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[英]I'm trying to add images to a RecyclerView using RecyclerVIewAdapter and Picasso
[英]I'm using a RecyclerView, how to add Intent to it?
我正在使用RecyclerView,並且要向其添加一個單擊偵聽器。 我該如何實現? 這是我的Adapter類供參考。
class ItemAdapter(var context:Context, var list:ArrayList<Items>): RecyclerView.Adapter<RecyclerView.ViewHolder>() {
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
var v:View=LayoutInflater.from(context).inflate(R.layout.item_row,parent,false)
return ItemHolder(v)
}
override fun getItemCount(): Int {
return list.size
}
override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
(holder as ItemHolder).bind(list[position].name,list[position].price,list[position].picture,list[position].id)
}
class ItemHolder(itemView: View): RecyclerView.ViewHolder(itemView){
fun bind(n:String,p:Double,u:String,item_id:Int)
{
itemView.item_name.text=n
itemView.item_price.text=p.toString()+" "+"USD"
var web:String=("http://192.168.0.101/web%20Sales/images/"+u)
web=web.replace(" ","%20")
//Picasso.with(itemView.context).load(web).into(itemView.item_photo)
Glide.with(itemView.context).load(web).into(itemView.item_photo).toString()
itemView.item_add_photo.setOnClickListener{
UserInfo.itemId=item_id
var obj= QtyFragment()
var manager=(itemView.context as Activity).fragmentManager
obj.show(manager, "Qty")
}
itemView.det_btn.onItem
}
}
}
如果您要將Click Listener設置為RecyclerView
的項目,則可以從ItemHolder
類執行此操作-
class ItemHolder(itemView: View): RecyclerView.ViewHolder(itemView){
var currentItem: Items? = null
var currentPosition: Int = 0
init{
itemView.item_add_photo.setOnClickListener {
currentItem?.let {
val message: String = "My item is: " + currentItem!!.name
val intent = Intent(context, YourActivity::class.java)
context.startActivity(intent)
}
}
}
fun bind(n:String,p:Double,u:String,item_id:Int)......
}
嘗試這種方式。點擊itemView ...
itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//enter code here
}
});
在適配器中:
class ItemHolder(itemView: View): RecyclerView.ViewHolder(itemView){
...
init {
itemView.setOnClickListener{
onItemClick?.invoke(list[adapterPosition])
}
}
...
在“活動”或“片段”中,設置適配器:
adapter.onItemClick = { item ->
//do something
))
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