Play CLICK sound effect when compound buttons are clicked

Also plays the sound effect when the switch changes state as a result
of dragging, since that's effectively the same as the click action.

BUG: 16308311
Change-Id: Ic187ece2a8190082617f5ac7aaf05c3511fa80b5

2 files changed, 18 insertions, 10 deletions

diff --git a/core/java/android/widget/CompoundButton.java b/core/java/android/widget/CompoundButton.java
index 7d9d305..092e31c 100644
--- a/core/java/android/widget/CompoundButton.java
+++ b/core/java/android/widget/CompoundButton.java
@@ -29,6 +29,7 @@ import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.AttributeSet;
 import android.view.Gravity;
+import android.view.SoundEffectConstants;
 import android.view.ViewDebug;
 import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityNodeInfo;
@@ -114,15 +115,16 @@ public abstract class CompoundButton extends Button implements Checkable {
 
     @Override
     public boolean performClick() {
-        /*
-         * XXX: These are tiny, need some surrounding 'expanded touch area',
-         * which will need to be implemented in Button if we only override
-         * performClick()
-         */
-
-        /* When clicked, toggle the state */
         toggle();
-        return super.performClick();
+
+        final boolean handled = super.performClick();
+        if (!handled) {
+            // View only makes a sound effect if the onClickListener was
+            // called, so we'll need to make one here instead.
+            playSoundEffect(SoundEffectConstants.CLICK);
+        }
+
+        return handled;
     }
 
     @ViewDebug.ExportedProperty
diff --git a/core/java/android/widget/Switch.java b/core/java/android/widget/Switch.java
index a898084..4c8aa51 100644
--- a/core/java/android/widget/Switch.java
+++ b/core/java/android/widget/Switch.java
@@ -39,6 +39,7 @@ import android.util.FloatProperty;
 import android.util.MathUtils;
 import android.view.Gravity;
 import android.view.MotionEvent;
+import android.view.SoundEffectConstants;
 import android.view.VelocityTracker;
 import android.view.ViewConfiguration;
 import android.view.accessibility.AccessibilityEvent;
@@ -797,6 +798,7 @@ public class Switch extends CompoundButton {
         // Commit the change if the event is up and not canceled and the switch
         // has not been disabled during the drag.
         final boolean commitChange = ev.getAction() == MotionEvent.ACTION_UP && isEnabled();
+        final boolean oldState = isChecked();
         final boolean newState;
         if (commitChange) {
             mVelocityTracker.computeCurrentVelocity(1000);
@@ -807,10 +809,14 @@ public class Switch extends CompoundButton {
                 newState = getTargetCheckedState();
             }
         } else {
-            newState = isChecked();
+            newState = oldState;
+        }
+
+        if (newState != oldState) {
+            playSoundEffect(SoundEffectConstants.CLICK);
+            setChecked(newState);
         }
 
-        setChecked(newState);
         cancelSuperTouch(ev);
     }