1 /* <lambda>null2 * Copyright (C) 2019 The Android Open Source Project 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 package com.example.android.bubbles 17 18 import android.widget.ImageView 19 import android.widget.TextView 20 import androidx.annotation.DrawableRes 21 import androidx.fragment.app.Fragment 22 23 /** 24 * Common interface between [MainActivity] and [BubbleActivity]. 25 */ 26 interface NavigationController { 27 28 fun openChat(id: Long) 29 30 fun openPhoto(@DrawableRes photo: Int) 31 32 /** 33 * Updates the appearance and functionality of the app bar. 34 * 35 * @param showContact Whether to show contact information instead the screen title. 36 * @param hidden Whether to hide the app bar. 37 * @param body Provide this function to update the content of the app bar. 38 */ 39 fun updateAppBar( 40 showContact: Boolean = true, 41 hidden: Boolean = false, 42 body: (name: TextView, icon: ImageView) -> Unit = { _, _ -> } 43 ) 44 } 45 Fragmentnull46fun Fragment.getNavigationController() = requireActivity() as NavigationController 47