update RvAdapter

lib_base/src/main/java/com/android/base/adapter/recycler/SimpleRecyclerAdapter.kt

@@ -15,12 +15,12 @@ import com.android.base.kotlin.KtViewHolder
  */
 abstract class SimpleRecyclerAdapter<T>(context: Context, data: List<T>? = null) : RecyclerAdapter<T, KtViewHolder>(context, data) {
 
-    private var mLayoutInflater: LayoutInflater = LayoutInflater.from(mContext)
+    private var layoutInflater: LayoutInflater = LayoutInflater.from(mContext)
 
     final override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): KtViewHolder {
         val layout = provideLayout(parent, viewType)
         val itemView = if (layout is Int) {
-            mLayoutInflater.inflate(layout, parent, false)
+            layoutInflater.inflate(layout, parent, false)
         } else
             layout as View
         return KtViewHolder(itemView).apply {
@@ -28,31 +28,15 @@ abstract class SimpleRecyclerAdapter<T>(context: Context, data: List<T>? = null)
         }
     }
 
-    protected fun onViewHolderCreated(ktViewHolder: KtViewHolder) {
-
-    }
+    protected open fun onViewHolderCreated(viewHolder: KtViewHolder) = Unit
 
     /**provide a layout id or a View*/
     abstract fun provideLayout(parent: ViewGroup, viewType: Int): Any
 
-    override fun getItemViewType(position: Int): Int {
-        return TYPE_ITEM
-    }
-
     override fun onBindViewHolder(viewHolder: KtViewHolder, position: Int) {
-        if (viewHolder.itemViewType == TYPE_ITEM) {
-            bind(viewHolder, getItem(position))
-        } else {
-            bindOtherTypes(viewHolder, position)
-        }
+        bind(viewHolder, getItem(position))
     }
 
     protected abstract fun bind(viewHolder: KtViewHolder, item: T)
 
-    protected open fun bindOtherTypes(viewHolder: ViewHolder, position: Int) {}
-
-    companion object {
-        protected const val TYPE_ITEM = 0
-    }
-
 }