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.content.Context; 20 import android.graphics.drawable.Drawable; 21 import android.support.annotation.Nullable; 22 import android.support.v4.app.Fragment; 23 import com.android.dialer.common.FragmentUtils; 24 25 /** A fragment that can be used to answer/reject calls. */ 26 public abstract class AnswerMethod extends Fragment { 27 28 public abstract void setHintText(@Nullable CharSequence hintText); 29 30 public abstract void setShowIncomingWillDisconnect(boolean incomingWillDisconnect); 31 32 public void setContactPhoto(@Nullable Drawable contactPhoto) { 33 // default implementation does nothing. Only some AnswerMethods show a photo 34 } 35 36 protected AnswerMethodHolder getParent() { 37 return FragmentUtils.getParentUnsafe(this, AnswerMethodHolder.class); 38 } 39 40 @Override 41 public void onAttach(Context context) { 42 super.onAttach(context); 43 FragmentUtils.checkParent(this, AnswerMethodHolder.class); 44 } 45 } 46
