編輯：關於Android編程
實現效果如圖：
實現代碼如下：
PlayActivity如下：
package com.iwanghang.drmplayer;
import android.graphics.Bitmap;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.support.v4.view.ViewPager;
import android.support.v4.view.ViewPager.OnPageChangeListener;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.SeekBar;
import android.widget.SeekBar.OnSeekBarChangeListener;
import android.widget.TextView;
import android.widget.Toast;
import com.douzi.android.view.DefaultLrcBuilder;
import com.douzi.android.view.ILrcBuilder;
import com.douzi.android.view.ILrcView;
import com.douzi.android.view.LrcRow;
import com.douzi.android.view.LrcView;
import com.iwanghang.drmplayer.adapter.ViewPagerAdapter;
import com.iwanghang.drmplayer.utils.Constant;
import com.iwanghang.drmplayer.utils.DownloadUtils;
import com.iwanghang.drmplayer.utils.ImageUtils;
import com.iwanghang.drmplayer.utils.MediaUtils;
import com.iwanghang.drmplayer.utils.SearchMusicUtils;
import com.iwanghang.drmplayer.vo.Mp3Info;
import com.lidroid.xutils.db.sqlite.Selector;
import com.lidroid.xutils.exception.DbException;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.List;
import static com.iwanghang.drmplayer.PlayService.ORDER_PLAY;
import static com.iwanghang.drmplayer.PlayService.RANDOM_PLAY;
import static com.iwanghang.drmplayer.PlayService.SINGLE_PLAY;
/**
* PlayActivity 點擊MyMusicListFragment(本地音樂)底部UI中的專輯封面圖片打開的Activity
*/
public class PlayActivity extends BaseActivity implements OnClickListener, OnSeekBarChangeListener ,OnPageChangeListener {
private TextView textView2_title;//歌名
private ImageView imageView1_ablum;//專輯封面圖片
private SeekBar seekBar1;//進度條
private TextView textView1_start_time, textView1_end_time;//開始時間,結束時間
private ImageView imageView1_play_mode;//菜單
private ImageView imageView3_previous, imageView2_play_pause, imageView1_next;//上一首,播放暫停,下一首
private ImageView imageView1_ablum_reflection;//專輯封面圖片倒影
private ImageView imageView1_favorite;//收藏按鈕
//private ArrayList mp3Infos;
//private int position;//當前播放的位置
private boolean isPause = false;//當前播放的是否為暫停狀態
private static final int UPDATE_TIME = 0x10;//更新播放事件的標記
private DRMPlayerApp app;//取出全局對象 方便調用
//歌詞
private ViewPager viewPager;
private LrcView lrcView;// 自定義歌詞視圖
private ArrayList views = new ArrayList<>();
private static final int UPDATE_LRC = 0x20;//更新播放事件的標記
ILrcView mLrcView;
public final static String TAG = "PlayActivity";
private MediaPlayer mPlayer;
private ViewPagerAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_music_play);
//取出全局對象 方便調用
app = (DRMPlayerApp) getApplication();
//初始化界面信息
//textView2_title = (TextView) findViewById(R.id.textView2_title);//歌名
//imageView1_ablum = (ImageView) findViewById(R.id.imageView1_ablum);//專輯封面圖片
seekBar1 = (SeekBar) findViewById(R.id.seekBar1);//進度條
textView1_start_time = (TextView) findViewById(R.id.textView1_start_time);//開始時間
textView1_end_time = (TextView) findViewById(R.id.textView1_end_time);//結束時間
imageView1_play_mode = (ImageView) findViewById(R.id.imageView1_play_mode);//菜單
imageView3_previous = (ImageView) findViewById(R.id.imageView3_previous);//上一首
imageView2_play_pause = (ImageView) findViewById(R.id.imageView2_play_pause);//播放暫停
imageView1_next = (ImageView) findViewById(R.id.imageView1_next);//下一首
imageView1_favorite = (ImageView) findViewById(R.id.imageView1_favorite);//收藏按鈕
lrcView = (LrcView) findViewById(R.id.lrcView);//自定義歌詞視圖
//注冊按鈕點擊監聽事件
imageView1_play_mode.setOnClickListener(this);
imageView2_play_pause.setOnClickListener(this);
imageView3_previous.setOnClickListener(this);
imageView1_next.setOnClickListener(this);
seekBar1.setOnSeekBarChangeListener(this);
imageView1_favorite.setOnClickListener(this);
//mp3Infos = MediaUtils.getMp3Infos(this);
//bindPlayService();//綁定服務,異步過程,綁定後需要取得相應的值,來更新界面
myHandler = new MyHandler(this);
//獨立音樂播放界面 和 歌詞界面
//viewPager = (ViewPager) findViewById(R.id.fgv_player_main);
viewPager = (ViewPager) findViewById(R.id.viewpager);
initViewPager();//初始化
//以下直接調用change()是不行的,因為異步問題,會發生NullPointerException空指針異常
//從MyMusicListFragment的專輯封面圖片點擊時間傳過來的position(當前播放的位置)
//position = getIntent().getIntExtra("position",0);
//change(position);
//通過在BaseActivity中綁定Service,添加如下代碼實現change()
//musicUpdatrListener.onChange(playService.getCurrentProgeress());
//從MyMusicListFragment的專輯封面圖片點擊時間傳過來的isPause(當前播放的是否為暫停狀態)
//isPause = getIntent().getBooleanExtra("isPause",false);
// mLrcView = new LrcView(this, null);
// setContentView((View) mLrcView);
//
// //在目標位置讀取lrc文件
// File LrcDirFile = new File(Environment.getExternalStorageDirectory() + Constant.DIR_LRC);
// System.out.println("LrcDirFile : " + LrcDirFile);
// if (!LrcDirFile.exists()) {
// LrcDirFile.mkdirs();
// }
// //把lrc轉成字符串
// String lrc = LrcDirFile + "/" + "山丘" + ".lrc";
// //Log.d的輸出顏色是藍色的，僅輸出debug調試的意思，但他會輸出上層的信息，過濾起來可以通過DDMS的Logcat標簽來選擇.
// Log.d(TAG, "lrc:" + lrc);
//
// //把lrc的字符串 轉成數組
// ILrcBuilder builder = new DefaultLrcBuilder();
// List rows = builder.getLrcRows(lrc);
//
// //把lrc數組 設置到mLrcView裡
// mLrcView.setLrc(rows);
// //beginLrcPlay();
//
// //設置監聽器,監聽歌詞滾動
// mLrcView.setListener(new ILrcView.LrcViewListener() {
// public void onLrcSeeked(int newPosition, LrcRow row) {
// if (mPlayer != null) {
// Log.d(TAG, "onLrcSeeked:" + row.time);
// mPlayer.seekTo((int)row.time);//用戶滑動歌詞界面,調整進度
// }
// }
// });
}
private void initViewPager() {//專輯封面圖片Pager與歌詞Pager
//View album_image_layout = getLayoutInflater().inflate(R.layout.album_image_layout, null);
//System.out.println("PlayActivity.initViewPager.album_image_layout:" + album_image_layout);
View album_image_layout = LayoutInflater.from(getApplicationContext()).inflate(R.layout.album_image_layout, null);
System.out.println("PlayActivity.initViewPager.album_image_layout:" + album_image_layout);
//初始化界面信息
//textView2_title = (TextView) findViewById(R.id.textView2_title);//歌名
//這裡要注意下,直接findViewById,返回的是textView2_title是null;像下面這樣,加上layout才可以,否則在change的時候會報空指針異常
textView2_title = (TextView) album_image_layout.findViewById(R.id.textView2_title);//歌名
//System.out.println("PlayActivity.initViewPager.textView2_title:" + textView2_title);
//System.out.println("PlayActivity.initViewPager.textView2_title.getText:" + textView2_title.getText());
imageView1_ablum = (ImageView) album_image_layout.findViewById(R.id.imageView1_ablum);//專輯封面圖片
imageView1_ablum_reflection = (ImageView) album_image_layout.findViewById(R.id.imageView1_ablum_reflection);//專輯封面圖片倒影
views.add(album_image_layout);//添加專輯封面圖片Pager
//View lrc_layout = getLayoutInflater().inflate(R.layout.lrc_layout, null);
View lrc_layout = LayoutInflater.from(getApplicationContext()).inflate(R.layout.lrc_layout, null);
System.out.println("PlayActivity.initViewPager.lrc_layout:" + lrc_layout);
lrcView = (LrcView) lrc_layout.findViewById(R.id.lrcView);
//設置滾動事件
lrcView.setListener(new ILrcView.LrcViewListener() {
@Override
public void onLrcSeeked(int newPosition, LrcRow row) {
if (playService.isPlaying()) {
playService.seekTo((int) row.time);
}
}
});
lrcView.setLoadingTipText("正在加載歌詞......");
lrcView.setBackgroundResource(R.mipmap.app_splash_bg);
lrcView.getBackground().setAlpha(150);//背景透明度0-255
views.add(lrc_layout);
System.out.println("PlayActivity.initViewPager.views:" + views);
//adapter = new ViewPagerAdapter(views);
adapter = new ViewPagerAdapter(views);
viewPager.setAdapter(adapter);
//viewPager.setAdapter(new ViewPagerAdapter(views));
System.out.println("PlayActivity.initViewPager.viewPager:" + viewPager);
viewPager.addOnPageChangeListener(this);
System.out.println("PlayActivity.initViewPager.viewPager:" + viewPager);
}
//把播放服務的綁定和解綁放在onResume,onPause裡,好處是,每次回到當前Activity就獲取一次播放狀態
@Override
protected void onResume() {
super.onResume();
bindPlayService();//綁定服務
}
@Override
protected void onPause() {
super.onPause();
unbindPlayService();//解綁服務
}
@Override
protected void onDestroy() {
super.onDestroy();
unbindPlayService();//解綁服務
}
//Handler用於更新已經播放時間
private static MyHandler myHandler;
//進度條改變 (fromUser 是否來自用戶的改變 , 而不是程序自身控制的改變)
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
if (fromUser) {
//playService.pause();//暫停
playService.seekTo(progress);//尋找指定的時間位置 (跳到某個時間點進行播放)
//playService.start();//播放
}
}
//進度條開始觸摸
@Override
public void onStartTrackingTouch(SeekBar seekBar) {
}
//進度條停止觸摸
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
}
//頁面滾動
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
//頁面選擇
@Override
public void onPageSelected(int position) {
}
//頁面滾動狀態改變
@Override
public void onPageScrollStateChanged(int state) {
}
static class MyHandler extends Handler {
private PlayActivity playActivity;
private WeakReference weak;//弱引用
public MyHandler(PlayActivity playActivity) {
//this.playActivity = playActivity;
weak = new WeakReference(playActivity);
}
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
//System.out.println("PlayActivity.MyHandler.weak = " + weak);
playActivity = weak.get();
//System.out.println("PlayActivity.MyHandler.playActivity = " + playActivity);
if (playActivity != null) {
switch (msg.what) {
case UPDATE_TIME://更新時間(已經播放時間)
playActivity.textView1_start_time.setText(MediaUtils.formatTime((int) msg.obj));
break;
case UPDATE_LRC:
playActivity.lrcView.seekLrcToTime((int) msg.obj);
break;
default:
break;
}
}
}
}
@Override
public void publish(int progress) {
//以下是是直接調用線程,但是不能這樣做,會報錯,線程異常
//textView1_start_time.setText(MediaUtils.formatTime(progress));
//所以,我們需要使用Handler
//Message msg = myHandler.obtainMessage(UPDATE_TIME);//用於更新已經播放時間
//msg.arg1 = progress;//用於更新已經播放時間
//myHandler.sendMessage(msg);//用於更新已經播放時間
//seekBar1.setProgress(progress);
myHandler.obtainMessage(UPDATE_TIME, progress).sendToTarget();
seekBar1.setProgress(progress);
myHandler.obtainMessage(UPDATE_LRC, progress).sendToTarget();
//System.out.println("PlayActivity.publish.myHandler = " + myHandler);
//System.out.println("PlayActivity.publish.UPDATE_LRC = " + UPDATE_LRC);
//System.out.println("PlayActivity.publish.progress = " + progress);
}
@Override
public void change(int position) {//初始化,獨立播放界面的歌曲切換後的初始化界面上的歌曲信息
//if (this.playService.isPlaying()) {//獲取是否為播放狀態
//System.out.println("PlayActivity.change.position = " + position);
Mp3Info mp3Info = playService.mp3Infos.get(position);
//System.out.println("PlayActivity.change.getTitle = " + mp3Info.getTitle());
textView2_title.setText(mp3Info.getTitle());//設置歌名
//textView2_title.setTtileText(mp3Info.getTitle());//設置歌名
//System.out.println("PlayActivity.change.textView2_title = " + textView2_title);
//System.out.println("PlayActivity.change.getText : " + textView2_title.getText());
//System.out.println("PlayActivity.change.getText : " + textView2_title.getTtileText());
//下面這句話是提交更新UI的,但是這個功能在adapter裡面實現了,但是實現的方式,只適合UI需要更新的內容很少的時候
//而且,就算使用,也是設置了專輯圖片和倒影,以後使用,不是這裡.
