好吧,所以我有一个现有的自定义回收站视图适配器,使用提供的项目填充回收站视图,并在布局中设置属性,如下所示,我试图从代码中删除不相关的项目
class TransactionAdapter(val context: Context, var transactions: List<Transaction>) :
androidx.recyclerview.widget.RecyclerView.Adapter<TransactionAdapter.CustomViewHolder>() {
override fun onCreateViewHolder(p0: ViewGroup, p1: Int): CustomViewHolder {
val inflater = context.getSystemService(Context.LAYOUT_INFLATER_SERVICE) as LayoutInflater
val view = inflater.inflate(R.layout.transaction_list_inner_view, p0, false)
return CustomViewHolder(view)
}
override fun onBindViewHolder(p0: CustomViewHolder, p1: Int) {
p0.transactionNameTextView?.text = transactions[p1].title
p0.transactionAmountTextView?.text = transactions[p1].amount
if (!transactions[p1].location.isNullOrEmpty()) {
p0.transactionLocationTextView?.text = transactions[p1].location
} else {
p0.transactionLocationTextView?.text = "N/A"
}
p0.transactionTimeTextView?.text = transactions[p1].createdAt
p0.transactionDeleteButton?.setOnClickListener { println("working delete") }
}
class CustomViewHolder(v: View) : androidx.recyclerview.widget.RecyclerView.ViewHolder(v) {
val transactionNameTextView: TextView? = v.findViewById(R.id.transactionNameTextView) as TextView?
val transactionAmountTextView: TextView? = v.findViewById(R.id.transactionAmountTextView) as TextView?
val transactionLocationTextView: TextView? = v.findViewById(R.id.transactionLocationTextView) as TextView?
val transactionTimeTextView: TextView? = v.findViewById(R.id.transactionTimeTextView) as TextView?
val transactionDeleteButton: AppCompatButton? = v.findViewById(R.id.transactionDeleteButton) as AppCompatButton?
}
}
现在,我想实现这个库来使用可扩展的卡片视图,这样我只能显示例如交易的名称和数量,并且其余部分将被展开,这个库可以在这里找到https://github.com/AleSpero/ExpandableCardView,图书馆要求我制作一个带有inner_view属性的新布局,我已经这样做了,我的布局叫做transaction_list_expandable_view.xml
,它看起来像这样
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:app="http://schemas.android.com/apk/res-auto"
tools:ignore="ExtraText">
<com.alespero.expandablecardview.ExpandableCardView
android:id="@+id/transaction"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:title="testt"
app:inner_view="@layout/transaction_list_inner_view"
app:expandOnClick="true"
app:animationDuration="300"
app:startExpanded="false"
/>
</androidx.constraintlayout.widget.ConstraintLayout>
现在出现了问题,我的自定义TransactionAdapter只处理一个布局,我称之为transaction_list_inner_view,如何让这个适配器代替内部和可扩展视图并获得所需的结果? (具有相关标题的卡片列表,扩展以显示属于它们的其余细节)
很抱歉这个问题和代码很长,在此先感谢您的帮助。
在检查了您正在使用的库的代码之后,我认为您不应该手动(在您的适配器中)充气内部视图,因为ExpandableCardView
的责任是您应该在适配器中充气transaction_list_expandable_view.xml
。它看起来像:val view = inflater.inflate(R.layout.transaction_list_expandable_view, p0, false)
为了填充你的内部视图,我不确定在实例化CustomViewHolder
时内部视图是否已经在可扩展的内部视图中膨胀。如果是这种情况,只需切换上面的= =可扩展视图即可。