Questions tagged [android-viewholder]

A ViewHolder object stores each of the component views inside the tag field of the Layout, so you can immediately access them without the need to look them up repeatedly. The ViewHolder pattern is often used in Android applications to improve performances of view access.

A ViewHolder object stores each of the component views inside the tag field of the Layout, so you can immediately access them without the need to look them up repeatedly. The ViewHolder pattern is often used in Android applications to improve performances of view access.

For an example, check the official Android documentation on the ViewHolder pattern.

1064 questions
0
votes
1 answer

how to fix Integer cannot be cast in ViewHolder

I have adapter and retrieving the details into listview private class ChatDisplayAdapter extends BaseAdapter { private LayoutInflater mInflater; public ChatDisplayAdapter() { mInflater = (LayoutInflater)…
0
votes
1 answer

How to get position in Baseadapter

I am getting response from server and display it in listview,but how to get position in baseadapter,,i have one imageview in listitem and i want to get userid as per selection,right now i am getting 6 last id in everylistitem when i click on…
albert
  • 251
  • 5
  • 20
0
votes
1 answer

add multiple textview in listview in android

This is my adapter class i m beginer in android and i want to add multiple textview in listview using view holder and also a button should be there package com.example.navigationdrawerexample; /** * Created by Dev2 on 12/7/2015. …
Usman Asif
  • 111
  • 1
  • 1
  • 9
0
votes
1 answer

How to check RecycleView multiple item View Id in OnClick

I want to do different job for different RecycleView item. I created custom OnClickListener for RecycleView and using this from my activity. But problem is when I want to get RecycleView Item Id form OnClick it's return -1. I can't able to check…
Yeahia2508
  • 7,526
  • 14
  • 42
  • 71
0
votes
1 answer

Replace the text of a button on button click from a GridView with a custom adapter?

I have a GridView which is created via a custom GridViewAdapter which extends a BaseAdapter to create its view. Each cell in the GridView is represented by a button. Inside of the View getView method, I use a ViewHolder to cache the…
0
votes
1 answer

Creating Adapter for ListViews but why to data insert wrong position

i am create custom listview with view holder and try to set correct data in to list view. i have alredy checked all value in my adapter its retune getcount 7 but when time i have load data first two position is correct and other row its again to…
0
votes
2 answers

Listview adapter setting ImageButton background resource to wrong item on recycle

When creating my adapter I pass along multiple parameters, one being a "1" or "0" based on whether or not a particular post was liked. When the ListView is first populated via the adapter, the ImageButton background resource is correctly set based…
Ben C.
  • 1
  • 2
0
votes
0 answers

ViewHolder not working inside Fragment

I am using a RecyclerView Inside a Fragment but When I run the app The recyclerView is not shown on Screen. The CustomAdapter Constructor is getting called but ViewHolder Methods are not getting called. Please help. Below is the Code of…
0
votes
1 answer

Dynamically change a ImageView(Toggling) on clickevent in Listview

I implemented a like function which is similar to the Likening of Facebook. If you already liked a post then a particular imageview will be shown. on clicking on the button will reduce the like count or increase and another imageview will shown…
Noufal M
  • 163
  • 1
  • 4
  • 12
0
votes
1 answer

Adapter not working properly until scrolled

In my Listview I want to have TextViews with image Drawables colored accordingly to the text. I tried using the code below but while the text is showing as expected, the Drawable always shows the last color in the list for all of the TextViews -…
0
votes
1 answer

Base Adapter onclick not working

I am trying to use the material dialogs library Material Dialog and i can't get the callback to work for the custom adapter. The items are displayed perfectly but on click of the items i don't get any callback. Base Adapter public class…
Jude Fernandes
  • 7,437
  • 11
  • 53
  • 90
0
votes
1 answer

getAdapterPosition returns wrong value?

I am trying not to use ListView again and I am trying to get familiar with RecyclerView. I have no problem with using RecyclerView until I try to use HORIZONTAL RecyclerView inside VERTICAL RecyclerView and I made a search and found answer here, so…
0
votes
2 answers

Recyclerview Recycled viewholders merging

I have a recycler view. I have many view holders for different content types. I create my holders like this: /** * Create instance of * compatible viewholder * * @param viewType * @param parent * @return */ …
DJ-DOO
  • 4,545
  • 15
  • 58
  • 98
0
votes
0 answers

Android Recycler View not show keyboard in landscape

I have a recyclerview which displays two different types of viewholder, in one type I have an Edit Text field, when the phone is in portrait the keyboard works fine, but when it is in landscape I can't input, when I touch the edit text for input it…
0
votes
1 answer

RecylerView: Choosing View Holders

I have a doubt on ViewHolders in Recycler View, Which is a better approach i) Using a single ViewHolder with all the View items of diffrent type views and identify them using if/else or switch case: like: public class CustomViewHolder extends…
mudit_sen
  • 1,470
  • 15
  • 24