中文README

• Expand and close animations smoothly
• Supports expanding only one Group
• Support to expand and close all
• Supports multiple types of items
• Supports LinearLayoutManager and GridLayoutManager
• Support sticky header
• Expanded state saving and recovery (when switching between portrait and horizontal screens)
• Support for Java project integration (>= v0.6.0)

Download Url https://github.com/pokercc/ExpandableRecyclerView/releases

1. include dependence

Add it in your root build.gradle at the end of repositories:

allprojects {
    repositories {
        ...
        maven { url 'https://jitpack.io' }
    }
}

last_version =

implementation("com.github.pokercc:ExpandableRecyclerView:${last_version}")

2. Write code

• Use ExpandableRecyclerView in your layout xml.
• Inheriting ExpandableAdapter to realize your adapter.

More detail please refer demo

Attention:

• Using StickyHeader，GroupViewHolder.itemView please set an opaque background, otherwise penetration will occur
• ExpandableRecyclerView's height must set to match_parent or fixed size, Otherwise, the RecyclerView height may change during expansion and closure, causing problems for the execution of the animation

Design from: https://dribbble.com/shots/3253927-Accordion

Welcome to star or create issue.