我正在尝试创建一个带有项目列表的android服装应用程序。为了启用循环滚动,我在kotlin中使用WearableRecyclerView进行编码。但是面对这个错误未解决的参考:适配器java中的相同代码不会抛出此错误!我还在kotlin中引用了内部和外部类的概念。 Adapter类是RecyclerView的抽象类,它又由WearableRecyclerView扩展。任何指导都会有很大用处,谢谢!
这是我的代码
class CustomRecyclerAdapter(context: Context,dataSet: Array<String>): WearableRecyclerView.Adapter<CustomRecyclerAdapter.viewHolder>() {
var mDataSet: Array<String>
var mcontext: Context
init {
mDataSet = dataSet
mcontext=context
}
inner class viewHolder(view: View) : WearableRecyclerView(mcontext) {
val mTextView: TextView
init {
mTextView = view.findViewById(R.id.textView)
}
override fun toString(): String {
return mTextView.text as String
}
}
fun onCreateViewHolder(viewGroup: ViewGroup, viewType: Int): viewHolder {
val view = LayoutInflater.from(viewGroup.context)
.inflate(R.layout.recycler_row_item, viewGroup, false)
return viewHolder(view)
}
fun onBindViewHolder(viewHolder: viewHolder, position: Int) {
// Replaces content of view with correct element from data set
viewHolder.mTextView.text = mDataSet[position]
}
// Return the size of your dataset (invoked by the layout manager)
fun getItemCount(): Int {
return mDataSet.size
}
}
你的班级inner class viewHolder(view: View) : WearableRecyclerView(mcontext)
必须扩展WearableRecyclerView.ViewHolder
而不是WearableRecyclerView
,如:
inner class viewHolder(view: View) : WearableRecyclerView.ViewHolder(view)
而不是使用(显然不存在)WearableRecyclerView.Adapter
考虑使用非可穿戴适配器:RecyclerView.Adapter