Retain scroll position after swapping navigation (#1072)

LemmyNet · Jul 21, 2023 · 3aa898f · 3aa898f
1 parent e73b10d
commit 3aa898f
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/app/src/main/java/com/jerboa/model/HomeViewModel.kt b/app/src/main/java/com/jerboa/model/HomeViewModel.kt
@@ -1,6 +1,7 @@
 package com.jerboa.model
 
 import android.content.Context
+import androidx.compose.foundation.lazy.LazyListState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
@@ -44,6 +45,8 @@ class HomeViewModel : ViewModel(), Initializable {
     private var blockCommunityRes: ApiState<BlockCommunityResponse> by mutableStateOf(ApiState.Empty)
     private var blockPersonRes: ApiState<BlockPersonResponse> by mutableStateOf(ApiState.Empty)
 
+    val lazyListState = LazyListState()
+
     var sortType by mutableStateOf(SortType.Active)
         private set
     var listingType by mutableStateOf(ListingType.Local)

diff --git a/app/src/main/java/com/jerboa/ui/components/home/HomeActivity.kt b/app/src/main/java/com/jerboa/ui/components/home/HomeActivity.kt
@@ -7,7 +7,6 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.lazy.LazyListState
-import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material.ExperimentalMaterialApi
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.Add
@@ -95,7 +94,7 @@ fun HomeActivity(
     val transferCreatePostDepsViaRoot = appState.rootChannel<CreatePostDeps>()
 
     val scope = rememberCoroutineScope()
-    val postListState = rememberLazyListState()
+    val postListState = homeViewModel.lazyListState
     val snackbarHostState = remember { SnackbarHostState() }
     val scrollBehavior = TopAppBarDefaults.enterAlwaysScrollBehavior(rememberTopAppBarState())
     val ctx = LocalContext.current