bobowg / BaiseComposeLearn

android compose 基本参考用法与示例
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LazyColumn 使用出错! #6

Open bobowg opened 2 years ago

bobowg commented 2 years ago

2022-08-23 18:16:22.119 8775-8775/com.example.baisecomposelearn E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.baisecomposelearn, PID: 8775 java.lang.IllegalStateException: Vertically scrollable component was measured with an infinity maximum height constraints, which is disallowed. One of the common reasons is nesting layouts like LazyColumn and Column(Modifier.verticalScroll()). If you want to add a header before the list of items please add a header as a separate item() before the main items() inside the LazyColumn scope. There are could be other reasons for this to happen: your ComposeView was added into a LinearLayout with some weight, you applied Modifier.wrapContentSize(unbounded = true) or wrote a custom layout. Please try to remove the source of infinite constraints in the hierarchy above the scrolling container. at androidx.compose.foundation.CheckScrollableContainerConstraintsKt.checkScrollableContainerConstraints-K40F9xA(CheckScrollableContainerConstraints.kt:36) at androidx.compose.foundation.lazy.LazyListKt$rememberLazyListMeasurePolicy$1$1.invoke-0kLqBqw(LazyList.kt:198) at androidx.compose.foundation.lazy.LazyListKt$rememberLazyListMeasurePolicy$1$1.invoke(LazyList.kt:197) at androidx.compose.foundation.lazy.layout.LazyLayoutKt$LazyLayout$2$1.invoke-0kLqBqw(LazyLayout.kt:74) at androidx.compose.foundation.lazy.layout.LazyLayoutKt$LazyLayout$2$1.invoke(LazyLayout.kt:70) at androidx.compose.ui.layout.LayoutNodeSubcompositionsState$createMeasurePolicy$1.measure-3p2s80s(SubcomposeLayout.kt:590) at androidx.compose.ui.node.InnerPlaceable.measure-BRTryo0(InnerPlaceable.kt:44) at androidx.compose.foundation.AndroidOverscrollKt$StretchOverscrollNonClippingLayer$2.invoke-3p2s80s(AndroidOverscroll.kt:535) at androidx.compose.foundation.AndroidOverscrollKt$StretchOverscrollNonClippingLayer$2.invoke(AndroidOverscroll.kt:534) at androidx.compose.ui.layout.LayoutModifierImpl.measure-3p2s80s(LayoutModifier.kt:285) at androidx.compose.ui.node.ModifiedLayoutNode.measure-BRTryo0(ModifiedLayoutNode.kt:53) at androidx.compose.foundation.AndroidOverscrollKt$StretchOverscrollNonClippingLayer$1.invoke-3p2s80s(AndroidOverscroll.kt:519) at androidx.compose.foundation.AndroidOverscrollKt$StretchOverscrollNonClippingLayer$1.invoke(AndroidOverscroll.kt:518) at androidx.compose.ui.layout.LayoutModifierImpl.measure-3p2s80s(LayoutModifier.kt:285) at androidx.compose.ui.node.ModifiedLayoutNode.measure-BRTryo0(ModifiedLayoutNode.kt:53) at androidx.compose.ui.graphics.SimpleGraphicsLayerModifier.measure-3p2s80s(GraphicsLayerModifier.kt:405) at androidx.compose.ui.node.ModifiedLayoutNode.measure-BRTryo0(ModifiedLayoutNode.kt:53) at androidx.compose.ui.node.LayoutNode$performMeasure$1.invoke(LayoutNode.kt:1428) at androidx.compose.ui.node.LayoutNode$performMeasure$1.invoke(LayoutNode.kt:1427) at androidx.compose.runtime.snapshots.Snapshot$Companion.observe(Snapshot.kt:2116) at androidx.compose.runtime.snapshots.SnapshotStateObserver.observeReads(SnapshotStateObserver.kt:110) at androidx.compose.ui.node.OwnerSnapshotObserver.observeReads$ui_release(OwnerSnapshotObserver.kt:78) at androidx.compose.ui.node.OwnerSnapshotObserver.observeMeasureSnapshotReads$ui_release(OwnerSnapshotObserver.kt:66) at androidx.compose.ui.node.LayoutNode.performMeasure-BRTryo0$ui_release(LayoutNode.kt:1427) at androidx.compose.ui.node.OuterMeasurablePlaceable.remeasure-BRTryo0(OuterMeasurablePlaceable.kt:94) at androidx.compose.ui.node.OuterMeasurablePlaceable.measure-BRTryo0(OuterMeasurablePlaceable.kt:75) at androidx.compose.ui.node.LayoutNode.measure-BRTryo0(LayoutNode.kt:1366) at androidx.compose.foundation.layout.RowColumnImplKt$rowColumnMeasurePolicy$1.measure-3p2s80s(RowColumnImpl.kt:89) at androidx.compose.ui.node.InnerPlaceable.measure-BRTryo0(InnerPlaceable.kt:44) at androidx.compose.foundation.ScrollingLayoutModifier.measure-3p2s80s(Scroll.kt:345) at androidx.compose.ui.node.ModifiedLayoutNode.measure-BRTryo0(ModifiedLayoutNode.kt:53)