import java.io.IOException;import android.app.Service;import android.content.Context;import android.content.Intent;import android.media.MediaRecorder;import android.os.IBinder;import android.telephony.PhoneStateListener;import android.telephony.TelephonyManager;import android.util.Log;public class RecordService extends Service{@Overridepublic IBinder onBind(Intent intent) {// TODO Auto-generated method stubreturn null;}@Overridepublic void onCreate() {super.onCreate();//創(chuàng)建一個電話管理器對象TelephonyManager manager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);/創(chuàng)建電話狀態(tài)的一個監(jiān)聽器MyPhoneStateListener listener = new MyPhoneStateListener();//調(diào)用電話管理器的listen方法注冊監(jiān)聽//參數(shù)：1.監(jiān)聽器挂谍，2.要監(jiān)聽打電話的狀態(tài)manager.listen(listener, PhoneStateListener.LISTEN_CALL_STATE);}private class MyPhoneStateListener extends PhoneStateListener{private MediaRecorder recorder;@Overridepublic void onCallStateChanged(int state, String incomingNumber) {switch (state) {case TelephonyManager.CALL_STATE_IDLE:Log.e("TAG", "空閑狀態(tài)"+"錄音結(jié)束");(recorder != null) {try {recorder.stop();//停止錄音} catch (Exception e) {e.printStackTrace();finally{recorder.reset(); ? //重置recorder.release(); //釋放}}break;case TelephonyManager.CALL_STATE_RINGING:Log.e("TAG","響鈴"+incomingNumber+",準(zhǔn)備一個錄音機(jī)");recorder = new MediaRecorder();//設(shè)置音頻的輸入源 ?MIC只能錄自己的聲音 高每；VOICE_CALL可以錄雙方的聲音recorder.setAudioSource(MediaRecorder.AudioSource.MIC);//設(shè)置音頻輸出的格式.3gp(體積小 所禀，效果差 碘赖，壓縮狠)recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);//設(shè)置音頻的編碼，AMR是早期彩屏彩鈴手機(jī)上使用的音頻格式另绩，一般用做手機(jī)鈴聲//NB(窄帶) ? WB(寬帶)recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);//設(shè)置輸入之后文件保存的路徑recorder.setOutputFile(getCacheDir()+"/"+incomingNumber+".3gp");//錄音機(jī)開始準(zhǔn)備{recorder.prepare();} catch (IllegalStateException e) {/ TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}break;case TelephonyManager.CALL_STATE_OFFHOOK:Log.e("TAG","接電話了"+incomingNumber + ",開始錄音");recorder.start(); ? // 開始錄音default:break;}super.onCallStateChanged(state, incomingNumber);}}}