| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.telephony.mbms; |
| |
| import android.annotation.IntDef; |
| import android.annotation.IntRange; |
| import android.annotation.Nullable; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| |
| /** |
| * A callback class for use when the application is in a group call. The middleware |
| * will provide updates on the status of the call via this callback. |
| */ |
| public interface GroupCallCallback { |
| /** @hide */ |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef(value = { |
| MbmsErrors.ERROR_NO_UNIQUE_MIDDLEWARE, |
| MbmsErrors.ERROR_MIDDLEWARE_LOST, |
| MbmsErrors.ERROR_MIDDLEWARE_NOT_BOUND, |
| MbmsErrors.GeneralErrors.ERROR_MIDDLEWARE_NOT_YET_READY, |
| MbmsErrors.GeneralErrors.ERROR_OUT_OF_MEMORY, |
| MbmsErrors.GeneralErrors.ERROR_MIDDLEWARE_TEMPORARILY_UNAVAILABLE, |
| MbmsErrors.GeneralErrors.ERROR_IN_E911, |
| MbmsErrors.GeneralErrors.ERROR_NOT_CONNECTED_TO_HOME_CARRIER_LTE, |
| MbmsErrors.GeneralErrors.ERROR_UNABLE_TO_READ_SIM, |
| MbmsErrors.GeneralErrors.ERROR_CARRIER_CHANGE_NOT_ALLOWED}, prefix = { "ERROR_" }) |
| @interface GroupCallError{} |
| |
| /** |
| * Indicates broadcast signal strength is not available for this call. |
| * |
| * This may be due to the call no longer being available due to geography |
| * or timing (end of service) |
| */ |
| int SIGNAL_STRENGTH_UNAVAILABLE = -1; |
| |
| /** |
| * Called by the middleware when it has detected an error condition in this group call. The |
| * possible error codes are listed in {@link MbmsErrors}. |
| * @param errorCode The error code. |
| * @param message A human-readable message generated by the middleware for debugging purposes. |
| */ |
| default void onError(@GroupCallError int errorCode, @Nullable String message) {} |
| |
| /** |
| * Called to indicate this call has changed state. |
| * |
| * See {@link GroupCall#STATE_STOPPED}, {@link GroupCall#STATE_STARTED} |
| * and {@link GroupCall#STATE_STALLED}. |
| */ |
| default void onGroupCallStateChanged(@GroupCall.GroupCallState int state, |
| @GroupCall.GroupCallStateChangeReason int reason) {} |
| |
| /** |
| * Broadcast Signal Strength updated. |
| * |
| * This signal strength is the BROADCAST signal strength which, |
| * depending on technology in play and it's deployment, may be |
| * stronger or weaker than the traditional UNICAST signal |
| * strength. It a simple int from 0-4 for valid levels or |
| * {@link #SIGNAL_STRENGTH_UNAVAILABLE} if broadcast is not available |
| * for this call due to timing, geography or popularity. |
| */ |
| default void onBroadcastSignalStrengthUpdated( |
| @IntRange(from = -1, to = 4) int signalStrength) {} |
| } |