Android recording 录音功能 简单使用小实例

package com.app.recordingtest;

import java.io.File;
import java.io.IOException;

import android.app.Activity;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
/**
 * v1.0 version
 *
 * @author Administrator
 *
 */
public class MainActivity extends Activity implements OnClickListener {
	Button button1, button2;
	MediaRecorder recorder;
	ListView listView1;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		button1 = (Button) findViewById(R.id.button1);
		button2 = (Button) findViewById(R.id.button2);
		listView1 = (ListView) findViewById(R.id.listView1);
		button1.setOnClickListener(this);
		button2.setOnClickListener(this);
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
			case R.id.button1 :
				try {
					begin();
				} catch (IOException e) {
					e.printStackTrace();
				}
				break;
			case R.id.button2 :
				stop();
				break;

			default :
				break;
		}

	}

	private void stop() {
		recorder.stop(); // 暂停
		recorder.reset(); // 重置
		recorder.release(); // 释放
		Toast.makeText(MainActivity.this, "暂停..", Toast.LENGTH_SHORT).show();
	}

	private void begin() throws IOException {
		final String PATH = "/mnt/sdcard"; // 设置路径
		File filePath = new File(PATH);
		filePath = File.createTempFile("/fileName", ".amr/", filePath);
		String outPath = filePath.getPath().toString();
		Toast.makeText(MainActivity.this, "开始.." + outPath, Toast.LENGTH_SHORT)
				.show();
		recorder = new MediaRecorder(); // 创建对象
		recorder.setAudioSource(MediaRecorder.AudioSource.MIC); // 设置来源
		recorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT); // 设置输出格式
		recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); // 设置编码
		recorder.setOutputFile(outPath); // 设置输出路径
		Toast.makeText(MainActivity.this,
				" .." + filePath.getAbsolutePath().toString(),
				Toast.LENGTH_SHORT).show();
		try {
			recorder.prepare(); // 准备录音
			recorder.start(); // 开始录音
			Toast.makeText(MainActivity.this, "开始..", Toast.LENGTH_SHORT)
					.show();
		} catch (IllegalStateException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

}