飛旋在定製RecyclerView.Adapter<CustomAdapter.ViewHolder>
,我設置的適配器的微調,發現我的飛旋的價值選擇之後沒有改變,所以我想在我的微調添加OnItemClickListener
:無法設置OnItemClickListener請在Android
override fun onBindViewHolder(viewHolder: ViewHolder, position: Int) {
// The selectable items of the spinner is dynamically generated from getItems() function
val selectableItems: List<String> = getItems()
val spinnerAdapter = ArrayAdapter<String>(this.context, androi.R.layout.simple_spinner_item)
spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
spinnerAdapter.addAll(selectableItems)
viewHolder.mySpinner.adapter = spinnerAdapter
// the error occurs on the following line:
viewHolder.mySpinner.onItemClickListener = AdapterView.OnItemClickListener { adapterView, view, i, l ->
adapterView.setSelection(i)
}
viewHolder.mySpinner.setSelection(origionSelectedPosition)
}
編譯時我沒有收到任何警告或錯誤,但是在運行時,我得到了一個RuntimeException,表示setOnItemClickListener cannot be used with a spinner
。這有點奇怪。我在代碼中做錯了什麼?還是有人知道爲什麼我的微調沒有改變相應的選擇?
的科特林解決方案的進一步說明:
我曾經試圖用onItemSelectedListener
但未能找到在科特林使用它一個合適的方式。 但終於!下面的代碼解決了我的問題:
viewHolder.mySpinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
override fun onItemSelected(parent: AdapterView<*>, view: View, pos: Int, id: Long) {
}
override fun onNothingSelected(parent: AdapterView<out Adapter>?) {
}
}
是的..你想使用的'spinner.onItemSelectedListener' – Bharatesh
可能的複製[我有一個錯誤:setOnItemClickListener不能使用旋轉器一起使用,什麼是錯誤?](http://stackoverflow.com/questions/11322642/i-have-an-error-setonitemclicklistener-cannot-be-used-with-a-spinner-what-is-w) – miensol
檢查此解決方案:http://stackoverflow.com/a/11322667/3819836 –