自制MP3播放器
自己做的一个MP3播放器
Tomcat下载列表文件
resources.xml
<?xml version="1.0" encoding="UTF-8"?> <resources> <resource> <id>001</id> <music.name>这,就是爱</music.name> <music.artist>张杰</music.artist> <music.type>mp3</music.type> <music.size>4700288</music.size> <lrc.name>这,就是爱</lrc.name> <lrc.type>lrc</lrc.type> <lrc.size>1188</lrc.size> </resource> <resource> <id>002</id> <music.name>思念是一种病</music.name> <music.artist>张震岳</music.artist> <music.type>mp3</music.type> <music.size>4095396</music.size> <lrc.name>思念是一种病</lrc.name> <lrc.type>lrc</lrc.type> <lrc.size>2108</lrc.size> </resource> <resource> <id>003</id> <music.name>稻香</music.name> <music.artist>周杰伦</music.artist> <music.type>mp3</music.type> <music.size>3578366</music.size> <lrc.name>稻香</lrc.name> <lrc.type>lrc</lrc.type> <lrc.size>1627</lrc.size> </resource> <resource> <id>004</id> <music.name>简单爱</music.name> <music.artist>周杰伦</music.artist> <music.type>mp3</music.type> <music.size>6609364</music.size> <lrc.name>简单爱</lrc.name> <lrc.type>lrc</lrc.type> <lrc.size>1315</lrc.size> </resource> <resource> <id>005</id> <music.name>听妈妈的话</music.name> <music.artist>周杰伦</music.artist> <music.type>mp3</music.type> <music.size>7218980</music.size> <lrc.name>听妈妈的话</lrc.name> <lrc.type>lrc</lrc.type> <lrc.size>2266</lrc.size> </resource> </resources>
org.wp.activity
MainActivity
package org.wp.activity;
import android.app.TabActivity;
import android.content.Intent;
import android.os.Bundle;
import android.widget.TabHost;
import android.widget.TabWidget;
import android.widget.TextView;
public class MainActivity extends TabActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// 取得TabHost对象
TabHost tabHost = getTabHost();
// 去除TabHost横线
tabHost.setPadding(0, 0, 0, -6);
Intent remoteIntent = new Intent(MainActivity.this,
RemoteListActivity.class);
// 新建一个newTabSpec(newTabSpec);
TabHost.TabSpec remoteTabSpec = tabHost.newTabSpec("下载列表");
// 设置其标签和图表(setIndicator)
remoteTabSpec.setIndicator("下载列表");
// 设置内容(setContent)
remoteTabSpec.setContent(remoteIntent);
tabHost.addTab(remoteTabSpec);
Intent localIntent = new Intent(MainActivity.this,
LocalListActivity.class);
TabHost.TabSpec localTabSpec = tabHost.newTabSpec("本地音乐");
localTabSpec.setIndicator("本地音乐");
localTabSpec.setContent(localIntent);
tabHost.addTab(localTabSpec);
TabWidget tabWidget = tabHost.getTabWidget();
for (int i = 0; i < tabWidget.getChildCount(); i++) {
// 设置高度
tabWidget.getChildAt(i).getLayoutParams().height = 35;
// 设置字体
((TextView) getTabWidget().getChildAt(i).findViewById(
android.R.id.title)).setTextSize(20);
}
}
}
RemoteListActivity
package org.wp.activity;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.wp.activity.service.DownloadService;
import org.wp.domain.MusicInfo;
import org.wp.utils.HttpDownloadUtil;
import org.wp.utils.SAXMusicInfo;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
public class RemoteListActivity extends Activity {
private static final int UPDATE = 1;
private static final int MANAGE = 2;
private static final int ABOUT = 3;
private ListView listView;
private List<MusicInfo> musicInfos;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.remote);
listView = (ListView) this.findViewById(R.id.remoteListView);
}
@Override
public void onResume() {
// 载入下载列表
loadMusicList();
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
MusicInfo musicInfo = musicInfos.get(position);
Intent intent = new Intent();
intent.putExtra("musicInfo", musicInfo);
intent.setClass(RemoteListActivity.this,
DownloadService.class);
startService(intent);
} else {
Toast.makeText(RemoteListActivity.this,
R.string.externalStorageState, Toast.LENGTH_LONG)
.show();
}
}
});
super.onResume();
}
// 当客户点击MENU按钮的时候，调用该方法
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// groupId,itemId,order,title
menu.add(0, UPDATE, 1, R.string.musiclist_update);
menu.add(0, MANAGE, 2, R.string.musiclist_manage);
menu.add(0, ABOUT, 3, R.string.musiclist_about);
return super.onCreateOptionsMenu(menu);
}
// 当客户点击菜单当中的某一个选项时，会调用该方法
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == UPDATE) {
loadMusicList();
} else if (item.getItemId() == MANAGE) {
Intent intent = new Intent();
intent.setClass(RemoteListActivity.this, DownloadListActivity.class);
startActivity(intent);
} else if (item.getItemId() == ABOUT) {
}
return super.onOptionsItemSelected(item);
}
private void loadMusicList() {
try {
HttpDownloadUtil httpDownloadUtil = new HttpDownloadUtil();
InputStream inStream = httpDownloadUtil.getConnectionFormUrl(
"http://192.168.1.105:8080/music/resources.xml")
.getInputStream();
listView.setAdapter(getSimpleAdapter(inStream));
inStream.close();
} catch (Exception e) {
e.printStackTrace();
}
}
private SimpleAdapter getSimpleAdapter(InputStream inStream) {
SimpleAdapter simpleAdapter = null;
try {
musicInfos = SAXMusicInfo.readXml(inStream);
List<HashMap<String, String>> data = new ArrayList<HashMap<String, String>>();
for (MusicInfo musicInfo : musicInfos) {
HashMap<String, String> map = new HashMap<String, String>();
map.put("musicName", musicInfo.getMusicName());
map.put("musicArtist", musicInfo.getMusicArtist());
map.put("musicSize", musicInfo.getMusicSize());
data.add(map);
}
simpleAdapter = new SimpleAdapter(RemoteListActivity.this, data,
R.layout.musicitem, new String[] { "musicName",
"musicArtist", "musicSize" }, new int[] {
R.id.musicName, R.id.musicArtist, R.id.musicSize });
inStream.close();
} catch (Exception e) {
e.printStackTrace();
}
return simpleAdapter;
}
}
LocalListActivity
package org.wp.activity;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import org.wp.domain.MusicInfo;
import org.wp.utils.FileUtil;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
public class LocalListActivity extends Activity {
private ListView listView;
