android实现电话录音，android电话录音,android-电话录音

android实现电话录音，android电话录音,android-电话录音

android-电话录音

在清单文件AndroidManifest.xml中添加权限：    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>    <!-- 在SDCard中创建与删除文件权限 -->    <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>    <!-- 往SDCard写入数据权限 -->    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>    <uses-permission android:name="android.permission.RECORD_AUDIO"/>    <!-- 访问internet权限 -->    <uses-permission android:name="android.permission.INTERNET"/>    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>public class PhoneListenerService extends Service {@Overridepublic void onCreate() {        TelephonyManager manager =                   (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);        //监听电话的状态    manager.listen(new MyListener(), PhoneStateListener.LISTEN_CALL_STATE);}private final class MyListener extends PhoneStateListener {    private String num;    private MediaRecorder recorder;    public void onCallStateChanged(int state, String incomingNumber) {        switch (state) {            case TelephonyManager.CALL_STATE_RINGING:  /* 电话进来时 */                num = incomingNumber;                break;            case TelephonyManager.CALL_STATE_OFFHOOK: /* 接起电话时 */                try {                    File file = new File(Environment.getExternalStorageDirectory(), num + "_" + System.currentTimeMillis() + ".3gp");                    recorder = new MediaRecorder();                    recorder.setAudioSource(AudioSource.MIC);//声音采集来源(话筒)                    recorder.setOutputFormat(OutputFormat.THREE_GPP);//输出的格式                    recorder.setAudioEncoder(AudioEncoder.AMR_NB);//音频编码方式                    recorder.setOutputFile(file.getAbsolutePath());//输出方向                    recorder.prepare();                    recorder.start();                } catch (Exception e) {                    e.printStackTrace();                }                break;            case TelephonyManager.CALL_STATE_IDLE:  /* 无任何状态时 */                if (recorder != null) {                    recorder.stop();                    recorder.release();                }                break;        }    }}}