效果图:
首先按书里面一样敲出一首歌的播放也可以参考可以参考博主“林林要一直努力”写的,一首歌如下所示:
林林要一直努力他写的教程链接Android Studio初学者实例:仿网易音乐播放器-CSDN博客https://blog.csdn.net/m0_59558544/article/details/131151435
然后更改代码
首先,多一张img_music.png图片加到如图所示加到drawable-hdpi
多一首音乐加到raw
之后再activity_main.xml中更改代码,把播放按键更改为两个按键,用来分别播放歌曲,activity_main.xml代码如下:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:gravity="center"
android:background="@drawable/music_bg">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="160dp">
<RelativeLayout
android:layout_width="300dp"
android:layout_height="70dp"
android:id="@+id/rl_title"
android:layout_centerHorizontal="true"
android:background="@drawable/title_bg"
android:gravity="center_horizontal"
android:paddingLeft="80dp">
<TextView
android:id="@+id/tv_music_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="纪念"
android:textColor="@android:color/black"
android:textSize="12sp"
android:textStyle="bold" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tv_type"
android:layout_marginTop="4dp"
android:layout_below="@id/tv_music_title"
android:layout_alignLeft="@id/tv_music_title"
android:textColor="@android:color/holo_red_dark"
android:text="流行音乐"
android:textSize="10sp"/>
<SeekBar
android:layout_width="150dp"
android:layout_height="wrap_content"
android:id="@+id/sb"
android:layout_below="@+id/rl_time"
android:layout_alignParentBottom="true"
android:thumb="@null"/>
<RelativeLayout
android:layout_width="150dp"
android:layout_height="wrap_content"
android:layout_marginTop="4dp"
android:id="@+id/rl_time"
android:layout_below="@id/tv_type">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tv_progress"
android:textColor="@android:color/holo_red_dark"
android:text="00:00"
android:textSize="10sp"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/tv_total"
android:layout_alignParentRight="true"
android:textColor="@android:color/holo_red_dark"
android:text="00:00"
android:textSize="10sp"/>
</RelativeLayout>
</RelativeLayout>
<LinearLayout
android:layout_width="340dp"
android:layout_height="90dp"
android:layout_below="@id/rl_title"
android:layout_centerHorizontal="true"
android:background="@drawable/btn_bg"
android:gravity="center_vertical"
android:paddingLeft="120dp"
android:paddingRight="10dp">
<Button
android:layout_width="0dp"
android:layout_height="25dp"
android:layout_margin="4dp"
android:id="@+id/btn_play1"
android:layout_weight="1"
android:background="@drawable/btn_bg_selector"
android:textColor="@android:color/black"
android:text="纪念"
android:textSize="10sp"/>
<Button
android:layout_width="0dp"
android:layout_height="25dp"
android:layout_margin="4dp"
android:id="@+id/btn_play2"
android:layout_weight="1"
android:background="@drawable/btn_bg_selector"
android:textColor="@android:color/black"
android:text="体面"
android:textSize="10sp"/>
<Button
android:layout_width="0dp"
android:layout_height="25dp"
android:id="@+id/btn_pause"
android:layout_margin="4dp"
android:layout_weight="1"
android:background="@drawable/btn_bg_selector"
android:text="暂停"
android:textColor="@android:color/black"
android:textSize="10sp"/>
<Button
android:layout_width="0dp"
android:layout_height="25dp"
android:id="@+id/btn_continue_play"
android:layout_margin="4dp"
android:layout_weight="1"
android:background="@drawable/btn_bg_selector"
android:text="继续"
android:textColor="@android:color/black"
android:textSize="10sp"/>
<Button
android:layout_width="0dp"
android:layout_height="25dp"
android:id="@+id/btn_exit"
android:layout_margin="4dp"
android:layout_weight="1"
android:background="@drawable/btn_bg_selector"
android:text="退出"
android:textColor="@android:color/black"
android:textSize="10sp"/>
</LinearLayout>
<ImageView
android:layout_width="100dp"
android:layout_height="100dp"
android:id="@+id/iv_music"
android:layout_centerVertical="true"
android:layout_marginLeft="35dp"
android:layout_marginBottom="50dp"
android:src="@drawable/img_music"/>
</RelativeLayout>
</LinearLayout>
编写MusicService.java
package cn.itcast.musicplayer;
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.Binder;
import android.os.Bundle;
import android.os.IBinder;
import android.os.Message;
import androidx.annotation.Nullable;
import java.util.Timer;
import java.util.TimerTask;
public class MusicService extends Service {
private MediaPlayer player;
private Timer timer;
public MusicService(){
}
@Override
public IBinder onBind(Intent intent) {
return new MusicControl();
}
@Override
public void onCreate() {
super.onCreate();
player=new MediaPlayer();//创建音乐播放器对象
}
public void addTimer(){//添加计时器用于设置音乐播放器中的播放进度条
if (timer==null){
timer=new Timer();//创建计时器对象
TimerTask task=new TimerTask() {
@Override
public void run() {
if (player==null)return;
int duration=player.getDuration();//获取歌曲总时长
int currentPosition=player.getCurrentPosition();//获取播放进度
Message msg=MainActivity.handler.obtainMessage();//创建消息对象
//将音乐总时长和播放进度封装到消息对象中
Bundle bundle=new Bundle();
bundle.putInt("duration",duration);
bundle.putInt("currentPosition",currentPosition);
