android studio 60音乐播放器 下载音乐
activity_main.xml 111111111111111111
<?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"
android:orientation="vertical"
tools:context=".MainActivity">
<TabHost
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/tabhost"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<!-- TabWidget组件id值不可变-->
<TabWidget
android:id="@android:id/tabs"
android:layout_width="match_parent"
android:layout_height="wrap_content">
</TabWidget>
<!-- FrameLayout布局，id值不可变-->
<FrameLayout
android:id="@android:id/tabcontent"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_above="@android:id/tabs">
<!-- 第一个tab的布局 -->
<LinearLayout
android:id="@+id/tab1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="4"
android:orientation="horizontal">
<ListView
android:id="@+id/listView1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@+id/btn_test"
android:layout_marginTop="20dp" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:gravity="bottom"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal">
<TextView
android:id="@+id/music_current_time"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="00:00"
android:textStyle="bold"
tools:autoText="false" />
<TextView
android:id="@+id/textView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="4" />
<TextView
android:id="@+id/music_total_time"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:gravity="center"
android:text="00:00"
android:textStyle="bold" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal">
<SeekBar
android:id="@+id/music_seekbar"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="4" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1"
android:orientation="horizontal">
<ImageButton
android:id="@+id/previous"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#00000000"
android:src="@android:drawable/ic_media_previous" />
<ImageButton
android:id="@+id/btn_pause"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#00000000"
android:elevation="13dp"
android:src="@android:drawable/ic_media_pause" />
<ImageButton
android:id="@+id/next"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="#00000000"
android:src="@android:drawable/ic_media_next" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<!-- 第二个tab的布局 -->
<LinearLayout
android:orientation="vertical"
android:id="@+id/tab2"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<EditText
android:id="@+id/editText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ems="10"
android:inputType="textPersonName"
android:text="请输入歌曲名称"
tools:layout_editor_absoluteX="10dp"
tools:layout_editor_absoluteY="11dp" />
<Button
android:id="@+id/button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:text="搜索歌曲"
tools:layout_editor_absoluteX="264dp"
tools:layout_editor_absoluteY="8dp" />
<ProgressBar
android:id="@+id/progress"
android:layout_below="@+id/button"
style="?android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent"
android:layout_height="25dp" />
<TextView
android:id="@+id/text"
android:layout_below="@+id/progress"
android:layout_width="match_parent"
android:layout_height="20dp"
android:text="TextView" />
<ListView
android:id="@+id/ListName"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@+id/text"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_marginTop="7dp"
android:layout_marginEnd="3dp"
android:layout_marginRight="3dp"
android:text="Hello World!"
tools:layout_editor_absoluteX="0dp"
tools:layout_editor_absoluteY="98dp" >
</ListView>
</LinearLayout>
</FrameLayout>
</LinearLayout>
</TabHost>
</LinearLayout>
MainActivity.java222222222222222
package com.example.myuuuuii;
import android.annotation.SuppressLint;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TabHost;
import android.widget.TextView;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.Socket;
import java.net.URL;
import java.net.URLConnection;
import android.Manifest;
import android.app.Activity;
import android.content.pm.PackageManager;
import android.media.MediaPlayer;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.os.StrictMode;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageButton;
import android.widget.ListView;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;
import androidx.core.app.ActivityCompat;
import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
public class MainActivity extends AppCompatActivity {
TextView tv;
ListView ls;
Button btn;
EditText edt;
String NeedFindWords;
String[] strArr;
private static final String Path="http://192.168.1.2/song/2.DJ - 侧脸 (言寺).mp3";
private ProgressBar progressBar;
private TextView textView;
private Button button;
private int FileLength;
private int DownedFileLength=0;
private InputStream inputStream;
private URLConnection connection;
private OutputStream outputStream;
//play music .........
private static final int INTERNAL_TIME = 1000;
final MediaPlayer mp = new MediaPlayer();
String song_path = "";
private SeekBar seekBar;
private TextView currentTV;
private TextView totalTV;
boolean isStop = true;
private boolean isSeekBarChanging;//互斥变量，防止进度条与定时器冲突。
private int currentposition;//当前音乐播放的进度
private Timer timer;
private ArrayList<String> list;
private File[] songFiles;
private Handler mHandler = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message message) {
// 展示给进度条和当前时间
int progress = mp.getCurrentPosition();
seekBar.setProgress(progress);
currentTV.setText(formatTime(progress));
// 继续定时发送数据
updateProgress();
return true;
}
});
//3、使用formatTime方法对时间格式化：
private String formatTime(int length) {
Date date = new Date(length);
//时间格式化工具
SimpleDateFormat sdf = new SimpleDateFormat("mm:ss");
String totalTime = sdf.format(date);
return totalTime;
}
private final int HANDLER_MSG_TELL_RECV = 0x124;
@SuppressLint("HandlerLeak")
Handler handlerDown = new Handler(){
public void handleMessage(Message msg){
//接受到服务器信息时执行
// Toast.makeText(MainActivity.this,(msg.obj).toString(),Toast.LENGTH_LONG).show();
// tv.setText((msg.obj).toString());
System.out.println((msg.obj).toString());
strArr = (msg.obj).toString().split("\n");
ArrayAdapter<String> arrayAdapter= new ArrayAdapter<String> (
MainActivity.this, android.R.layout.simple_list_item_1,strArr);
ls.setAdapter(arrayAdapter);
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
TabHost tab = (TabHost) findViewById(android.R.id.tabhost);
//初始化TabHost容器
tab.setup();
//在TabHost创建标签，然后设置：标题／图标／标签页布局
tab.addTab(tab.newTabSpec("tab1").setIndicator("本地音乐" , null).setContent(R.id.tab1));
tab.addTab(tab.newTabSpec("tab2").setIndicator("网络音乐" , null).setContent(R.id.tab2));
Button btn = findViewById(R.id.button);
edt=(EditText)findViewById(R.id.editText);
ls= (ListView) findViewById(R.id.ListName);
//这个是文件下载控件
progressBar=(ProgressBar) findViewById(R.id.progress);
textView=(TextView) findViewById(R.id.text);
button=(Button) findViewById(R.id.button);
ls.setOnItemClickListener(new AdapterView.OnItemClickListener() {
private String MusicPath="";
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
System.out.println(id);
System.out.println("********************************************");
// Toast.makeText(MainActivity.this,"点击了："+position+"行",Toast.LENGTH_SHORT).show();
Toast.makeText(MainActivity.this,strArr[position],Toast.LENGTH_SHORT).show();
MusicPath=strArr[position];
//开启下载线程
DownedFileLength=0;
// TODO Auto-generated method stub
Thread thread=new Thread(){
public void run(){
try {
DownFile(MusicPath);
} catch (Exception e) {
// TODO: handle exception
}
}
};
thread.start();
// System.out.println(strArr[position]);
// System.out.println("********************************************");
}
});
// tv= (TextView) findViewById(R.id.ReData);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// 响应事件
NeedFindWords=edt.getText().toString();
startNetThread();
}
});
totalTV = findViewById(R.id.music_total_time);
currentTV = findViewById(R.id.music_current_time);
seekBar = (SeekBar) findViewById(R.id.music_seekbar);
seekBar.setOnSeekBarChangeListener(new MySeekBar());
if (ActivityCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE)
!= PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(MainActivity.this,
new String[]{
Manifest.permission.READ_EXTERNAL_STORAGE}, 123);
return;
}
//判断是否是AndroidN以及更高的版本 N=24
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder();
StrictMode.setVmPolicy(builder.build());
}
list = new ArrayList<String>(); //音乐列表 Environment.getExternalStorageDirectory()+"/DownFile/"
File sdpath = Environment.getExternalStorageDirectory(); //获得手机SD卡路径/sdcard/kgmusic/download
System.out.println("******"+Environment.getExternalStorageDirectory());
File path = new File(sdpath + "//DownFile//"); //获得SD卡的mp3文件夹
//返回以.mp3结尾的文件 (自定义文件过滤)
songFiles = path.listFiles(new MyFilter(".mp3"));
for (File file : songFiles) {
list.add(file.getAbsolutePath()); //获取文件的绝对路径
}
ArrayAdapter<String> adapter = new ArrayAdapter<String>(MainActivity.this,
android.R.layout.simple_list_item_single_choice,
list);
ListView li = (ListView) findViewById(R.id.listView1);
li.setAdapter(adapter);
li.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
li.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
song_path = ((TextView) view).getText().toString();
currentposition = position;
changeMusic(currentposition);
try {
mp.reset(); //重置
mp.setDataSource(song_path);
mp.prepare(); //准备
mp.start(); //播放
seekBar.setMax(mp.getDuration());
isStop = false;
timer = new Timer();
timer.schedule(new TimerTask() {
@Override
public void run() {
if (!isSeekBarChanging) {
seekBar.setProgress(mp.getCurrentPosition());
}
}
}, 0, 50);
} catch (Exception e) {
}
}
});
//暂停和播放
final ImageButton btnpause = (ImageButton) findViewById(R.id.btn_pause);
btnpause.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (song_path.isEmpty())
