ExpandableGridView | Android customized expandable GridView | RecyclerView library

ExpandableGridView is a Java library typically used in User Interface, RecyclerView applications. ExpandableGridView has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. However ExpandableGridView build file is not available. You can download it from GitHub.

##Introduction This is a customized Android expandable GridView, which can expand/collapse grid view under touched item view and insert a new sub grid view in the expanded space. By using ExpandableGridView, you can get OSX/iOS expand folder like experience. ##Solution The idea of the "expand functionality" is to add a cover layer upon the grid view. Take a snapshot of the grid view and split it to two part. Add the two splited images into the cover layer, this will create an experience of split/expand the grid view. Then insert a sub grid view into the middle of the cover layer. Add the cover layer to the grid view's parent and bring it to the front. Expand function has achieved. Register click listener to the up/down images in cover layer. When the two parts are clicked, remove the cover layer and sub grid view. The hidden grid view will display again. This will create the experience of "collapse" grid view. ##Usage 0. Include the class ExpandableGridView.java in your project. Notice: the uper parent group of the grid view should be 'RelativeLayout'. Otherwise, the expanded grid view may can not be shown normally. ##Customization This ExpandableGridView is only a kind of expand solution, that to display another sub grid view in the expand space. If you wanna have some other customized sub views in the expand space, you can customize the ExpandableGridView.java as you like.