app/src/main/java/me/zhanghai/android/douya/ui/FriendlyFloatingActionButton.java

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/*
 * Copyright (c) 2016 Zhang Hai <Dreaming.in.Code.ZH@Gmail.com>
 * All Rights Reserved.
 */

package me.zhanghai.android.douya.ui;

import android.animation.Animator;
import android.animation.ObjectAnimator;
import android.content.Context;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.view.animation.FastOutLinearInInterpolator;
import android.support.v4.view.animation.FastOutSlowInInterpolator;
import android.util.AttributeSet;
import android.view.ViewGroup;

import butterknife.BindInt;
import butterknife.ButterKnife;
import me.zhanghai.android.douya.util.ViewUtils;

public class FriendlyFloatingActionButton extends FloatingActionButton {

    @BindInt(android.R.integer.config_shortAnimTime)
    int mAnimationDuration;

    private boolean mShowing = true;
    private Animator mAnimator;

    public FriendlyFloatingActionButton(Context context) {
        super(context);

        init();
    }

    public FriendlyFloatingActionButton(Context context, AttributeSet attrs) {
        super(context, attrs);

        init();
    }

    public FriendlyFloatingActionButton(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);

        init();
    }

    private void init() {
        ButterKnife.bind(this);
    }

    @Override
    protected Parcelable onSaveInstanceState() {

        Parcelable superState = super.onSaveInstanceState();
        SavedState savedState = new SavedState(superState);
        savedState.showing = mShowing;

        return savedState;