//之所以放在這裡,是因為我開始調試的時候,無法setText,最後通過Debug找到了問題所在
//以後我會專門開個博文,介紹一下Debug
//adapter.notifyDataSetChanged();
//setText後,歌名沒有顯示,但是可以getText,嘗試隱藏/顯示,來刷新UI,結果歌名還是沒有顯示
//viewPager.setVisibility(View.GONE);
//getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.activity_music_play);
//viewPager.setVisibility(View.VISIBLE);
//setText後,歌名沒有顯示,但是可以getText,嘗試隱藏/顯示,來刷新UI,結果歌名還是沒有顯示
//viewPager.setVisibility(View.GONE);
//viewPager.setVisibility(View.VISIBLE);
//獲取專輯封面圖片
Bitmap albumBitmap = MediaUtils.getArtwork(this, mp3Info.getId(), mp3Info.getAlbumId(), true, false);
//改變播放界面專輯封面圖片
imageView1_ablum.setImageBitmap(albumBitmap);
textView1_end_time.setText(MediaUtils.formatTime(mp3Info.getDuration()));//設置結束時間
imageView2_play_pause.setImageResource(R.mipmap.app_music_pause);//設置暫停圖片
seekBar1.setProgress(0);//設置當前進度為0
seekBar1.setMax((int) mp3Info.getDuration());//設置進度條最大值為MP3總時間
if (playService.isPlaying()) {
imageView2_play_pause.setImageResource(R.mipmap.app_music_pause);
} else {
imageView2_play_pause.setImageResource(R.mipmap.app_music_play);
}
if (imageView1_ablum != null) {
imageView1_ablum_reflection.setImageBitmap(ImageUtils.createReflectionBitmapForSingle(albumBitmap));//顯示倒影
}
switch (playService.getPlay_mode()) {
case ORDER_PLAY://順序播放
imageView1_play_mode.setImageResource(R.mipmap.app_mode_order);
//imageView2_play_pause.setTag(ORDER_PLAY);
break;
case PlayService.RANDOM_PLAY://隨機播放
imageView1_play_mode.setImageResource(R.mipmap.app_mode_random);
//imageView2_play_pause.setTag(RANDOM_PLAY);
break;
case PlayService.SINGLE_PLAY://單曲循環
imageView1_play_mode.setImageResource(R.mipmap.app_mode_single);
//imageView2_play_pause.setTag(SINGLE_PLAY);
break;
default:
break;
}
long id = getId(mp3Info);
//初始化收藏狀態
try {
Mp3Info loveMp3Info = app.dbUtils.findFirst(Selector.from(Mp3Info.class).where("mp3InfoId", "=", mp3Info.getMp3InfoId()));//查出歌曲,SQL語句
System.out.println("初始化收藏狀態" + loveMp3Info);
// if (loveMp3Info != null) {
// imageView1_favorite.setImageResource(R.mipmap.app_love_selected);
// } else {
// imageView1_favorite.setImageResource(R.mipmap.app_love_unselected);
// }
if (loveMp3Info != null) {
System.out.println("loveMp3Info.getIsLove() = " + loveMp3Info.getIsLove());
if (loveMp3Info.getIsLove() == 0) {//返回值不為null,且,isLove為0時,也顯示為'未收藏'
imageView1_favorite.setImageResource(R.mipmap.app_love_unselected);
}else {//返回值為null,且,isLove為1時,一定顯示為'已收藏'
imageView1_favorite.setImageResource(R.mipmap.app_love_selected);
}
} else {//返回值為null,一定顯示為'未收藏'
imageView1_favorite.setImageResource(R.mipmap.app_love_unselected);
}
} catch (DbException e) {
e.printStackTrace();
}
//歌詞
String songName = mp3Info.getTitle();
String artistName = mp3Info.getArtist();
//歌詞功能還不完善,後面會博文,會繼續完善,暫時使用我已經下載好的lrc測試效果.
//songName = "山丘";//測試用的lrc的歌名
String lrcPath = Environment.getExternalStorageDirectory() + Constant.DIR_LRC + "/" + songName + ".lrc";
File lrcFile = new File(lrcPath);
if (!lrcFile.exists()){
//下載歌詞
System.out.println("下載歌詞");
DownloadUtils.getsInstance().downloadLRC(songName,artistName,myHandler);
Toast.makeText(PlayActivity.this, "請下次播放本首歌曲時,將顯示歌詞", Toast.LENGTH_SHORT).show();
}else{
loadLRC(lrcFile);
}
}
//如果是本地音樂,id就是id;如果是收藏音樂,id則是mp3InfoId
//提供給 收藏按鈕 點擊事件時 調用.
