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appBar shadow on scroll

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This commit is contained in:
Danil Nikolaev
2021-10-10 18:48:22 +03:00
parent 118c531d00
commit c90b8fb822
1 changed files with 6 additions and 1 deletions
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app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsFragment.kt
+6 -1
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@@ -103,6 +103,11 @@ class ConversationsFragment :
binding.appBar.addOnOffsetChangedListener(AppBarLayout.OnOffsetChangedListener { _, verticalOffset -> binding.appBar.addOnOffsetChangedListener(AppBarLayout.OnOffsetChangedListener { _, verticalOffset ->
if (isPaused) return@OnOffsetChangedListener if (isPaused) return@OnOffsetChangedListener
binding.appBar.animate().translationZ(
if (verticalOffset < 0) AndroidUtils.px(3).roundToInt().toFloat()
else 0f
).setDuration(50).start()
val padding = AndroidUtils.px(if (verticalOffset <= -100) 10 else 30).roundToInt() val padding = AndroidUtils.px(if (verticalOffset <= -100) 10 else 30).roundToInt()
binding.avatarContainer.updatePadding( binding.avatarContainer.updatePadding(
@@ -113,7 +118,7 @@ class ConversationsFragment :
val minusAlpha = (1 - (abs(verticalOffset) * 0.01)).toFloat() val minusAlpha = (1 - (abs(verticalOffset) * 0.01)).toFloat()
val plusAlpha = (abs(1 + verticalOffset * 0.01) * 1.01).toFloat() val plusAlpha = (abs(1 + verticalOffset * 0.01) * 1.01).toFloat()
println("Fast::ConversationsFragment::onOffset minusAlpha: $minusAlpha; plusAlpha: $plusAlpha") println("Fast::ConversationsFragment::onOffset offset: $verticalOffset; minusAlpha: $minusAlpha; plusAlpha: $plusAlpha")
val alpha: Float = if (verticalOffset <= -100) plusAlpha else minusAlpha val alpha: Float = if (verticalOffset <= -100) plusAlpha else minusAlpha