private List<MusicInfo> musicInfos;
private static final int PLAY = 1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.local);
listView = (ListView) this.findViewById(R.id.localListView);
}
@Override
public void onResume() {
if (Environment.getExternalStorageState().equals(
Environment.MEDIA_MOUNTED)) {
loadMusicList();
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
String[] names = new String[musicInfos.size()];
for (int i = 0; i < musicInfos.size(); i++) {
names[i] = musicInfos.get(i).getMusicName();
}
Bundle bundle = new Bundle();
bundle.putStringArray("names", names);
bundle.putInt("position", position);
Intent intent = new Intent();
intent.putExtras(bundle);
intent.setClass(LocalListActivity.this,
PlayMusicActivity.class);
startActivity(intent);
}
});
} else {
Toast.makeText(LocalListActivity.this,
R.string.externalStorageState, Toast.LENGTH_LONG).show();
}
super.onResume();
}
private void loadMusicList() {
try {
FileUtil fileUtil = new FileUtil();
musicInfos = fileUtil.getLocalMusicFiles("music");
List<HashMap<String, String>> data = new ArrayList<HashMap<String, String>>();
for (MusicInfo musicInfo : musicInfos) {
HashMap<String, String> map = new HashMap<String, String>();
map.put("musicName", musicInfo.getMusicName());
map.put("musicArtist", musicInfo.getMusicArtist());
map.put("musicSize", musicInfo.getMusicSize());
data.add(map);
}
SimpleAdapter simpleAdapter = new SimpleAdapter(
LocalListActivity.this, data, R.layout.musicitem,
new String[] { "musicName", "musicArtist", "musicSize" },
new int[] { R.id.musicName, R.id.musicArtist,
R.id.musicSize });
listView.setAdapter(simpleAdapter);
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, PLAY, 1, R.string.musiclist_play);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (item.getItemId() == PLAY) {
Intent intent = new Intent();
intent.setClass(LocalListActivity.this, PlayMusicActivity.class);
startActivity(intent);
}
return super.onOptionsItemSelected(item);
}
}
DownloadListActivity
package org.wp.activity;
import java.util.ArrayList;
import java.util.List;
import org.wp.domain.DownloadInfo;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.Gravity;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.LinearLayout.LayoutParams;
public class DownloadListActivity extends Activity {
private static List<DownloadInfo> list = new ArrayList<DownloadInfo>();
private static int ID_INCRNUM = 10000;
private DownloadReceiver downloadReceiver;
private LinearLayout mLayout;
private ProgressBar pgb;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.download);
}
// 接收下载百分比信息
public Handler handler = new Handler() {
@Override
public void handleMessage(Message msg) {
String name = msg.getData().getString("name");
String percent = msg.getData().getString("percent");
boolean flag = false;
if (list == null) {
DownloadInfo downloadInfo = new DownloadInfo();
downloadInfo.setName(name);
downloadInfo.setPercent(percent);
list.add(downloadInfo);
} else {
for (DownloadInfo downloadInfo : list) {
if (downloadInfo.getName().equals(name)) {
downloadInfo.setPercent(percent);
flag = true;
}
}
if (!flag) {
DownloadInfo downloadInfo = new DownloadInfo();
downloadInfo.setName(name);
downloadInfo.setPercent(percent);
list.add(downloadInfo);
}
}
}
};
@Override
protected void onResume() {
super.onResume();
mLayout = (LinearLayout) this.findViewById(R.id.downloadList);
for (int i = 0; i < list.size(); i++) {
DownloadInfo downloadInfo = list.get(i);
LinearLayout ll = new LinearLayout(DownloadListActivity.this);
ll.setOrientation(LinearLayout.HORIZONTAL);
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
lp.topMargin = 10;
mLayout.addView(ll, lp);
lp = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT);
lp.weight = 1;
TextView textView1 = new TextView(DownloadListActivity.this);
textView1.setText(downloadInfo.getName());
ll.addView(textView1, lp);
lp = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT);
lp.weight = 1;
TextView textView2 = new TextView(DownloadListActivity.this);
textView2.setText(downloadInfo.getPercent());
textView2.setGravity(Gravity.RIGHT);
textView2.setId(i + ID_INCRNUM);
ll.addView(textView2, lp);
lp = new LinearLayout.LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT);
pgb = new ProgressBar(DownloadListActivity.this, null,
android.R.attr.progressBarStyleHorizontal);
pgb.setMax(100);
pgb.setId(i);
mLayout.addView(pgb, lp);
}
for (int i = 0; i < list.size(); i++) {
updateUI(i);
}
downloadReceiver = new DownloadReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction("DownloadService.DownloadMusic");
DownloadListActivity.this.registerReceiver(downloadReceiver, filter);
}
@Override
protected void onPause() {
super.onPause();
DownloadListActivity.this.unregisterReceiver(downloadReceiver);
// 删除已经下载完成的信息
for (int i = 0; i < list.size(); i++) {
String str = list.get(i).getPercent();
int percent = Integer.parseInt(str.substring(0, str.indexOf(".")));
if (percent == 100) {
list.remove(i);
}
}
}
class DownloadReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
for (int i = 0; i < list.size(); i++) {
updateUI(i);
}
}
}
private void updateUI(int i) {
String str = list.get(i).getPercent();
ProgressBar pb = (ProgressBar) DownloadListActivity.this
.findViewById(i);
TextView textView = (TextView) DownloadListActivity.this.findViewById(i
+ ID_INCRNUM);
textView.setText(str);
int percent = Integer.parseInt(str.substring(0, str.indexOf(".")));
pb.setProgress(percent);
}
}
PlayMusicActivity
package org.wp.activity;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Vector;
import org.wp.activity.service.PlayMusicService;
import org.wp.domain.LrcInfo;
import org.wp.utils.ParseLrcUtil;
import org.wp.utils.PlayConstant;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Color;