Toast.makeText(getApplicationContext(), "先选收歌曲先听听", Toast.LENGTH_SHORT).show();
if (mp.isPlaying()) {
mp.pause(); //暂停
isStop = true;
btnpause.setImageResource(android.R.drawable.ic_media_play);
} else if (!song_path.isEmpty()) {
mp.start(); //继续播放
isStop = false;
btnpause.setImageResource(android.R.drawable.ic_media_pause);
}
}
});
//上一曲和下一曲
final ImageButton previous = (ImageButton) findViewById(R.id.previous);
previous.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
changeMusic(--currentposition);
}
});
final ImageButton next = (ImageButton) findViewById(R.id.next);
next.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
changeMusic(++currentposition);
}
});
}
private void changeMusic(int position) {
if (position < 0) {
currentposition = position = list.size() - 1;
} else if (position > list.size() - 1) {
currentposition = position = 0;
}
song_path = songFiles[position].getAbsolutePath();
try {
// 切歌之前先重置，释放掉之前的资源
mp.reset();
// 设置播放源
mp.setDataSource(song_path);
// 开始播放前的准备工作，加载多媒体资源，获取相关信息
mp.prepare();
// 开始播放
mp.start();
} catch (IOException e) {
e.printStackTrace();
}
seekBar.setProgress(0);//将进度条初始化
seekBar.setMax(mp.getDuration());//设置进度条最大值为歌曲总时间
totalTV.setText(formatTime(mp.getDuration()));//显示歌曲总时长
updateProgress();//更新进度条
}
private void updateProgress() {
// 使用Handler每间隔1s发送一次空消息，通知进度条更新
Message msg = Message.obtain();// 获取一个现成的消息
// 使用MediaPlayer获取当前播放时间除以总时间的进度
int progress = mp.getCurrentPosition();
msg.arg1 = progress;
mHandler.sendMessageDelayed(msg, INTERNAL_TIME);
}
public class MySeekBar implements SeekBar.OnSeekBarChangeListener {
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
}
/*滚动时,应当暂停后台定时器*/
public void onStartTrackingTouch(SeekBar seekBar) {
isSeekBarChanging = true;
}
/*滑动结束后，重新设置值*/
public void onStopTrackingTouch(SeekBar seekBar) {
isSeekBarChanging = false;
mp.seekTo(seekBar.getProgress());
}
}
protected void onDestroy() {
super.onDestroy();
if (mp != null) {
mp.stop();
mp.release();
}
Toast.makeText(getApplicationContext(), "退出啦", Toast.LENGTH_SHORT).show();
}
private void startNetThread() {
new Thread() {
@Override
public void run() {
try {
Socket socket = new Socket("192.168.1.2", 666);
InputStream is = socket.getInputStream();
OutputStream out = socket.getOutputStream();
out.write(NeedFindWords.getBytes()); //3.发送
out.flush();
byte[] bytes = new byte[1024];
int n = is.read(bytes);
Message msg = handlerDown.obtainMessage(HANDLER_MSG_TELL_RECV, new String(bytes, 0, n));
msg.sendToTarget();
is.close();
socket.close();
} catch (Exception e) {
}
}
}.start();
}
private Handler handler2=new Handler()
{
public void handleMessage(Message msg)
{
if (!Thread.currentThread().isInterrupted()) {
switch (msg.what) {
case 0:
progressBar.setMax(FileLength);
Log.i("文件长度----------->", progressBar.getMax()+"");
break;
case 1:
progressBar.setProgress(DownedFileLength);
int x=DownedFileLength*100/FileLength;
textView.setText(x+"%");
break;
case 2:
String[] strs=Path.split("/");
int lastSTR=0;
for(int i=0,len=strs.length;i<len;i++){
lastSTR=len;
System.out.println(strs[i].toString());
}
Toast.makeText(getApplicationContext(), "下载完成", Toast.LENGTH_LONG).show();
Toast.makeText(getApplicationContext(), strs[lastSTR-1].toString(), Toast.LENGTH_LONG).show();
break;
default:
break;
}
}
}
};
private void DownFile(String urlString)
{
String LastName="";
/*
* 连接到服务器
*/
try {
URL url=new URL(urlString);
String[] MFileName=urlString.split("/");
LastName=MFileName[MFileName.length-1];
System.out.println("***********************"+LastName);
connection=url.openConnection();
if (connection.getReadTimeout()==5) {
Log.i("---------->", "当前网络有问题");
// return;
}
inputStream=connection.getInputStream();
} catch (MalformedURLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
/*
* 文件的保存路径和和文件名其中Nobody.mp3是在手机SD卡上要保存的路径，如果不存在则新建
*/
String savePAth= Environment.getExternalStorageDirectory()+"/DownFile";
File file1=new File(savePAth);
if (!file1.exists()) {
file1.mkdir();
}
String savePathString=Environment.getExternalStorageDirectory()+"/DownFile/"+LastName;
File file =new File(savePathString);
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/*
* 向SD卡中写入文件,用Handle传递线程
*/
Message message=new Message();
try {
outputStream=new FileOutputStream(file);
byte [] buffer=new byte[1024*4];
FileLength=connection.getContentLength();
message.what=0;
handler2.sendMessage(message);
while (DownedFileLength<FileLength) {
outputStream.write(buffer);
DownedFileLength+=inputStream.read(buffer);
Log.i("-------->", DownedFileLength+"");
Message message1=new Message();
message1.what=1;
handler2.sendMessage(message1);
}
Message message2=new Message();
message2.what=2;
handler2.sendMessage(message2);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
AndroidManifest.xml333333333
<uses-permission android:name="android.permission.INTERNET"></uses-permission>
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
android:usesCleartextTraffic="true"
