Fix SystemUI animator leak am: 3c988197fa am: 7a1c656269
am: 8867fbdd8d

* commit '8867fbdd8d9a76ea31485f40822e6f77cb89725e':
  Fix SystemUI animator leak
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
index cc30882..68e483c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java
@@ -351,10 +351,13 @@
 
         for (PhoneState state : mPhoneStates) {
             if (state.mMobile != null) {
+                state.maybeStopAnimatableDrawable(state.mMobile);
                 state.mMobile.setImageDrawable(null);
+                state.mLastMobileStrengthId = -1;
             }
             if (state.mMobileType != null) {
                 state.mMobileType.setImageDrawable(null);
+                state.mLastMobileTypeId = -1;
             }
         }
 
@@ -486,6 +489,8 @@
         private final int mSubId;
         private boolean mMobileVisible = false;
         private int mMobileStrengthId = 0, mMobileTypeId = 0;
+        private int mLastMobileStrengthId = -1;
+        private int mLastMobileTypeId = -1;
         private boolean mIsMobileTypeIconWide;
         private String mMobileDescription, mMobileTypeDescription;
 
@@ -508,25 +513,16 @@
 
         public boolean apply(boolean isSecondaryIcon) {
             if (mMobileVisible && !mIsAirplaneMode) {
-                mMobile.setImageResource(mMobileStrengthId);
-                Drawable mobileDrawable = mMobile.getDrawable();
-                if (mobileDrawable instanceof Animatable) {
-                    Animatable ad = (Animatable) mobileDrawable;
-                    if (!ad.isRunning()) {
-                        ad.start();
-                    }
+                if (mLastMobileStrengthId != mMobileStrengthId) {
+                    updateAnimatableIcon(mMobile, mMobileStrengthId);
+                    updateAnimatableIcon(mMobileDark, mMobileStrengthId);
+                    mLastMobileStrengthId = mMobileStrengthId;
                 }
 
-                mMobileDark.setImageResource(mMobileStrengthId);
-                Drawable mobileDarkDrawable = mMobileDark.getDrawable();
-                if (mobileDarkDrawable instanceof Animatable) {
-                    Animatable ad = (Animatable) mobileDarkDrawable;
-                    if (!ad.isRunning()) {
-                        ad.start();
-                    }
+                if (mLastMobileTypeId != mMobileTypeId) {
+                    mMobileType.setImageResource(mMobileTypeId);
+                    mLastMobileTypeId = mMobileTypeId;
                 }
-
-                mMobileType.setImageResource(mMobileTypeId);
                 mMobileGroup.setContentDescription(mMobileTypeDescription
                         + " " + mMobileDescription);
                 mMobileGroup.setVisibility(View.VISIBLE);
@@ -550,6 +546,32 @@
             return mMobileVisible;
         }
 
+        private void updateAnimatableIcon(ImageView view, int resId) {
+            maybeStopAnimatableDrawable(view);
+            view.setImageResource(resId);
+            maybeStartAnimatableDrawable(view);
+        }
+
+        private void maybeStopAnimatableDrawable(ImageView view) {
+            Drawable drawable = view.getDrawable();
+            if (drawable instanceof Animatable) {
+                Animatable ad = (Animatable) drawable;
+                if (ad.isRunning()) {
+                    ad.stop();
+                }
+            }
+        }
+
+        private void maybeStartAnimatableDrawable(ImageView view) {
+            Drawable drawable = view.getDrawable();
+            if (drawable instanceof Animatable) {
+                Animatable ad = (Animatable) drawable;
+                if (!ad.isRunning()) {
+                    ad.start();
+                }
+            }
+        }
+
         public void populateAccessibilityEvent(AccessibilityEvent event) {
             if (mMobileVisible && mMobileGroup != null
                     && mMobileGroup.getContentDescription() != null) {