我正在尝试加载一个向量,但是继续得到这个错误堆栈跟踪
java.lang.IllegalArgumentException: Unknown command for: R
at androidx.compose.ui.graphics.vector.PathNodeKt.toPathNodes(PathNode.kt:275)
at androidx.compose.ui.graphics.vector.PathParser.addNode(PathParser.kt:525)
at androidx.compose.ui.graphics.vector.PathPa
我是新来的科特林和喷气背包作曲。所以当我开始创业的时候,我有了我的第一个问题,我无法独自解决它。当我开始将状态放在MainContent-函数中并将状态作为参数传递给TipCalcSurface时,问题就出现了。现在我遇到了以下问题:
Type mismatch: inferred type is Int but MutableState<Int> was expected
其他问题是错误类型的结果性问题,但为什么呢?如果我将类型更改为Int,则整个函数无法工作。下面是我的练习代码。
package com.example.customtippcalc
import androi
我今天开始学习jetpack compose,当我使用NavHost时,我有一个渲染预览问题 java.lang.IllegalStateException: ViewModels creation is not supported in Preview
at androidx.compose.ui.tooling.ComposeViewAdapter$FakeViewModelStoreOwner$1.getViewModelStore(ComposeViewAdapter.kt:709)
at androidx.navigation.compose.NavHostKt.NavHost(N
在jetpack组合中添加feature-section background时发生了此问题
None of the following functions can be called with the arguments supplied:
public fun Modifier.background(brush: Brush, shape: Shape = ..., alpha: Float = ...): Modifier
defined in androidx.compose.foundation
public fun Modifier.background(color: