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bottomsheet animation show and hide after back pressed #32

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bottomsheet animation show and hide after back pressed #32

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53a07d2
bottomsheet animation show and hide after back pressed
etaskaevhh Oct 17, 2023
d29b2af
removed use of lifecycleOwner
etaskaevhh Oct 19, 2023
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34 changes: 30 additions & 4 deletions sample/src/main/java/com/github/terrakok/androidcomposeapp/screens/SampleBottomSheet.kt
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Original file line number Diff line number Diff line change
@@ -1,11 +1,14 @@
package com.github.terrakok.androidcomposeapp.screens

import androidx.activity.compose.BackHandler
import androidx.compose.material.ExperimentalMaterialApi
import androidx.compose.material.ModalBottomSheetLayout
import androidx.compose.material.ModalBottomSheetValue
import androidx.compose.material.rememberModalBottomSheetState
import androidx.compose.runtime.Composable
import androidx.compose.runtime.LaunchedEffect
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.runtime.snapshotFlow
import androidx.compose.ui.window.DialogProperties
import com.github.terrakok.modo.DialogScreen
import com.github.terrakok.modo.ExperimentalModoApi
Expand All @@ -15,6 +18,8 @@ import com.github.terrakok.modo.generateScreenKey
import com.github.terrakok.modo.stack.StackScreen
import com.github.terrakok.modo.stack.back
import com.github.terrakok.modo.util.currentOrThrow
import kotlinx.coroutines.flow.drop
import kotlinx.coroutines.launch
import kotlinx.parcelize.Parcelize

@OptIn(ExperimentalModoApi::class)
Expand All @@ -35,13 +40,34 @@ class SampleBottomSheet(
@OptIn(ExperimentalMaterialApi::class)
@Composable
override fun Content() {
val coroutineScope = rememberCoroutineScope()
val navigation = LocalContainerScreen.currentOrThrow as StackScreen
val state = rememberModalBottomSheetState(initialValue = ModalBottomSheetValue.HalfExpanded)
LaunchedEffect(key1 = state.currentValue) {
if (state.currentValue == ModalBottomSheetValue.Hidden) {
navigation.back()
val state = rememberModalBottomSheetState(initialValue = ModalBottomSheetValue.Hidden)

LaunchedEffect(key1 = Unit) {
coroutineScope.launch {
state.show()
}
}

LaunchedEffect(key1 = state) {
snapshotFlow { state.currentValue }.drop(1).collect { value ->
if (value == ModalBottomSheetValue.Hidden) {
navigation.back()
}
}
}

BackHandler {
coroutineScope.launch {
if (state.currentValue == ModalBottomSheetValue.Hidden) {
navigation.back()
} else {
state.hide()
}
}
}

ModalBottomSheetLayout(
sheetContent = {
SampleContent(i, LocalContainerScreen.current as StackScreen, isDialog = false)
Expand Down