RegisterActivity.java

package com.zenglb.framework.activity.access;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.os.Build;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.v7.widget.CardView;
import android.transition.Transition;
import android.transition.TransitionInflater;
import android.view.View;
import android.view.ViewAnimationUtils;
import android.view.animation.AccelerateInterpolator;
import com.zenglb.baselib.base.BaseActivity;
import com.zenglb.framework.R;

public class RegisterActivity extends BaseActivity {
    FloatingActionButton fab;
    CardView cvAdd;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            ShowEnterAnimation();
        }
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                animateRevealClose();
            }
        });
    }

    @Override
    protected int setLayoutId() {
        return R.layout.activity_register;
    }

    @Override
    protected void initViews() {
        fab=(FloatingActionButton) findViewById(R.id.fab);
        cvAdd=(CardView) findViewById(R.id.cv_add);
    }

    private void ShowEnterAnimation() {
        Transition transition = TransitionInflater.from(this).inflateTransition(R.transition.fabtransition);
        getWindow().setSharedElementEnterTransition(transition);

        transition.addListener(new Transition.TransitionListener() {
            @Override
            public void onTransitionStart(Transition transition) {
                cvAdd.setVisibility(View.GONE);
            }

            @Override
            public void onTransitionEnd(Transition transition) {
                transition.removeListener(this);
                animateRevealShow();
            }

            @Override
            public void onTransitionCancel(Transition transition) {

            }

            @Override
            public void onTransitionPause(Transition transition) {

            }

            @Override
            public void onTransitionResume(Transition transition) {

            }


        });
    }

    public void animateRevealShow() {
        Animator mAnimator = ViewAnimationUtils.createCircularReveal(cvAdd, cvAdd.getWidth() / 2, 0, fab.getWidth() / 2, cvAdd.getHeight());
        mAnimator.setDuration(300);
        mAnimator.setInterpolator(new AccelerateInterpolator());
        mAnimator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                super.onAnimationEnd(animation);
            }

            @Override
            public void onAnimationStart(Animator animation) {
                cvAdd.setVisibility(View.VISIBLE);
                super.onAnimationStart(animation);
            }
        });
        mAnimator.start();
    }

    public void animateRevealClose() {
        Animator mAnimator = ViewAnimationUtils.createCircularReveal(cvAdd, cvAdd.getWidth() / 2, 0, cvAdd.getHeight(), fab.getWidth() / 2);
        mAnimator.setDuration(300);
        mAnimator.setInterpolator(new AccelerateInterpolator());
        mAnimator.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                cvAdd.setVisibility(View.INVISIBLE);
                super.onAnimationEnd(animation);
                fab.setImageResource(R.drawable.plus);
                RegisterActivity.super.onBackPressed();
            }

            @Override
            public void onAnimationStart(Animator animation) {
                super.onAnimationStart(animation);
            }
        });
        mAnimator.start();
    }

    @Override
    public void onBackPressed() {
        animateRevealClose();
    }
}