Resubmit make CircularRevealCardView extend MaterialCardView

PiperOrigin-RevId: 234198980

Author: ymarian

catalog/java/io/material/catalog/transformation/TransformationMainDemoFragment.java

@@ -19,8 +19,10 @@
 import io.material.catalog.R;
 
 import android.os.Bundle;
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
+import com.google.android.material.transformation.TransformationChildCard;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
 import android.view.LayoutInflater;
@@ -45,7 +47,7 @@ public View onCreateDemoView(
     Toolbar toolbar = view.findViewById(R.id.toolbar);
     fab = view.findViewById(R.id.fab);
     View closeButton = view.findViewById(R.id.close_button);
-    View sheet = view.findViewById(R.id.sheet);
+    TransformationChildCard sheet = view.findViewById(R.id.sheet);
     View scrim = view.findViewById(R.id.scrim);
 
     ((AppCompatActivity) getActivity()).setSupportActionBar(toolbar);
@@ -55,6 +57,18 @@ public View onCreateDemoView(
     scrim.setOnClickListener(v -> fab.setExpanded(false));
 
     DraggableCoordinatorLayout container = (DraggableCoordinatorLayout) view;
+    container.setViewDragListener(new DraggableCoordinatorLayout.ViewDragListener() {
+      @Override
+      public void onViewCaptured(@NonNull View view, int i) {
+        sheet.setDragged(true);
+      }
+
+      @Override
+      public void onViewReleased(@NonNull View view, float v, float v1) {
+        sheet.setDragged(false);
+      }
+    });
+    
     container.addDraggableChild(fab);
     container.addDraggableChild(sheet);
 

catalog/java/io/material/catalog/transformation/res/layout/cat_transformation_fragment.xml

@@ -61,26 +61,26 @@
       android:layout_gravity="bottom|right"
       android:visibility="invisible"
       app:cardElevation="2dp"
-      app:contentPadding="20dp"
       app:layout_behavior="@string/fab_transformation_sheet_behavior">
 
+    <ImageButton
+        android:id="@+id/close_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="top|end"
+        android:padding="12dp"
+        android:background="?selectableItemBackgroundBorderless"
+        android:contentDescription="@string/close_sheet"
+        android:scaleType="fitCenter"
+        android:tint="?attr/colorOnSurface"
+        app:srcCompat="@drawable/ic_close_vd_theme_24px"/>
+
     <!-- TransformationChildCard can contain arbitrary content provided by the app. -->
     <FrameLayout
+        android:padding="20dp"
         android:layout_width="200dp"
         android:layout_height="300dp">
 
-      <ImageButton
-          android:id="@+id/close_button"
-          android:layout_width="wrap_content"
-          android:layout_height="wrap_content"
-          android:layout_gravity="top|end"
-          android:padding="12dp"
-          android:background="?selectableItemBackgroundBorderless"
-          android:contentDescription="@string/close_sheet"
-          android:scaleType="fitCenter"
-          android:tint="?attr/colorOnSurface"
-          app:srcCompat="@drawable/ic_close_vd_theme_24px"/>
-
       <TextView
           android:layout_width="wrap_content"
           android:layout_height="wrap_content"

lib/java/com/google/android/material/circularreveal/cardview/CircularRevealCardView.java

@@ -20,15 +20,15 @@
 import android.graphics.drawable.Drawable;
 import androidx.annotation.ColorInt;
 import androidx.annotation.Nullable;
+import com.google.android.material.card.MaterialCardView;
 import com.google.android.material.circularreveal.CircularRevealHelper;
 import com.google.android.material.circularreveal.CircularRevealWidget;
 import android.util.AttributeSet;
-import androidx.cardview.widget.CardView;
 
 /**
- * A CircularRevealWidget wrapper for {@link CardView}.
+ * A CircularRevealWidget wrapper for {@link MaterialCardView}.
  */
-public class CircularRevealCardView extends CardView implements CircularRevealWidget {
+public class CircularRevealCardView extends MaterialCardView implements CircularRevealWidget {
 
   private final CircularRevealHelper helper;