要在安卓设备上以编程方式启用“自动录制所有通话”的功能,你需要使用Android的Telephony API来实现。以下是一个示例代码,展示了如何实现这个功能:
首先,在AndroidManifest.xml文件中添加以下权限:
然后,在你的Activity或Service类中使用以下代码来实现自动录制通话的功能:
import android.media.MediaRecorder;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.util.Log;
import java.io.IOException;
public class CallRecorder {
private static final String TAG = "CallRecorder";
private MediaRecorder mediaRecorder;
private boolean isRecording = false;
public void startRecording() {
if (isRecording) {
return;
}
TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
PhoneStateListener phoneStateListener = new PhoneStateListener() {
@Override
public void onCallStateChanged(int state, String phoneNumber) {
switch (state) {
case TelephonyManager.CALL_STATE_RINGING:
// 电话响铃
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
// 电话接通
startMediaRecorder();
break;
case TelephonyManager.CALL_STATE_IDLE:
// 电话挂断
stopMediaRecorder();
break;
}
}
};
telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
isRecording = true;
Log.d(TAG, "Recording started");
}
public void stopRecording() {
if (!isRecording) {
return;
}
TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
telephonyManager.listen(null, PhoneStateListener.LISTEN_NONE);
stopMediaRecorder();
isRecording = false;
Log.d(TAG, "Recording stopped");
}
private void startMediaRecorder() {
mediaRecorder = new MediaRecorder();
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
mediaRecorder.setOutputFile("/path/to/save/recording.mp4");
try {
mediaRecorder.prepare();
mediaRecorder.start();
} catch (IOException e) {
Log.e(TAG, "Failed to start media recorder", e);
}
}
private void stopMediaRecorder() {
if (mediaRecorder != null) {
mediaRecorder.stop();
mediaRecorder.reset();
mediaRecorder.release();
mediaRecorder = null;
}
}
}
你可以在你的Activity或Service中调用startRecording()
方法来开始录制通话,调用stopRecording()
方法来停止录制通话。
请注意,这个代码示例只是一个基础实现,你可能需要根据你的需求进行适当的修改和调整。另外,为了保护用户隐私,你应该在使用此功能之前向用户请求录音权限。