import android.os.Bundle;
import android.os.Environment;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.style.ForegroundColorSpan;
import android.view.Gravity;
import android.view.View;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.LinearLayout.LayoutParams;
import android.widget.ScrollView;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;
public class PlayMusicActivity extends Activity {
private ImageButton startMusicButton;
private ImageButton stopMusicButton;
private ImageButton lastMusicButton;
private ImageButton nextMusicButton;
private SeekBar seekBar;
private ScrollView scrollView;
private SeekBarReceiver seekBarReceiver;
private LinearLayout ll;
private static String names[] = null;
private static int position = -1;
private Vector<LrcInfo> lrcInfos;
private long lrcTime;
private int i = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.play);
startMusicButton = (ImageButton) this.findViewById(R.id.startMusic);
stopMusicButton = (ImageButton) this.findViewById(R.id.stopMusic);
lastMusicButton = (ImageButton) this.findViewById(R.id.lastMusic);
nextMusicButton = (ImageButton) this.findViewById(R.id.nextMusic);
seekBar = (SeekBar) this.findViewById(R.id.seekBarId);
scrollView = (ScrollView) this.findViewById(R.id.scrollViewId);
startMusicButton.setOnClickListener(new ImageButton.OnClickListener() {
@Override
public void onClick(View v) {
if (warn()) {
ImageButton button = (ImageButton) v;
if (!PlayConstant.FLAG) {
Intent intent = new Intent();
intent.putExtra("msg", PlayConstant.START_MSG);
intent.putExtra("name", names[position]);
intent.setClass(PlayMusicActivity.this,
PlayMusicService.class);
startService(intent);
button.setImageResource(R.drawable.pause);
PlayConstant.FLAG = true;
} else {
Intent intent = new Intent();
intent.putExtra("msg", PlayConstant.PAUSE_MSG);
intent.setClass(PlayMusicActivity.this,
PlayMusicService.class);
startService(intent);
button.setImageResource(R.drawable.start);
PlayConstant.FLAG = false;
}
}
}
});
stopMusicButton.setOnClickListener(new ImageButton.OnClickListener() {
@Override
public void onClick(View v) {
if (warn()) {
Intent intent = new Intent();
intent.putExtra("msg", PlayConstant.STOP_MSG);
intent.setClass(PlayMusicActivity.this,
PlayMusicService.class);
startService(intent);
startMusicButton.setImageResource(R.drawable.start);
PlayConstant.FLAG = false;
seekBar.setProgress(0);
}
}
});
lastMusicButton.setOnClickListener(new ImageButton.OnClickListener() {
@Override
public void onClick(View v) {
if (warn()) {
position--;
if (position < 0) {
Toast.makeText(PlayMusicActivity.this,
R.string.musiclist_last, Toast.LENGTH_SHORT)
.show();
position = 0;
} else {
scrollView.removeView(ll);
// 重新载入歌词
prepareLrc(names[position]);
Intent intent = new Intent();
intent.putExtra("msg", PlayConstant.LAST_MSG);
intent.putExtra("name", names[position]);
intent.setClass(PlayMusicActivity.this,
PlayMusicService.class);
startService(intent);
startMusicButton.setImageResource(R.drawable.pause);
PlayConstant.FLAG = true;
seekBar.setProgress(0);
}
}
}
});
nextMusicButton.setOnClickListener(new ImageButton.OnClickListener() {
@Override
public void onClick(View v) {
if (warn()) {
position++;
if (position >= names.length) {
Toast.makeText(PlayMusicActivity.this,
R.string.musiclist_next, Toast.LENGTH_SHORT)
.show();
position = names.length - 1;
} else {
scrollView.removeView(ll);
// 重新载入歌词
prepareLrc(names[position]);
Intent intent = new Intent();
intent.putExtra("msg", PlayConstant.NEXT_MSG);
intent.putExtra("name", names[position]);
intent.setClass(PlayMusicActivity.this,
PlayMusicService.class);
startService(intent);
startMusicButton.setImageResource(R.drawable.pause);
PlayConstant.FLAG = true;
seekBar.setProgress(0);
}
}
}
});
seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
}
public void onStartTrackingTouch(SeekBar seekBar) {
}
@Override
public void onStopTrackingTouch(SeekBar seekBar) {
Intent intent = new Intent();
int progress = seekBar.getProgress();
intent.putExtra("msg", PlayConstant.ALTER_MSG);
intent.putExtra("progress", progress);
intent.setClass(PlayMusicActivity.this, PlayMusicService.class);
startService(intent);
}
});
}
@Override
protected void onResume() {
Intent intent = getIntent();
Bundle bundle = intent.getExtras();
if (bundle != null) {
names = bundle.getStringArray("names");
position = bundle.getInt("position");
}
// 修改播放按钮图片
if (PlayConstant.FLAG) {
startMusicButton.setImageResource(R.drawable.pause);
}
// 初始化歌词
if (names != null && position != -1) {
prepareLrc(names[position]);
lrcTime = lrcInfos.get(0).getTime();
}
// 注册广播
seekBarReceiver = new SeekBarReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction("PlayMusicService.UpdateSeekBar");
PlayMusicActivity.this.registerReceiver(seekBarReceiver, filter);
super.onResume();
}
@Override
protected void onPause() {
// 撤销广播
PlayMusicActivity.this.unregisterReceiver(seekBarReceiver);
super.onPause();
}
// 判断是否选择了音乐文件
private boolean warn() {
if (names == null || position == -1) {
Toast.makeText(PlayMusicActivity.this, R.string.musiclist_warn,
Toast.LENGTH_SHORT).show();
return false;
}
return true;
}
// 载入歌词文件
private void prepareLrc(String lrcName) {
try {
InputStream inStream = new FileInputStream(Environment
.getExternalStorageDirectory().getAbsoluteFile()
+ File.separator + "music/" + lrcName + ".lrc");
ParseLrcUtil parseLrcUtil = new ParseLrcUtil();
lrcInfos = parseLrcUtil.parseLrc(inStream);
ll = new LinearLayout(PlayMusicActivity.this);
ll.setOrientation(LinearLayout.VERTICAL);
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
LayoutParams.FILL_PARENT, LayoutParams.WRAP_CONTENT);
lp.topMargin = 50;
scrollView.addView(ll, lp);
// 添加歌词
for (int i = 0; i < lrcInfos.size(); i++) {
