2 * Copyright (C) 2014 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5 * in compliance with the License. You may obtain a copy of the License at
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software distributed under the License
10 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11 * or implied. See the License for the specific language governing permissions and limitations under
15 package android.telecom;
17 import android.annotation.SystemApi;
18 import android.content.ComponentName;
19 import android.content.Context;
20 import android.os.Bundle;
21 import android.os.RemoteException;
22 import android.os.ServiceManager;
23 import android.telephony.TelephonyManager;
24 import android.util.Log;
26 import com.android.internal.telecom.ITelecomService;
28 import java.util.ArrayList;
29 import java.util.Collections;
30 import java.util.List;
33 * Provides access to Telecom-related functionality.
34 * TODO: Move this all into PhoneManager.
36 public class TelecomManager {
39 * Activity action: Starts the UI for handing an incoming call. This intent starts the in-call
40 * UI by notifying the Telecom system that an incoming call exists for a specific call service
41 * (see {@link android.telecom.ConnectionService}). Telecom reads the Intent extras to find
42 * and bind to the appropriate {@link android.telecom.ConnectionService} which Telecom will
43 * ultimately use to control and get information about the call.
45 * Input: get*Extra field {@link #EXTRA_PHONE_ACCOUNT_HANDLE} contains the component name of the
46 * {@link android.telecom.ConnectionService} that Telecom should bind to. Telecom will then
47 * ask the connection service for more information about the call prior to showing any UI.
51 public static final String ACTION_INCOMING_CALL = "android.telecom.action.INCOMING_CALL";
54 * Similar to {@link #ACTION_INCOMING_CALL}, but is used only by Telephony to add a new
55 * sim-initiated MO call for carrier testing.
58 public static final String ACTION_NEW_UNKNOWN_CALL = "android.telecom.action.NEW_UNKNOWN_CALL";
61 * The {@link android.content.Intent} action used to configure a
62 * {@link android.telecom.ConnectionService}.
65 public static final String ACTION_CONNECTION_SERVICE_CONFIGURE =
66 "android.telecom.action.CONNECTION_SERVICE_CONFIGURE";
69 * The {@link android.content.Intent} action used to show the call settings page.
71 public static final String ACTION_SHOW_CALL_SETTINGS =
72 "android.telecom.action.SHOW_CALL_SETTINGS";
75 * The {@link android.content.Intent} action used to show the settings page used to configure
76 * {@link PhoneAccount} preferences.
79 public static final String ACTION_CHANGE_PHONE_ACCOUNTS =
80 "android.telecom.action.CHANGE_PHONE_ACCOUNTS";
83 * Optional extra for {@link android.content.Intent#ACTION_CALL} containing a boolean that
84 * determines whether the speakerphone should be automatically turned on for an outgoing call.
86 public static final String EXTRA_START_CALL_WITH_SPEAKERPHONE =
87 "android.telecom.extra.START_CALL_WITH_SPEAKERPHONE";
90 * Optional extra for {@link android.content.Intent#ACTION_CALL} containing an integer that
91 * determines the desired video state for an outgoing call.
93 * {@link VideoProfile.VideoState#AUDIO_ONLY},
94 * {@link VideoProfile.VideoState#BIDIRECTIONAL},
95 * {@link VideoProfile.VideoState#RX_ENABLED},
96 * {@link VideoProfile.VideoState#TX_ENABLED}.
99 public static final String EXTRA_START_CALL_WITH_VIDEO_STATE =
100 "android.telecom.extra.START_CALL_WITH_VIDEO_STATE";
103 * The extra used with an {@link android.content.Intent#ACTION_CALL} and
104 * {@link android.content.Intent#ACTION_DIAL} {@code Intent} to specify a
105 * {@link PhoneAccountHandle} to use when making the call.
107 * Retrieve with {@link android.content.Intent#getParcelableExtra(String)}.
