[CD-91] Fix disappearing pop icon

hover/src/main/java/io/mattcarroll/hover/FloatingTab.java

@@ -52,6 +52,8 @@ class FloatingTab extends HoverFrameLayout {
     private int mTabSize;
     private View mTabView;
     private Dock mDock;
+    private AnimatorSet mAnimatorSetDisappear;
+    private AnimatorSet mAnimatorSetAppear;
 
     public FloatingTab(@NonNull Context context, @NonNull String tabId) {
         super(context);
@@ -100,15 +102,16 @@ public void enableDebugMode(boolean debugMode) {
     }
 
     public void appear(@Nullable final Runnable onAppeared) {
-        AnimatorSet animatorSet = new AnimatorSet();
+        cancelAnimatorSetAppearIfNeeded();
+        mAnimatorSetAppear = new AnimatorSet();
         ObjectAnimator scaleX = ObjectAnimator.ofFloat(this, "scaleX", 0.0f, 1.0f);
         ObjectAnimator scaleY = ObjectAnimator.ofFloat(this, "scaleY", 0.0f, 1.0f);
-        animatorSet.setDuration(APPEARING_ANIMATION_DURATION);
-        animatorSet.setInterpolator(new OvershootInterpolator());
-        animatorSet.playTogether(scaleX, scaleY);
-        animatorSet.start();
+        mAnimatorSetAppear.setDuration(APPEARING_ANIMATION_DURATION);
+        mAnimatorSetAppear.setInterpolator(new OvershootInterpolator());
+        mAnimatorSetAppear.playTogether(scaleX, scaleY);
+        mAnimatorSetAppear.start();
 
-        animatorSet.addListener(new Animator.AnimatorListener() {
+        mAnimatorSetAppear.addListener(new Animator.AnimatorListener() {
             @Override
             public void onAnimationStart(Animator animation) {
             }
@@ -133,18 +136,22 @@ public void onAnimationRepeat(Animator animation) {
     }
 
     public void appearImmediate() {
+        cancelAnimatorSetDisappearIfNeeded();
         setVisibility(VISIBLE);
+        setScaleX(1.0f);
+        setScaleY(1.0f);
     }
 
     public void disappear(@Nullable final Runnable onDisappeared) {
-        AnimatorSet animatorSet = new AnimatorSet();
+        cancelAnimatorSetDisappearIfNeeded();
+        mAnimatorSetDisappear = new AnimatorSet();
         ObjectAnimator scaleX = ObjectAnimator.ofFloat(this, "scaleX", 0.0f);
         ObjectAnimator scaleY = ObjectAnimator.ofFloat(this, "scaleY", 0.0f);
-        animatorSet.setDuration(APPEARING_ANIMATION_DURATION);
-        animatorSet.playTogether(scaleX, scaleY);
-        animatorSet.start();
+        mAnimatorSetDisappear.setDuration(APPEARING_ANIMATION_DURATION);
+        mAnimatorSetDisappear.playTogether(scaleX, scaleY);
+        mAnimatorSetDisappear.start();
 
-        animatorSet.addListener(new Animator.AnimatorListener() {
+        mAnimatorSetDisappear.addListener(new Animator.AnimatorListener() {
             @Override
             public void onAnimationStart(Animator animation) {
             }
@@ -169,9 +176,24 @@ public void onAnimationRepeat(Animator animation) {
     }
 
     public void disappearImmediate() {
+        cancelAnimatorSetAppearIfNeeded();
         setVisibility(GONE);
     }
 
+    private void cancelAnimatorSetAppearIfNeeded() {
+        if (mAnimatorSetAppear != null && mAnimatorSetAppear.isRunning()) {
+            mAnimatorSetAppear.cancel();
+            mAnimatorSetAppear = null;
+        }
+    }
+
+    private void cancelAnimatorSetDisappearIfNeeded() {
+        if (mAnimatorSetDisappear != null && mAnimatorSetDisappear.isRunning()) {
+            mAnimatorSetDisappear.cancel();
+            mAnimatorSetDisappear = null;
+        }
+    }
+
     public void shrink() {
         mTabSize = getResources().getDimensionPixelSize(R.dimen.hover_tab_size_shrunk);
         updateSize();

hover/src/main/java/io/mattcarroll/hover/HoverViewStateCollapsed.java

@@ -91,6 +91,7 @@ public void run() {
                     return;
                 }
                 if (wasFloatingTabVisible) {
+                    mFloatingTab.appearImmediate();
                     sendToDock();
                 } else {
                     moveToDock();
@@ -375,9 +376,11 @@ void moveFloatingTabTo(View floatingTab, @NonNull Point position) {
     }
 
     protected void activateDragger() {
-        ArrayList<Pair<? extends HoverFrameLayout, ? extends BaseTouchController.TouchListener>> list = new ArrayList<>();
-        list.add(new Pair<>(mFloatingTab, mFloatingTabDragListener));
-        mHoverView.mDragger.activate(list);
+        if (mHoverView != null && mHoverView.mDragger != null) {
+            ArrayList<Pair<? extends HoverFrameLayout, ? extends BaseTouchController.TouchListener>> list = new ArrayList<>();
+            list.add(new Pair<>(mFloatingTab, mFloatingTabDragListener));
+            mHoverView.mDragger.activate(list);
+        }
     }
 
     protected void deactivateDragger() {

hover/src/main/java/io/mattcarroll/hover/HoverViewStatePreviewed.java

@@ -78,10 +78,12 @@ protected void onClose(final boolean userDropped) {
 
     @Override
     protected void activateDragger() {
-        ArrayList<Pair<? extends HoverFrameLayout, ? extends BaseTouchController.TouchListener>> list = new ArrayList<>();
-        list.add(new Pair<>(mFloatingTab, mFloatingTabDragListener));
-        list.add(new Pair<>(mMessageView, mDefaultMessageViewDragListener));
-        mHoverView.mDragger.activate(list);
+        if (mHoverView != null && mHoverView.mDragger != null) {
+            ArrayList<Pair<? extends HoverFrameLayout, ? extends BaseTouchController.TouchListener>> list = new ArrayList<>();
+            list.add(new Pair<>(mFloatingTab, mFloatingTabDragListener));
+            list.add(new Pair<>(mMessageView, mDefaultMessageViewDragListener));
+            mHoverView.mDragger.activate(list);
+        }
     }
 
     @Override