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Пример Android-приложения для аудиозвонков

Поля ввода, необходимые для установления SIP-соединения

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В поле 'Callee' вводится SIP имя пользователя вызываемого.
При нажатии на кнопку Connect/Disconnect устанавливается/закрывается SIP-соединение.
При нажатии на кнопку Call/Hangup делается/завершается звонок.
Кнопка Hold/Unhold используется для удержания/снятия с удержания звонка.

Работа с кодом примера

Для разбора кода возьмем класс PhoneMinActivity.java примера phone-min, который доступен для скачивания в соответствующей сборке 1.0.1.38.

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Flashphoner.init() код

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Flashphoner.init(this);

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Методу передается объект SessionOptions с URL WCS-сервера.

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SessionOptions sessionOptions = new SessionOptions(mWcsUrlView.getText().toString());
session = Flashphoner.createSession(sessionOptions);

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Методу передается объект Connection с параметрами SIP-соединения

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Connection connection = new Connection();
connection.setSipLogin(mSipLoginView.getText().toString());
connection.setSipPassword(mSipPasswordView.getText().toString());
connection.setSipDomain(mSipDomainView.getText().toString());
connection.setSipOutboundProxy(mSipDomainView.getText().toString());
connection.setSipPort(Integer.parseInt(mSipPortView.getText().toString()));
connection.setSipRegisterRequired(mSipRegisterRequiredView.isChecked());
session.connect(connection);

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Session.onConnected() код

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@Override
public void onConnected(final Connection connection) {
    runOnUiThread(new Runnable() {
        @Override
        public void run() {
            mConnectButton.setText(R.string.action_disconnect);
            mConnectButton.setTag(R.string.action_disconnect);
            mConnectButton.setEnabled(true);
            if (!mSipRegisterRequiredView.isChecked()) {
                mConnectStatus.setText(connection.getStatus());
                mCallButton.setEnabled(true);
            } else {
                mConnectStatus.setText(connection.getStatus() + ". Registering...");
            }
        }
    });
}

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Button.setOnClickListener() код

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mCallButton.setOnClickListener(new OnClickListener() {
    @Override
    public void onClick(View view) {
        if (mCallButton.getTag() == null || Integer.valueOf(R.string.action_call).equals(mCallButton.getTag())) {
            if ("".equals(mCalleeView.getText().toString())) {
                return;
            }
            ActivityCompat.requestPermissions(PhoneMinActivity.this,
                  new String[]{Manifest.permission.RECORD_AUDIO},
                  CALL_REQUEST_CODE);

            SharedPreferences sharedPref = PhoneMinActivity.this.getPreferences(Context.MODE_PRIVATE);
        } else {
  SharedPreferences.Editor editor = sharedPref.edit(          mCallButton.setEnabled(false);
            editorcall.putString("callee", mCalleeView.getText().toString());
hangup();
            call = editor.apply()null;
        } else {
        View currentFocus =  mCallButton.setEnabledgetCurrentFocus(false);
        if (currentFocus !=  call.hangup();
null) {
            InputMethodManager callinputManager = null;
   (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
     }
        View currentFocus = getCurrentFocus(inputManager.hideSoftInputFromWindow(currentFocus.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
        if}
 (currentFocus != null) {
            InputMethodManager inputManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
            inputManager.hideSoftInputFromWindow(currentFocus.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
        }
    }
});

6. Исходящий звонок.

Session.createCall(), Call.call() код

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}
});


6. Исходящий звонок.

Session.createCall(), Call.call() код

При создании в метод session.createCall() передается объект CallOptions с параметрами:

  • SIP логин вызываемого аккаунта
  • настройки аудио
  • дополнительные параметры сообщения SIP INVITE
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case CALL_REQUEST_CODE: {
    if (grantResults.length == 0 ||
          grantResults[0] != PackageManager.PERMISSION_GRANTED) {
        Log.i(TAG, "Permission has been denied by user");
    } else {
        mCallButton.setEnabled(false);
        /**
          * Get call options from the callee text field
          */
        CallOptions callOptions = new CallOptions(mCalleeView.getText().toString());
        AudioConstraints audioConstraints = callOptions.getConstraints().getAudioConstraints();
        MediaConstraints mediaConstraints = audioConstraints.getMediaConstraints();