110 public static final String EXTRA_PHONE_ACCOUNT_HANDLE =
111 "android.telecom.extra.PHONE_ACCOUNT_HANDLE";
114 * Optional extra for {@link #ACTION_INCOMING_CALL} containing a {@link Bundle} which contains
115 * metadata about the call. This {@link Bundle} will be returned to the
116 * {@link ConnectionService}.
120 public static final String EXTRA_INCOMING_CALL_EXTRAS =
121 "android.telecom.extra.INCOMING_CALL_EXTRAS";
124 * Optional extra for {@link android.content.Intent#ACTION_CALL} and
125 * {@link android.content.Intent#ACTION_DIAL} {@code Intent} containing a {@link Bundle}
126 * which contains metadata about the call. This {@link Bundle} will be saved into
127 * {@code Call.Details}.
131 public static final String EXTRA_OUTGOING_CALL_EXTRAS =
132 "android.telecom.extra.OUTGOING_CALL_EXTRAS";
137 public static final String EXTRA_UNKNOWN_CALL_HANDLE =
138 "android.telecom.extra.UNKNOWN_CALL_HANDLE";
141 * Optional extra for {@link android.telephony.TelephonyManager#ACTION_PHONE_STATE_CHANGED}
142 * containing the disconnect code.
144 public static final String EXTRA_CALL_DISCONNECT_CAUSE =
145 "android.telecom.extra.CALL_DISCONNECT_CAUSE";
148 * Optional extra for {@link android.telephony.TelephonyManager#ACTION_PHONE_STATE_CHANGED}
149 * containing the disconnect message.
151 public static final String EXTRA_CALL_DISCONNECT_MESSAGE =
152 "android.telecom.extra.CALL_DISCONNECT_MESSAGE";
155 * Optional extra for {@link android.telephony.TelephonyManager#ACTION_PHONE_STATE_CHANGED}
156 * containing the component name of the associated connection service.
159 public static final String EXTRA_CONNECTION_SERVICE =
160 "android.telecom.extra.CONNECTION_SERVICE";
163 * An optional {@link android.content.Intent#ACTION_CALL} intent extra denoting the
164 * package name of the app specifying an alternative gateway for the call.
165 * The value is a string.
167 * (The following comment corresponds to the all GATEWAY_* extras)
168 * An app which sends the {@link android.content.Intent#ACTION_CALL} intent can specify an
169 * alternative address to dial which is different from the one specified and displayed to
170 * the user. This alternative address is referred to as the gateway address.
172 public static final String GATEWAY_PROVIDER_PACKAGE =
173 "android.telecom.extra.GATEWAY_PROVIDER_PACKAGE";
176 * An optional {@link android.content.Intent#ACTION_CALL} intent extra corresponding to the
177 * original address to dial for the call. This is used when an alternative gateway address is
178 * provided to recall the original address.
179 * The value is a {@link android.net.Uri}.
181 * (See {@link #GATEWAY_PROVIDER_PACKAGE} for details)
183 public static final String GATEWAY_ORIGINAL_ADDRESS =
184 "android.telecom.extra.GATEWAY_ORIGINAL_ADDRESS";
187 * The number which the party on the other side of the line will see (and use to return the
190 * {@link ConnectionService}s which interact with {@link RemoteConnection}s should only populate
191 * this if the {@link android.telephony.TelephonyManager#getLine1Number()} value, as that is the
192 * user's expected caller ID.
195 public static final String EXTRA_CALL_BACK_NUMBER = "android.telecom.extra.CALL_BACK_NUMBER";
198 * The dual tone multi-frequency signaling character sent to indicate the dialing system should
199 * pause for a predefined period.
201 public static final char DTMF_CHARACTER_PAUSE = ',';
204 * The dual-tone multi-frequency signaling character sent to indicate the dialing system should
205 * wait for user confirmation before proceeding.
207 public static final char DTMF_CHARACTER_WAIT = ';';
210 * TTY (teletypewriter) mode is off.
