仿网易播放器

最新推荐文章于 2021-05-26 09:31:19 发布

yin_chenglong

最新推荐文章于 2021-05-26 09:31:19 发布

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CC 4.0 BY-SA版权

本文链接：https://blog.youkuaiyun.com/yin_chenglong/article/details/80877049

需要添加读写权限

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />

主页面

package com.example.yklx_bofangqi;


import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;




import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.app.Activity;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;


import android.support.annotation.RequiresApi;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.LinearInterpolator;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;

import com.example.yklx_bofangqi.R;


public class MainActivity extends Activity implements OnPreparedListener,
        OnClickListener {




    private ImageView pre;
    private ImageView play;
    private ImageView next;
    private ImageView needle;
    private ImageView disc;
    private SeekBar seek_bar;


    private int index = 0;// 记录点击条目的索引
    private MediaPlayer player;
    private boolean flag = false;// 记录是否处于暂停状态
    private int duration;//总时长
    private Timer timer;
    private Handler handler = new Handler(){
        public void handleMessage(android.os.Message msg) {
            if (msg.what == 0) {
                //取值--->当前播放的时间
                int currrent = (Integer) msg.obj;
                //格式化时间 ----format.format(duration);
                text_star_time.setText(format.format(currrent) );


                text_end_time.setText( format.format(duration));
                //进度条
                seek_bar.setProgress(currrent*1000/duration);
            }
        };
    };
    private SimpleDateFormat format;
    private Uri parse;
    private TextView text_star_time;
    private TextView text_end_time;
    private ObjectAnimator discAnimation;
    private ObjectAnimator needleAnimation;
    private ObjectAnimator needleAnimation02;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        // 找控件




        findViewId();


        ss();
        play();
        setAnimations();
    }


    private void ss() {
        // 展示音乐列表


        // 创建MediaPlayer对象
        player = new MediaPlayer();
        //创建一个计时器
        timer = new Timer();
        //创建时间格式化的类
        format = new SimpleDateFormat("mm:ss");
       /* // 点击列表的条目，，，，播放对应的音乐
        list_view.setOnItemClickListener(new OnItemClickListener() {


            @Override
            public void onItemClick(AdapterView<?> parent, View view,
                                    int position, long id) {
                // 给index重新赋值
                index = position;
                // 开始播放音乐
                play();
            }


        });*/
        // 点击上一曲，，播放／暂停，，下一曲的监听
        pre.setOnClickListener(this);
        play.setOnClickListener(this);
        next.setOnClickListener(this);
        //设置进度条的监听
        seek_bar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() {


            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                // TODO Auto-generated method stub


            }


            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
                // TODO Auto-generated method stub


            }
            //进度发生改变的时候，，，歌曲进度也跟着改变
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress,
                                          boolean fromUser) {
                if (player!=null && fromUser) {
                    player.seekTo(progress*duration/1000);
                }


            }
        });
     /*   //自动下一曲
        player.setOnCompletionListener(new OnCompletionListener() {


            @Override
            public void onCompletion(MediaPlayer mp) {
                //音乐播放完成以后，，直接调用下一曲的方法
                next();


            }
        });*/
    }


    /**
     * 找控件的方法
     */
    private void findViewId() {


        pre = (ImageView) findViewById(R.id.pre);
        play = (ImageView) findViewById(R.id.play);
        next = (ImageView) findViewById(R.id.next);
        seek_bar = (SeekBar) findViewById(R.id.seek_bar);
        text_star_time = findViewById(R.id.text_star_time);
        text_end_time = findViewById(R.id.text_end_time);
        needle = (ImageView) findViewById(R.id.needle);
        disc = (ImageView) findViewById(R.id.disc);


    }


    //动画设置
    private void setAnimations() {


        discAnimation = ObjectAnimator.ofFloat(disc, "rotation", 0, 360);
        discAnimation.setDuration(20000);
        discAnimation.setInterpolator(new LinearInterpolator());
        discAnimation.setRepeatCount(ValueAnimator.INFINITE);


        needleAnimation = ObjectAnimator.ofFloat(needle, "rotation", 0,20);
        needle.setPivotX(0);
        needle.setPivotY(0);
        needleAnimation.setDuration(800);
        needleAnimation.setInterpolator(new LinearInterpolator());
        needleAnimation02 = ObjectAnimator.ofFloat(needle, "rotation", 20, 0);
        needle.setPivotX(0);
        needle.setPivotY(0);
        needleAnimation02.setDuration(800);
        needleAnimation02.setInterpolator(new LinearInterpolator());
    }


