Android 录音与播放

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:paddingBottom="@dimen/activity_vertical_margin"
    tools:context="cn.zhaochunqi.testrecord007.app.MainActivity">

    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="录音"
            android:id="@+id/button"
            android:layout_centerVertical="true"
            android:layout_centerHorizontal="true"
            android:onClick="to_record"/>

    <Button
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="播放"
            android:id="@+id/button2"
            android:layout_above="@+id/button"
            android:layout_centerHorizontal="true"
            android:onClick="play_recorded"/>
</RelativeLayout>

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="cn.zhaochunqi.testrecord007.app" >
    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="cn.zhaochunqi.testrecord007.app.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

MainActivity.java

package cn.zhaochunqi.testrecord007.app;

import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

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


public class MainActivity extends ActionBarActivity {

    private Button to_record_button;
    private int flag_button = 0 ;
    MediaRecorder mediaRecorder = new MediaRecorder();
    File audioFile = null;
    MediaPlayer mediaPlayer = new MediaPlayer();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        to_record_button = (Button)findViewById(R.id.button);
        to_record_button.setOnClickListener(to_record_short_click);
        to_record_button.setOnLongClickListener(to_record_long_click);
    }


    @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 boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

//    public void to_record(View view) {
//        if(flag_button == 0) {
//
//            startRecord();
//            to_record_button.setText("停止");
//            flag_button = 1;
//        }else {
//            stopRecord();
//            to_record_button.setText("录音");
//            flag_button = 0;
//        }
//
//    }
    /*
     * 监听器，长按开始录音。
     * @return 返回值为flase时在结束时回启动onclickListener，为true时不会调用。
     */
    private View.OnLongClickListener to_record_long_click = new View.OnLongClickListener() {
        @Override
        public boolean onLongClick(View v) {
            to_record_button.setText("录音中");
            startRecord();
            flag_button = 1;
            return false;
        }
    };

    /*
     * 监听器，在OnLongClickListener结束后如果返回时为flase时启动
     * 如果点击时间不超过2s也回启动。
     */
    private View.OnClickListener to_record_short_click = new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (flag_button != 1) {
                Toast.makeText(MainActivity.this, "太短啦", Toast.LENGTH_SHORT).show();
            } else {
                stopRecord();
                to_record_button.setText("录音");
                Log.e("hello ", "stopped");
                Toast.makeText(MainActivity.this, "录音结束了呢", Toast.LENGTH_SHORT).show();
            }
        }
    };

    private void startRecord(){
        mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        mediaRecorder.setOutputFormat(MediaRecorder.AudioEncoder.DEFAULT);
        mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
        try {
            audioFile = File.createTempFile("record_", ".amr");
            mediaRecorder.setOutputFile(audioFile.getAbsolutePath());
            Log.e("Adress", audioFile.getAbsolutePath().toString());
            mediaRecorder.prepare();
            mediaRecorder.start();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private void stopRecord() {
        mediaRecorder.stop();
    }


    public void play_recorded(View view) {
        try {
            mediaPlayer.setDataSource(audioFile.getAbsolutePath());
            mediaPlayer.prepare();
            mediaPlayer.start();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

}