Android基础之电话监听

来源：互联网发布：网络收音下载编辑：程序博客网时间：2024/05/20 02:30

简单的电话监听

public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }    /*     * 开始监听     */    public void startMonitor(View view){        Intent service=new Intent(this,MyMonitorService.class);        startService(service);    }    /*     * 停止监听     */    public void stopMonitor(View view){        Intent service=new Intent(this,MyMonitorService.class);        stopService(service);    }    }

**********************************************************************

public class MyMonitorService extends Service {    protected static final String TAG = "m520it";    protected String mIncomingNumber="";    private boolean isComming=false;    /*     * 分析     * 手机监听是长期的,不能随着app的关闭service就停止,这里就用不到绑定service     */    @Override    public void onCreate() {        //1获取系统服务中(电话服务)的电话管理        TelephonyManager mService = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);        //给电话设置监听        mService.listen(new PhoneStateListener(){            private MediaRecorder recorder;            @Override//来电状态的改变会执行这里            public void onCallStateChanged(int state, String incomingNumber) {                /**电话设备状态改变的时候回调这个方法                 * Callback invoked when device call state changes.                 * @see TelephonyManager#CALL_STATE_IDLE                 * @see TelephonyManager#CALL_STATE_RINGING                 * @see TelephonyManager#CALL_STATE_OFFHOOK                 */                switch (state) {                case TelephonyManager.CALL_STATE_IDLE:                    if (isComming&&mIncomingNumber!=null) {                        Log.v(TAG, "CALL_STATE_IDLE------->保存录音");//开启服务的时候执行一次,每挂断一次电话执行一次                        recorder.stop();                        recorder.release();                       recorder=null;                        isComming=false;                        mIncomingNumber="";                    }                    break;                case TelephonyManager.CALL_STATE_RINGING:                    Log.v(TAG, "CALL_STATE_RINGING------>保存来电的号码");//铃声响起的时候执行,只有此时才可以获取来电的电话号码                    mIncomingNumber=incomingNumber;                    break;                case TelephonyManager.CALL_STATE_OFFHOOK:                    isComming=true;                    Log.v(TAG, "CALL_STATE_OFFHOOK---->开始录音");//接通的时候执行执行                    recorder = new MediaRecorder();                    //设置声音来源,麦克风                    recorder.setAudioSource(AudioSource.MIC);                    //设置输出格式                    recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);                    //设置编码方式                    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);                    //设置输出文件的路径,                    recorder.setOutputFile(getPath(mIncomingNumber));                    //准备输出                    try {                        recorder.prepare();                        recorder.start();                    } catch (Exception e) {                        // TODO Auto-generated catch block                        e.printStackTrace();                    }                    break;                }            }            //监听来电时的状态        }, PhoneStateListener.LISTEN_CALL_STATE);    }    protected String getPath(String mIncomingNumber2) {                // TODO Auto-generated method stub        //新建一个文件,作为文件保存的路径,根据来电的号码和当前的时间作为文件名        SimpleDateFormat dateFormat=new SimpleDateFormat("yy-MM-dd HH:mm:ss");        File file = new File(getFilesDir(), dateFormat.format(new Date())+":"+mIncomingNumber2+".3gp");        return file.getAbsolutePath();                    }    @Override    public IBinder onBind(Intent intent) {        // TODO Auto-generated method stub        return null;    }}

权限

*****************************************

<!--读取电话状态-->    <!--录制音频-->    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>    <uses-permission android:name="android.permission.RECORD_AUDIO"/>

阅读全文

0 0