recycleradapter新增单击长按事件

Author: LuckyCodeer

library/src/main/java/com/yhw/library/adapter/BaseRecyclerAdapter.kt

@@ -18,6 +18,9 @@ import androidx.recyclerview.widget.RecyclerView
  */
 abstract class BaseRecyclerAdapter<T>(private var dataList: MutableList<T>) :
     RecyclerView.Adapter<BaseRecyclerAdapter.RecyclerViewHolder>(), IAdapter<T> {
+    open var onItemClickListener: OnItemClickListener? = null
+    open var onItemLongClickListener: OnItemLongClickListener? = null
+
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerViewHolder {
         val view =
             LayoutInflater.from(parent.context).inflate(getItemLayoutId(viewType), parent, false)
@@ -26,6 +29,17 @@ abstract class BaseRecyclerAdapter<T>(private var dataList: MutableList<T>) :
 
     override fun onBindViewHolder(holder: RecyclerViewHolder, position: Int) {
         onBindViewItem(holder, position, dataList[position])
+        if (onItemClickListener != null) {
+            holder.itemView.setOnClickListener {
+                onItemClickListener?.onItemClick(position, holder.itemView)
+            }
+        }
+        if (onItemLongClickListener != null) {
+            holder.itemView.setOnLongClickListener {
+                onItemLongClickListener?.onItemLongClick(position, holder.itemView)
+                true
+            }
+        }
     }
 
     override fun getItemCount(): Int {
@@ -183,6 +197,14 @@ abstract class BaseRecyclerAdapter<T>(private var dataList: MutableList<T>) :
             val checkBox: CheckBox = getView(viewId)
             checkBox.isChecked = isChecked
         }
+    }
+
+    interface OnItemClickListener {
+        fun onItemClick(position: Int, view: View)
+    }
 
+    interface OnItemLongClickListener {
+        fun onItemLongClick(position: Int, view: View)
     }
+
 }

sample/src/main/java/com/yhw/demo/RecyclerViewActivity.kt

@@ -30,6 +30,22 @@ class RecyclerViewActivity : AppCompatActivity() {
         recyclerView.layoutManager = LinearLayoutManager(this)
         val adapter = MyRecyclerAdapter(dataList)
         recyclerView.adapter = adapter
+        //单击
+        adapter.onItemClickListener =object: BaseRecyclerAdapter.OnItemClickListener {
+            override fun onItemClick(position: Int, view: View) {
+                if(!adapter.isShowCheckBox){
+                    Toast.makeText(this@RecyclerViewActivity, "item => $position", Toast.LENGTH_SHORT)
+                        .show()
+                }
+            }
+        }
+        //长按
+        adapter.onItemLongClickListener = object : BaseRecyclerAdapter.OnItemLongClickListener {
+            override fun onItemLongClick(position: Int, view: View) {
+                Toast.makeText(this@RecyclerViewActivity, "长按 => $position", Toast.LENGTH_SHORT)
+                    .show()
+            }
+        }
 
         /**
          * 操作数据，增删改
@@ -147,8 +163,6 @@ class RecyclerViewActivity : AppCompatActivity() {
                     }
                     return@setOnClickListener
                 }
-                Toast.makeText(this@RecyclerViewActivity, "item => $position", Toast.LENGTH_SHORT)
-                    .show()
             }
         }