feat: 添加ViewPager2Ktx

lib_base/src/main/java/com/quyunshuo/androidbaseframemvvm/base/ktx/ViewPager2Ktx.kt

@@ -0,0 +1,38 @@
+package com.quyunshuo.androidbaseframemvvm.base.ktx
+
+import android.view.View
+import androidx.recyclerview.widget.RecyclerView
+import androidx.viewpager2.widget.ViewPager2
+
+/**
+ * 设置ViewPager2的过度滚动模式为绝不允许用户过度滚动此视图
+ * @receiver ViewPager2
+ */
+fun ViewPager2.setOverScrollModeToNever() {
+    val childView: View = this.getChildAt(0)
+    if (childView is RecyclerView) {
+        childView.overScrollMode = RecyclerView.OVER_SCROLL_NEVER
+    }
+}
+
+/**
+ * 设置ViewPager2的过度滚动模式为始终允许用户过度滚动此视图，前提是它是可以滚动的视图
+ * @receiver ViewPager2
+ */
+fun ViewPager2.setOverScrollModeToAlways() {
+    val childView: View = this.getChildAt(0)
+    if (childView is RecyclerView) {
+        childView.overScrollMode = RecyclerView.OVER_SCROLL_ALWAYS
+    }
+}
+
+/**
+ * 设置ViewPager2的过度滚动模式为仅当内容大到足以有意义地滚动时，才允许用户过度滚动此视图，前提是它是可以滚动的视图。
+ * @receiver ViewPager2
+ */
+fun ViewPager2.setOverScrollModeToIfContentScrolls() {
+    val childView: View = this.getChildAt(0)
+    if (childView is RecyclerView) {
+        childView.overScrollMode = RecyclerView.OVER_SCROLL_IF_CONTENT_SCROLLS
+    }
+}