSettings uiSettings, @NonNull OnZoomListener listener) {
-    super(ownerView);
+  MapZoomButtonController(@NonNull ZoomButtonsController zoomButtonsController) {
+    this.zoomButtonsController = zoomButtonsController;
+    this.zoomButtonsController.setZoomSpeed(MapboxConstants.ANIMATION_DURATION);
+  }
+
+  void bind(UiSettings uiSettings, ZoomButtonsController.OnZoomListener onZoomListener) {
     this.uiSettings = uiSettings;
-    setZoomSpeed(MapboxConstants.ANIMATION_DURATION);
-    setOnZoomListener(listener);
+    zoomButtonsController.setOnZoomListener(onZoomListener);
   }
 
-  @Override
-  public void setVisible(boolean visible) {
-    if (uiSettings.isZoomControlsEnabled()) {
-      super.setVisible(visible);
+  void setVisible(boolean visible) {
+    if (uiSettings != null && !uiSettings.isZoomControlsEnabled()) {
+      return;
     }
+    zoomButtonsController.setVisible(visible);
   }
 }
-- 
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