lp = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.FILL_PARENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
TextView textView = new TextView(PlayMusicActivity.this);
String str = lrcInfos.get(i).getLrcStr();
textView.setText(str);
textView.setId(i);
textView.setGravity(Gravity.CENTER_HORIZONTAL);
ll.addView(textView, lp);
}
} catch (Exception e) {
e.printStackTrace();
}
}
class SeekBarReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
int duration = intent.getIntExtra("duration", 0);
int currentPosition = intent.getIntExtra("currentPosition", 0);
System.out.println("duration" + duration + " currentPosition"
+ currentPosition);
if ((duration < currentPosition) && duration != 0) {
Intent inte = new Intent();
inte.putExtra("msg", PlayConstant.STOP_MSG);
inte.setClass(PlayMusicActivity.this, PlayMusicService.class);
startService(inte);
startMusicButton.setImageResource(R.drawable.start);
PlayConstant.FLAG = false;
seekBar.setProgress(0);
}
seekBar.setMax(duration);
seekBar.setProgress(currentPosition);
if (lrcTime <= currentPosition) {
synchlrc();
}
}
}
// 同步歌词
private void synchlrc() {
if (lrcInfos != null) {
i++;
if (i < lrcInfos.size()) {
// 获得下一次更新的时间
lrcTime = lrcInfos.get(i).getTime();
// 高亮显示当前歌词
TextView textView = (TextView) this.findViewById(i - 1);
String str = textView.getText().toString();
SpannableString sp = new SpannableString(str);
sp.setSpan(new ForegroundColorSpan(Color.YELLOW), 0,
str.length(), Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
textView.setText(sp);
// 实现滚动
int j = i + 8 >= lrcInfos.size() - 1 ? lrcInfos.size() - 1
: i + 8;
textView = (TextView) this.findViewById(j);
scrollView.requestChildFocus(textView, textView);
// 恢复已经高亮显示的歌词
if (i >= 2) {
TextView tempView = (TextView) this.findViewById(i - 2);
tempView.setText(lrcInfos.get(i - 2).getLrcStr());
}
}
}
}
}
org.wp.activity.service
DownloadService
package org.wp.activity.service;
import java.net.URLEncoder;
import org.wp.activity.DownloadListActivity;
import org.wp.activity.R;
import org.wp.domain.MusicInfo;
import org.wp.utils.HttpDownloadUtil;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
public class DownloadService extends Service {
private NotificationManager notificationManager = null;
private Notification notification = null;
@Override
public IBinder onBind(Intent arg0) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
MusicInfo musicInfo = (MusicInfo) intent
.getSerializableExtra("musicInfo");
DownloadListActivity downloadListActivity = new DownloadListActivity();
notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
new DownloadLrc(musicInfo).start();
new DownloadMusic(musicInfo, downloadListActivity.handler).start();
return super.onStartCommand(intent, flags, startId);
}
class DownloadLrc extends Thread {
private MusicInfo musicInfo;
private int i = -1;
public DownloadLrc(MusicInfo musicInfo) {
this.musicInfo = musicInfo;
}
@Override
public void run() {
String lrcName = URLEncoder.encode(musicInfo.getLrcName());
String urlStr = "http://192.168.1.105:8080/music/" + lrcName + "."
+ musicInfo.getLrcType();
HttpDownloadUtil httpDownloadUtil = new HttpDownloadUtil();
i = httpDownloadUtil.downloadLrc(urlStr, "music",
musicInfo.getLrcName() + "." + musicInfo.getLrcType());
notification = new Notification();
notification.when = System.currentTimeMillis();
PendingIntent pIntent = PendingIntent.getService(
DownloadService.this, 0, null, 0);
getTickerStr(notification, musicInfo.getLrcName() + "歌词", i,
pIntent);
notificationManager.notify(0, notification);
}
}
class DownloadMusic extends Thread {
private MusicInfo musicInfo;
private Handler handler;
private int i = -1;
public DownloadMusic(MusicInfo musicInfo, Handler handler) {
this.musicInfo = musicInfo;
this.handler = handler;
}
@Override
public void run() {
try {
String musicName = URLEncoder.encode(musicInfo.getMusicName(),
"UTF-8");
String urlStr = "http://192.168.1.105:8080/music/" + musicName
+ "." + musicInfo.getMusicType();
HttpDownloadUtil httpDownloadUtil = new HttpDownloadUtil();
i = httpDownloadUtil.downloadMusic(urlStr, "music", musicInfo.getMusicName()
+ "." + musicInfo.getMusicType(), DownloadService.this, handler);
notification = new Notification();
notification.when = System.currentTimeMillis();
PendingIntent pIntent = PendingIntent.getService(
DownloadService.this, 0, null, 0);
getTickerStr(notification, musicInfo.getLrcName() + "音乐", i,
pIntent);
notificationManager.notify(1, notification);
} catch (Exception e) {
e.printStackTrace();
}
}
}
private void getTickerStr(Notification notification, String name, int i,
PendingIntent pIntent) {
if (i == HttpDownloadUtil.ERROR) {
notification.icon = R.drawable.error;
notification.tickerText = name + "文件下载错误";
notification.setLatestEventInfo(DownloadService.this, name
+ "文件下载信息", name + "文件下载错误", pIntent);
} else if (i == HttpDownloadUtil.EXIST) {
notification.icon = R.drawable.exist;
notification.tickerText = name + "文件已经存在";
notification.setLatestEventInfo(DownloadService.this, name
+ "文件下载信息", name + "文件已经存在", pIntent);
} else if (i == HttpDownloadUtil.SUCCEE) {
notification.icon = R.drawable.succee;
notification.tickerText = name + "文件下载成功";
notification.setLatestEventInfo(DownloadService.this, name
+ "文件下载信息", name + "文件下载成功", pIntent);
} else if (i == HttpDownloadUtil.WORKING) {
notification.icon = R.drawable.working;
notification.tickerText = name + "文件正在下载中...";
notification.setLatestEventInfo(DownloadService.this, name
+ "文件下载信息", name + "文件正在下载中...", pIntent);
}
}
}
PlayMusicService
package org.wp.activity.service;
import org.wp.utils.PlayConstant;
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.net.Uri;
import android.os.IBinder;
public class PlayMusicService extends Service {
private boolean isPlaying = false;
private boolean isPause = false;
