Android简单的利用MediaRecorder进行录音

MediaRecorder可以进行简单的录音，由于操作简单所以可以用来进行基本的录音。

下面提供一个简单的例子，记得在Mainfest文件中添加权限。

代码如下：

package com.ppmeet;

import java.io.IOException;

import android.app.Activity;
import android.graphics.PixelFormat;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;

/**
 * class name：TestBasicAudio<BR>
 * class description：Basic Record Audio Demo<BR>
 * 
 * @version 1.00 2011/12/01
 * @author CODYY)peijiangping
 */
public class TestBasicAudio extends Activity {
	private Button button_start;
	private Button button_stop;
	private MediaRecorder recorder;

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		getWindow().setFormat(PixelFormat.TRANSLUCENT);// 让界面横屏
		requestWindowFeature(Window.FEATURE_NO_TITLE);// 去掉界面标题
		getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
				WindowManager.LayoutParams.FLAG_FULLSCREEN);
		// 重新设置界面大小
		setContentView(R.layout.main);
		init();
	}

	private void init() {
		button_start = (Button) this.findViewById(R.id.start);
		button_stop = (Button) this.findViewById(R.id.stop);
		button_stop.setOnClickListener(new AudioListerner());
		button_start.setOnClickListener(new AudioListerner());
	}

	class AudioListerner implements OnClickListener {
		@Override
		public void onClick(View v) {
			if (v == button_start) {
				initializeAudio();
			}
			if (v == button_stop) {
				recorder.stop();// 停止刻录
				// recorder.reset(); // 重新启动MediaRecorder.
				recorder.release(); // 刻录完成一定要释放资源
				// recorder = null;
			}
		}

		private void initializeAudio() {
			recorder = new MediaRecorder();// new出MediaRecorder对象
			recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
			// 设置MediaRecorder的音频源为麦克风
			recorder.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);
			// 设置MediaRecorder录制的音频格式
			recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
			// 设置MediaRecorder录制音频的编码为amr.
			recorder.setOutputFile("/sdcard/peipei.amr");
			// 设置录制好的音频文件保存路径
			try {
				recorder.prepare();// 准备录制
				recorder.start();// 开始录制
			} catch (IllegalStateException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}

		}
	}
}

AndroidMainfest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.ppmeet"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk android:minSdkVersion="8" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".TestBasicAudio"
            android:screenOrientation="landscape" >
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>
    <!-- 联网权限 -->
    <uses-permission android:name="android.permission.INTERNET" />
    <!-- 往SDCard写入数据权限 -->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <!-- 录音权限 -->
    <uses-permission android:name="android.permission.RECORD_AUDIO" />
    <!-- 在SDCard中创建与删除文件权限 -->
    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />

</manifest>

原文链接： http://blog.csdn.net/peijiangping1989/article/details/7033965