android 录音代码，android录音,import andro

android 录音代码，android录音,import andro

import android.app.Activity;  import android.media.MediaRecorder;  import android.os.Bundle;  import android.os.Environment;  import android.view.View;  import android.view.View.OnClickListener;  import android.widget.Button;  public class MainActivity extends Activity {      private Button start, end;      private MediaRecorder mediaRecorder;      private String fileName;      @Override      protected void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          setContentView(R.layout.main);          start= (Button) findViewById(R.id.start);          end = (Button) findViewById(R.id.end);          fileName= Environment.getExternalStorageDirectory().getAbsolutePath() + "/audioRecorder.3gp";          start.setOnClickListener(new OnClickListener() {              @Override              public void onClick(View v) {                  //一共七步                  mediaRecorder = new MediaRecorder();                  mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);//设置麦克风                  mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);//输出音频格式                  mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);//编码格式                  mediaRecorder.setOutputFile(fileName);//输出路径                  try {                      mediaRecorder.prepare();//准备                  } catch (Exception e) {                      e.printStackTrace();                  }                  mediaRecorder.start();//开始录音              }          });          //结束录音          end.setOnClickListener(new OnClickListener() {              @Override              public void onClick(View v) {                  mediaRecorder.stop();                  mediaRecorder.release();              }          });      }  }