private boolean isReleased = false;
private static boolean flag = true;
private MediaPlayer mediaPlayer = null;
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
int msg = intent.getIntExtra("msg", 0);
if (PlayConstant.COUNT == 0) {
new UpdateSeekBar().start();
}
if (msg == PlayConstant.START_MSG) {
String name = intent.getStringExtra("name");
play(name);
} else if (msg == PlayConstant.PAUSE_MSG) {
pause();
} else if (msg == PlayConstant.STOP_MSG) {
stop();
} else if (msg == PlayConstant.LAST_MSG) {
String name = intent.getStringExtra("name");
last(name);
} else if (msg == PlayConstant.NEXT_MSG) {
String name = intent.getStringExtra("name");
next(name);
} else if (msg == PlayConstant.ALTER_MSG) {
int progress = intent.getIntExtra("progress", 0);
alter(progress);
}
PlayConstant.COUNT++;
return super.onStartCommand(intent, flags, startId);
}
private void play(String name) {
if (isPause) {
mediaPlayer.start();
updateState(true, false, false);
} else {
init(name);
mediaPlayer.start();
updateState(true, false, false);
}
}
private void pause() {
if (isPlaying && !isReleased) {
mediaPlayer.pause();
updateState(false, true, false);
}
}
private void stop() {
if ((isPlaying || isPause) && !isReleased) {
mediaPlayer.stop();
mediaPlayer.release();
updateState(false, false, true);
}
}
private void last(String name) {
if ((isPlaying || isPause) && !isReleased) {
mediaPlayer.stop();
mediaPlayer.release();
init(name);
mediaPlayer.start();
updateState(true, false, false);
} else {
init(name);
mediaPlayer.start();
updateState(true, false, false);
}
}
private void next(String name) {
if ((isPlaying || isPause) && !isReleased) {
mediaPlayer.stop();
mediaPlayer.release();
init(name);
mediaPlayer.start();
updateState(true, false, false);
} else {
init(name);
mediaPlayer.start();
updateState(true, false, false);
}
}
private void init(String name) {
String path = PlayConstant.BASE_URL + name + PlayConstant.TYPE;
mediaPlayer = MediaPlayer.create(this, Uri.parse("file://" + path));
mediaPlayer.setLooping(false);
}
private void updateState(boolean b1, boolean b2, boolean b3) {
this.isPlaying = b1;
this.isPause = b2;
this.isReleased = b3;
}
private void alter(int progress) {
if ((isPlaying || isPause) && !isReleased) {
mediaPlayer.seekTo(progress);
}
}
public void shutDown() {
flag = false;
}
// 更新播放的进度
class UpdateSeekBar extends Thread {
@Override
public void run() {
while (flag) {
try {
if ((isPlaying || isPause) && !isReleased) {
Intent intent = new Intent();
intent.putExtra("duration", mediaPlayer.getDuration());
intent.putExtra("currentPosition",
mediaPlayer.getCurrentPosition());
intent.setAction("PlayMusicService.UpdateSeekBar");
sendBroadcast(intent);
} else {
Intent intent = new Intent();
intent.putExtra("duration", 0);
intent.putExtra("currentPosition", 0);
intent.setAction("PlayMusicService.UpdateSeekBar");
sendBroadcast(intent);
}
Thread.sleep(100);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}
org.wp.domain
MusicInfo
package org.wp.domain;
import java.io.Serializable;
public class MusicInfo implements Serializable {
private static final long serialVersionUID = 1L;
private Integer id;
private String musicName;
private String musicArtist;
private String musicType;
private String musicSize;
private String lrcName;
private String lrcType;
private String lrcSize;
public MusicInfo() {
}
public MusicInfo(Integer id, String musicName, String musicArtist,
String musicType, String musicSize, String lrcName, String lrcType,
String lrcSize) {
this.id = id;
this.musicName = musicName;
this.musicArtist = musicArtist;
this.musicType = musicType;
this.musicSize = musicSize;
this.lrcName = lrcName;
this.lrcType = lrcType;
this.lrcSize = lrcSize;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getMusicName() {
return musicName;
}
public void setMusicName(String musicName) {
this.musicName = musicName;
}
public String getMusicArtist() {
return musicArtist;
}
public void setMusicArtist(String musicArtist) {
this.musicArtist = musicArtist;
}
public String getMusicType() {
return musicType;
}
public void setMusicType(String musicType) {
this.musicType = musicType;
}
public String getMusicSize() {
return musicSize;
}
public void setMusicSize(String musicSize) {
this.musicSize = musicSize;
}
public String getLrcName() {
return lrcName;
}
public void setLrcName(String lrcName) {
this.lrcName = lrcName;
}
public String getLrcType() {
return lrcType;
}
public void setLrcType(String lrcType) {
this.lrcType = lrcType;
}
public String getLrcSize() {
return lrcSize;
}
public void setLrcSize(String lrcSize) {
this.lrcSize = lrcSize;
}
@Override
public String toString() {
return "MusicInfo [id=" + id + ", musicName=" + musicName
+ ", musicArtist=" + musicArtist + ", musicType=" + musicType
+ ", musicSize=" + musicSize + ", lrcName=" + lrcName
+ ", lrcType=" + lrcType + ", lrcSize=" + lrcSize + "]";
}
}
DownloadInfo
package org.wp.domain;
public class DownloadInfo {
private String name;
private String percent;
public DownloadInfo() {
}
public DownloadInfo(String name, String percent) {
this.name = name;
this.percent = percent;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPercent() {
return percent;
}
public void setPercent(String percent) {
this.percent = percent;
}
@Override
public String toString() {
return "DownloadInfo [name=" + name + ", percent=" + percent + "]";
}
}
LrcInfo
package org.wp.domain;
@SuppressWarnings("rawtypes")
public class LrcInfo implements Comparable {
private Long time;
private String lrcStr;
public LrcInfo() {
}
public LrcInfo(Long time, String lrcStr) {
this.time = time;
this.lrcStr = lrcStr;
}
public Long getTime() {
return time;
}
public void setTime(String time) {
String str[] = time.split(":|\\.");
this.time = (long) (Integer.parseInt(str[0]) * 60 * 1000