        mediaConstraints.optional.add(: {
    if (grantResults.length == 0 ||
   new MediaConstraints.KeyValuePair("googEchoCancellation", Boolean.toString(googEchoCancellation.isChecked())));
     grantResults[0] !=  mediaConstraints.optional.add(
 PackageManager.PERMISSION_GRANTED) {
          new MediaConstraints.KeyValuePair("googAutoGainControl", Boolean.toString(googAutoGainControl.isChecked())));
        mediaConstraints.optional.add(
     Log.i(TAG, "Permission has been denied by user");
    } else {
      new MediaConstraints.KeyValuePair("googNoiseSupression", Boolean.toString(googNoiseSupression.isChecked())) mCallButton.setEnabled(false);
        mediaConstraints.optional.add(/**
           new MediaConstraints.KeyValuePair("googHighpassFilter", Boolean.toString(googHighpassFilter.isChecked())));
* Get call options from the callee text field
          mediaConstraints.optional.add(*/
        CallOptions callOptions = new MediaConstraintsCallOptions(mCalleeView.KeyValuePair("googEchoCancellation2", BooleangetText().toString(googEchoCancellation2.isChecked())));
        mediaConstraints.optional.add(
           new MediaConstraints.KeyValuePair("googAutoGainControl2", Boolean.toString(googAutoGainControl2.isChecked())));
AudioConstraints audioConstraints = callOptions.getConstraints().getAudioConstraints();
        MediaConstraints mediaConstraints.optional.add(
  = audioConstraints.getMediaConstraints();
          new MediaConstraints.KeyValuePair("googNoiseSuppression2", Boolean.toString(googNoiseSuppression2.isChecked())));

        try {
            Map<String, String> inviteParameters = new Gson().fromJson(mInviteParametersView.getText().toString(),
               new TypeToken<Map<String, String>>() {
               }.getType());
            callOptions.setInviteParameters(inviteParameters);
        } catch (Throwable t) {
            Log.e(TAG, "Invite Parameters have wrong format of json object");
        }
        call = session.createCall(callOptions);
        call.on(callStatusEvent);
        /**
          * Make the outgoing call
          */
        call.call();
        Log.i(TAG, "Permission has been granted by user");
        break;
    }
}

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Session.onCall() код

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@Override
public void onCall(final Call call) {
    call.on(callStatusEvent);
    /**
      * Display UI alert for the new incoming call
      */
    runOnUiThread(new Runnable() {
        @Override
        public void run() {
            AlertDialog.Builder builder = new AlertDialog.Builder(PhoneMinActivity.this);

            builder.setTitle("Incoming call");

            builder.setMessage("Incoming call from '" + call.getCaller() + "'");
            builder.setPositiveButton("Answer", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    PhoneMinActivity.this.call = call;
                    ActivityCompat.requestPermissions(PhoneMinActivity.this,
                          new String[]{Manifest.permission.RECORD_AUDIO},
                          INCOMING_CALL_REQUEST_CODE);
                }
            });
            builder.setNegativeButton("Hangup", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    call.hangup();
                    incomingCallAlert = null;
                }
            });
            incomingCallAlert = builder.show();
        }
    });
}

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Call.answer() код

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case INCOMING_CALL_REQUEST_CODE: {
    if (grantResults.length == 0 ||
           grantResults[0] != PackageManager.PERMISSION_GRANTED) {
        call.hangup();
        incomingCallAlert = null;
        Log.i(TAG, "Permission has been denied by user");
    } else {
        mCallButton.setText(R.string.action_hangup);
        mCallButton.setTag(R.string.action_hangup);
        mCallButton.setEnabled(true);
        mCallStatus.setText(call.getStatus());
        call.answer();
        incomingCallAlert = null;
        Log.i(TAG, "Permission has been granted by user");
    }
}

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Call.hold(), Call.unhold() код

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mHoldButton.setOnClickListener(new OnClickListener() {
    @Override
    public void onClick(View view) {
        if (mHoldButton.getTag() == null || Integer.valueOf(R.string.action_hold).equals(mHoldButton.getTag())) {
            call.hold();
            mHoldButton.setText(R.string.action_unhold);
            mHoldButton.setTag(R.string.action_unhold);
        } else {
            call.unhold();
            mHoldButton.setText(R.string.action_hold);
            mHoldButton.setTag(R.string.action_hold);
        }

    }
});

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Call.sendDTMF() код

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mDTMF = (EditText) findViewById(R.id.dtmf);
mDTMFButton = (Button) findViewById(R.id.dtmf_button);
mDTMFButton.setOnClickListener(new OnClickListener() {
@Override
    public void onClick(View view) {
        if (call != null) {
            call.sendDTMF(mDTMF.getText().toString(), Call.DTMFType.RFC2833);
        }
    }
});

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Call.hangup() код

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mCallButton.setEnabled(false);
call.hangup();
call = null;

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Call.hangup() код

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builder.setNegativeButton("Hangup", new DialogInterface.OnClickListener() {
    @Override
    public void onClick(DialogInterface dialogInterface, int i) {
        call.hangup();
        incomingCallAlert = null;
    }
});

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Session.disconnect() код

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mConnectButton.setEnabled(false);
session.disconnect();