Custom pointer icon for standard widgets

Implemented custom pointer icon for Button, ImageButton,
Spinner and TabWidget.

PointerIcon.TYPE_HAND will be shown if the widget is enabled,
clickable and has not defined its own pointer icon through
setPointerIcon or pointerIcon resource attribute.

Bug: 31652293
Change-Id: I2a79786b12d15ea8223726d0949658801b046604

1 files changed, 10 insertions, 0 deletions

diff --git a/core/java/android/widget/ImageButton.java b/core/java/android/widget/ImageButton.java
index 332b158cf9f8..e1b0c915c684 100644
--- a/core/java/android/widget/ImageButton.java
+++ b/core/java/android/widget/ImageButton.java
@@ -18,6 +18,8 @@ package android.widget;
 
 import android.content.Context;
 import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.PointerIcon;
 import android.widget.RemoteViews.RemoteView;
 
 /**
@@ -94,4 +96,12 @@ public class ImageButton extends ImageView {
     public CharSequence getAccessibilityClassName() {
         return ImageButton.class.getName();
     }
+
+    @Override
+    public PointerIcon onResolvePointerIcon(MotionEvent event, int pointerIndex) {
+        if (getPointerIcon() == null && isClickable() && isEnabled()) {
+            return PointerIcon.getSystemIcon(getContext(), PointerIcon.TYPE_HAND);
+        }
+        return super.onResolvePointerIcon(event, pointerIndex);
+    }
 }