Restore selected color position
This diff restores the position of the color list to the last selected color.
Note that there are two lists bound to the same RV and they shouldn't affect each other
in terms of last scrolled to position.
see bug for video
bug: 277146089
Test: manual
Change-Id: I5fd3770e3ed1779400c7c01b347294e5da93c196
diff --git a/src/com/android/customization/picker/color/ui/binder/ColorPickerBinder.kt b/src/com/android/customization/picker/color/ui/binder/ColorPickerBinder.kt
index 452e8b6..a1342d5 100644
--- a/src/com/android/customization/picker/color/ui/binder/ColorPickerBinder.kt
+++ b/src/com/android/customization/picker/color/ui/binder/ColorPickerBinder.kt
@@ -92,6 +92,22 @@
launch {
viewModel.colorOptions.collect { colorOptions ->
colorOptionAdapter.setItems(colorOptions)
+ // the same recycler view is used for different color types tabs
+ // the scroll state of each tab should be independent of others
+ var indexToFocus = 0
+ colorOptions.forEachIndexed { index, colorOption ->
+ if (colorOption.isSelected.value) {
+ indexToFocus = index
+ }
+ }
+ val linearLayoutManager =
+ object : LinearLayoutManager(view.context, HORIZONTAL, false) {
+ override fun onLayoutCompleted(state: RecyclerView.State?) {
+ super.onLayoutCompleted(state)
+ scrollToPosition(indexToFocus)
+ }
+ }
+ colorOptionContainerView.layoutManager = linearLayoutManager
}
}
}