Akshay Nandwana

@chrk2205 assigned to you. Few points to get start: 1. Write down all the edges case which needs to get tested. 2. Don't include end to end test, example like...

Yes, for both comments above

@BenHenning Tried this issue using `AsyncListDiffer` and setting the new data inside our `setData(newDataList: List)` with `differ.submitList(buildNewList(newDataList))` Video link - https://drive.google.com/drive/folders/1HAfzcLl2BkSddAjuUuCBJAmf5RwP9Atn?usp=sharing Before  After 

@khushal1707 Things which are failing: 1. RecyclerView loading is smooth but slow 2. Drag and Drop doesn't work correctly These are the 2 issues we face after merging my earlier...

No, the linking thing in drag and drop doesn't work with the diffing.

Thanks, this will be helpful.

let's have. a draft pr, which solves this issue and will discuss more on this. Also, keeping @aggarwalpulkit596 in loop for drag and drop feature.

Thanks @ayan-biswas0412 for showing interest. Please complete the onboarding and installation steps before starting https://github.com/oppia/oppia-android/wiki If you see test files in the app Module, one file referenced in the description...

Sounds good to me @Sparsh1212

Yes, as testing is a new module so you have to check if the required dependency is already there or not, if not we have to add it.