+ Integer.parseInt(str[1]) * 1000 + Integer.parseInt(str[2]) * 10);
}
public String getLrcStr() {
return lrcStr;
}
public void setLrcStr(String lrcStr) {
this.lrcStr = lrcStr;
}
@Override
public String toString() {
return "LrcInfo [time=" + time + ", lrcStr=" + lrcStr + "]";
}
@Override
public int compareTo(Object another) {
LrcInfo li = (LrcInfo) another;
if (this.time > li.getTime())
return 1;
if (this.time < li.getTime()) {
return -1;
}
return 0;
}
}
org.wp.utils
SAXMusicInfo
package org.wp.utils;
import java.io.InputStream;
import java.util.List;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.wp.domain.MusicInfo;
public class SAXMusicInfo {
public static List<MusicInfo> readXml(InputStream inStream) throws Exception {
// 得到SAX解析器的工厂实例
SAXParserFactory spf = SAXParserFactory.newInstance();
// 从SAX工厂实例中获得SAX解析器
SAXParser saxParser = spf.newSAXParser();
XMLContentHandler handler = new XMLContentHandler();
saxParser.parse(inStream, handler);
inStream.close();
return handler.getMusicInfos();
}
}
XMLContentHandler
package org.wp.utils;
import java.util.ArrayList;
import java.util.List;
import org.wp.domain.MusicInfo;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
public class XMLContentHandler extends DefaultHandler {
private List<MusicInfo> musicInfos;
private MusicInfo musicInfo;
private String preTAG;
@Override
public void startDocument() throws SAXException {
musicInfos = new ArrayList<MusicInfo>();
}
@Override
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
if ("resource".equals(localName)) {
musicInfo = new MusicInfo();
}
preTAG = localName;
}
@Override
public void characters(char[] ch, int start, int length)
throws SAXException {
String data = new String(ch, start, length);
if ("id".equals(preTAG)) {
musicInfo.setId(Integer.parseInt(data));
} else if ("music.name".equals(preTAG)) {
musicInfo.setMusicName(data);
} else if ("music.artist".equals(preTAG)) {
musicInfo.setMusicArtist(data);
} else if ("music.type".equals(preTAG)) {
musicInfo.setMusicType(data);
} else if ("music.size".equals(preTAG)) {
musicInfo.setMusicSize(data);
} else if ("lrc.name".equals(preTAG)) {
musicInfo.setLrcName(data);
} else if ("lrc.type".equals(preTAG)) {
musicInfo.setLrcType(data);
} else if ("lrc.size".equals(preTAG)) {
musicInfo.setLrcSize(data);
}
}
@Override
public void endElement(String uri, String localName, String qName)
throws SAXException {
if (musicInfo != null && "resource".equals(localName)) {
musicInfos.add(musicInfo);
}
preTAG = null;
}
public List<MusicInfo> getMusicInfos() {
return musicInfos;
}
}
HttpDownloadUtil
package org.wp.utils;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import org.wp.activity.service.DownloadService;
import android.os.Handler;
public class HttpDownloadUtil {
private URL url = null;
public static final int ERROR = -1;
public static final int SUCCEE = 0;
public static final int EXIST = 1;
public static final int WORKING = 2;
/**
* 根据URL下载歌词文件
* -1：代表下载文件出错
* 0：代表下载文件成功
* 1：代表文件已经存在
*
* @param urlStr
* @param path
* @param fileName
* @return int
*/
public int downloadLrc(String urlStr, String path, String fileName) {
InputStream inStream = null;
try {
HttpURLConnection conn = getConnectionFormUrl(urlStr);
inStream = conn.getInputStream();
FileUtil fileUtil = new FileUtil();
if (fileUtil.isFileExist(fileName, path)) {
return EXIST;
} else {
File resultFile = fileUtil.writeLrcToSDFromInput(path,
fileName, inStream);
if (resultFile == null) {
return ERROR;
}
}
} catch (Exception e) {
e.printStackTrace();
return ERROR;
} finally {
try {
inStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return SUCCEE;
}
/**
* 根据URL下载音乐文件
* -1：代表下载文件出错
* 0：代表下载文件成功
* 1：代表文件已经存在
* 2: 代表文件正在下载中
*
* @param urlStr
* @param path
* @param fileName
* @param downloadService
* @param handler
* @return int
*/
public int downloadMusic(String urlStr, String path, String fileName,
DownloadService downloadService, Handler handler) {
InputStream inStream = null;
try {
HttpURLConnection conn = getConnectionFormUrl(urlStr);
inStream = conn.getInputStream();
FileUtil fileUtil = new FileUtil();
if (fileUtil.isFileExist(fileName, path)) {
return EXIST;
} else if (fileUtil.isFileDownloading(fileName, path)) {
return WORKING;
} else {
File resultFile = fileUtil.writeMusicToSDFromInput(path,
fileName, inStream, (long) conn.getContentLength(),
downloadService, handler);
if (resultFile == null) {
return ERROR;
}
}
} catch (Exception e) {
e.printStackTrace();
return ERROR;
} finally {
try {
inStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return SUCCEE;
}
/**
* 根据URL得到Connection连接
*
* @param urlStr
* @return HttpURLConnection
* @throws Exception
*/
public HttpURLConnection getConnectionFormUrl(String urlStr)
throws Exception {
url = new URL(urlStr);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setReadTimeout(6 * 1000);
if (conn.getResponseCode() == 200) {
return conn;
}
return null;
}
}
FileUtil
package org.wp.utils;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.RandomAccessFile;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;
import org.wp.activity.service.DownloadService;
import org.wp.domain.MusicInfo;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
public class FileUtil {
private String SDCardPath;
private String tempFileName = "tempFileName";
private static int TEMP_INCRNUM = 1;
/**
* 得到当前外部存储设备的目录 SDCARD
*/
public FileUtil() {
SDCardPath = Environment.getExternalStorageDirectory()
.getAbsolutePath() + File.separator;
}
/**
* 创建此抽象路径名指定的目录
*
* @param dirPath
* @return dir
*/
public File createSDDir(String dirPath) {
File dir = new File(SDCardPath + dirPath + File.separator);
dir.mkdir();
return dir;
}
/**
* 在SD卡上创建文件
*
* @param fileName
* @param dirPath
* @return file
* @throws IOException