214 public static final int TTY_MODE_OFF = 0;
217 * TTY (teletypewriter) mode is on. The speaker is off and the microphone is muted. The user
218 * will communicate with the remote party by sending and receiving text messages.
222 public static final int TTY_MODE_FULL = 1;
225 * TTY (teletypewriter) mode is in hearing carryover mode (HCO). The microphone is muted but the
226 * speaker is on. The user will communicate with the remote party by sending text messages and
227 * hearing an audible reply.
231 public static final int TTY_MODE_HCO = 2;
234 * TTY (teletypewriter) mode is in voice carryover mode (VCO). The speaker is off but the
235 * microphone is still on. User will communicate with the remote party by speaking and receiving
236 * text message replies.
240 public static final int TTY_MODE_VCO = 3;
243 * Broadcast intent action indicating that the current TTY mode has changed. An intent extra
244 * provides this state as an int.
246 * @see #EXTRA_CURRENT_TTY_MODE
249 public static final String ACTION_CURRENT_TTY_MODE_CHANGED =
250 "android.telecom.action.CURRENT_TTY_MODE_CHANGED";
253 * The lookup key for an int that indicates the current TTY mode.
255 * - {@link #TTY_MODE_OFF}
256 * - {@link #TTY_MODE_FULL}
257 * - {@link #TTY_MODE_HCO}
258 * - {@link #TTY_MODE_VCO}
262 public static final String EXTRA_CURRENT_TTY_MODE =
263 "android.telecom.intent.extra.CURRENT_TTY_MODE";
266 * Broadcast intent action indicating that the TTY preferred operating mode has changed. An
267 * intent extra provides the new mode as an int.
269 * @see #EXTRA_TTY_PREFERRED_MODE
272 public static final String ACTION_TTY_PREFERRED_MODE_CHANGED =
273 "android.telecom.action.TTY_PREFERRED_MODE_CHANGED";
276 * The lookup key for an int that indicates preferred TTY mode. Valid modes are: -
277 * {@link #TTY_MODE_OFF} - {@link #TTY_MODE_FULL} - {@link #TTY_MODE_HCO} -
278 * {@link #TTY_MODE_VCO}
282 public static final String EXTRA_TTY_PREFERRED_MODE =
283 "android.telecom.intent.extra.TTY_PREFERRED";
286 * The following 4 constants define how properties such as phone numbers and names are
287 * displayed to the user.
290 /** Property is displayed normally. */
291 public static final int PRESENTATION_ALLOWED = 1;
293 /** Property was blocked. */
294 public static final int PRESENTATION_RESTRICTED = 2;
296 /** Presentation was not specified or is unknown. */
297 public static final int PRESENTATION_UNKNOWN = 3;
299 /** Property should be displayed as a pay phone. */
300 public static final int PRESENTATION_PAYPHONE = 4;
302 private static final String TAG = "TelecomManager";
304 private final Context mContext;
309 public static TelecomManager from(Context context) {
310 return (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE);
316 public TelecomManager(Context context) {
317 Context appContext = context.getApplicationContext();
318 if (appContext != null) {
319 mContext = appContext;
326 * Return the {@link PhoneAccount} which is the user-chosen default for making outgoing phone
327 * calls with a specified URI scheme.
329 * Apps must be prepared for this method to return {@code null}, indicating that there currently
330 * exists no user-chosen default {@code PhoneAccount}.
332 * @param uriScheme The URI scheme.
333 * @return The {@link PhoneAccountHandle} corresponding to the user-chosen default for outgoing
334 * phone calls for a specified URI scheme.
338 public PhoneAccountHandle getDefaultOutgoingPhoneAccount(String uriScheme) {
340 if (isServiceConnected()) {
341 return getTelecomService().getDefaultOutgoingPhoneAccount(uriScheme);
343 } catch (RemoteException e) {
344 Log.e(TAG, "Error calling ITelecomService#getDefaultOutgoingPhoneAccount", e);
350 * Return the {@link PhoneAccount} which is the user-chosen default for making outgoing phone
351 * calls. This {@code PhoneAccount} will always be a member of the list which is returned from
352 * calling {@link #getCallCapablePhoneAccounts()}
354 * Apps must be prepared for this method to return {@code null}, indicating that there currently
355 * exists no user-chosen default {@code PhoneAccount}.
