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Fix scroll to bottom button always visible if last item is taller than RecyclerView

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Andrew 2023-05-11 19:48:10 +09:30 committed by GitHub
commit 57476cd56e
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2 changed files with 9 additions and 5 deletions
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5
app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt
View File

@ -211,10 +211,7 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
var searchViewItem: MenuItem? = null var searchViewItem: MenuItem? = null
private val isScrolledToBottom: Boolean private val isScrolledToBottom: Boolean
get() { get() = binding?.conversationRecyclerView?.isScrolledToBottom ?: true
val position = layoutManager?.findFirstCompletelyVisibleItemPosition() ?: 0
return position == 0
}
private val layoutManager: LinearLayoutManager? private val layoutManager: LinearLayoutManager?
get() { return binding?.conversationRecyclerView?.layoutManager as LinearLayoutManager? } get() { return binding?.conversationRecyclerView?.layoutManager as LinearLayoutManager? }

9
libsession/src/main/java/org/session/libsession/utilities/ViewUtils.kt
View File

@ -4,6 +4,7 @@ import android.content.Context
import android.util.TypedValue import android.util.TypedValue
import androidx.annotation.AttrRes import androidx.annotation.AttrRes
import androidx.annotation.ColorInt import androidx.annotation.ColorInt
import androidx.recyclerview.widget.RecyclerView
@ColorInt @ColorInt
fun Context.getColorFromAttr( fun Context.getColorFromAttr(
@ -13,4 +14,10 @@ fun Context.getColorFromAttr(
): Int { ): Int {
theme.resolveAttribute(attrColor, typedValue, resolveRefs) theme.resolveAttribute(attrColor, typedValue, resolveRefs)
return typedValue.data return typedValue.data
} }
val RecyclerView.isScrolledToBottom: Boolean
get() {
val contentHeight = height - (paddingTop + paddingBottom)
return computeVerticalScrollRange() == computeVerticalScrollOffset() + contentHeight
}