*/
public File createSDFile(String fileName, String dirPath)
throws IOException {
File file = new File(SDCardPath + dirPath + File.separator + fileName);
file.createNewFile();
return file;
}
/**
* 判断SD卡上的文件是否存在
*
* @param fileName
* @param dirPath
* @return boolean
*/
public boolean isFileExist(String fileName, String dirPath) {
File file = new File(SDCardPath + dirPath + File.separator + fileName);
return file.exists();
}
/**
* 判断文件是否正在下载中
*
* @param fileName
* @param dirPath
* @return boolean
*/
public boolean isFileDownloading(String fileName, String dirPath) {
File file = new File(SDCardPath + dirPath);
File[] files = file.listFiles();
for (File f : files) {
if (f.getName().contains(fileName)) {
return true;
}
}
return false;
}
/**
* 将一个音乐文件里面的数据写入到SD卡中
*
* @param path
* @param fileName
* @param inputStream
* @param contentLength
* @param downloadService
* @param handler
* @return file
*/
public File writeMusicToSDFromInput(String path, String fileName,
InputStream inputStream, Long contentLength,
DownloadService downloadService, Handler handler) {
File file = null;
File tempFile = null;
OutputStream outputStream = null;
long sum = 0;
DecimalFormat decf = new DecimalFormat("0.00");
try {
createSDDir(path);
tempFile = createSDFile(fileName + tempFileName + TEMP_INCRNUM,
path);
TEMP_INCRNUM++;
outputStream = new FileOutputStream(tempFile);
int length = -1;
byte[] buffer = new byte[5 * 1024];
while ((length = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, length);
sum += length;
sendMessage(handler, downloadService, decf, contentLength, sum,
fileName);
}
outputStream.flush();
file = createSDFile(fileName, path);
tempFile.renameTo(file);
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
inputStream.close();
outputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return file;
}
/**
* 发送文件下载信息
*
* @param handler
* @param downloadService
* @param decf
* @param contentLength
* @param sumLength
* @param fileName
*/
private void sendMessage(Handler handler, DownloadService downloadService,
DecimalFormat decf, Long contentLength, Long sumLength,
String fileName) {
// 下载百分比
double percent = (double) sumLength * 100 / contentLength;
Bundle bundle = new Bundle();
bundle.putString("name", fileName);
bundle.putString("percent", decf.format(percent) + "%");
Message message = handler.obtainMessage();
message.setData(bundle);
handler.sendMessage(message);
Intent intent = new Intent();
intent.setAction("DownloadService.DownloadMusic");
downloadService.sendBroadcast(intent);
}
/**
* 将一个歌词文件里面的数据写入到SD卡中
*
* @param path
* @param fileName
* @param inputStream
* @return file
*/
public File writeLrcToSDFromInput(String path, String fileName,
InputStream inputStream) {
File file = null;
OutputStream outputStream = null;
try {
createSDDir(path);
file = createSDFile(fileName, path);
outputStream = new FileOutputStream(file);
int length = -1;
byte[] buffer = new byte[5 * 1024];
while ((length = inputStream.read(buffer)) != -1) {
outputStream.write(buffer, 0, length);
}
outputStream.flush();
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
inputStream.close();
outputStream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return file;
}
/**
* 获取SD卡中music目录下的音乐文件
*
* @param path
* @return List<MusicInfo>
*/
public List<MusicInfo> getLocalMusicFiles(String path) {
List<MusicInfo> musicInfos = new ArrayList<MusicInfo>();
File file = new File(SDCardPath + path);
if (!file.isDirectory()) {
file.mkdir();
return null;
} else {
File[] files = file.listFiles();
for (File f : files) {
if (f.getName().endsWith("mp3")) {
MusicInfo musicInfo = new MusicInfo();
musicInfo.setMusicName(getMusicName(f));
musicInfo.setMusicArtist(getMusicArtist(f, f.length()));
musicInfo.setMusicType(getMusicType(f));
musicInfo.setMusicSize(f.length() + "");
musicInfos.add(musicInfo);
}
}
}
return musicInfos;
}
/**
* 获得文件名称
*
* @param file
* @return String
*/
private String getMusicName(File file) {
String fileName = file.getName();
return fileName.substring(0, fileName.lastIndexOf("."));
}
/**
* 获得文件艺术家
*
* @param file
* @param size
* @return String
*/
private String getMusicArtist(File file, Long size) {
byte[] buffer = new byte[1024];
String str = null;
try {
RandomAccessFile raf = new RandomAccessFile(file, "r");
raf.seek(size - 95);
raf.read(buffer, 0, 30);
raf.close();
str = new String(buffer, 0, 30, "GB2312").trim();
} catch (Exception e) {
e.printStackTrace();
}
return str;
}
/**
* 获得文件类型
*
* @param file
* @return String
*/
private String getMusicType(File file) {
String fileName = file.getName();
return fileName.substring(fileName.lastIndexOf(".") + 1,
fileName.length());
}
}
ParseLrcUtil
package org.wp.utils;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Collections;
import java.util.Vector;
import org.wp.domain.LrcInfo;
public class ParseLrcUtil {
private Vector<LrcInfo> lrcInfos = new Vector<LrcInfo>();
/**
* 解析Lrc歌词文件
*
* @param inStream
* @return Vector<T>
*/
@SuppressWarnings("unchecked")
public Vector<LrcInfo> parseLrc(InputStream inStream) {
try {
BufferedReader br = new BufferedReader(new InputStreamReader(
inStream, "GB2312"));
String str = null;
while ((str = br.readLine()) != null) {
// 本行含时间个数
int timeNum = 0;
// 以]分隔
String str1[] = str.split("\\]");
for (int i = 0; i < str1.length; i++) {
// 以[分隔
String str2[] = str1[i].split("\\[");
str1[i] = str2[str2.length - 1];
if (isTime(str1[i])) {
timeNum++;
}
}
// 处理歌词复用的情况
for (int i = 0; i < timeNum; i++) {
LrcInfo lrcInfo = new LrcInfo();
lrcInfo.setTime(str1[i]);
// 如果有歌词
if (timeNum < str1.length) {
lrcInfo.setLrcStr(str1[str1.length - 1]);
}
lrcInfos.add(lrcInfo);
}
}
} catch (Exception e) {
e.printStackTrace();
}
// 将读取的歌词按时间排序
Collections.sort(lrcInfos);
return lrcInfos;
}
/**
* 判断给定的字符串是否表示时间.
