Removed PhoneGap.java, renaming to device and audio

2026-04-23 00:00:09 +08:00 · 2010-06-08 16:30:20 -07:00
parent bb501de22c
commit 945c0d95e6
5 changed files with 314 additions and 257 deletions
@@ -0,0 +1,193 @@
+package com.phonegap;
+
+import java.io.File;
+import java.io.IOException;
+
+import android.content.Context;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.media.MediaPlayer.OnErrorListener;
+import android.media.MediaRecorder;
+import android.media.MediaPlayer.OnBufferingUpdateListener;
+import android.media.MediaPlayer.OnCompletionListener;
+import android.media.MediaPlayer.OnPreparedListener;
+import android.util.Log;
+
+public class AudioPlayer implements OnCompletionListener, OnPreparedListener, OnErrorListener {
+	private MediaRecorder recorder;
+	private boolean isRecording = false;
+	MediaPlayer mPlayer;
+	private boolean isPlaying = false;
+	private String recording;
+	private String saveFile;
+	private Context mCtx;
+	
+	public AudioPlayer(String file, Context ctx) {
+		this.recording = file;
+		this.mCtx = ctx;
+	}	
+	
+	protected void startRecording(String file){
+		if (!isRecording){
+			saveFile=file;
+			recorder = new MediaRecorder();
+			recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
+			recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
+			recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
+			recorder.setOutputFile(this.recording);
+			try {
+				recorder.prepare();
+			} catch (IllegalStateException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			} catch (IOException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+			isRecording = true;
+			recorder.start();
+		}
+	}
+	
+	private void moveFile(String file) {
+		/* this is a hack to save the file as the specified name */
+		File f = new File (this.recording);
+		f.renameTo(new File("/sdcard" + file));
+	}
+	
+	protected void stopRecording(){
+		try{
+			if((recorder != null)&&(isRecording))
+			{
+				isRecording = false;
+				recorder.stop();
+		        recorder.release(); 
+			}
+			moveFile(saveFile);
+		}
+		catch (Exception e)
+		{
+			e.printStackTrace();
+		}
+	}	
+	
+	protected void startPlaying(String file) {
+		if (isPlaying==false) {
+			try {
+				mPlayer = new MediaPlayer();
+				isPlaying=true;
+				Log.d("Audio startPlaying", "audio: " + file);
+				if (isStreaming(file))
+				{
+					Log.d("AudioStartPlaying", "Streaming");
+					// Streaming prepare async
+					mPlayer.setDataSource(file);
+					mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);  
+					mPlayer.prepareAsync();
+				} else {
+					Log.d("AudioStartPlaying", "File");
+					// Not streaming prepare synchronous, abstract base directory
+					mPlayer.setDataSource("/sdcard/" + file);
+					mPlayer.prepare();
+				}
+				mPlayer.setOnPreparedListener(this);
+			} catch (Exception e) 
+			{ 
+				e.printStackTrace(); 
+			}
+		}
+	} 
+
+	public void stopPlaying() {
+		if (isPlaying) {
+			mPlayer.stop();
+			mPlayer.release();
+			isPlaying=false;
+		}
+	}
+	
+	public void onCompletion(MediaPlayer mPlayer) {
+		mPlayer.stop();
+		mPlayer.release();
+		isPlaying=false;
+    } 
+	
+	protected long getCurrentPosition() {
+		if (isPlaying) 
+		{
+			return(mPlayer.getCurrentPosition());
+		} else { return(-1); }
+	}
+	
+	private boolean isStreaming(String file) 
+	{
+		if (file.contains("http://")) {
+			return true;
+		} else {
+			return false;
+		}
+	}
+	
+	protected long getDuration(String file) {
+		long duration = -2;
+		if (!isPlaying & !isStreaming(file)) {
+			try {
+				mPlayer = new MediaPlayer();
+				mPlayer.setDataSource("/sdcard/" + file);
+				mPlayer.prepare();
+				duration = mPlayer.getDuration();
+				mPlayer.release();
+			} catch (Exception e) { e.printStackTrace(); return(-3); }
+		} else
+		if (isPlaying & !isStreaming(file)) {
+			duration = mPlayer.getDuration();
+		} else 
+		if (isPlaying & isStreaming(file)) {
+			try {
+				duration = mPlayer.getDuration();
+			} catch (Exception e) { e.printStackTrace(); return(-4); }
+		}else { return -1; }
+		return duration;
+	}
+
+	public void onPrepared(MediaPlayer mPlayer) {
+		if (isPlaying) {
+			mPlayer.setOnCompletionListener(this);
+			mPlayer.setOnBufferingUpdateListener(new OnBufferingUpdateListener()
+			{
+				public void onBufferingUpdate(MediaPlayer mPlayer, int percent)
+				{
+					/* TODO: call back, e.g. update outer progress bar */
+					Log.d("AudioOnBufferingUpdate", "percent: " + percent); 
+				}
+			});
+			mPlayer.start();
+		}
+	}
+
+	public boolean onError(MediaPlayer mPlayer, int arg1, int arg2) {
+		Log.e("AUDIO onError", "error " + arg1 + " " + arg2);
+		return false;
+	}
+	
+	protected void setAudioOutputDevice(int output){
+		// Changes the default audio output device to speaker or earpiece 
+		AudioManager audiMgr = (AudioManager) mCtx.getSystemService(Context.AUDIO_SERVICE);
+		if (output == (2))
+			audiMgr.setRouting(AudioManager.MODE_NORMAL, AudioManager.ROUTE_SPEAKER, AudioManager.ROUTE_ALL);
+		else if (output == (1)){
+			audiMgr.setRouting(AudioManager.MODE_NORMAL, AudioManager.ROUTE_EARPIECE, AudioManager.ROUTE_ALL);
+		}else
+			Log.e("AudioHandler setAudioOutputDevice", " unknown output device");	
+	}
+	
+	protected int getAudioOutputDevice(){
+		AudioManager audiMgr = (AudioManager) mCtx.getSystemService(Context.AUDIO_SERVICE);
+		if (audiMgr.getRouting(AudioManager.MODE_NORMAL) == AudioManager.ROUTE_EARPIECE)
+			return 1;
+		else if (audiMgr.getRouting(AudioManager.MODE_NORMAL) == AudioManager.ROUTE_SPEAKER)
+			return 2;
+		else
+			return -1;
+	}
+}