Created
October 23, 2023 13:17
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Cargo11.kt
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| package cargo | |
| import androidx.compose.foundation.layout.Column | |
| import androidx.compose.foundation.layout.fillMaxWidth | |
| import androidx.compose.material.Text | |
| import androidx.compose.runtime.Composable | |
| import androidx.compose.ui.Modifier | |
| // Exception in thread "main" java.lang.NullPointerException: Parameter specified as non-null is null: | |
| // method cargo.ComponentScopeImpl.Child, parameter modifier | |
| @Composable | |
| fun Cargo11() { | |
| RootComponent() { | |
| Child(item = "aaa") | |
| Child(item = "bbb") | |
| Child(item = "ccc") | |
| } | |
| } | |
| abstract class ComponentScope() { | |
| @Composable | |
| open fun Child(modifier: Modifier = Modifier.fillMaxWidth(), item: String) {} | |
| } | |
| private object ComponentScopeImpl : ComponentScope() { | |
| @Composable | |
| override fun Child(modifier: Modifier, item: String) { | |
| Column(modifier) { | |
| Text(item) | |
| } | |
| } | |
| } | |
| @Composable | |
| fun RootComponent(content: @Composable ComponentScope.() -> Unit) { | |
| ComponentScopeImpl.content() | |
| } |
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