    /**
     * 播放音乐的方法
     */
    private void play() {
        if (player != null) {
            try {
                // 重置资源
                player.reset();
                // 加载音乐
                player.setDataSource(Environment
                        .getExternalStorageDirectory() + "/Music/music.mp3");
                // 准备
                player.prepareAsync();// 异步
                // 准备完成的监听
                player.setOnPreparedListener(this);
            } catch (Exception e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }


    }


    /**
     * 准备完成的监听
     */
    @Override
    public void onPrepared(MediaPlayer mp) {
        // 开始播放
        player.start();
        // 更改播放按钮的图片
        play.setImageResource(R.drawable.ic_pause);
        discAnimation.start();
        needleAnimation.start();
        //获取歌曲总时长
        duration = player.getDuration();
        //音乐开始播放，，，时间／进度条开始变化
        TimerTask task = new TimerTask() {
            @Override
            public void run() {
                // 每隔1s获取一次当前播放时间
                int currentPosition = player.getCurrentPosition();


                Message msg = Message.obtain();
                msg.obj = currentPosition;
                msg.what = 0;
                handler.sendMessage(msg );


            }
        };
        timer.schedule(task, 0, 1000);
    }


    /**
     * 点击按钮的监听
     */
    @RequiresApi(api = Build.VERSION_CODES.KITKAT)
    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.play:
                // 点击播放按钮：
                if (player != null && player.isPlaying()) {// 正在播放
                    // 暂停音乐
                    player.pause();
                    discAnimation.pause();


                    needleAnimation02.start();
                    // 修改按钮的图片
                    play.setImageResource(R.drawable.ic_play);
                    // 修改状态值
                    flag = true;
                } else {
                    if (flag) {// 处于暂停状态
                        player.start();// 继续播放
                        flag = false;// 修改状态值
                        // 修改按钮的图片
                        needleAnimation.start();
                        discAnimation.resume();


                        play.setImageResource(R.drawable.ic_pause);
                    } else {
                        play();
                    }
                }


                break;
            case R.id.pre:
                // 点击上一曲
                // pre();
                break;
            case R.id.next:
                // 下一曲
                //  next();
                break;


            default:
                break;
        }


    }


    /**
     * 下一曲的方法
     */
    private void next() {


        /*index++;


        index = index % list.size();


        play();*/


    }


    /**
     * 上一曲的方法
     */
    private void pre() {


 /*       if (index <= 0) {
            index = list.size();
        }
        index--;
        play();*/


    }
}

布局

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/ic_blackground"
    >




    <ImageView
        android:id="@+id/disc"
        android:layout_width="400dp"
        android:layout_height="400dp"
        android:layout_centerHorizontal="true"
        android:src="@drawable/ic_disc"
        android:layout_marginTop="300dp"
        />


    <ImageView
        android:id="@+id/needle"
        android:layout_width="350dp"
        android:layout_height="350dp"
        android:paddingLeft="200dp"
        android:layout_alignParentRight="true"
        android:layout_marginTop="81dp"
        android:src="@drawable/ic_needle" />


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:background="#212829"
        android:orientation="vertical" >


        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="horizontal" >






            <TextView
                android:id="@+id/text_star_time"
                android:layout_marginLeft="10dp"
                android:layout_width="0dp"
                android:layout_weight="1"
                android:layout_height="wrap_content"
                android:text="00:00"
                android:textColor="#ffffff" />






            <SeekBar
                android:id="@+id/seek_bar"
                android:layout_width="0dp"
                android:layout_weight="8"
                android:layout_height="wrap_content"
                android:max="1000" />
            <TextView
                android:id="@+id/text_end_time"
                android:layout_width="0dp"
                android:layout_weight="1"
                android:layout_marginRight="10dp"


                android:layout_height="wrap_content"
                android:text="03:44"
                android:textColor="#ffffff" />
        </LinearLayout>
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_horizontal"
            android:orientation="horizontal" >


            <ImageView
                android:id="@+id/pre"
                android:layout_marginLeft="10dp"
                android:layout_marginRight="10dp"
                android:layout_width="30dp"
                android:layout_height="30dp"
                android:src="@drawable/ic_last" />


            <ImageView
                android:layout_marginLeft="10dp"
                android:layout_marginRight="10dp"


                android:id="@+id/play"
                android:layout_width="30dp"
                android:layout_height="30dp"
                android:src="@drawable/ic_play" />


            <ImageView
                android:layout_marginLeft="10dp"
                android:layout_marginRight="10dp"


                android:id="@+id/next"
                android:layout_width="30dp"
                android:layout_height="30dp"
                android:src="@drawable/ic_next" />
        </LinearLayout>


    </LinearLayout>




</RelativeLayout>