来自 IT技术分享 2019-01-17 11:39 的文章

Android来电监听

public class MainActivity extends Activity {

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// TODO Auto-generated method stub
		super.onCreate(savedInstanceState);
		TelephonyManager mTelephonyManager =(TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE);
		mTelephonyManager.listen(new PhoneListener(), PhoneStateListener.LISTEN_CALL_STATE);
		ITelephony mTelephony = ITelephony.Stub.asInterface(ServiceManager.getService("phone"));
	}

	class PhoneListener extends PhoneStateListener {
		private MediaRecorder mRecorder = null;
		private boolean flag = false;
		private String phoneNum = null;
		@Override
		public void onCallStateChanged(int state, String incomingNumber) {
			// TODO Auto-generated method stub
			switch (state) {
				case TelephonyManager.CALL_STATE_IDLE:
					try {
						if (mRecorder != null) {
							mRecorder.stop(); // 停止
							mRecorder.release();// 释放
							mRecorder = null;// 垃圾回收
						}
						if (flag) {
							mTelephony.call(phoneNum);
							flag = false;
						}	
					} catch (Exception e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					break;
				case TelephonyManager.CALL_STATE_OFFHOOK:
					//通话录音
					try {
						mRecorder = new MediaRecorder();
						mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC); // 此处只实现了录本地MIC输入的声音,若想录入对立通话者的声音
						mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
						mRecorder.setOutputFile("/mnt/sdcard/" + incomingNumber + "_"+ System.currentTimeMillis() + ".3gp");
						mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
						try {
							mRecorder.prepare();
						} catch (Exception e) {
							e.printStackTrace();
						}
						mRecorder.start();
						Thread.sleep(30 * 1000);
					} catch (Exception e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					break;
				case TelephonyManager.CALL_STATE_RINGING:
					//来电自动接听
					try {
						phoneNum = incomingNumber;
						flag = true;
						if (mTelephony.isRinging()) {
							mTelephony.silenceRinger();
							mTelephony.answerRingingCall();
						}
					} catch (Exception e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
					break;
				default:
					break;
			}
			super.onCallStateChanged(state, incomingNumber);
		}
	}
}

 

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