nestedscrollview | 易学教程

NestedScrollView 初体验

阅读更多关于 NestedScrollView 初体验

出现的原因：一般情况下，scrollview的内部或者外部无法添加另一个scrollview “ It ( NestedScrollView ) can be used as both parent or child ScrollView . ”—— 网络博客的解释 “ NestedScrollView is just like ScrollView , but it supports acting as both a nested scrolling parent and child on both new and old versions of Android. Nested scrolling is enabled by default. ”—— 官方介绍示例代码： <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation=

NestedScrollView + AppBarLayout content goes behind

阅读更多关于 NestedScrollView + AppBarLayout content goes behind

问题 I have implement a similar design as https://github.com/chrisbanes/cheesesquare A collapsible toolbar with an image inside that collapse when scrolling down <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.support.design

CoordinatorLayout with NestedScrollView doesn't resize with adjustResize

阅读更多关于 CoordinatorLayout with NestedScrollView doesn't resize with adjustResize

问题 I have a view which contains a CoordinatorLayout which wraps an AppBarLayout and a NestedScrollView . Inside the NestedScrollView there is an EditText I'm having problems showing the soft input keyboard and having it correctly resize the view . With the usual flag android:windowSoftInputMode="adjustResize" everything seems to work fine, apart from when you hide the input. With the input open (image 2), the NestedScrollView (with the boring grey background) has shrunk so you can scroll to the

RecyclerView does not Recycling Views when use it inside NestedScrollView

阅读更多关于 RecyclerView does not Recycling Views when use it inside NestedScrollView

问题 I'm using RecyclerView inside NestedScrollView . Also i set setNestedScrollingEnabled to false for recyclerview to support lower API ViewCompat.setNestedScrollingEnabled(mRecyclerView, false); Now! When user scrolled the view every thing seems okay, but!!! views in recyclerview does not recycled!!! and Heap size grows swiftly!! Update : RecyclerView layout manager is StaggeredLayoutManager fragment_profile.xml : <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas

RecyclerView inside NestedScrollView onBindViewHolder calling for all getItemCount size

阅读更多关于 RecyclerView inside NestedScrollView onBindViewHolder calling for all getItemCount size

问题 When I put RecyclerView inside NestedScrollView then onBindViewHolder is calling for all row like say I have list which has size of 30 then onBindViewHolder is called for all 30 rows at one time even without scrolling RecyclerView list; LinearLayoutManager layoutManager = new LinearLayoutManager(getContext()); list.setLayoutManager(layoutManager); layoutManager.setAutoMeasureEnabled(true); list.setNestedScrollingEnabled(false); list.addItemDecoration(new VerticalSpaceItemDecoration(5)); list

NestedScrolling with NestedScrollView, RecyclerView (Horizontal), inside a CoordinatorLayout

阅读更多关于 NestedScrolling with NestedScrollView, RecyclerView (Horizontal), inside a CoordinatorLayout

问题 I have a UI design with CollapsingToolbarLayout, like following. <android.support.design.widget.AppBarLayout android:id="@+id/appbar" android:layout_width="match_parent" android:layout_height="@dimen/detail_backdrop_height" 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" android

How to disable scrolling of NestedScrollView&CollapsingToolbarLayout, for example when there is no more content below?

阅读更多关于 How to disable scrolling of NestedScrollView&CollapsingToolbarLayout, for example when there is no more content below?

问题 Background I try to add the same functionality as shown on many apps, where the upper area of the screen shrinks&expands according to the scrolled content. For this, I use Google's design library, as shown on the CheeseSquare sample. The problem Thing is, no matter how much content there is in the NestedScrollView , it lets me scroll way below the last view of the content, just to let me see the final state of the actionbar, having the minimal size of itself. In short, this is what I see when

NestedScrollView with ImageView and Recycler view

阅读更多关于 NestedScrollView with ImageView and Recycler view

问题 The Recycler view gets scrolled inside imageview and imageview stays stationary.My requirement is to scroll both the views when recyclerview is scrolled.The xml I have written is given below: <?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:fillViewport="true" xmlns:app="http://schemas.android.com/apk/res-auto" app:layout

Prevent NestedScrollView scrolls to top automatically

阅读更多关于 Prevent NestedScrollView scrolls to top automatically

问题 I have ListView inside NestedScrollView (do not want use RecycleListView) in my fragment. List adapter inits in onCreate and not recreated when app back to the fragment from other fragment. But my NestedScrollView then scrolls to the top (can I prevent this?). Without NestedScrollView my ListView stay at the same position. 回答1: You should retain the list status in onPause() method on the Fragment (save it to the Bundle) and then read and set it in onResume() . Just create some constant key,

Recyclerview with inside nested scrollview?

阅读更多关于 Recyclerview with inside nested scrollview?

问题 I am using multiple View-holder inside recycler which placed inside nested scroll view,There is a change in Natural behaviour of onBindViewHolder() Recycler view because of Nested Scroll, getItemViewType() all items are called inside onBindViewHolder() when initiate recycler adapter,For Example I have 20 Items means in normal scenario only three items called when initiate,but in case of nested scroll view all 20 views create on first load. Xml File <android.support.design.widget