357 * @return The user outgoing phone account selected by the user.
360 public PhoneAccountHandle getUserSelectedOutgoingPhoneAccount() {
362 if (isServiceConnected()) {
363 return getTelecomService().getUserSelectedOutgoingPhoneAccount();
365 } catch (RemoteException e) {
366 Log.e(TAG, "Error calling ITelecomService#getUserSelectedOutgoingPhoneAccount", e);
372 * Sets the default account for making outgoing phone calls.
375 public void setUserSelectedOutgoingPhoneAccount(PhoneAccountHandle accountHandle) {
377 if (isServiceConnected()) {
378 getTelecomService().setUserSelectedOutgoingPhoneAccount(accountHandle);
380 } catch (RemoteException e) {
381 Log.e(TAG, "Error calling ITelecomService#setUserSelectedOutgoingPhoneAccount");
386 * Returns the current SIM call manager. Apps must be prepared for this method to return
387 * {@code null}, indicating that there currently exists no user-chosen default
388 * {@code PhoneAccount}.
389 * @return The phone account handle of the current sim call manager.
392 public PhoneAccountHandle getSimCallManager() {
394 if (isServiceConnected()) {
395 return getTelecomService().getSimCallManager();
397 } catch (RemoteException e) {
398 Log.e(TAG, "Error calling ITelecomService#getSimCallManager");
404 * Sets the SIM call manager to the specified phone account.
405 * @param accountHandle The phone account handle of the account to set as the sim call manager.
408 public void setSimCallManager(PhoneAccountHandle accountHandle) {
410 if (isServiceConnected()) {
411 getTelecomService().setSimCallManager(accountHandle);
413 } catch (RemoteException e) {
414 Log.e(TAG, "Error calling ITelecomService#setSimCallManager");
419 * Returns the list of registered SIM call managers.
420 * @return List of registered SIM call managers.
423 public List<PhoneAccountHandle> getSimCallManagers() {
425 if (isServiceConnected()) {
426 return getTelecomService().getSimCallManagers();
428 } catch (RemoteException e) {
429 Log.e(TAG, "Error calling ITelecomService#getSimCallManagers");
431 return new ArrayList<>();
435 * Returns the current connection manager. Apps must be prepared for this method to return
436 * {@code null}, indicating that there currently exists no user-chosen default
437 * {@code PhoneAccount}.
439 * @return The phone account handle of the current connection manager.
442 public PhoneAccountHandle getConnectionManager() {
443 return getSimCallManager();
447 * Returns a list of the {@link PhoneAccountHandle}s which can be used to make and receive phone
448 * calls which support the specified URI scheme.
450 * For example, invoking with {@code "tel"} will find all {@link PhoneAccountHandle}s which
451 * support telephone calls (e.g. URIs such as {@code tel:555-555-1212}). Invoking with
452 * {@code "sip"} will find all {@link PhoneAccountHandle}s which support SIP calls (e.g. URIs
453 * such as {@code sip:example@sipexample.com}).
455 * @param uriScheme The URI scheme.
456 * @return A list of {@code PhoneAccountHandle} objects supporting the URI scheme.
460 public List<PhoneAccountHandle> getPhoneAccountsSupportingScheme(String uriScheme) {
462 if (isServiceConnected()) {
463 return getTelecomService().getPhoneAccountsSupportingScheme(uriScheme);
465 } catch (RemoteException e) {
466 Log.e(TAG, "Error calling ITelecomService#getPhoneAccountsSupportingScheme", e);
468 return new ArrayList<>();
473 * Return a list of {@link PhoneAccountHandle}s which can be used to make and receive phone
476 * @see #EXTRA_PHONE_ACCOUNT_HANDLE
477 * @return A list of {@code PhoneAccountHandle} objects.
