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Android Top Sheet Implementation
source link: https://gist.github.com/jayrambhia/3860832353ccd22c8ce5478ef7ef63e4
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TopSheetDialog
Widget equivalent to Android's BottomSheet with top-to-bottom transition. This implementation reuses the Bottom Sheet implementation.
With the same Behavior+CoordinatorLayout strategy, the implementation makes necessary changes to BottomSheetBehavior and creates a new behavior called TopSheetBehavior.
Similar to the behavior, I have also replicated BottomSheetDialog class and created TopSheetDialog class.
Usage
TopSheetDialog(context, <Your top-sheet theme>).apply {
// Required to have the top-down animation when the app starts showing / dismissin it.
window?.attributes?.windowAnimations = R.style.TopSheet_DialogAnimation
setContentView(<Your view>, ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT))
}.show()TopSheetFragment?
I have not tried it with a fragment. Feel free to take the code and make necessary changes to make it work.
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