android-recyclerview

Creating Horizontal Scroll Bar Using Json?

倖福魔咒の 提交于 2019-12-11 13:44:43
问题 I am trying to create the CardView ScrollBar UI like Google Play. I was following this tutorial but stuck at the models classes and can't move further. My Json is like this: { "Cards": { "Recently Updated": [ { "Name": "A", "img": "a.png", "link": "alink.com" }, { "Name": "B", "img": "b.png", "link": "blink.com" }, { "Name": "C", "img": "c.png", "link": "clink.com" } ], "Newly Arrives": [ { "Name": "A", "img": "a.png", "link": "alink.com" }, { "Name": "L", "img": "L.png", "link": "Llink.com"

How to avoid data repetition in RecyclerView - Android?

别说谁变了你拦得住时间么 提交于 2019-12-11 13:39:37
问题 I'm developing a wallpaper app using mongodb . I'm retrieving data from database and displaying it on my recyclerView by the help of a data-model class without any problem. Also I'm using swipe refresh layout to allow user for refreshing the recyclerView for new data. But now the problem is how can I avoid data repetition and show only new posts to the user. I meant if there are 5 pics are there in my db in my first query I'll get those 5 so when the user will refresh the layout again the

How to add headerview to recyclerview with staggeredGridLayoutManager

百般思念 提交于 2019-12-11 13:11:13
问题 I want add a headerview like listview into recyclerview with staggeredGridLayoutManager. I have search all library and only found this one RecyclerHeaderView but this library have limitation for LinearLayoutManager or GridLayoutManager. Is possible to add headerview for staggeredGridLayout? 回答1: you can use setFullSpan in the layout manager to create a row that looks like a header public final void onBindViewHolder(RecyclerView.ViewHolder viewHolder, int position) { StaggeredGridLayoutManager

Toast gets intent data why doesn't CardView in RecyclerView? [duplicate]

放肆的年华 提交于 2019-12-11 13:01:02
问题 This question already has answers here : Android: why is CardView not updating with new user input? (2 answers) Closed 3 years ago . I have a user input Activity that passes EditText data back to a RecyclerView list of CardViews. Everything is working fine except for one problem. After I've created the first CardView in the list, the next CardView created doesn't update with the user input data strings. The second CardView shows the same data strings from the first input (on the first

stub_image showing on universal image loader in recyclerview

廉价感情. 提交于 2019-12-11 12:53:33
问题 I have implement universal image loader for showing images in recyclerview. it showing stub_image. Code contain One fragment and its adapter, its working properly before i added universal-image-loader. Here is the code: Fragment.Class public class FourthFragment extends Fragment { private DisplayImageOptions options; ImageLoader imageLoader; RecyclerView rv; RecyclerView.LayoutManager mLayoutManager; RecyclerView.Adapter mAdapter; String[] str = {"one","two","three","four"}; int[] img = {R

recycled recyerview item keeps the old background color

此生再无相见时 提交于 2019-12-11 12:45:49
问题 I have a recycler view and inside the onClick(View view) i'm changing the background color to almost transparent red view.setBackgroundColor(Color.argb(64, 183, 28, 28)); but something weird is happening which is when I scroll down I see the color has changed for items that have not been clicked yet, my guess is when the item is recycled it is retaining the color. I want to remove that color but removing it inside the constructor for the holder is not working so my question is how do I go

how to remove empty list item in recycler views?

断了今生、忘了曾经 提交于 2019-12-11 12:45:09
问题 I'm using recycler view to show items with multiple views. whenever I launch the app some white space is being showed. which is exactly equal to my list items. I provided the screenshot please go through it. I think there is no problem with my code. following is my code recyclerview <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout

RecyclerView how to make cyclic

让人想犯罪 __ 提交于 2019-12-11 12:36:47
问题 I have RecyclerView with elements, for example from 1 to 10. Can somebody help? Thanks! 1 2 3 4 5 6 7 8 9 10 //On create and when I scroll i want to make something like this: 9 10 1 2 3 4 5 6 7 8 //On Scroll 5 6 7 8 9 10 1 2 3 4 回答1: Please refer to the following question which answers a similar problem: How do I create a circular (endless) RecyclerView? 来源: https://stackoverflow.com/questions/34909927/recyclerview-how-to-make-cyclic

Android: open dialog on adapter

给你一囗甜甜゛ 提交于 2019-12-11 12:22:13
问题 How do I open a DialogFragment inside a RecyclerView Adapter, or how do I do it through the main activity? I need to open it by clicking on every view that is added into the RecyclerView. 回答1: This is what I normally do when dealing with recyclerView items click events: Create a click listener to reuse later. public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener { @SuppressWarnings("CanBeFinal") private OnItemClickListener mListener; public interface

RecyclerView is in the middle instead of top after orientation changes from landscape to portrait

混江龙づ霸主 提交于 2019-12-11 12:19:29
问题 I have used recyclerview in a fragment. If activity's configChanges includes orientation, recycler view appears in the middle of the screen after phone orientation changes from landscape to portrait. However it should be on top always. If configChanges does not include orientation, it always appear on top on orientation changes. Do you have any idea what it is the reason? This is the activity layout <android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk