我的自定义 View 有一个 BaseUi 类,我的 Activity 从它扩展而来。
当我使用 Root
功能,应用程序崩溃。
BaseUi.kt
@ExperimentalAnimationApi
open class BaseUi : AppCompatActivity() {
@Composable
fun RtlView(content: @Composable () -> Unit) {
CompositionLocalProvider(
LocalLayoutDirection provides LayoutDirection.Rtl,
content = content
)
}
@Composable
fun LtrView(content: @Composable () -> Unit) {
CompositionLocalProvider(LocalLayoutDirection provides LayoutDirection.Ltr) {
content()
}
}
@Composable
fun Root(
content: @Composable () -> Unit
) {
KasbTheme {
Box(
Modifier
.fillMaxSize()
.background(LightPageBackground)
.padding(Dimen.pagePadding)
){
content()
}
}
}
}
SplashActivity.kt @ExperimentalAnimationApi
class SplashActivity : BaseActivity() {
val viewModel = SplashActivityViewModel()
@ExperimentalAnimationApi
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
InitUI()
}
}
@ExperimentalAnimationApi
@Preview(showBackground = true)
@Composable
fun InitUI() {
Root {
RtlView {
Box(Modifier.fillMaxSize()) {
Image(
painter = painterResource(id = R.drawable.logo),
contentDescription = "",
modifier = Modifier.size(200.dp).align(Alignment.Center)
)
}
}
}
}
}
运行时错误 com.kasb.android E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.kasb.android, PID: 22387
java.lang.ClassCastException: androidx.compose.runtime.internal.ComposableLambdaImpl cannot be cast to kotlin.jvm.functions.Function0
at com.kasb.android.ui.activity.SplashActivity.InitUI(SplashActivity.kt:76)
at com.kasb.android.ui.activity.SplashActivity$onCreate$1.invoke(SplashActivity.kt:30)
at com.kasb.android.ui.activity.SplashActivity$onCreate$1.invoke(SplashActivity.kt:29)
at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:107)
at androidx.compose.runtime.internal.ComposableLambdaImpl.invoke(ComposableLambda.jvm.kt:34)
at androidx.compose.ui.platform.ComposeView.Content(ComposeView.android.kt:384)
最佳答案
不是永久修复,但干净的项目消除了一次编译的错误。不知道为什么会这样。
关于android - (jetpack compose) androidx.compose.runtime.internal.ComposableLambdaImpl 无法转换为 kotlin.jvm.functions.Function0,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/68083934/