From 5730e5c56cd5a17a2f75bbd5fcfc752d69a8c062 Mon Sep 17 00:00:00 2001
From: Alexandre Elias <aelias@google.com>
Date: Mon, 10 Jan 2022 19:41:20 -0800
Subject: [PATCH] Expose public API to control mIsChildViewEnabled

This is needed to replace an @UnsupportedApiUsage of the field
in appcompat/widget/DropDownListView.java

Bug: 177008210
Test: AbsListViewTest.testSelectedChildViewEnabled

Change-Id: Ia0bfe3f70f62db8185e1d9784d921e2e1f291006
---
 core/api/current.txt                      |  2 ++
 core/java/android/widget/AbsListView.java | 21 +++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/core/api/current.txt b/core/api/current.txt
index 05e9a9a889501..1beb0b206bf64 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -54943,6 +54943,7 @@ package android.widget {
     method protected boolean isInFilterMode();
     method public boolean isItemChecked(int);
     method public boolean isScrollingCacheEnabled();
+    method public boolean isSelectedChildViewEnabled();
     method public boolean isSmoothScrollbarEnabled();
     method public boolean isStackFromBottom();
     method public boolean isTextFilterEnabled();
@@ -54978,6 +54979,7 @@ package android.widget {
     method public void setRemoteViewsAdapter(android.content.Intent);
     method public void setScrollIndicators(android.view.View, android.view.View);
     method public void setScrollingCacheEnabled(boolean);
+    method public void setSelectedChildViewEnabled(boolean);
     method public void setSelectionFromTop(int, int);
     method public void setSelector(@DrawableRes int);
     method public void setSelector(android.graphics.drawable.Drawable);
diff --git a/core/java/android/widget/AbsListView.java b/core/java/android/widget/AbsListView.java
index 414a7f1f0e1cc..1d8e9a36fb3f1 100644
--- a/core/java/android/widget/AbsListView.java
+++ b/core/java/android/widget/AbsListView.java
@@ -2656,6 +2656,27 @@ public abstract class AbsListView extends AdapterView<ListAdapter> implements Te
         }
     }
 
+    /**
+     * Returns whether the selected child view (from the adapter's getView) is enabled.
+     *
+     * @return true if enabled
+     */
+    public boolean isSelectedChildViewEnabled() {
+        return mIsChildViewEnabled;
+    }
+
+    /**
+     * Set whether the selected child view (from the adapter's getView) is enabled.
+     *
+     * When refreshDrawableState is called, AbsListView will control the "enabled" state
+     * of the selector based on this.
+     *
+     * @param selectedChildViewEnabled true if enabled
+     */
+    public void setSelectedChildViewEnabled(boolean selectedChildViewEnabled) {
+        mIsChildViewEnabled = selectedChildViewEnabled;
+    }
+
     @Override
     protected void dispatchDraw(Canvas canvas) {
         int saveCount = 0;