481 public List<PhoneAccountHandle> getCallCapablePhoneAccounts() {
483 if (isServiceConnected()) {
484 return getTelecomService().getCallCapablePhoneAccounts();
486 } catch (RemoteException e) {
487 Log.e(TAG, "Error calling ITelecomService#getCallCapablePhoneAccounts", e);
489 return new ArrayList<>();
493 * Determine whether the device has more than one account registered that can make and receive
496 * @return {@code true} if the device has more than one account registered and {@code false}
500 public boolean hasMultipleCallCapableAccounts() {
501 return getCallCapablePhoneAccounts().size() > 1;
505 * Returns a list of all {@link PhoneAccount}s registered for the calling package.
507 * @return A list of {@code PhoneAccountHandle} objects.
510 public List<PhoneAccountHandle> getPhoneAccountsForPackage() {
512 if (isServiceConnected()) {
513 return getTelecomService().getPhoneAccountsForPackage(mContext.getPackageName());
515 } catch (RemoteException e) {
516 Log.e(TAG, "Error calling ITelecomService#getPhoneAccountsForPackage", e);
522 * Return the {@link PhoneAccount} for a specified {@link PhoneAccountHandle}. Object includes
523 * resources which can be used in a user interface.
525 * @param account The {@link PhoneAccountHandle}.
526 * @return The {@link PhoneAccount} object.
529 public PhoneAccount getPhoneAccount(PhoneAccountHandle account) {
531 if (isServiceConnected()) {
532 return getTelecomService().getPhoneAccount(account);
534 } catch (RemoteException e) {
535 Log.e(TAG, "Error calling ITelecomService#getPhoneAccount", e);
541 * Returns a count of all {@link PhoneAccount}s.
543 * @return The count of {@link PhoneAccount}s.
547 public int getAllPhoneAccountsCount() {
549 if (isServiceConnected()) {
550 return getTelecomService().getAllPhoneAccountsCount();
552 } catch (RemoteException e) {
553 Log.e(TAG, "Error calling ITelecomService#getAllPhoneAccountsCount", e);
559 * Returns a list of all {@link PhoneAccount}s.
561 * @return All {@link PhoneAccount}s.
565 public List<PhoneAccount> getAllPhoneAccounts() {
567 if (isServiceConnected()) {
568 return getTelecomService().getAllPhoneAccounts();
570 } catch (RemoteException e) {
571 Log.e(TAG, "Error calling ITelecomService#getAllPhoneAccounts", e);
573 return Collections.EMPTY_LIST;
577 * Returns a list of all {@link PhoneAccountHandle}s.
579 * @return All {@link PhoneAccountHandle}s.
583 public List<PhoneAccountHandle> getAllPhoneAccountHandles() {
585 if (isServiceConnected()) {
586 return getTelecomService().getAllPhoneAccountHandles();
588 } catch (RemoteException e) {
589 Log.e(TAG, "Error calling ITelecomService#getAllPhoneAccountHandles", e);
591 return Collections.EMPTY_LIST;
595 * Register a {@link PhoneAccount} for use by the system.
597 * @param account The complete {@link PhoneAccount}.
601 public void registerPhoneAccount(PhoneAccount account) {
603 if (isServiceConnected()) {
604 getTelecomService().registerPhoneAccount(account);
606 } catch (RemoteException e) {
607 Log.e(TAG, "Error calling ITelecomService#registerPhoneAccount", e);
612 * Remove a {@link PhoneAccount} registration from the system.
614 * @param accountHandle A {@link PhoneAccountHandle} for the {@link PhoneAccount} to unregister.
618 public void unregisterPhoneAccount(PhoneAccountHandle accountHandle) {
620 if (isServiceConnected()) {
621 getTelecomService().unregisterPhoneAccount(accountHandle);
623 } catch (RemoteException e) {
624 Log.e(TAG, "Error calling ITelecomService#unregisterPhoneAccount", e);
629 * Remove all Accounts that belong to the calling package from the system.
