1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.incallui.answer.impl.answermethod; 18 19 import android.support.annotation.FloatRange; 20 21 /** Defines callbacks {@link AnswerMethod AnswerMethods} may use to update their parent. */ 22 public interface AnswerMethodHolder { 23 24 /** 25 * Update animation based on method progress. 26 * 27 * @param answerProgress float representing progress. -1 is fully declined, 1 is fully answered, 28 * and 0 is neutral. 29 */ 30 void onAnswerProgressUpdate(@FloatRange(from = -1f, to = 1f) float answerProgress); 31 32 /** Answer the current call. */ 33 void answerFromMethod(); 34 35 /** Reject the current call. */ 36 void rejectFromMethod(); 37 38 /** Set AnswerProgress to zero (not due to normal updates). */ 39 void resetAnswerProgress(); 40 41 /** 42 * Check whether the current call is a video call. 43 * 44 * @return true iff the current call is a video call. 45 */ 46 boolean isVideoCall(); 47 48 boolean isVideoUpgradeRequest(); 49 50 boolean isRttCall(); 51 } 52
