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feat: 全局返回顶部事件

This commit is contained in:
HuanCheng65 2023-07-15 22:54:25 +08:00
parent 0ae5dde3df
commit 2ce5dbb315
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GPG Key ID: 5EC9DD60A32C7360
2 changed files with 14 additions and 0 deletions
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12
app/src/main/java/com/huanchengfly/tieba/post/arch/BaseComposeActivity.kt
View File

@ -5,6 +5,7 @@ import android.os.Bundle
import android.os.Parcelable
import android.widget.Toast
import androidx.activity.compose.setContent
import androidx.compose.foundation.lazy.LazyListState
import androidx.compose.runtime.Composable
import androidx.compose.runtime.CompositionLocalProvider
import androidx.compose.runtime.LaunchedEffect
@ -106,6 +107,8 @@ abstract class BaseComposeActivity : BaseActivity() {
is CommonUiEvent.Toast -> {
Toast.makeText(this, event.message, event.length).show()
}
else -> {}
}
}
@ -118,8 +121,17 @@ abstract class BaseComposeActivity : BaseActivity() {
sealed interface CommonUiEvent : UiEvent {
object ScrollToTop : CommonUiEvent
data class Toast(
val message: CharSequence,
val length: Int = android.widget.Toast.LENGTH_SHORT
) : CommonUiEvent
@Composable
fun BaseViewModel<*, *, *, *>.bindScrollToTopEvent(lazyListState: LazyListState) {
onEvent<ScrollToTop> {
lazyListState.scrollToItem(0, 0)
}
}
}

2
app/src/main/java/com/huanchengfly/tieba/post/ui/page/main/explore/personalized/PersonalizedPage.kt
View File

@ -49,6 +49,7 @@ import com.huanchengfly.tieba.post.api.models.protos.ThreadInfo
import com.huanchengfly.tieba.post.api.models.protos.personalized.DislikeReason
import com.huanchengfly.tieba.post.api.models.protos.personalized.ThreadPersonalized
import com.huanchengfly.tieba.post.arch.BaseComposeActivity
import com.huanchengfly.tieba.post.arch.CommonUiEvent.ScrollToTop.bindScrollToTopEvent
import com.huanchengfly.tieba.post.arch.ImmutableHolder
import com.huanchengfly.tieba.post.arch.collectPartialAsState
import com.huanchengfly.tieba.post.arch.onEvent
@ -111,6 +112,7 @@ fun PersonalizedPage(
onRefresh = { viewModel.send(PersonalizedUiIntent.Refresh) }
)
val lazyListState = rememberLazyListState()
viewModel.bindScrollToTopEvent(lazyListState = lazyListState)
var refreshCount by remember {
mutableStateOf(0)
}