所以我正在更新我的RecylerView with StateFlow<List>像下面这样：
我的数据类：
data class Student(val name: String, var isSelected: Boolean)
我的视图模型逻辑：
fun updateStudentsOnSelectionChanged(targetStudent: Student) {
val targetIndex = _students.value.indexOf(targetStudent)
val isSelected = !targetStudent.isSelected
_students.value[targetIndex].isSelected = isSelected //<- doesn't work
}
Problem:UI没变，只是isSelected inside _student变了，怎么回事？ （和...一样LiveData)
我假设_students is a StateFlow<List>。改变isSelected的财产Student模型不会触发StateFlow。解决方法是使isSelected的财产Student数据类不可变，以便在设置新状态时对其进行比较，创建一个MutableList从当前列表中删除并复制现有的Student具有新值的对象isSelected财产：
data class Student(val name: String, val isSelected: Boolean)
val students = _students.value.toMutableList()
students[targetIndex] = students[targetIndex].copy(isSelected = isSelected)
_students.value = students
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