I am creating an app for editing videos and I need to create a custom view like below:
The thumbnails are a list of images extracted from the video.
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So your thumbnails / images list are in some container (maybe a **view**)? Maybe look at [Masking a View in Android](https://stackoverflow.com/questions/14801075/android-how-to-apply-mask-on-imageview). You can try make the mask draggable, try adding a rectangle (for white outlines) above the mask layer (you might have to change width according to dragged distance on X-axis). – VC.One Dec 10 '21 at 04:37
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https://stackoverflow.com/users/2057709/vc-one This is the exact behavior I need to implement. https://drive.google.com/file/d/1RF3tcjy5BLh0GxXVAke1Va4jVCmOQG3M/view?usp=drivesdk I couldn't paste the whole video because StackOverflow has a size limit. Currently, we are using nested RecyclerView. The inner RecyclerView is for the thumbs list and the outer is for the List of Thumbs list. Could you please provide suggestions around the same? Thanks! – Kalpesh Chandora Dec 10 '21 at 16:09