expandable-recycler-view | Custom Android RecyclerViewAdapters that collapse and expand | Android library
kandi X-RAY | expandable-recycler-view Summary
kandi X-RAY | expandable-recycler-view Summary
Custom RecyclerViewAdapters for expanding and collapsing groups with support for multiple view types.
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Top functions reviewed by kandi - BETA
- Creates new instance
- Make a list of artist artists
- Creates a list of classic artists
- Makes a list of Seb artists
- Initializes the instance
- Called when a child group is clicked
- Clear the choices
- Called when a child view is bound to the given widget
- Gets the view type of a expanded item
- Bind data to a group item
- Compares two ExpandableListPosition objects
- Set up the instance
- Initializes the RecyclerView
- Creates and returns a view holder for the view type of the view
- Creates and returns a new view which corresponds to a group item
- Bind data to a group
- Implementation of the onCreateableListViewHolder method
- Called when a group is collapsed
- Called when a group is expanded
- Compares this object to the specified artist
- Called when a child view holder is bound to the user
- Creates a child view holder
- Called when a child is clicked
- Compares the given Iconre
expandable-recycler-view Key Features
expandable-recycler-view Examples and Code Snippets
Community Discussions
Trending Discussions on expandable-recycler-view
QUESTION
Acutally i'm trying to implement in my app this Expandable Recycler View. So i made an project a part for make some test and just after i get how it's work impelent it in my app but i'm having some issues.
I've used this classe's from the ERV github for build by app and i've added 2 EditText
in the layout and 2 buttons
, so that i would archive it if i write something in "GENRE" edittext
and i press button ADD GENRE there will be added in RecyclerView
an Item and if i put something in EditText
Artist and i'll press ADD ARTIST i want that it will be added to the last added GENRE item in the RecyclerView
.
Here is my code from my MainActivity.
...ANSWER
Answered 2018-Jul-02 at 10:56This answer doesn't work, see edit below
You have a list of Group containing Child.
So if you want to add a Child to the last existing Group just do (in your Adapter):
QUESTION
Currently working on a ExpandableListView
in android using RecyclerView
. I have done almost all the thing but somehow I am getting a NullpointerException
which I can not sort out.Any help will be appreciated.
I am sharing the code snippet and also the git link
The app is crasing at this line in the apadter class
...ANSWER
Answered 2018-May-24 at 07:30See this issue it seems that your list has some null values https://github.com/bignerdranch/expandable-recycler-view/issues/321
I ran your code and logged your list you have null values in a list
check this method
QUESTION
In my application, I want expand and collapse recyclerView
!
I can expand and collapse recyclerView
and for this I use this library : https://github.com/thoughtbot/expandable-recycler-view
I want when click on recyclerView
(expand or collapse) rotate arrow image!
I write below code in viewHolder
class but not work and not rotate arrow image!
ParentViewHolder codes:
ANSWER
Answered 2017-Jul-26 at 17:16TL;DR You have to use startAnimation()
for your ImageView
instead of setAnimation()
.
void setAnimation (Animation animation)
Sets the next animation to play for this view. If you want the animation to play immediately, use startAnimation(android.view.animation.Animation) instead [...]
(quoted from developer.android.com/reference/android/view/View.html)
QUESTION
I'm having difficulty using the bignerdranch's ExpandableRecyclerView. I'm about to get it to work on a fragment (see pics 1 and 2). However when I select a different fragment with a different layout, the data seems to stay in the ExpandableRecyclerView (see pics 3 and 4).
(I don't have enough rep to post individual links so the pics are in a imgur album-sorry!)
Here's my ExpandableRecyclerAdapter
...ANSWER
Answered 2017-Jun-15 at 03:42For anyone who runs into this problem the the solution is really simple but it's worth understanding the problem. In my ExpandableRecyclerAdapter you can see that I'm attempting to make it a template by using
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install expandable-recycler-view
You can use expandable-recycler-view like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the expandable-recycler-view component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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