633 public void clearAccounts() {
635 if (isServiceConnected()) {
636 getTelecomService().clearAccounts(mContext.getPackageName());
638 } catch (RemoteException e) {
639 Log.e(TAG, "Error calling ITelecomService#clearAccounts", e);
647 public ComponentName getDefaultPhoneApp() {
649 if (isServiceConnected()) {
650 return getTelecomService().getDefaultPhoneApp();
652 } catch (RemoteException e) {
653 Log.e(TAG, "RemoteException attempting to get the default phone app.", e);
659 * Returns whether there is an ongoing phone call (can be in dialing, ringing, active or holding
662 * Requires permission: {@link android.Manifest.permission#READ_PHONE_STATE}
666 public boolean isInCall() {
668 if (isServiceConnected()) {
669 return getTelecomService().isInCall();
671 } catch (RemoteException e) {
672 Log.e(TAG, "RemoteException calling isInCall().", e);
678 * Returns one of the following constants that represents the current state of Telecom:
680 * {@link TelephonyManager#CALL_STATE_RINGING}
681 * {@link TelephonyManager#CALL_STATE_OFFHOOK}
682 * {@link TelephonyManager#CALL_STATE_IDLE}
686 public int getCallState() {
688 if (isServiceConnected()) {
689 return getTelecomService().getCallState();
691 } catch (RemoteException e) {
692 Log.d(TAG, "RemoteException calling getCallState().", e);
694 return TelephonyManager.CALL_STATE_IDLE;
698 * Returns whether there currently exists is a ringing incoming-call.
703 public boolean isRinging() {
705 if (isServiceConnected()) {
706 return getTelecomService().isRinging();
708 } catch (RemoteException e) {
709 Log.e(TAG, "RemoteException attempting to get ringing state of phone app.", e);
715 * Ends an ongoing call.
716 * TODO: L-release - need to convert all invocations of ITelecomService#endCall to use this
717 * method (clockwork & gearhead).
721 public boolean endCall() {
723 if (isServiceConnected()) {
724 return getTelecomService().endCall();
726 } catch (RemoteException e) {
727 Log.e(TAG, "Error calling ITelecomService#endCall", e);
733 * If there is a ringing incoming call, this method accepts the call on behalf of the user.
734 * TODO: L-release - need to convert all invocation of ITelecmmService#answerRingingCall to use
735 * this method (clockwork & gearhead).
740 public void acceptRingingCall() {
742 if (isServiceConnected()) {
743 getTelecomService().acceptRingingCall();
745 } catch (RemoteException e) {
746 Log.e(TAG, "Error calling ITelecomService#acceptRingingCall", e);
751 * Silences the ringer if a ringing call exists.
756 public void silenceRinger() {
758 if (isServiceConnected()) {
759 getTelecomService().silenceRinger();
761 } catch (RemoteException e) {
762 Log.e(TAG, "Error calling ITelecomService#silenceRinger", e);
767 * Returns whether TTY is supported on this device.
772 public boolean isTtySupported() {
774 if (isServiceConnected()) {
775 return getTelecomService().isTtySupported();
777 } catch (RemoteException e) {
778 Log.e(TAG, "RemoteException attempting to get TTY supported state.", e);
784 * Returns the current TTY mode of the device. For TTY to be on the user must enable it in
785 * settings and have a wired headset plugged in.
787 * - {@link TelecomManager#TTY_MODE_OFF}
788 * - {@link TelecomManager#TTY_MODE_FULL}
789 * - {@link TelecomManager#TTY_MODE_HCO}
790 * - {@link TelecomManager#TTY_MODE_VCO}
793 public int getCurrentTtyMode() {
795 if (isServiceConnected()) {
796 return getTelecomService().getCurrentTtyMode();
798 } catch (RemoteException e) {
799 Log.e(TAG, "RemoteException attempting to get the current TTY mode.", e);
805 * Registers a new incoming call. A {@link ConnectionService} should invoke this method when it
806 * has an incoming call. The specified {@link PhoneAccountHandle} must have been registered
807 * with {@link #registerPhoneAccount}. Once invoked, this method will cause the system to bind
808 * to the {@link ConnectionService} associated with the {@link PhoneAccountHandle} and request
809 * additional information about the call (See
810 * {@link ConnectionService#onCreateIncomingConnection}) before starting the incoming call UI.
