点赞爱心效果

添加依赖

implementation 'tyrant:heartlayout:1.0.1'

xml文件

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:orientation="vertical">

    <tyrantgit.widget.HeartLayout
        android:id="@+id/heart_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:background="#50FFFFFF"
            android:text="1"/>

    </tyrantgit.widget.HeartLayout>

</LinearLayout>

Activity中

import android.graphics.Color;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;

import tyrantgit.widget.HeartLayout;

public class MainActivity extends AppCompatActivity {

    private Random mRandom = new Random();
    private Timer mTimer = new Timer();
    private HeartLayout mHeartLayout;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        mHeartLayout = (HeartLayout) findViewById(R.id.heart_layout);
        mTimer.scheduleAtFixedRate(new TimerTask() {
            @Override
            public void run() {
                mHeartLayout.post(new Runnable() {
                    @Override
                    public void run() {
                        mHeartLayout.addHeart(randomColor());
                    }
                });
            }
        }, 500, 200);

    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        mTimer.cancel();
    }

    private int randomColor() {
        return Color.rgb(mRandom.nextInt(255), mRandom.nextInt(255), mRandom.nextInt(255));
    }
}