private long getId(Mp3Info mp3Info){
//初始收藏狀態
long id = 0;
switch (playService.getChangePlayList()){
case PlayService.MY_MUSIC_LIST:
System.out.println("當前為本地列表");
id = mp3Info.getId();
System.out.println("id =" + id);
break;
case PlayService.LOVE_MUSIC_LIST:
System.out.println("當前為收藏列表");
id = mp3Info.getMp3InfoId();
System.out.println("id =" + id);
break;
default:
break;
}
return id;
}
//點擊事件
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.imageView2_play_pause: {//播放暫停按鈕
if (playService.isPlaying()) {//如果是播放狀態
imageView2_play_pause.setImageResource(R.mipmap.app_music_play);//設置播放圖片
playService.pause();
} else {
if (playService.isPause()) {
imageView2_play_pause.setImageResource(R.mipmap.app_music_pause);//設置暫停圖片
playService.start();//播放事件
} else {
//只有打開APP沒有點擊任何歌曲,同時,直接點擊暫停播放按鈕時.才會調用
//playService.play(0);
//只有打開APP沒有點擊任何歌曲,同時,直接點擊暫停播放按鈕時.才會調用
//默認播放的是,在PlayService的onCreate中 恢復狀態值
playService.play(playService.getCurrentPosition());
}
}
break;
}
case R.id.imageView1_next: {//下一首按鈕
playService.next();//下一首
break;
}
case R.id.imageView3_previous: {//上一首按鈕
playService.prev();//上一首
break;
}
case R.id.imageView1_play_mode: {//循環模式按鈕
//int mode = (int) imageView1_play_mode.getTag();
/**
* 以下Tosat內容,在strings.xml裡,添加對應代碼
*順序播放
*隨機播放
*單曲循環
*/
switch (playService.getPlay_mode()) {
case ORDER_PLAY:
imageView1_play_mode.setImageResource(R.mipmap.app_mode_random);
//imageView1_play_mode.setTag(RANDOM_PLAY);
playService.setPlay_mode(RANDOM_PLAY);
//Toast.makeText(getApplicationContext(),"隨機播放",Toast.LENGTH_SHORT).show();//這句也可以
//Toast.makeText(PlayActivity.this, "隨機播放", Toast.LENGTH_SHORT).show();//這句也可以
Toast.makeText(PlayActivity.this, getString(R.string.random_play), Toast.LENGTH_SHORT).show();
break;
case RANDOM_PLAY:
imageView1_play_mode.setImageResource(R.mipmap.app_mode_single);
//imageView1_play_mode.setTag(SINGLE_PLAY);
playService.setPlay_mode(SINGLE_PLAY);
//Toast.makeText(getApplicationContext(),"單曲循環",Toast.LENGTH_SHORT).show();//這句也可以
//Toast.makeText(PlayActivity.this, "單曲循環", Toast.LENGTH_SHORT).show();//這句也可以
Toast.makeText(PlayActivity.this, getString(R.string.single_play), Toast.LENGTH_SHORT).show();
break;
case SINGLE_PLAY:
imageView1_play_mode.setImageResource(R.mipmap.app_mode_order);
//imageView1_play_mode.setTag(ORDER_PLAY);
playService.setPlay_mode(ORDER_PLAY);
//Toast.makeText(getApplicationContext(),"順序播放",Toast.LENGTH_SHORT).show();//這句也可以
//Toast.makeText(PlayActivity.this, "順序播放", Toast.LENGTH_SHORT).show();//這句也可以
Toast.makeText(PlayActivity.this, getString(R.string.order_play), Toast.LENGTH_SHORT).show();
break;
}
break;
}
case R.id.imageView1_favorite: {//收藏按鈕 //在vo.Mp3Info裡 private long mp3InfoId;//在收藏音樂時用於保存原始ID
Mp3Info mp3Info = playService.mp3Infos.get(playService.getCurrentPosition());//查出歌曲