812 * @param phoneAccount A {@link PhoneAccountHandle} registered with
813 * {@link #registerPhoneAccount}.
814 * @param extras A bundle that will be passed through to
815 * {@link ConnectionService#onCreateIncomingConnection}.
819 public void addNewIncomingCall(PhoneAccountHandle phoneAccount, Bundle extras) {
821 if (isServiceConnected()) {
822 getTelecomService().addNewIncomingCall(
823 phoneAccount, extras == null ? new Bundle() : extras);
825 } catch (RemoteException e) {
826 Log.e(TAG, "RemoteException adding a new incoming call: " + phoneAccount, e);
831 * Registers a new unknown call with Telecom. This can only be called by the system Telephony
832 * service. This is invoked when Telephony detects a new unknown connection that was neither
833 * a new incoming call, nor an user-initiated outgoing call.
835 * @param phoneAccount A {@link PhoneAccountHandle} registered with
836 * {@link #registerPhoneAccount}.
837 * @param extras A bundle that will be passed through to
838 * {@link ConnectionService#onCreateIncomingConnection}.
842 public void addNewUnknownCall(PhoneAccountHandle phoneAccount, Bundle extras) {
844 if (isServiceConnected()) {
845 getTelecomService().addNewUnknownCall(
846 phoneAccount, extras == null ? new Bundle() : extras);
848 } catch (RemoteException e) {
849 Log.e(TAG, "RemoteException adding a new unknown call: " + phoneAccount, e);
854 * Processes the specified dial string as an MMI code.
855 * MMI codes are any sequence of characters entered into the dialpad that contain a "*" or "#".
856 * Some of these sequences launch special behavior through handled by Telephony.
858 * Requires that the method-caller be set as the system dialer app.
861 * @param dialString The digits to dial.
862 * @return True if the digits were processed as an MMI code, false otherwise.
864 public boolean handleMmi(String dialString) {
865 ITelecomService service = getTelecomService();
866 if (service != null) {
868 return service.handlePinMmi(dialString);
869 } catch (RemoteException e) {
870 Log.e(TAG, "Error calling ITelecomService#handlePinMmi", e);
877 * Removes the missed-call notification if one is present.
879 * Requires that the method-caller be set as the system dialer app.
882 public void cancelMissedCallsNotification() {
883 ITelecomService service = getTelecomService();
884 if (service != null) {
886 service.cancelMissedCallsNotification();
887 } catch (RemoteException e) {
888 Log.e(TAG, "Error calling ITelecomService#cancelMissedCallsNotification", e);
894 * Brings the in-call screen to the foreground if there is an ongoing call. If there is
895 * currently no ongoing call, then this method does nothing.
897 * Requires that the method-caller be set as the system dialer app or have the
898 * {@link android.Manifest.permission#READ_PHONE_STATE} permission.
901 * @param showDialpad Brings up the in-call dialpad as part of showing the in-call screen.
903 public void showInCallScreen(boolean showDialpad) {
904 ITelecomService service = getTelecomService();
905 if (service != null) {
907 service.showInCallScreen(showDialpad);
908 } catch (RemoteException e) {
909 Log.e(TAG, "Error calling ITelecomService#showCallScreen", e);
914 private ITelecomService getTelecomService() {
915 return ITelecomService.Stub.asInterface(ServiceManager.getService(Context.TELECOM_SERVICE));
918 private boolean isServiceConnected() {
919 boolean isConnected = getTelecomService() != null;
921 Log.w(TAG, "Telecom Service not found.");