Merge "[Memory Leak] Fix leak of rotation button view from...

        return true;

    }

    @Override

    public void onDestroy() {

        setRotationButtonController(null);

        setOnClickListener(null);

        setOnHoverListener(null);

        setUpdatesCallback(null);

        if (mKeyButtonContainer.isAttachedToWindow()) {

            mWindowManager.removeViewImmediate(mKeyButtonContainer);

        }

        mKeyButtonView.animate().cancel();

        mAnimatedDrawable.stop();

        mKeyButtonView.setImageDrawable(null);

        // Calling AnimatedDrawable#stop() and ImageView.setImageDrawable(null) above will not let

        // RenderThread clear ref to view (via AnimatedVectorDrawable$VectorDrawableAnimatorRT)

        // quick enough for LeakCanary to ignore the leak. To mute LeakCanary, a workaround is to

        // clear the mKeyButtonView.mParent so that LeakCanary won't complain the leak on

        // mKeyButtonContainer.

        mKeyButtonContainer.removeView(mKeyButtonView);

    }

    @Override

    public boolean isVisible() {

        return mIsShowing;

    }

    default boolean show() { return false; }

    default boolean hide() { return false; }

    default void onDestroy() {}

    default boolean isVisible() {

        return false;

    }

        if (mRotationButton == null) {

            return;

        }

        mRotationButton.setRotationButtonController(null);

        mRotationButton.setOnClickListener(null);

        mRotationButton.setOnHoverListener(null);

        mRotationButton.setUpdatesCallback(null);

        mRotationButton.onDestroy();

        mRotationButton = null;

    }