*
* @param string
* @return boolean
*/
public boolean isTime(String string) {
String str[] = string.split(":|\\.");
if (str.length != 3) {
return false;
}
for (int i = 0; i < str.length; i++) {
try {
Integer.parseInt(str[i]);
} catch (NumberFormatException e) {
return false;
}
}
return true;
}
}
PlayConstant
package org.wp.utils;
import java.io.File;
import android.os.Environment;
public class PlayConstant {
public static final String BASE_URL = Environment.getExternalStorageDirectory().getAbsoluteFile()
+ File.separator + "music/";
public static final String TYPE = ".mp3";
public static final int START_MSG = 1;
public static final int PAUSE_MSG = 2;
public static final int STOP_MSG = 3;
public static final int LAST_MSG = 4;
public static final int NEXT_MSG = 5;
public static final int ALTER_MSG = 6;
public static boolean FLAG = false;
public static int COUNT = 0;
}
layout
main.xml
<?xml version="1.0" encoding="utf-8"?> <TabHost xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@android:id/tabhost" > <RelativeLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="3dip" > <TabWidget android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:id="@android:id/tabs" /> <FrameLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:id="@android:id/tabcontent" /> </RelativeLayout> </TabHost>
remote.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="7dip"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/musicNameTitle"
android:layout_weight="1"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/musicArtistTitle"
android:layout_weight="1"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/musicSizeTitle"
android:layout_weight="1"
/>
</LinearLayout>
<ListView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/remoteListView"
/>
</LinearLayout>
local.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<LinearLayout
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="7dip"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/musicNameTitle"
android:layout_weight="1"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/musicArtistTitle"
android:layout_weight="1"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/musicSizeTitle"
android:layout_weight="1"
/>
</LinearLayout>
<ListView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/localListView"
/>
</LinearLayout>
musicitem.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" android:padding="7dip" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:id="@+id/musicName" /> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:id="@+id/musicArtist" /> <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1" android:id="@+id/musicSize" /> </LinearLayout>
download.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="10dip" android:id="@+id/downloadList" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:textSize="20px" android:text="@string/downloadList" /> </LinearLayout>
play.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="10dip" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_centerHorizontal="true" android:id="@+id/centerTextView" /> <ImageButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_toLeftOf="@id/centerTextView" android:layout_marginRight="5dip" android:src="@drawable/start" android:id="@+id/startMusic" /> <ImageButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_toRightOf="@id/centerTextView" android:layout_marginLeft="5dip" android:src="@drawable/stop" android:id="@+id/stopMusic" /> <ImageButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_toLeftOf="@id/startMusic" android:layout_marginRight="10dip" android:src="@drawable/last" android:id="@+id/lastMusic" /> <ImageButton android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentBottom="true" android:layout_toRightOf="@id/stopMusic" android:layout_marginLeft="10dip" android:src="@drawable/next" android:id="@+id/nextMusic" /> <SeekBar android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_above="@id/startMusic" android:id="@+id/seekBarId" /> <ScrollView android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_above="@id/seekBarId" android:scrollbars="none" android:id="@+id/scrollViewId" /> </RelativeLayout>
values
strings.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <string name="app_name">MusicPlayer</string> <string name="musicNameTitle">歌曲名</string> <string name="musicArtistTitle">歌手名</string> <string name="musicSizeTitle">文件大小</string> <string name="downloadList">下载列表</string> <string name="musiclist.update">更新下载列表</string> <string name="musiclist.manage">下载管理</string> <string name="musiclist.about">关于</string> <string name="musiclist.play">音乐播放</string> <string name="musiclist.warn">请先选择要播放的歌曲</string> <string name="musiclist.last">已经没有上一首了</string> <string name="musiclist.next">已经没有下一首了</string> <string name="externalStorageState">SDCard不存在或者写保护</string> </resources>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="org.wp.activity" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".MainActivity" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".LocalListActivity" android:label="@string/app_name" /> <activity android:name=".RemoteListActivity" android:label="@string/app_name" /> <activity android:name=".PlayMusicActivity" android:label="@string/app_name" /> <activity android:name=".DownloadListActivity" android:label="@string/app_name" /> <service android:name=".service.DownloadService" /> <service android:name=".service.PlayMusicService" /> </application> <!-- Allows applications to open network sockets --> <uses-permission android:name="android.permission.INTERNET" /> <!-- Allows an application to write to external storage --> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <!-- Allows mounting and unmounting file systems for removable storage --> <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /> <uses-sdk android:minSdkVersion="8" /> </manifest>
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