System.out.println(mp3Info);
try {
Mp3Info loveMp3Info = app.dbUtils.findFirst(Selector.from(Mp3Info.class).where("mp3InfoId","=",getId(mp3Info)));//查出歌曲,SQL語句
System.out.println(loveMp3Info);
if (loveMp3Info==null){//返回值為null,則一定需要save
System.out.println("不在音樂收藏數據庫中 保存音樂數據 原始數據: " + mp3Info);
mp3Info.setMp3InfoId(mp3Info.getId());
mp3Info.setIsLove(1);
System.out.println(mp3Info);
app.dbUtils.save(mp3Info);//在音樂收藏數據庫 保存音樂
System.out.println("save");
imageView1_favorite.setImageResource(R.mipmap.app_love_selected);
//以下是:調試使用,保存以後再查一遍
loveMp3Info = app.dbUtils.findFirst(Selector.from(Mp3Info.class).where("mp3InfoId","=",getId(mp3Info)));//查出歌曲,SQL語句
System.out.println("調試使用,保存以後再查一遍 最新數據: " + loveMp3Info);
}else {//返回值不為null,則一定需要update
System.out.println("在音樂收藏數據庫中 更新音樂數據 原始數據: " + loveMp3Info);
int isLove = loveMp3Info.getIsLove();
if (isLove==1){//返回值不為null,且,isLove為1時;設置isLove為0,同時顯示為'未收藏'
loveMp3Info.setIsLove(0);
imageView1_favorite.setImageResource(R.mipmap.app_love_unselected);
}else {//返回值不為null,且,isLove為0時;設置isLove為1,同時顯示為'已收藏'
loveMp3Info.setIsLove(1);
imageView1_favorite.setImageResource(R.mipmap.app_love_selected);
}
System.out.println("update");
app.dbUtils.update(loveMp3Info,"isLove");//更新loveMp3Info數據
//以下是:調試使用,更新以後再查一遍
loveMp3Info = app.dbUtils.findFirst(Selector.from(Mp3Info.class).where("mp3InfoId", "=", getId(mp3Info)));//查出歌曲,SQL語句
System.out.println("調試使用,更新以後再查一遍 最新數據: " + loveMp3Info);
}
} catch (DbException e) {
e.printStackTrace();
}
break;
}
default:
break;
}
}
//加載歌詞
private void loadLRC(File lrcFile){
StringBuffer buf = new StringBuffer(1024 * 10);
char[] chars = new char[1024];
try {
BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(lrcFile)));
int len = -1;
while ((len = in.read(chars)) != -1){
buf.append(chars,0,len);
}
in.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
}catch (IOException e) {
e.printStackTrace();
}
ILrcBuilder builder = new DefaultLrcBuilder();
List rows = builder.getLrcRows(buf.toString());
lrcView.setLrc(rows);
//加載專輯封面圖片為背景的方法(實際使用,發現效果不理想)
//long id = mp3Info.getMp3InfoId()==0?mp3Info.getId:mp3Info.getMp3InfoId();
//Bitmap bg = MediaUtils.getArtwork(this, id ,mp3Info.getAlbumId(),false,false);
//if(bg != null){
// lrcView.getBackground(new BitmapDrawable(getResources(),bg));
// lrcView.getBackground().setAlpha(120);
//}
}
}
package com.iwanghang.drmplayer.utils;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import com.iwanghang.drmplayer.vo.SearchResult;
import com.squareup.okhttp.OkHttpClient;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;
import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.select.Elements;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import javax.xml.parsers.ParserConfigurationException;
/**
* Created by iwanghang on 16/5/3.
