016_01Service的应用--拨打电话自动录音

 1 package com.example.day16_03phonerecorder;
 2 
 3 import android.app.Activity;
 4 import android.content.Intent;
 5 import android.os.Bundle;
 6 
 7 public class MainActivity extends Activity {
 8 
 9     @Override
10     protected void onCreate(Bundle savedInstanceState) {
11         super.onCreate(savedInstanceState);
12         setContentView(R.layout.activity_main);
13         
14         Intent intent = new Intent(this, MyPhoneRecordService.class);
15         startService(intent);    
16     }     
17 }

  1 package com.example.day16_03phonerecorder;
  2 
  3 import java.io.IOException;
  4 
  5 import android.app.Service;
  6 import android.content.Intent;
  7 import android.media.MediaRecorder;
  8 import android.media.MediaRecorder.AudioEncoder;
  9 import android.media.MediaRecorder.AudioSource;
 10 import android.media.MediaRecorder.OutputFormat;
 11 import android.os.IBinder;
 12 import android.telephony.PhoneStateListener;
 13 import android.telephony.TelephonyManager;
 14 
 15 public class MyPhoneRecordService extends Service {
 16 
 17     MediaRecorder mMediaRecorder;
 18     boolean recordflag =false;
 19     @Override
 20     public IBinder onBind(Intent intent) {
 21         // TODO Auto-generated method stub
 22         return null;
 23     }
 24 
 25     @Override
 26     public void onCreate() {
 27         // TODO Auto-generated method stub
 28         super.onCreate();
 29         System.out.println("MyPhoneRecordService.onCreate()");
 30     }
 31 
 32     @Override
 33     public int onStartCommand(Intent intent, int flags, int startId) {
 34         // TODO Auto-generated method stub
 35         System.out.println("MyPhoneRecordService.onStartCommand()");
 36 
 37         //服务里要监听电话的状态
 38         //  1，如果发现电话接通--》就是开始录音
 39         //  2.如果发现电话挂断 --》就停止录音        
 40         TelephonyManager telephonyManager = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
 41         telephonyManager.listen(new MyphoneStateListener(), PhoneStateListener.LISTEN_CALL_STATE);        
 42         return super.onStartCommand(intent, flags, startId);
 43     }
 44 
 45     @Override
 46     public void onDestroy() {
 47         // TODO Auto-generated method stub
 48         super.onDestroy();
 49         System.out.println("MyPhoneRecordService.onDestroy()");
 50     }
 51     
 52     class MyphoneStateListener extends PhoneStateListener{
 53        /*    
 54        *//** Device call state: No activity. *//*
 55         public static final int CALL_STATE_IDLE = 0;
 56         *//** Device call state: Ringing. A new call arrived and is
 57          *  ringing or waiting. In the latter case, another call is
 58          *  already active. *//*
 59         public static final int CALL_STATE_RINGING = 1;
 60         *//** Device call state: Off-hook. At least one call exists
 61           * that is dialing, active, or on hold, and no calls are ringing
 62           * or waiting. *//*
 63         public static final int CALL_STATE_OFFHOOK = 2;*/
 64         
 65         
 66         @Override
 67         public void onCallStateChanged(int state, String incomingNumber) {
 68             // TODO Auto-generated method stub
 69             super.onCallStateChanged(state, incomingNumber);            
 70             switch (state) {
 71             case 0:            
 72                 if (recordflag) {
 73                     //停止录音
 74                     // 8. 停止录音 
 75                     mMediaRecorder.stop(); 
 76                     // 9. 释放资源 
 77                     mMediaRecorder.release();
 78                     recordflag=false;
 79                 }    
 80                 System.out
 81                         .println("MyPhoneRecordService.MyphoneStateListener.onCallStateChanged()电话挂断");
 82                 break;
 83             case 1:
 84                 System.out
 85                         .println("MyPhoneRecordService.MyphoneStateListener.onCallStateChanged()正在响铃");
 86                 
 87                 break;
 88             case 2:
 89                 //开始录音
 90             // 1. 创建一个MediaRecorder对象 
 91                   mMediaRecorder = new MediaRecorder(); 
 92             // 2. 设置音频源
 93                  mMediaRecorder.setAudioSource(AudioSource.MIC); 
 94             // 3. 设置输出格式
 95                  mMediaRecorder.setOutputFormat(OutputFormat.THREE_GPP);                  
 96             // 4. 设置输出文件的名字
 97                  mMediaRecorder.setOutputFile(getFilesDir()+"/record.3pg"); 
 98             // 5. 设置音频编码
 99                  mMediaRecorder.setAudioEncoder(AudioEncoder.DEFAULT); 
100             // 6. 准备以下, 马上开始录音
101                  try {
102                     mMediaRecorder.prepare();
103                 } catch (IllegalStateException e) {
104                     // TODO Auto-generated catch block
105                     e.printStackTrace();
106                 } catch (IOException e) {
107                     // TODO Auto-generated catch block
108                     e.printStackTrace();
109                 } 
110             // 7. 开始录音 
111                  mMediaRecorder.start(); // 录音开始了...         
112                  recordflag=true;
113                  
114                  System.out
115                         .println("MyPhoneRecordService.MyphoneStateListener.onCallStateChanged()正在通话");
116                 
117                 break;
118 
119             default:
120                 break;
121             }
122         }    
123     }
124 }

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3     package="com.example.day16_03phonerecorder"
 4     android:versionCode="1"
 5     android:versionName="1.0" >
 6 
 7     <uses-sdk
 8         android:minSdkVersion="14"
 9         android:targetSdkVersion="19" />
10     <uses-permission android:name="android.permission.READ_PHONE_STATE"/>
11     <uses-permission android:name="android.permission.RECORD_AUDIO"/>
12 
13     <application
14         android:allowBackup="true"
15         android:icon="@drawable/ic_launcher"
16         android:label="@string/app_name"
17         android:theme="@style/AppTheme" >
18         <activity
19             android:name=".MainActivity"
20             android:label="@string/app_name" >
21             <intent-filter>
22                 <action android:name="android.intent.action.MAIN" />
23 
24                 <category android:name="android.intent.category.LAUNCHER" />
25             </intent-filter>
26         </activity>
27         <service  android:name=".MyPhoneRecordService"></service>
28     </application>
29 
30 </manifest>