android 播放3gp的列子

核心提示：try {if(mMediaPlayer != null){if(mIsPaused == false)//要暂停当前的音乐{Log.i(TAG, "mIsPaused false");mMediaPlayer.pause();mIsPaused = true;//设置播放flag为truemTex

try {

if(mMediaPlayer != null)

{

if(mIsPaused == false)//要暂停当前的音乐

{

Log.i(TAG, "mIsPaused false");

mMediaPlayer.pause();

mIsPaused = true;//设置播放flag为true

mTextView.setText(R.string.str_pause);

setButtonEnabled(true, false, true);

}

else if( mIsPaused == true)//回放

{

Log.i(TAG, "mIsPaused true");

mMediaPlayer.seekTo(80000);

mIsPaused = false;

mTextView.setText(R.string.str_start);

setButtonEnabled(false, true, true);

}

}

} catch (IllegalStateException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

break;

default:

break;

}

}

};

/**

* 设置按钮是否可用

* @param enabled1 mBt_play

* @param enabled2 mBt_pause

* @param enabled3 mBt_stop

*/

private void setButtonEnabled(boolean enabled1,boolean enabled2,boolean enabled3){

mBt_play.setEnabled(enabled1);

mBt_pause.setEnabled(enabled2);

mBt_stop.setEnabled(enabled3);

}

}

package com.google.activity.media;

import java.io.IOException;

import android.media.MediaPlayer;

import android.media.MediaPlayer.OnCompletionListener;

import android.media.MediaPlayer.OnErrorListener;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.ImageButton;

import android.widget.TextView;

import com.google.Main;

import com.google.R;

public class IndexActivity extends Main {