mirror of
https://github.com/msfjarvis/compose-lobsters
synced 2025-08-18 03:17:03 +05:30
Persist hottest list scroll state across navigation events
Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
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parent
108a28384c
commit
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2 changed files with 5 additions and 2 deletions
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@ -3,6 +3,7 @@ package dev.msfjarvis.lobsters
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import android.os.Bundle
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import android.os.Bundle
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import androidx.appcompat.app.AppCompatActivity
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import androidx.appcompat.app.AppCompatActivity
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import androidx.compose.foundation.Text
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import androidx.compose.foundation.Text
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import androidx.compose.foundation.lazy.rememberLazyListState
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import androidx.compose.material.BottomNavigation
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import androidx.compose.material.BottomNavigation
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import androidx.compose.material.BottomNavigationItem
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import androidx.compose.material.BottomNavigationItem
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import androidx.compose.material.Scaffold
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import androidx.compose.material.Scaffold
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@ -85,10 +86,12 @@ fun LobstersApp() {
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}
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}
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},
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},
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) {
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) {
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val hottestPostsListState = rememberLazyListState()
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NavHost(navController, startDestination = Destination.Hottest.route) {
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NavHost(navController, startDestination = Destination.Hottest.route) {
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composable(Destination.Hottest.route) {
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composable(Destination.Hottest.route) {
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HottestPosts(
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HottestPosts(
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posts = hottestPosts,
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posts = hottestPosts,
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listState = hottestPostsListState,
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saveAction = viewModel::savePost,
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saveAction = viewModel::savePost,
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overscrollAction = viewModel::getMorePosts,
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overscrollAction = viewModel::getMorePosts,
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)
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)
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@ -2,7 +2,7 @@ package dev.msfjarvis.lobsters.ui
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.layout.padding
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import androidx.compose.foundation.lazy.LazyColumnForIndexed
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import androidx.compose.foundation.lazy.LazyColumnForIndexed
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import androidx.compose.foundation.lazy.rememberLazyListState
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import androidx.compose.foundation.lazy.LazyListState
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import androidx.compose.runtime.Composable
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.Modifier
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import androidx.compose.ui.unit.dp
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import androidx.compose.ui.unit.dp
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@ -12,11 +12,11 @@ import dev.msfjarvis.lobsters.urllauncher.UrlLauncherAmbient
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@Composable
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@Composable
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fun HottestPosts(
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fun HottestPosts(
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posts: List<LobstersPost>,
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posts: List<LobstersPost>,
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listState: LazyListState,
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modifier: Modifier = Modifier,
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modifier: Modifier = Modifier,
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saveAction: (LobstersPost) -> Unit,
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saveAction: (LobstersPost) -> Unit,
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overscrollAction: () -> Unit,
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overscrollAction: () -> Unit,
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) {
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) {
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val listState = rememberLazyListState()
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val urlLauncher = UrlLauncherAmbient.current
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val urlLauncher = UrlLauncherAmbient.current
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if (posts.isEmpty()) {
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if (posts.isEmpty()) {
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