java - Android记录的来电和去电是静音的
问题描述
这是代码
public class MainActivity extends AppCompatActivity {
ToggleButton toggleButton;
TextView textSubHeader;
@Override
protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
toggleButton = (ToggleButton) findViewById(R.id.toggleButton);
textSubHeader = (TextView) findViewById(R.id.textSubHeader);
// File CallRecorder = new File("/sdcard/CallRecorder");
// CallRecorder.mkdirs();
}
@Override
protected void onResume() {
super.onResume();
// Runtime permission
try {
boolean permissionGranted_OutgoingCalls = ActivityCompat.checkSelfPermission(this, Manifest.permission.PROCESS_OUTGOING_CALLS) == PackageManager.PERMISSION_GRANTED;
boolean permissionGranted_phoneState = ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE) == PackageManager.PERMISSION_GRANTED;
boolean permissionGranted_recordAudio = ActivityCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
boolean permissionGranted_WriteExternal = ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
boolean permissionGranted_ReadExternal = ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
if (permissionGranted_OutgoingCalls) {
if (permissionGranted_phoneState) {
if (permissionGranted_recordAudio) {
if (permissionGranted_WriteExternal) {
if (permissionGranted_ReadExternal) {
try {
toggleButton.setVisibility(View.VISIBLE);
} catch (Exception e) {
e.printStackTrace();
}
} else {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 200);
}
} else {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 300);
}
} else {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.RECORD_AUDIO}, 400);
}
} else {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_PHONE_STATE}, 500);
}
} else {
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.PROCESS_OUTGOING_CALLS}, 600);
}
} catch (Exception e) {
e.printStackTrace();
}
}
@SuppressLint("ResourceAsColor")
public void toggleButtonClick(View view) {
try {
boolean checked = ((ToggleButton) view).isChecked();
if (checked) {
Intent intent = new Intent(this, CallRecorder.class);
startService(intent);
Toast.makeText(getApplicationContext(), "Call Recording is set ON", Toast.LENGTH_SHORT).show();
textSubHeader.setText("Switch on Toggle to record your calls");
} else {
Intent intent = new Intent(this, CallRecorder.class);
stopService(intent);
Toast.makeText(getApplicationContext(), "Call Recording is set OFF", Toast.LENGTH_SHORT).show();
textSubHeader.setText("Switch Off Toggle to stop recording your calls");
}
}
catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
if (requestCode == 200 || requestCode == 300 || requestCode == 400 || requestCode == 500 || requestCode == 600) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
try {
toggleButton.setVisibility(View.VISIBLE);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}
public class CallRecorder extends Service {
private MediaRecorder recorder;
private boolean recordStarted = false;
private String savedNumber;
public static final String ACTION_IN = "android.intent.action.PHONE_STATE";
public static final String ACTION_OUT = "android.intent.action.NEW_OUTGOING_CALL";
public static final String EXTRA_PHONE_NUMBER = "android.intent.extra.PHONE_NUMBER";
private int lastState = TelephonyManager.CALL_STATE_IDLE;
private boolean isIncoming;
@Override
public IBinder onBind(Intent arg0) {
// TODO Auto-generated method stub
return null;
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
final IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_OUT);
filter.addAction(ACTION_IN);
this.registerReceiver(new CallReceiver(), filter);
return super.onStartCommand(intent, flags, startId);
}
private void stopRecording() {
if (recordStarted) {
recorder.stop();
recordStarted = false;
}
}
public abstract class PhoneCallReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent.getAction().equals(ACTION_OUT)) {
savedNumber = intent.getStringExtra(EXTRA_PHONE_NUMBER);
} else {
String stateStr = intent.getStringExtra(TelephonyManager.EXTRA_STATE);
savedNumber = intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER);
int state = 0;
if (stateStr.equals(TelephonyManager.EXTRA_STATE_IDLE)) {
state = TelephonyManager.CALL_STATE_IDLE;
} else if (stateStr.equals(TelephonyManager.EXTRA_STATE_OFFHOOK)) {
state = TelephonyManager.CALL_STATE_OFFHOOK;
} else if (stateStr.equals(TelephonyManager.EXTRA_STATE_RINGING)) {
state = TelephonyManager.CALL_STATE_RINGING;
}
onCallStateChanged(context, state, savedNumber);
}
}
protected abstract void onIncomingCallReceived(Context ctx, String number);
protected abstract void onIncomingCallAnswered(Context ctx, String number);
protected abstract void onIncomingCallEnded(Context ctx, String number);
protected abstract void onOutgoingCallStarted(Context ctx, String number);
protected abstract void onOutgoingCallEnded(Context ctx, String number);
protected abstract void onMissedCall(Context ctx, String number);
public void onCallStateChanged(Context context, int state, String number) {
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.US);
String time = dateFormat.format(new Date()) ;
File sampleDir = new File(Environment.getExternalStorageDirectory(), "/indcallrecorder");
if (!sampleDir.exists()) {
sampleDir.mkdirs();
}
if (lastState == state) {
return;
}
switch (state) {
case TelephonyManager.CALL_STATE_RINGING:
isIncoming = true;
savedNumber = number;
onIncomingCallReceived(context, number );
recorder = new MediaRecorder();
// recorder.setAudioSamplingRate(8000);
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
recorder.setOutputFile(sampleDir.getAbsolutePath() + "/" + "Incoming \n" + number + " \n" + time + " \n" + " Call.amr");
try {
recorder.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
recorder.start();
recordStarted = true;
break;
case TelephonyManager.CALL_STATE_OFFHOOK:
if (lastState != TelephonyManager.CALL_STATE_RINGING) {
isIncoming = false;
recorder = new MediaRecorder();
recorder.setAudioSamplingRate(8000);
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
recorder.setOutputFile(sampleDir.getAbsolutePath() + "/" + "Outgoing \n" + savedNumber + " \n" + time + " \n" + " Call.amr");
try {
recorder.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
recorder.start();
recordStarted = true;
onOutgoingCallStarted(context, savedNumber );
} else {
isIncoming = true;
onIncomingCallAnswered(context, savedNumber);
}
break;
case TelephonyManager.CALL_STATE_IDLE:
if (lastState == TelephonyManager.CALL_STATE_RINGING) {
onMissedCall(context, savedNumber);
} else if (isIncoming) {
stopRecording();
onIncomingCallEnded(context, savedNumber);
} else {
stopRecording();
onOutgoingCallEnded(context, savedNumber);
}
break;
}
lastState = state;
}
}
public class CallReceiver extends PhoneCallReceiver {
@Override
protected void onIncomingCallReceived(Context ctx, String number) {
}
@Override
protected void onIncomingCallAnswered(Context ctx, String number) {
}
@Override
protected void onIncomingCallEnded(Context ctx, String number) {
}
@Override
protected void onOutgoingCallStarted(Context ctx, String number) {
}
@Override
protected void onOutgoingCallEnded(Context ctx, String number) {
}
@Override
protected void onMissedCall(Context ctx, String number) {
}
}
}
我正在我的 Android 应用程序中实现通话录音选项，并且所有通话都在 Android 版本 10 以下重新编码，但从 Android 版本 10 到更高版本的通话被记录，当我尝试播放录制的通话时，它是静音的。我无法听到录制的声音。
我可以尝试什么来解决这个问题？
解决方案
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