添加wraplinearlayout

Author: 李泽鹏

lib_base/src/main/java/com/gxyj/base/widget/LinearLayoutManagerWrapper.kt

@@ -0,0 +1,28 @@
+package com.gxyj.base.widget
+
+import android.content.Context
+import android.support.v7.widget.LinearLayoutManager
+import android.support.v7.widget.RecyclerView
+import android.util.AttributeSet
+
+/**
+ * 解决rv 内外数据不一致造成的IndexOutOfBoundsException
+ * https://www.jianshu.com/p/2eca433869e9
+ * https://www.jianshu.com/p/840feaafc768
+ * https://www.jianshu.com/p/654dac931667
+ * 这里主要是配合notifyItemRangeChanged使用，这个虽然可以确保刷新不闪烁，但是会导致数据不一致
+ */
+class WrapContentLinearLayoutManager : LinearLayoutManager {
+
+    constructor(context: Context) : super(context)
+    constructor(context: Context?, attrs: AttributeSet?, defStyleAttr: Int, defStyleRes: Int) : super(context, attrs, defStyleAttr, defStyleRes)
+    constructor(context: Context?, orientation: Int, reverseLayout: Boolean) : super(context, orientation, reverseLayout)
+
+    override fun onLayoutChildren(recycler: RecyclerView.Recycler?, state: RecyclerView.State?) {
+        try {
+            super.onLayoutChildren(recycler, state)
+        } catch (e: IndexOutOfBoundsException) {
+            e.printStackTrace()
+        }
+    }
+}