android 使用 audiotrack和audiorecord c++代码

package net.avs234; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileInputStream; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.InputStreamReader; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Comparator; import java.util.Date; import java.util.Random; import java.util.Timer; import java.util.TimerTask; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.BroadcastReceiver; import android.content.ComponentName; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.ServiceConnection; import android.content.SharedPreferences; import android.content.res.Configuration; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.AsyncTask; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.IBinder; import android.os.Message; import android.os.RemoteException; import android.preference.PreferenceManager; import android.util.Log; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.view.animation.AnimationUtils; import android.widget.AdapterView; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; import android.widget.ListView; import android.widget.RadioGroup; import android.widget.SeekBar; import android.widget.TextView; import android.widget.Toast; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemLongClickListener; import android.widget.SeekBar.OnSeekBarChangeListener; import net.avs234.iconifiedlist.IconifiedText; import net.avs234.iconifiedlist.IconifiedTextListAdapter; public class AndLess extends Activity implements Comparator<File> { // Current directory **OR** current cue/playlist file private File cur_path = null; // File/dir names together with their icons displayed in the list widget private ArrayList<IconifiedText> directoryEntries = new ArrayList<IconifiedText>(); // Full paths to files in current dir/playlist/cue private ArrayList<String> files = new ArrayList<String>(); // Track names in cue file private ArrayList<String> track_names = new ArrayList<String>(); // Track start times (seconds) in cue file private ArrayList<Integer> start_times = new ArrayList<Integer>(); // Index of 1st audio file in directoryEntries list (below directories, cues, and playlists) private int first_file_pos; // At the start, set this flag and emulate the pause if the last file was bookmarked private boolean pause_on_start = false; // Changed to true in playlists/settings dialogs private boolean playlist_changed = false; private void log_msg(String msg) { Log.i(getClass().getSimpleName(), msg); } private void log_err(String msg) { Log.e(getClass().getSimpleName(), msg); } // UI elements defined in layout xml file. private Button buttPause, buttPrev, buttNext, buttVMinus, buttVPlus, ButtonVolume; private TextView nowTime, allTime; private ListView fileList; private SeekBar pBar; private String curWindowTitle = null; private static final String resume_bmark = "/resume.bmark"; // Interface which is an entry point to server functions. Returned upon connection to the server. private IAndLessSrv srv = null; // If we're called through intent private String startfile = null; // Callback for server to report track/state changes. Invokes the above handler to set window title. private IAndLessSrvCallback cBack = new IAndLessSrvCallback.Stub() { public void playItemChanged(boolean error, String name) { log_msg(String.format("track name changed to %s", name)); Message msg = new Message(); Bundle data = new Bundle(); data.putString("filename", name); data.putBoolean("error", error); msg.setData(data); hdl.sendMessage(msg); } public void errorReported(String name) { log_msg(String.format("error \"%s\" received", name)); Message msg = new Message(); Bundle data = new Bundle(); data.putString("errormsg", name); msg.setData(data); hdl.sendMessage(msg); } public void playItemPaused(boolean paused) { pauseResumeHandler.sendEmptyMessage(paused ? 1 : 0); } }; IBinder.DeathRecipient bdeath = new IBinder.DeathRecipient() { public void binderDied() { log_err("Binder died, trying to reconnect"); conn = new_connection(); Intent intie = new Intent(); intie.setClassName("net.avs234", "net.avs234.AndLessSrv"); if(!stopService(intie)) log_err("service not stopped"); if(startService(intie)== null) log_msg("service not started"); else log_msg("started service"); if(!bindService(intie, conn,0)) log_err("cannot bind service"); else log_msg("service bound"); } }; // On connection, obtain the service interface and setup screen according to current server state private ServiceConnection conn = null; ServiceConnection new_connection() { return new ServiceConnection() { public void onServiceConnected(ComponentName cn,IBinder obj) { srv = IAndLessSrv.Stub.asInterface(obj); if(srv == null) { log_err("failed to get service interface"); errExit(R.string.strErrSrvIf); return; } try{ // if(!srv.initialized()) { // log_err("Server failed to initialize, exiting"); // errExit(getString(R.string.strSrvInitFail)); // } obj.linkToDeath(bdeath,0); if(startfile != null) { // we've been called via intent.VIEW log_msg("connection using "+startfile); File f = new File(startfile); if(f.exists() && !f.isDirectory() && hasAudioExt(startfile)) { int i = startfile.lastIndexOf('/'); f = new File(startfile.substring(0, i)); if(setAdapter(f) && i > 0) { log_msg("starting from \"" + startfile + "\" in \"" + f.toString() + "\""); srv.registerCallback(cBack); update_headset_mode(null); playDir(f,startfile); return; } } else if(f.exists() && (f.isDirectory() || hasPlistExt(startfile) || hasCueExt(startfile))) { if(setAdapter(f)) { srv.registerCallback(cBack); update_headset_mode(null); playPath(f); return; } } } String s = srv.get_cur_dir(); if(s != null) { File f = new File(s); if(f.exists() && (f.isDirectory() || hasPlistExt(s) || hasCueExt(s))) { try { if(setAdapter(f)) { log_msg("restored previous playlist"); int i = srv.get_cur_pos() + 1; if(i >= 0 && first_file_pos + i < directoryEntries.size()) { fileList.setSelection(first_file_pos+i); } if(srv.is_paused()) { cBack.playItemChanged(true,getString(R.string.strPaused)); buttPause.setBackgroundDrawable(getResources().getDrawable(R.drawable.s_play)); } else if(srv.is_running()) { cBack.playItemChanged(false,directoryEntries.get(first_file_pos+i).getText()); buttPause.setBackgroundDrawable(getResources().getDrawable(R.drawable.s_pause)); } else cBack.p