1<?xml version="1.0" encoding="utf-8"?> 2<!-- 3 ~ Copyright (C) 2015 The Android Open Source Project 4 ~ 5 ~ Licensed under the Apache License, Version 2.0 (the "License"); 6 ~ you may not use this file except in compliance with the License. 7 ~ You may obtain a copy of the License at 8 ~ 9 ~ http://www.apache.org/licenses/LICENSE-2.0 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 limitations under the 14 ~ License. 15 ~ 16 --> 17 18<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" 19 xmlns:app="http://schemas.android.com/apk/res-auto" 20 android:id="@+id/main_content" 21 android:layout_width="match_parent" 22 android:layout_height="fill_parent" 23 android:fitsSystemWindows="true"> 24 25 <com.google.android.material.appbar.AppBarLayout 26 android:id="@+id/appbar" 27 android:layout_width="match_parent" 28 android:layout_height="@dimen/detail_backdrop_height" 29 android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar" 30 android:fitsSystemWindows="true"> 31 32 <com.google.android.material.appbar.CollapsingToolbarLayout 33 android:id="@+id/collapsing_toolbar" 34 android:layout_width="match_parent" 35 android:layout_height="match_parent" 36 app:layout_scrollFlags="scroll" 37 android:fitsSystemWindows="true" 38 app:contentScrim="?attr/colorPrimary" 39 app:expandedTitleMarginStart="48dp" 40 app:expandedTitleMarginEnd="64dp"> 41 42 <androidx.appcompat.widget.Toolbar 43 android:id="@+id/toolbar" 44 android:layout_width="match_parent" 45 android:layout_height="?attr/actionBarSize" 46 app:popupTheme="@style/ThemeOverlay.AppCompat.Light" 47 app:layout_collapseMode="parallax" /> 48 49 <ImageView 50 android:id="@+id/backdrop" 51 android:layout_width="match_parent" 52 android:layout_height="match_parent" 53 android:src="@mipmap/ic_launcher" 54 android:scaleType="centerCrop" 55 android:fitsSystemWindows="true" 56 app:layout_collapseMode="parallax" /> 57 58 </com.google.android.material.appbar.CollapsingToolbarLayout> 59 60 </com.google.android.material.appbar.AppBarLayout> 61 62 <androidx.core.widget.NestedScrollView 63 android:layout_width="match_parent" 64 android:layout_height="match_parent" 65 app:layout_behavior="@string/appbar_scrolling_view_behavior"> 66 67 <LinearLayout 68 android:layout_width="match_parent" 69 android:layout_height="match_parent" 70 android:orientation="vertical" > 71 72 <ExpandableListView 73 android:id="@+id/test_list" 74 android:layout_width="match_parent" 75 android:layout_height="match_parent" /> 76 77 </LinearLayout> 78 79 </androidx.core.widget.NestedScrollView> 80 81 <com.google.android.material.floatingactionbutton.FloatingActionButton 82 android:id="@+id/start_button" 83 android:layout_height="wrap_content" 84 android:layout_width="wrap_content" 85 android:src="@drawable/ic_play" 86 app:layout_anchor="@id/appbar" 87 app:layout_anchorGravity="bottom|right|end" 88 android:layout_margin="@dimen/fab_margin" 89 android:clickable="true"/> 90 91</androidx.coordinatorlayout.widget.CoordinatorLayout> 92