From 356e34d82427475dd15bac740557ba6ee24591a2 Mon Sep 17 00:00:00 2001
From: LeeReindeer <reindeerlee.work@gmail.com>
Date: Fri, 30 Mar 2018 20:16:34 +0800
Subject: [PATCH] =?UTF-8?q?[Fix]=20Fix=20IllegalStateException=20in=20samp?=
 =?UTF-8?q?le=20app.=20=E2=80=9CThe=20content=20of=20the=20adapter=20has?=
 =?UTF-8?q?=20changed=20but=20ListView=20did=20not=20receive=20a=20notific?=
 =?UTF-8?q?ation=E2=80=9D?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../main/java/xyz/leezoom/tree2/activity/MainActivity.kt    | 6 ++++--
 .../src/main/java/xyz/leezoom/view/treeview/TreeView.java   | 1 -
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/xyz/leezoom/tree2/activity/MainActivity.kt b/app/src/main/java/xyz/leezoom/tree2/activity/MainActivity.kt
index 4fc6f31..d24b2b7 100644
--- a/app/src/main/java/xyz/leezoom/tree2/activity/MainActivity.kt
+++ b/app/src/main/java/xyz/leezoom/tree2/activity/MainActivity.kt
@@ -106,12 +106,13 @@ class MainActivity : AppCompatActivity() {
   @Suppress("UNCHECKED_CAST")
   private fun initView() {
     initRoot()
+    tree_view.requestLayout()
     adapter = FileTreeAdapter(this@MainActivity, root, R.layout.layout_file_tree_item)
     tree_view.treeAdapter = adapter
     tree_view.onItemClickListener = AdapterView.OnItemClickListener { parent, view, position, id ->
       run {
         Log.d(TAG, "Clicked pos: $position")
-        var nodes = adapter!!.nodesList
+        val nodes = adapter!!.nodesList
         //for (i in 0 until nodes.size) Log.i(TAG, "index: $i,node:" + (nodes[i].element as FileItem).name)
         //the click item
         val node: DefaultTreeNode<FileItem> = nodes[position] as DefaultTreeNode<FileItem>
@@ -146,7 +147,8 @@ class MainActivity : AppCompatActivity() {
           Log.d(TAG,"TreeView children: ${tree_view.childCount}")
           //update view
           adapter!!.nodesList = TreeUtils.getVisibleNodesD(root)
-          tree_view.refresh(null)
+          //tree_view.refresh(null)
+          adapter!!.notifyDataSetChanged()
           //start animation
           val offset = parent.firstVisiblePosition
           Log.d(TAG, "anim offset: $offset")
diff --git a/treeview/src/main/java/xyz/leezoom/view/treeview/TreeView.java b/treeview/src/main/java/xyz/leezoom/view/treeview/TreeView.java
index 86b57e3..f2bb2d7 100644
--- a/treeview/src/main/java/xyz/leezoom/view/treeview/TreeView.java
+++ b/treeview/src/main/java/xyz/leezoom/view/treeview/TreeView.java
@@ -63,7 +63,6 @@ public class TreeView extends ListView {
 
   private StringBuilder sb = new StringBuilder();
 
-  // TODO: 12/14/17 use HashMap?
   private ArrayList<DefaultTreeNode> searchList = new ArrayList<>();
   //record the node's expanded status
   private HashMap<DefaultTreeNode, Boolean> expandedState;