diff --git a/app/src/main/java/com/mantis/customgallery/ChildView.kt b/app/src/main/java/com/mantis/customgallery/ChildView.kt
index 9472b15..cf09d79 100644
--- a/app/src/main/java/com/mantis/customgallery/ChildView.kt
+++ b/app/src/main/java/com/mantis/customgallery/ChildView.kt
@@ -6,8 +6,8 @@ import android.widget.ImageView
 import com.bumptech.glide.Glide
 import com.mantis.infinitegallery.BaseInfiniteView
 
-class ChildView(context: Context, val image: Image) : BaseInfiniteView(context) {
-    override fun bindView(): View {
+class ChildView(context: Context) : BaseInfiniteView<Image>(context) {
+    override fun bindView(image :Image): View {
         val view = inflateView(R.layout.item_view)
         val imageView = view.findViewById<ImageView>(R.id.ivImage)
         Glide.with(imageView.context).load(image.url).into(imageView)
diff --git a/infinitegallery/build.gradle b/infinitegallery/build.gradle
index 6a566df..6bcc766 100644
--- a/infinitegallery/build.gradle
+++ b/infinitegallery/build.gradle
@@ -10,7 +10,7 @@ android {
 
 
     defaultConfig {
-        minSdkVersion 14
+        minSdkVersion 21
         targetSdkVersion 28
         versionCode 1
         versionName "1.0"
diff --git a/infinitegallery/src/main/java/com/mantis/infinitegallery/BaseInfiniteView.kt b/infinitegallery/src/main/java/com/mantis/infinitegallery/BaseInfiniteView.kt
index dcbce08..b704ccc 100644
--- a/infinitegallery/src/main/java/com/mantis/infinitegallery/BaseInfiniteView.kt
+++ b/infinitegallery/src/main/java/com/mantis/infinitegallery/BaseInfiniteView.kt
@@ -4,7 +4,7 @@ import android.content.Context
 import android.view.LayoutInflater
 import android.view.View
 
-open abstract class BaseInfiniteView(
+open abstract class BaseInfiniteView<T>(
     private val context: Context,
     private val layoutInflater: LayoutInflater = LayoutInflater.from(context)) {
 
@@ -12,7 +12,7 @@ open abstract class BaseInfiniteView(
     /**create and bind data to view here
      *
      */
-    abstract fun bindView(): View
+    abstract fun bindView(obj:T): View
 
 
     /**
diff --git a/infinitegallery/src/main/java/com/mantis/infinitegallery/InfiniteGallery.kt b/infinitegallery/src/main/java/com/mantis/infinitegallery/InfiniteGallery.kt
index 736d7e2..32a2063 100644
--- a/infinitegallery/src/main/java/com/mantis/infinitegallery/InfiniteGallery.kt
+++ b/infinitegallery/src/main/java/com/mantis/infinitegallery/InfiniteGallery.kt
@@ -15,7 +15,7 @@ import android.view.ViewGroup.LayoutParams.MATCH_PARENT
 import android.widget.FrameLayout
 
 
-open class InfiniteGallery<T : BaseInfiniteView> : FrameLayout {
+open class InfiniteGallery<S, T : BaseInfiniteView<S>> : FrameLayout {
 
     // member definition
 
@@ -31,7 +31,7 @@ open class InfiniteGallery<T : BaseInfiniteView> : FrameLayout {
     var numChildToShow: Int = DEFAULT_CHILD_NUM_TO_SHOW
 
     var childViewList = mutableListOf<T>()
-
+    var itemList = mutableListOf<S>()
 
     val DIRECTION_RIGHT = 1
     val DIRECTION_LEFT = -1
@@ -65,16 +65,28 @@ open class InfiniteGallery<T : BaseInfiniteView> : FrameLayout {
         childViewList.add(view)
     }
 
+//    private fun getChild(context: Context) :T{
+//
+//    }
+
+    inline fun <reified T> getChild(context: Context): T {
+       return  T::class.java.newInstance()
+    }
 
-    fun addChilds(views: MutableList<T>): InfiniteGallery<T> {
+    fun addChilds(views: MutableList<T>): InfiniteGallery<S, T> {
         childViewList = views
         return this
     }
+    fun postItemList(dataList: MutableList<S>) {
+        this.itemList = dataList
+    }
 
     fun display() {
         post {
-            for (child in childViewList) {
-                attachChild(child.bindView())
+            removeAllViews()
+            for (item in itemList) {
+
+                attachChild((getChild(context)as BaseInfiniteView).bindView(item))
             }
             startAnimation()
         }