* 網絡音樂下載工具類
*/
public class DownloadUtils {
private static final String DOWNLOAD_URL = "/download?_o=%2Fsearch%2Fsong";
private static final int SUCCESS_LRC = 1;//下載歌詞成功
private static final int FAILED_LRC = 2;//下載歌詞失敗
private static final int SUCCESS_MP3 = 3;//下載歌曲成功
private static final int FAILED_MP3 = 4;//下載歌曲失敗
private static final int GET_MP3_URL = 5;//獲取音樂下載地址成功
private static final int GET_FAILED_MP3_URL = 6;//獲取音樂下載地址失敗
private static final int MUSIC_EXISTS = 7;//下載時,音樂已存在
private static DownloadUtils sInstance;
private OnDownloadListener mListener;
private ExecutorService mThreadPool;
/**
*設置回調監聽器對象
* @param mListener
* @return
*/
public DownloadUtils setListener(OnDownloadListener mListener){
this.mListener = mListener;
return this;
}
//獲取下載工具的實例
public synchronized static DownloadUtils getsInstance(){
if (sInstance == null){
try {
sInstance = new DownloadUtils();
} catch (ParserConfigurationException e) {
e.printStackTrace();
}
}
return sInstance;
}
/**
* 下載的具體業務方法
* @throws ParserConfigurationException
*/
private DownloadUtils() throws ParserConfigurationException{
mThreadPool = Executors.newSingleThreadExecutor();
}
public void download(final SearchResult searchResult){
final Handler handler = new Handler(){
@Override
public void handleMessage(Message msg) {
switch (msg.what){
case SUCCESS_LRC:
if (mListener != null) mListener.onDowload(searchResult.getMusicName()+"的歌詞下載成功");
break;
case FAILED_LRC:
if (mListener != null) mListener.onFailed(searchResult.getMusicName()+"的歌詞下載失敗");
break;
case GET_MP3_URL:
System.out.println("GET_MP3_URL:"+msg.obj);
downloadMusic(searchResult,(String)msg.obj,this);
break;
case GET_FAILED_MP3_URL:
if (mListener != null) mListener.onFailed(searchResult.getMusicName()+"的MP3下載失敗");
break;
case SUCCESS_MP3:
if (mListener != null) mListener.onDowload(searchResult.getMusicName()+"的MP3已經下載");
String url = Constant.MIGU_URL + searchResult.getUrl();
System.out.println("download lrc:"+url);
downloadLRC(searchResult.getMusicName(),searchResult.getArtist(),this);
break;
case FAILED_MP3:
if (mListener != null) mListener.onFailed(searchResult.getMusicName()+"的MP3下載失敗");
break;
case MUSIC_EXISTS:
if (mListener != null) mListener.onFailed(searchResult.getMusicName()+"已存在");
break;
}
}
};
getDownloadMusicURL(searchResult,handler);
}
//獲取下載歌詞的URL
private void getDownloadLrcURL(final SearchResult searchResult, final Handler handler) {
mThreadPool.execute(new Runnable() {
@Override
public void run() {
//http://music.baidu.com/search/lrc?key=%E6%9C%89%E5%BF%83%E4%BA%BA%20G.E.M.%E9%82%93%E7%B4%AB%E6%A3%8B
//"http://music.baidu.com/search/lrc?key=" + 歌名 + " " + 歌手
//System.out.println("searchResult.getUrl() = " + searchResult.getUrl());
//String[] aa = searchResult.getUrl().split("/");
//String sn = aa[5];
//System.out.println("歌曲編號 = " + sn);
//從浏覽器復制出來的Url是這樣的,"http://music.baidu.com/search?key=%E6%B2%A1%E6%9C%89";
//漢字經過utf8編碼,比如 冰雨 == %E5%86%B0%E9%9B%A8;
//經過測試 獲取頁面 使用"http://music.baidu.com/search?key=冰雨";無法打開正確連接
//比如使用URLEncoder.encode轉碼,轉為utf8
//實際使用 獲取頁面 使用"http://music.baidu.com/search?key=%E6%B2%A1%E6%9C%89";
try {
String musicName = URLEncoder.encode(searchResult.getMusicName(), "utf8");
String artistName = URLEncoder.encode(searchResult.getArtist(), "utf8");
//String url = Constant.BAIDU_LRC_SEARCH_HEAD + searchResult.getMusicName() + " " + searchResult.getArtist();
String url = Constant.BAIDU_LRC_SEARCH_HEAD + musicName + "+" + artistName;
