android 录音

最新推荐文章于 2022-10-06 17:30:14 发布

iteye_2164

最新推荐文章于 2022-10-06 17:30:14 发布

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CC 4.0 BY-SA版权

文章标签： Android

本文链接：https://blog.youkuaiyun.com/iteye_2164/article/details/82093458

package com.test.audio;

import java.io.File;

import android.app.Activity;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class AudioActivity extends Activity {
    
	private Button record,play;
	
	MediaRecorder recorder ;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        record = (Button) findViewById(R.id.record);
        play = (Button) findViewById(R.id.play);
        record.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				
				if(record.getTag()==null || !record.getTag().equals("ing")){
					start();
				}else{
					stopAndSave();
				}
			}
		});
    }
    
    
    private void start(){
    	
    	try {
    		 recorder = new MediaRecorder();
			 recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
			 recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
			 recorder.setAudioEncoder(3);
			 String path = Environment.getExternalStorageDirectory()+File.separator + "test.mp3";
	        	if(!new File(path).exists()) new File(path).createNewFile();
			 recorder.setOutputFile(path);
			 recorder.prepare();
			 recorder.start();   // Recording is now started
		} catch (Exception e) {
			 Log.e("", "prepare() failed");
		}
		record.setTag("ing");
		record.setText("停止录音");
    }
    
    private void stopAndSave(){
    	recorder.stop();
//    	recorder.reset();
    	recorder.release();
    	recorder = null;
    	record.setText("开始录音");
    	record.setTag("");
    }
    
}