android mp3 播放器

package com.rainfactory.rainmp3; import java.io.File; import java.util.ArrayList; import java.util.HashMap; import com.rainfactory.DB.DB_loveMusic; import com.rainfactory.Mp3Info.Mp3Info; import com.rainfactory.filter.MusicFilter; import com.rainfactory.service.playService; import android.app.AlertDialog; import android.app.TabActivity; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.content.res.Resources; import android.database.Cursor; import android.graphics.drawable.Drawable; import android.media.MediaPlayer; import android.os.Bundle; import android.view.ContextMenu; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.ContextMenu.ContextMenuInfo; import android.view.View.OnCreateContextMenuListener; import android.widget.AdapterView; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.TabHost; import android.widget.Toast; import android.widget.AdapterView.OnItemClickListener; public class ActivityMain extends TabActivity{ /** Called when the activity is first created. */ private DB_loveMusic DB_lovemusic; private Cursor myCursor; private String likeName; private TabHost myTabHost; public static final String TITLE_ALL="所有音乐"; public static final String TITLE_LIKE="我喜欢的音乐"; private ListView listviewall = null; private ListView listviewlike = null; private File file = null; private File file1 = null; public static ArrayList<Mp3Info> arrayl = null; public static ArrayList<Mp3Info> arrayl2 = null; private static final String path = new String("/sdcard/RainMusic/"); int i = 0; int j = 0; public static boolean from = true; public static String broadcastname; public static final String action_1 = "com.rainfactory.action.NEW_BROADCAST_1"; public static final String action_2 = "com.rainfactory.action.NEW_BROADCAST_2"; public static boolean FINISH = false; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); DB_lovemusic = new DB_loveMusic(this); myCursor = DB_lovemusic.select(); myTabHost = this.getTabHost(); Resources res = getResources(); LayoutInflater.from(this).inflate(R.layout.main, myTabHost.getTabContentView(), true); myTabHost.addTab(myTabHost.newTabSpec("allMusic").setIndicator(TITLE_ALL,res.getDrawable(R.drawable.yinfu)).setContent(R.id.all_music)); myTabHost.addTab(myTabHost.newTabSpec("likelyMusic").setIndicator(TITLE_LIKE, res.getDrawable(R.drawable.like)).setContent(R.id.likely_music)); mkdir(); } /////////////////////////////喜欢歌曲列表 @Override protected void onResume() { // TODO Auto-generated method stub super.onResume(); taball(); tablike(); } private void tablike() { // TODO Auto-generated method stub listviewlike = (ListView) findViewById(R.id.main_listview_like); DB_lovemusic = new DB_loveMusic(this); myCursor = DB_lovemusic.select(); ArrayList<HashMap<String,Object>> listItem = new ArrayList<HashMap<String,Object>>(); arrayl2 = new ArrayList<Mp3Info>(); for(myCursor.moveToFirst();!myCursor.isAfterLast();myCursor.moveToNext()) { arrayl2.add(new Mp3Info(j,myCursor.getString(1),path + myCursor.getString(1))); j++; HashMap<String, Object> map = new HashMap<String, Object>(); map.put("ImageView", R.drawable.icon); map.put("title", myCursor.getString(1)); listItem.add(map); } //生成适配器的Item和动态数组对应的元素 SimpleAdapter listItemAdapter = new SimpleAdapter( this, listItem, R.layout.item, new String[]{"title","ImageView"}, new int[]{R.id.Item_TextVIew,R.id.Item_ImageView} ); //添加并且显示 listviewlike.setAdapter(listItemAdapter); listviewlike.setOnItemClickListener(new OnItemClickListener(){ public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) { from = false; myCursor.moveToPosition(position); Mp3Info mp3info = arrayl2.get(position); broadcastname = myCursor.getString(1); Intent intent = new Intent(); intent.putExtra("Mp3Info", mp3info); sendBroadcast(new Intent(action_1)); intent.setClass(ActivityMain.this,ActivityRun.class); startActivity(intent); }}); listviewlike.setOnCreateContextMenuListener(new OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu menu, View v,ContextMenuInfo menuInfo) { final AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; int mListPos = info.position; myCursor.moveToPosition(mListPos); likeName = myCursor.getString(1); menu.setHeaderTitle("菜单"); menu.add(0, 5, 0, "从列表中删除"); menu.add(0, 4, 0, "返回"); } }); } ////////////所有歌曲 private void taball() { // TODO Auto-generated method stub listviewall = (ListView) findViewById(R.id.main_listview_all); final ArrayList<HashMap<String,Object>> listItem = new ArrayList<HashMap<String,Object>>(); if(file.listFiles(new MusicFilter()).length>0){ arrayl = new ArrayList<Mp3Info>(); for(File f : file.listFiles(new MusicFilter())){ arrayl.add(new Mp3Info(i,f.getName(),path+f.getName())); i++; HashMap<String, Object> hashmap = new HashMap<String, Object>(); hashmap.put("ImageView", R.drawable.icon); hashmap.put("title", f.getName()); listItem.add(hashmap); } } SimpleAdapter simpleAdapter = new SimpleAdapter (this, listItem, R.layout.item, new String[]{"title","ImageView"}, new int[]{R.id.Item_TextVIew,R.id.Item_ImageView}); listviewall.setAdapter(simpleAdapter); /////////////播放列表点击 listviewall.setOnItemClickListener(new OnItemClickListener(){ public void onItemClick(AdapterView<?> arg0, View arg1, int position, long arg3) { // TODO Auto-generated method stub from = true; Mp3Info mp3info = arrayl.get(position); broadcastname = arrayl.get(position).getName(); Intent intent = new Intent(); intent.putExtra("Mp3Info", mp3info); sendBroadcast(new Intent(action_1)); intent.setClass(ActivityMain.this,ActivityRun.class); startActivity(intent); }}); //长按弹出菜单 listviewall.setOnCreateContextMenuListener(new OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu menu, View v,ContextMenuInfo menuInfo) { final AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; int mListPos = info.position; likeName = arrayl.get(mListPos).getName(); menu.setHeaderTitle("菜单"); menu.add(0, 2, 0, "添加至喜爱的歌曲"); menu.add(0, 3, 0, "删除歌曲"); menu.add(0, 4, 0, "返回"); } }); } ///////////////////创建文件夹 private void mkdir() { // TODO Auto-generated method stub file = new File(path); if(!file.exists()){ file.mkdirs(); }else{ return; } } ////////////////////////////////////////////////// menu按钮 @Override public boolean onCreateOptionsMenu(Menu menu) { // TODO Auto-generated method stub menu.add(0, 0, 0, "关于"); menu.add(0, 1, 1, "退出"); return super.onCreateOptionsMenu(menu); } public boolean onMenuItemSelected(int featureId, MenuItem item) { // TODO Auto-generated method stub switch(item.getItemId()){ case 0:action0(); break; case 1:action1(); break; case 2:addToLike(); break; case 3:deleMusic(); break; case 4:; break; case 5:removeMusic(); } return super.onMenuItemSelected(featureId, item); } private void removeMusic() { DB_lovemusic.delete(likeName); taball(); tablike(); } private void deleMusic() { file1 = new File(path + likeName); if(file1.exists()){