System.out.println("歌詞下載頁面url = " + url);
Document doc = Jsoup.connect(url).userAgent(Constant.USER_AGENT).timeout(6000).get();
//System.out.println("歌詞下載頁面 doc : " + doc);
Elements lrcUrls = doc.select("span.lyric-action");
System.out.println(lrcUrls);
for (int i=0;i下載LRC歌詞
if (urla.indexOf("'href':'")>0){
String[] uu = urla.split("'href':'");
System.out.println("uu1 : " + uu[1]);
//uu1 : /data2/lrc/14488216/14488216.lrc' }" href="#">下載LRC歌詞
String[] uuu = uu[1].split(".lrc");
System.out.println("uuu0 : " + uuu[0]);
//uuu0 : /data2/lrc/14488216/14488216
String result = "http://music.baidu.com" + uuu[0] + ".lrc";
System.out.println("result : " + result);
//result : http://music.baidu.com/data2/lrc/14488216/14488216.lrc
Message msg = handler.obtainMessage(SUCCESS_LRC,result);
msg.sendToTarget();
break;
}
}
}
} catch (IOException e) {
e.printStackTrace();
handler.obtainMessage(FAILED_LRC).sendToTarget();
}
}
});
}
//獲取下載音樂的URL
private void getDownloadMusicURL(final SearchResult searchResult, final Handler handler) {
mThreadPool.execute(new Runnable() {
@Override
public void run() {
//http://music.migu.cn/#/album/1003215276
//1003215279
//http://music.migu.cn/order/1003215279/down/self/P2Z3Y12L1N2/3/001002A/1003215279
System.out.println("searchResult.getUrl() = " + searchResult.getUrl());
String[] aa = searchResult.getUrl().split("/");
String sn = aa[5];
System.out.println("歌曲編號 = " + sn);
String url = Constant.MIGU_DOWN_HEAD + sn + Constant.MIGU_DOWN_FOOT;
System.out.println("歌曲下載頁面url = " + url);
try {
Document doc = Jsoup.connect(url).userAgent(Constant.USER_AGENT).timeout(6000).get();
//System.out.println(doc);
System.out.println("doc.toString() = " + doc.toString());
String[] bb = doc.toString().split("song");//把 下載頁面源碼 按照"song"分割
for (int i=0;i0){
System.out.println("mp3?msisdn = " + bb[i]);
String initMp3Url = bb[i];//initMp3Url 初始Mp3下載鏈接,如下
//mp3?msisdn = ":"http://tyst.migu.cn/public/ringmaker01/10月31日中文延期/文件/全套格式/9000首/全曲試聽/Mp3_128_44_16/一起走過的日子-劉德華.mp3?msisdn\u003d7b609763f0ff","
String[] arrayHttp = initMp3Url.split("http");//把 初始Mp3下載鏈接 按照"http"分割
String[] arrayMp3 = arrayHttp[1].split(".mp3");//把 arrayHttp 按照".mp3"分割
String result = "http" + arrayMp3[0] + ".mp3";//把分割去掉的"http"和".mp3",組合回來
System.out.println("result");
//String result = "http://tyst.migu.cn/public/ringmaker01/10月31日中文延期/文件/全套格式/9000首/全曲試聽/Mp3_128_44_16/一起走過的日子-劉德華.mp3";
Message msg = handler.obtainMessage(GET_MP3_URL,result);
msg.sendToTarget();
}
}
} catch (IOException e) {
e.printStackTrace();
handler.obtainMessage(GET_FAILED_MP3_URL).sendToTarget();
}
}
});
}
//下載歌詞
public void downloadLRC(final String musicName, final String artistName, final Handler handler){
mThreadPool.execute(new Runnable() {
@Override
public void run() {
//從浏覽器復制出來的Url是這樣的,"http://music.baidu.com/search?key=%E6%B2%A1%E6%9C%89";
//漢字經過utf8編碼,比如 冰雨 == %E5%86%B0%E9%9B%A8;
//經過測試 獲取頁面 使用"http://music.baidu.com/search?key=冰雨";無法打開正確連接
//比如使用URLEncoder.encode轉碼,轉為utf8
//實際使用 獲取頁面 使用"http://music.baidu.com/search?key=%E6%B2%A1%E6%9C%89";
try {
String musicNameEn = URLEncoder.encode(musicName, "utf8");
String artistNameEn = URLEncoder.encode(artistName, "utf8");
//String url = Constant.BAIDU_LRC_SEARCH_HEAD + searchResult.getMusicName() + " " + searchResult.getArtist();
String url = Constant.BAIDU_LRC_SEARCH_HEAD + musicNameEn + "+" + artistNameEn;
