Categories
Development

How to find the item that shows up on top of the RecyclerView while scrolling

I have been looking for a proper API for what I need to do and I am all but certain that there has to be an API. But I am not finding it. Here is my problem: I am displaying an ArrayList inside a recycler view. What I need is to know what item in […]

Categories
Development

RecyclerView onScrolled method of addOnScrollListener not called except only once

Background: I am implementing pagination logic with RecyclerView by adding addOnScrollListener function. Problem faced: The onScrolled method is called once when the RecyclerView adapter is loaded with dy value of 0. However when the list reaches its end when scrolled, the onScrolled method is not triggered while the onScrollStateChanged is triggered correctly. Here is my […]

Categories
Android API Development

How to use Nested OnScrollListener in API below < 21 – AndroidX

I want to make pagination in my RecyclerView, but because I have a header on top of my RecyclerView I need to use NestedScrollView and Pagination doesn’t work when you use NestedScrollView. How to implement Nested Scroll Listener to do pagination when I am on the bottom of RecyclerView when my RecyclerView insideNestedScrollView? This is […]

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Development

Recyclerview with PageSnaphelper

I’m currently experimenting with Recyclerview with PageSnapHelper.’ The basics I knew so far by creating a Recyclerview and use the below code to perform a Page sliding effect which is working. final PagerSnapHelper mySnapHelper = new PagerSnapHelper(); mySnapHelper .attachToRecyclerView(mMyRecyclerview); Currently, I would like to implement a page indicator using this PageIndicator Link for my HORIZONTAL […]

Categories
Database Development Firebase

Getting recent to old data in Load More from firebase Database [duplicate]

This question already has an answer here: Firebase retrieve highest 100 score 1 answer I am currently developing an app that is showing a list of data from a firebase database. The code is working fine but I need the help of modifications. This code is retrieving five results from firebase and when the user […]

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Development

FloatingActionButton is cut off when scrolling Toolbar

When Scrolling the RecyclerView, the Toolbar and the TabLayout are both collapsed as supposed, but the FloatingActionButton cut off I followed these instructions: Hide floating button when collapsing toolbar is collapsed which suggests to add the attributes <android.support.design.widget.FloatingActionButton … app:layout_anchor=”@id/appBar” app:layout_anchorGravity=”bottom|right|end” /> but my AppBarLayout is living inside another layout (xml) file => app_bar_main.xml app_bar_main.xml […]

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Development

Exoplayer2 in recyclerview video pause on notifyitemchange is called

I have the task to make video play in recyclerview use exoplayer and use this reference : I am follow tutorial by Droid wafe : and code works very well in my application. but. there is a slight problem. the problem is when I call the notifyItemChange (position) function to update an item on videoViewHolder. […]

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Development

RecyclerView: Inconsistency detected. Invalid item position – why is that?

Our QA has detected a bug: the following RecyclerView-related crash happened: ` java.lang.IndexOutOfBoundsException: Inconsistency detected. Invalid item position 2(offset:2).state:3 A brutal workaround could be perhaps to catch the exception when it happens and re-create the RecyclverView instance from scratch, to avoid getting left with a corrupted state. But, if possible, I would like to understand […]

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Development

Move mouse while Cursor is hidden ingame

I’m currently creating a very small application, that prevents me from being afk kicked on minecraft servers. The way this works is, every x seconds it moves my mouse back and forth. Even though it technically works fine, it wont move my mouse when im in Minecraft. It will only move my mouse, if the […]

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Development

Invalid Query in firestore android studio?

I am doing the endless recyclerview using the firestore in android studio. My problem is when I scroll the recyclerview sometimes it gets some error and sometimes it will work perfectly fine. I just want to know why is this happening and I wan’t to know how can I fix this. Bellow is my code […]