android-recyclerview

问题 I am trying to remove all the elements from my RecyclerView in my onRestart method so the items don't get loaded twice: @Override protected void onRestart() { super.onRestart(); // first clear the recycler view so items are not populated twice for (int i = 0; i < recyclerAdapter.getSize(); i++) { recyclerAdapter.delete(i); } // then reload the data PostCall doPostCall = new PostCall(); // my AsyncTask... doPostCall.execute(); } But for some reason the delete method I created in the adapter is

问题 Trying to use the new RecyclerView from the support library. I downloaded the 20 update for the support library using the SDK manager. I've added the jar file to the libs folder - and added to build path - no luck using the RecyclerView. Tried to use also the gradle dependency according to Android Developer's API - not sure if this is the right place to look - this page is related more to AndroidTV : com.android.support:recyclerview-v7:20.0.+ Cannot gradle sync the project. Any ideas? 回答1: I

问题 After update to v23.2.0 in my RecyclerView I have items with huge empty vertical space, between the items. My item layout is very simple: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > 回答1: According to the doc With the release 23.2.0 there is an exciting new feature to the LayoutManager API: auto-measurement ! This allows a RecyclerView to size itself based on

问题 My RecyclerView and item has match_parent width but the result is : <view class="android.support.v7.widget.RecyclerView" android:layout_width="match_parent" and items: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" xmlns:fab="http://schemas.android.com/apk/res-auto" android:id="@+id/ll_itm" android:orientation="horizontal" android:layout_width="match_parent" full: <?xml version="1.0" encoding="utf-8"?> <LinearLayout

问题 I am working on the Recyceview with different item inflation. When i am NOT binding the data on onBindViewHolder method of RecycleView than it Does not crash.. But when i am binding the data inside the onBindViewHolder than i am getting the Exception , Please check my code and let me know where am i doing wrong. package com.tv.practise.adapter; /** Created by Ravindra Kushwaha on 10/10/16. */ public class RecycleDataAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> { private

问题 While adding dependency implementation 'com.azoft.carousellayoutmanager:carousel:1.2.4' to my project, Android Studio throws exception Failed to resolve: recyclerview-v7. Then I tried adding dependency for recyclerview. Still getting same error. apply plugin: 'com.android.application' android { compileSdkVersion 27 defaultConfig { applicationId "com.someapp" minSdkVersion 16 targetSdkVersion 27 versionCode 1 versionName "1.0" vectorDrawables.useSupportLibrary = true } buildTypes { release {

问题 I want to know if there is any possible way to use RecyclerView ? Before this, I used RecyclerView with fixed height inside a ScrollView but this time I don't know the height of the item. Hint : I read all question and solution on stack question before asking this question. update: Some solution show how to scroll RecyclerView on its own but I want to show it expanded. 回答1: If you want to just scrolling then you can use to NestedScrollView instead of ScrollView So you can modify your code

问题 I have a Recycler View with the Images loaded from the Internal Storage. I want to Highlight the selected item when clicked. I tried a lot of thing but it was not working. Actually what I need is when I click any item in Recycler View that Item must go in My ArrayList and it should also get highlighted and again when I click or say unselect it must again become normal. Here is my Code: public class Images extends Fragment { private List<ImageHolder> imageList; Cursor imageCursor; RecyclerView

问题 I want to use CardView in my project, but when I run my application, I get the following error. I'm using Eclipse . Error: Error inflating class and android.support.v7.widget.CardView The graphical view of my xml file says 'The following classes could not be instantiated: - android.support.v7.widget.CardView (Open Class, Show Error Log) See the Error Log (Window > Show View) for more details.' Please help. This is the layout for my fragment where I have used CardView <FrameLayout xmlns

问题 I have a fragment with contains a RecyclerView with layout_width="match_parent": <android.support.v7.widget.RecyclerView xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_gravity="center" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin"