Use rememberSaveable with screen state

cashapp · Sep 28, 2023 · 95553c9 · 95553c9
1 parent 89750b1
commit 95553c9
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/test-app/presenter/build.gradle b/test-app/presenter/build.gradle
@@ -19,6 +19,7 @@ kotlin {
         implementation projects.testApp.schema.compose
         implementation projects.redwoodLazylayoutCompose
         implementation projects.redwoodProtocolCompose
+        implementation libs.jetbrains.compose.runtime.saveable
         implementation libs.paging.compose.common
         implementation libs.kotlinx.coroutines.core
       }

diff --git a/test-app/presenter/src/commonMain/kotlin/com/example/redwood/testing/presenter/TestApp.kt b/test-app/presenter/src/commonMain/kotlin/com/example/redwood/testing/presenter/TestApp.kt
@@ -19,7 +19,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.Stable
 import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveable
 import app.cash.redwood.Modifier
 import app.cash.redwood.compose.BackHandler
 import app.cash.redwood.layout.api.Constraint.Companion.Fill
@@ -43,8 +43,9 @@ class TestContext(
 
 @Composable
 fun TestApp(context: TestContext) {
-  val screenKeyState = remember { mutableStateOf<String?>(null) }
+  val screenKeyState = rememberSaveable { mutableStateOf<String?>(null) }
   val screenKey = screenKeyState.value
+  println("screenKey: $screenKey")
   if (screenKey == null) {
     ScreenList(screenKeyState)
   } else {