Tag: fastscroll

RecyclerView中带有折叠工具栏的Android字母快速滚动视图

在我的应用程序中，我有这样的activity_main.xml： <Coordinator Layout> <AppBarLayout> <CollapsingToolbarLayout> <ImageView/> <Toolbar/> </CollapsingToolbarLayout> </AppBarLayout> <RecyclerView/> </Coordinating Layout> Layout.xml —– >>> <?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:ads="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@drawable/theme_background" android:id="@+id/drawerlayout" > <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:fitsSystemWindows="true" android:id="@+id/activity_main_id" tools:context="objectdistance.ajai.ram.sita.gallery.MainActivity"> <android.support.design.widget.AppBarLayout android:id="@+id/app_bar_layout" android:layout_width="match_parent" android:layout_height="wrap_content" android:fitsSystemWindows="true" android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"> <android.support.design.widget.CollapsingToolbarLayout android:id="@+id/collapsing_toolbar" android:layout_width="match_parent" android:layout_height="match_parent" app:layout_scrollFlags="scroll|exitUntilCollapsed" app:contentScrim="?attr/colorPrimary" app:expandedTitleMarginStart="48dp" app:expandedTitleMarginEnd="64dp" android:fitsSystemWindows="true"> <ImageView android:id="@+id/imagetoolbar" android:layout_width="match_parent" android:layout_height="200dp" […]