msg.setData(bundle);
//将消息发送到主线程的消息队列
MainActivity.handler.sendMessage(msg);
}
};
//开始计时任务的5毫秒后第一次执行task任务,以后每500毫秒执行一次
timer.schedule(task,5,500);
}
}
class MusicControl extends Binder{
public void play1(){//按下纪念按键
try{
player.reset();//重置音乐播放器
player=MediaPlayer.create(getApplicationContext(),R.raw.music);//播放音乐1
//player=MediaPlayer.create(getApplicationContext(),R.raw.music1);
player.start();//播放音乐
addTimer();//添加计时器
}catch (Exception e){
e.printStackTrace();
}
}
public void play2(){//按下体面按键
try{
player.reset();//重置音乐播放器
//player=MediaPlayer.create(getApplicationContext(),R.raw.music);
player=MediaPlayer.create(getApplicationContext(),R.raw.music1);//播放音乐2
player.start();//播放音乐
addTimer();//添加计时器
}catch (Exception e){
e.printStackTrace();
}
}
public void pausePlay(){
player.pause();//暂停播放音乐
}
public void continuePlay(){
player.start();//继续播放音乐
}
public void seekTo(int progress){
player.seekTo(progress);//设置音乐的播放位置
}
}
@Override
public void onDestroy() {
super.onDestroy();
if (player==null)return;
if (player.isPlaying())player.stop();//停止播放音乐
player.release();//释放占用资源
player=null;//将payer置为空
}
}
编写主界面逻辑代码MainActivity.java代码
package cn.itcast.musicplayer;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.view.View;
import android.view.animation.LinearInterpolator;
import android.widget.ImageView;
import android.widget.SeekBar;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private static SeekBar sb;
private static TextView tv_progress,tv_total,tv_music_title;
private ImageView iv_music;
private ObjectAnimator animator;
private MusicService.MusicControl musicControl;
// private MusicService.MusicControl musicControl2;
MyServiceConn conn;
Intent intent;
private boolean isUnbind=false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
}
private void init(){
tv_progress=findViewById(R.id.tv_progress);//初始化
tv_total=findViewById(R.id.tv_total);
tv_music_title = findViewById(R.id.tv_music_title);
iv_music = findViewById(R.id.iv_music);
sb=findViewById(R.id.sb);
findViewById(R.id.btn_play1).setOnClickListener(this);
findViewById(R.id.btn_play2).setOnClickListener(this);
findViewById(R.id.btn_pause).setOnClickListener(this);
findViewById(R.id.btn_continue_play).setOnClickListener(this);
findViewById(R.id.btn_exit).setOnClickListener(this);
intent=new Intent(this,MusicService.class);
conn=new MyServiceConn();
bindService(intent,conn,BIND_AUTO_CREATE);
sb.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (progress==seekBar.getMax()){
animator.pause();
}
}
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
int progress=seekBar.getProgress();
musicControl.seekTo(progress);
}
});
ImageView iv_music = (ImageView) findViewById(R.id.iv_music);
animator = ObjectAnimator.ofFloat(iv_music, "rotation", 0f, 360.0f);
animator.setDuration(10000); //动画旋转一周的时间为10秒
animator.setInterpolator(new LinearInterpolator());
animator.setRepeatCount(-1); //-1表示设置动画无限循环
}
public static Handler handler=new Handler(){
@Override
public void handleMessage(@NonNull Message msg) {
Bundle bundle=msg.getData();
int duration=bundle.getInt("duration");
int currentPosition=bundle.getInt("currentPosition");
sb.setMax(duration);
sb.setProgress(currentPosition);
int minute=duration/1000/60;
int second=duration/1000%60;
String strMinute=null;
String strSecond=null;
if (minute<10){
strMinute="0"+minute;
}else {
strMinute=minute+"";
}
if (second<10){
strSecond="0"+second;
}else {
strSecond=second+"";
}
tv_total.setText(strMinute+":"+strSecond);
minute=currentPosition/1000/60;
second=currentPosition/1000%60;
if (minute<10){
strMinute="0"+minute;
}else {
strMinute=minute+"";
}
if (second<10){
strSecond="0"+second;
}else {
strSecond=second+"";
}
tv_progress.setText(strMinute+":"+strSecond);
super.handleMessage(msg);
}
};
class MyServiceConn implements ServiceConnection{
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
musicControl= (MusicService.MusicControl) service;
}
@Override
public void onServiceDisconnected(ComponentName name) {
}
}
private void unbind(boolean isUnbind){
if (!isUnbind){
musicControl.pausePlay();
unbindService(conn);
stopService(intent);
}
}
@Override
public void onClick(View v) {
int id = v.getId();
if (id == R.id.btn_play1) {
musicControl.play1();
tv_music_title.setText("纪念");//更换歌曲标题名
iv_music.setImageResource(R.drawable.img_music);//更换歌曲图片
animator.start();
} else if (id == R.id.btn_play2) {
musicControl.play2();
tv_music_title.setText("体面");//更换歌曲标题名
iv_music.setImageResource(R.drawable.img_music1);//更换歌曲图片
animator.start();
}else if (id == R.id.btn_pause) {
musicControl.pausePlay();
animator.pause();
} else if (id == R.id.btn_continue_play) {
musicControl.continuePlay();
animator.start();
} else if (id == R.id.btn_exit) {
unbind(isUnbind);
isUnbind = true;
finish();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
unbind(isUnbind);
}
}
这样子就可以了
标签:播放器,music,void,public,player,Studio,import,Android,android From: https://blog.csdn.net/m0_64870573/article/details/140162450