Adding API to check if an icon returned by PackageManager

is a fallback icon

Bug: 141588119
Test: atest PackageManagerTest
Change-Id: I9ae5a74dd0b0c0c49a078d46914986ecb0d27a94

1 files changed, 15 insertions, 0 deletions

diff --git a/graphics/java/android/graphics/drawable/AdaptiveIconDrawable.java b/graphics/java/android/graphics/drawable/AdaptiveIconDrawable.java
index fab96a1e9fbd..928e607abbbe 100644
--- a/graphics/java/android/graphics/drawable/AdaptiveIconDrawable.java
+++ b/graphics/java/android/graphics/drawable/AdaptiveIconDrawable.java
@@ -16,6 +16,7 @@
 
 package android.graphics.drawable;
 
+import android.annotation.DrawableRes;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.TestApi;
@@ -223,6 +224,7 @@ public class AdaptiveIconDrawable extends Drawable implements Drawable.Callback
         final int deviceDensity = Drawable.resolveDensity(r, 0);
         state.setDensity(deviceDensity);
         state.mSrcDensityOverride = mSrcDensityOverride;
+        state.mSourceDrawableId = Resources.getAttributeSetSourceResId(attrs);
 
         final ChildDrawable[] array = state.mChildren;
         for (int i = 0; i < state.mChildren.length; i++) {
@@ -446,6 +448,17 @@ public class AdaptiveIconDrawable extends Drawable implements Drawable.Callback
     }
 
     /**
+     * If the drawable was inflated from XML, this returns the resource ID for the drawable
+     *
+     * @hide
+     */
+    @DrawableRes
+    public int getSourceDrawableResId() {
+        final LayerState state = mLayerState;
+        return state == null ? Resources.ID_NULL : state.mSourceDrawableId;
+    }
+
+    /**
      * Inflates child layers using the specified parser.
      */
     private void inflateLayers(@NonNull Resources r, @NonNull XmlPullParser parser,
@@ -944,6 +957,8 @@ public class AdaptiveIconDrawable extends Drawable implements Drawable.Callback
         @Config int mChangingConfigurations;
         @Config int mChildrenChangingConfigurations;
 
+        @DrawableRes int mSourceDrawableId = Resources.ID_NULL;
+
         private boolean mCheckedOpacity;
         private int mOpacity;