System.out.println("歌詞下載頁面url = " + url);
Document doc = Jsoup.connect(url).userAgent(Constant.USER_AGENT).timeout(6000).get();
//System.out.println("歌詞下載頁面 doc : " + doc);
Elements lrcUrls = doc.select("span.lyric-action");
System.out.println(lrcUrls);
for (int i = 0; i < lrcUrls.size(); i++) {
Elements urlsa = lrcUrls.get(i).getElementsByTag("a");
System.out.println("tag a urlsa : " + urlsa);
for (int a = 0; a < urlsa.size(); a++) {
//System.out.println("----" + urlsa.get(a).toString());
String urla = urlsa.get(a).toString();
System.out.println("-----" + urla);
//-----下載LRC歌詞
if (urla.indexOf("'href':'") > 0) {
String[] uu = urla.split("'href':'");
System.out.println("uu1 : " + uu[1]);
//uu1 : /data2/lrc/14488216/14488216.lrc' }" href="#">下載LRC歌詞
String[] uuu = uu[1].split(".lrc'");
System.out.println("uuu0 : " + uuu[0]);
//uuu0 : /data2/lrc/246970367/246970367.lrc
String lrcDwonUrl = "http://music.baidu.com" + uuu[0] + ".lrc";
System.out.println("lrcDwonUrl : " + lrcDwonUrl);
//result : http://music.baidu.com/data2/lrc/14488216/14488216.lrc
File LrcDirFile = new File(Environment.getExternalStorageDirectory() + Constant.DIR_LRC);
System.out.println("LrcDirFile : " + LrcDirFile);
if (!LrcDirFile.exists()) {
LrcDirFile.mkdirs();
}
String target = LrcDirFile + "/" + musicName + ".lrc";
System.out.println("lrcDwonUrl : " + lrcDwonUrl);
System.out.println("target : " + target);
File fileTarget = new File(target);
if (fileTarget.exists()) {
handler.obtainMessage(MUSIC_EXISTS).sendToTarget();
return;
} else {
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder().url(lrcDwonUrl).build();
Response response = client.newCall(request).execute();
if (response.isSuccessful()) {
PrintStream ps = new PrintStream(new File(target));
byte[] bytes = response.body().bytes();
ps.write(bytes, 0, bytes.length);
ps.close();
handler.obtainMessage(SUCCESS_LRC, target).sendToTarget();
}
}
}
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
});
}
//下載MP3
private void downloadMusic(final SearchResult searchResult,final String url,final Handler handler){
mThreadPool.execute(new Runnable() {
@Override
public void run() {
File musicDirFile = new File(Environment.getExternalStorageDirectory()+Constant.DIR_MUSIC);
if (!musicDirFile.exists()){
musicDirFile.mkdirs();
}
String mp3url = url;
//String mp3url = "http://tyst.migu.cn/public/600902-2008430/tone/2008/09/10/2008年9月/4月環球106首歌曲/彩鈴/7_mp3-128kbps/等你等到我心痛-張學友.mp3";
String target = musicDirFile + "/" + searchResult.getMusicName() + ".mp3";
System.out.println(mp3url);
System.out.println(target);
File fileTarget = new File(target);
if (fileTarget.exists()){
handler.obtainMessage(MUSIC_EXISTS).sendToTarget();
return;
}else {
//使用OkHttpClient組件
OkHttpClient client = new OkHttpClient();
Request request = new Request.Builder().url(mp3url).build();
System.out.println(request);
try {
Response response = client.newCall(request).execute();
if (response.isSuccessful()){
PrintStream ps = new PrintStream(fileTarget);
byte[] bytes = response.body().bytes();
ps.write(bytes,0,bytes.length);
ps.close();
handler.obtainMessage(SUCCESS_MP3).sendToTarget();
}
} catch (IOException e) {
e.printStackTrace();
handler.obtainMessage(FAILED_MP3).sendToTarget();
}
}
}
});
}
//自定義下載事件監聽器
public interface OnDownloadListener {
public void onDowload(String mp3Url);
public void onFailed(String error);
}
}
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