本文實(shí)例講述了android編程實(shí)現(xiàn)電話錄音的方法。分享給大家供大家參考。具體如下：
在清單文件AndroidManifest.xml中添加權(quán)限：
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<uses-permission android:name="android.permission.READ_PHONE_STATE"/><!-- 在SDCard中創(chuàng)建與刪除文件權(quán)限 --><uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/><!-- 往SDCard寫入數(shù)據(jù)權(quán)限 --><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/><uses-permission android:name="android.permission.RECORD_AUDIO"/><!-- 訪問internet權(quán)限 --><uses-permission android:name="android.permission.INTERNET"/><uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/> |
java代碼如下：
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public class PhoneListenerService extends Service {@Overridepublic void onCreate() { TelephonyManager manager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); //監(jiān)聽電話的狀態(tài) 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: /* 電話進(jìn)來時 */ num = incomingNumber; break; case TelephonyManager.CALL_STATE_OFFHOOK: /* 接起電話時 */ try { File file = new File(Environment.getExternalStorageDirectory(), num + "_" + System.currentTimeMillis() + ".3gp"); recorder = new MediaRecorder(); recorder.setAudioSource(AudioSource.MIC);//聲音采集來源(話筒) recorder.setOutputFormat(OutputFormat.THREE_GPP);//輸出的格式 recorder.setAudioEncoder(AudioEncoder.AMR_NB);//音頻編碼方式 recorder.setOutputFile(file.getAbsolutePath());//輸出方向 recorder.prepare(); recorder.start(); } catch (Exception e) { e.printStackTrace(); } break; case TelephonyManager.CALL_STATE_IDLE: /* 無任何狀態(tài)時 */ if (recorder != null) { recorder.stop(); recorder.release(); } break; } }}} |
希望本文所述對大家的Android程序設(shè)計(jì)有所幫助。
