jsyjst
7 years ago
parent
0138fcc1ac
commit
bf7cdaa90b
@ -0,0 +1,57 @@
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package com.example.musicplayer.util;
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import android.database.Cursor;
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import android.provider.MediaStore;
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import com.example.musicplayer.constant.MyApplication;
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import com.example.musicplayer.entiy.Mp3Info;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Created by 残渊 on 2018/10/22.
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*/
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public class MediaUntil{
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public static List<Mp3Info> getMp3Info(){
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List<Mp3Info> mp3InfoList=new ArrayList<>();
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Cursor cursor = MyApplication.getContext().getContentResolver().query(
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MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null, null, null,
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MediaStore.Audio.Media.DEFAULT_SORT_ORDER);
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for (int i = 0; i < cursor.getCount(); i++) {
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Mp3Info mp3Info = new Mp3Info();
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cursor.moveToNext();
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String title = cursor.getString((cursor
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.getColumnIndex(MediaStore.Audio.Media.TITLE)));//音乐标题
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String artist = cursor.getString(cursor
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.getColumnIndex(MediaStore.Audio.Media.ARTIST));//艺术家
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long duration = cursor.getLong(cursor
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.getColumnIndex(MediaStore.Audio.Media.DURATION));//时长
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long size = cursor.getLong(cursor
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.getColumnIndex(MediaStore.Audio.Media.SIZE)); //文件大小
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String url = cursor.getString(cursor
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.getColumnIndex(MediaStore.Audio.Media.DATA)); //文件路径
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int isMusic = cursor.getInt(cursor
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.getColumnIndex(MediaStore.Audio.Media.IS_MUSIC));//是否为音乐
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if (isMusic != 0) {//只把音乐添加到集合当中
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if (size > 1000 * 800) {
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// 注释部分是切割标题，分离出歌曲名和歌手 （本地媒体库读取的歌曲信息不规范）
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if (title.contains("-")) {
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String[] str = title.split("-");
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artist = str[0];
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title = str[1];
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}
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mp3Info.setTitle(title.trim());
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mp3Info.setArtist(artist);
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mp3Info.setDuration(duration);
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mp3Info.setSize(size);
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mp3Info.setUrl(url);
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mp3InfoList.add(mp3Info);
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}
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}
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}
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cursor.close();
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return mp3InfoList;
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}
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}
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@ -1,54 +1,180 @@
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package com.example.musicplayer.view;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.ServiceConnection;
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import android.media.MediaPlayer;
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import android.os.IBinder;
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import android.support.v4.app.FragmentManager;
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import android.support.v4.app.FragmentTransaction;
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import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.widget.Button;
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import android.widget.LinearLayout;
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import android.widget.SeekBar;
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import android.widget.TextView;
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import com.example.musicplayer.R;
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import com.example.musicplayer.entiy.Song;
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import com.example.musicplayer.service.PlayerService;
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import com.example.musicplayer.util.FileHelper;
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public class MainActivity extends AppCompatActivity {
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private boolean play=false;
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private Button playerBtn;
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private static final String TAG="MainActivity";
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private boolean isChange; //拖动进度条
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private boolean isSeek;//标记是否在暂停的时候拖动进度条
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private boolean flag; //用做暂停的标记
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private int time; //记录暂停的时间
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private Button mPlayerBtn;
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private TextView mSongNameTv;
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private TextView mSingerTv;
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private Song mSong;
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private LinearLayout mLinear;
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private MediaPlayer mMediaPlayer;
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private SeekBar mSeekBar;
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private Thread mSeekBarThread;
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private PlayerService.PlayStatusBinder mPlayStatusBinder;
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private ServiceConnection connection = new ServiceConnection() {
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@Override
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public void onServiceConnected(ComponentName name, IBinder service) {
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mPlayStatusBinder = (PlayerService.PlayStatusBinder) service;
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}
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@Override
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public void onServiceDisconnected(ComponentName name) {
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}
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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initView();
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onClick();
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}
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private void initView(){
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mSong= FileHelper.getSong();
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mSongNameTv=findViewById(R.id.tv_song_name);
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mSingerTv=findViewById(R.id.tv_singer);
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mLinear=findViewById(R.id.linear_player);
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if(mSong!=null){
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mSeekBar = findViewById(R.id.sb_progress);
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if(mSong.getTitle()!=null){
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//启动服务
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Intent playIntent = new Intent(MainActivity.this, PlayerService.class);
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bindService(playIntent, connection, Context.BIND_AUTO_CREATE);
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Log.d(TAG, "------initView:bindService ");
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mLinear.setVisibility(View.VISIBLE);
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mSongNameTv.setText(mSong.getTitle());
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mSingerTv.setText(mSong.getArtist());
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mSeekBar.setMax((int)mSong.getDuration());
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mSeekBar.setProgress((int)mSong.getCurrentTime());
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}else {
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mLinear.setVisibility(View.GONE);
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}
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playerBtn=findViewById(R.id.btn_player);
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mPlayerBtn=findViewById(R.id.btn_player);
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addMainFragment();
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}
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private void onClick(){
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//进度条的监听事件
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mSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
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@Override
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public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
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}
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@Override
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public void onStartTrackingTouch(SeekBar seekBar) {
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//防止在拖动进度条进行进度设置时与Thread更新播放进度条冲突
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isChange = true;
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isSeek = true;
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}
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@Override
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public void onStopTrackingTouch(SeekBar seekBar) {
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if (mMediaPlayer.isPlaying()) {
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mMediaPlayer.seekTo(seekBar.getProgress());
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} else {
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time = seekBar.getProgress();
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}
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isChange = false;
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mSeekBarThread = new Thread(new SeekBarThread());
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mSeekBarThread.start();
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}
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});
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//
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mPlayerBtn.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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if (mPlayStatusBinder.isPlaying()) {
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time = mMediaPlayer.getCurrentPosition();
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mPlayStatusBinder.pause();
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flag = true;
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mPlayerBtn.setSelected(false);
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} else if (flag) {
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mPlayStatusBinder.resume();
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flag = false;
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if (isSeek) {
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mMediaPlayer.seekTo(time);
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} else {
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isSeek = false;
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}
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mPlayerBtn.setSelected(true);
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mSeekBarThread = new Thread(new SeekBarThread());
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mSeekBarThread.start();
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} else {
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mMediaPlayer=mPlayStatusBinder.getMediaPlayer();
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mPlayStatusBinder.play((int)mSong.getCurrentTime());
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mPlayerBtn.setSelected(true);
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mSeekBarThread = new Thread(new SeekBarThread());
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mSeekBarThread.start();
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}
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}
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});
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}
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private void addMainFragment(){
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MainFragment mainFragment=new MainFragment();
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FragmentManager fragmentManager=getSupportFragmentManager();
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FragmentTransaction transaction=fragmentManager.beginTransaction();
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transaction.addToBackStack(null);
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transaction.add(R.id.fragment_container,mainFragment);
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transaction.commit();
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}
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@Override
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public void onDestroy(){
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super.onDestroy();
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unbindService(connection);
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Log.d(TAG, "-----onDestroy: ");
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}
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class SeekBarThread implements Runnable {
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@Override
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public void run() {
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while (!isChange && mPlayStatusBinder.isPlaying()) {
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mSeekBar.setProgress(mMediaPlayer.getCurrentPosition());
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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}
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}
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}
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