Revert "[ChipGroup] Fix ChipGroup.getCheckedChipIds() returns wrong state"

This reverts commit 0356d7c.

Author: pekingme

build.gradle

@@ -5,7 +5,7 @@ buildscript {
     mavenCentral()
   }
   dependencies {
-    classpath 'com.android.tools.build:gradle:7.1.3'
+    classpath 'com.android.tools.build:gradle:4.0.0'
     classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion"
   }
 }

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip

lib/java/com/google/android/material/chip/Chip.java

@@ -16,7 +16,6 @@
 
 package com.google.android.material.chip;
 
-import android.widget.CompoundButton.OnCheckedChangeListener;
 import com.google.android.material.R;
 
 import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP;
@@ -55,7 +54,6 @@
 import android.view.ViewParent;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
-import android.widget.CompoundButton;
 import androidx.annotation.AnimatorRes;
 import androidx.annotation.BoolRes;
 import androidx.annotation.CallSuper;
@@ -153,7 +151,6 @@ public class Chip extends AppCompatCheckBox
   @Nullable private RippleDrawable ripple;
 
   @Nullable private OnClickListener onCloseIconClickListener;
-  @Nullable private CompoundButton.OnCheckedChangeListener onCheckedChangeListener;
   @Nullable private MaterialCheckable.OnCheckedChangeListener<Chip> onCheckedChangeListenerInternal;
   private boolean deferredCheckedValue;
   private boolean closeIconPressed;
@@ -254,19 +251,6 @@ public Chip(Context context, AttributeSet attrs, int defStyleAttr) {
       setMinHeight(minTouchTargetSize);
     }
     lastLayoutDirection = ViewCompat.getLayoutDirection(this);
-
-    super.setOnCheckedChangeListener(
-        new CompoundButton.OnCheckedChangeListener() {
-          @Override
-          public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
-            if (onCheckedChangeListenerInternal != null) {
-              onCheckedChangeListenerInternal.onCheckedChanged(Chip.this, isChecked);
-            }
-            if (onCheckedChangeListener != null) {
-              onCheckedChangeListener.onCheckedChanged(buttonView, isChecked);
-            }
-          }
-        });
   }
 
   @Override
@@ -723,15 +707,15 @@ public void setChecked(boolean checked) {
       // Defer the setChecked() call until after initialization.
       deferredCheckedValue = checked;
     } else if (chipDrawable.isCheckable()) {
+      boolean wasChecked = isChecked();
       super.setChecked(checked);
-    }
-  }
 
-  @Override
-  public void setOnCheckedChangeListener(
-      @Nullable CompoundButton.OnCheckedChangeListener listener) {
-    // Do not call super here - the wrapped listener set in the constructor will call the listener.
-    onCheckedChangeListener = listener;
+      if (wasChecked != checked) {
+        if (onCheckedChangeListenerInternal != null) {
+          onCheckedChangeListenerInternal.onCheckedChanged(this, checked);
+        }
+      }
+    }
   }
 
   /** Register a callback to be invoked when the close icon is clicked. */

lib/javatests/com/google/android/material/appbar/MaterialToolbarTest.java

@@ -15,7 +15,7 @@
  */
 package com.google.android.material.appbar;
 
-import com.google.android.material.test.R;
+import com.google.android.material.R;
 
 import static com.google.common.truth.Truth.assertThat;
 

lib/javatests/com/google/android/material/badge/BadgeDrawableTest.java

@@ -15,7 +15,7 @@
  */
 package com.google.android.material.badge;
 
-import com.google.android.material.test.R;
+import com.google.android.material.R;
 
 import static com.google.common.truth.Truth.assertThat;
 

lib/javatests/com/google/android/material/badge/BadgeUtilsTest.java

@@ -15,7 +15,7 @@
  */
 package com.google.android.material.badge;
 
-import com.google.android.material.test.R;
+import com.google.android.material.R;
 
 import static com.google.common.truth.Truth.assertThat;
 

lib/javatests/com/google/android/material/bottomnavigation/BottomNavigationViewTest.java

@@ -15,7 +15,7 @@
  */
 package com.google.android.material.bottomnavigation;
 
-import com.google.android.material.test.R;
+import com.google.android.material.R;
 
 import static com.google.common.truth.Truth.assertThat;
 

lib/javatests/com/google/android/material/bottomsheet/BottomSheetBehaviorTest.java

@@ -15,7 +15,7 @@
  */
 package com.google.android.material.bottomsheet;
 
-import com.google.android.material.test.R;
+import com.google.android.material.R;
 
 import static com.google.common.truth.Truth.assertThat;
 

lib/javatests/com/google/android/material/button/MaterialButtonTest.java

@@ -15,7 +15,7 @@
  */
 package com.google.android.material.button;
 
-import com.google.android.material.test.R;
+import com.google.android.material.R;
 
 import static com.google.common.truth.Truth.assertThat;
 

lib/javatests/com/google/android/material/button/MaterialButtonToggleGroupTest.java

@@ -16,7 +16,7 @@
 
 package com.google.android.material.button;
 
-import com.google.android.material.test.R;
+import com.google.android.material.R;
 
 import static android.view.View.GONE;
 import static androidx.test.platform.app.InstrumentationRegistry.getInstrumentation;