expandablelistview

How to create Expandable ListView in Flutter

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Try this: import ‘package:flutter/material.dart’; void main() => runApp(MaterialApp(home: MyApp(), debugShowCheckedModeBanner: false,),); class MyApp extends StatefulWidget { @override _MyAppState createState() => _MyAppState(); } class _MyAppState extends State<MyApp> { @override Widget build(BuildContext context) { return Scaffold( body: ListView.builder( itemCount: vehicles.length, itemBuilder: (context, i) { return ExpansionTile( title: Text(vehicles[i].title, style: TextStyle(fontSize: 20.0, fontWeight: FontWeight.bold, fontStyle: FontStyle.italic),), children: <Widget>[ … Read more

Change expandable indicator in ExpandableListView

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expandable listview <ExpandableListView android:id=”@+id/expandable_list” android:layout_width=”fill_parent” android:layout_height=”fill_parent” android:groupIndicator=”@drawable/group_indicator” android:transcriptMode=”alwaysScroll” /> setindicator here iam useing setindicator code like this this working nice DisplayMetrics metrics = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(metrics); int width = metrics.widthPixels; mExpandableList = (ExpandableListView)findViewById(R.id.expandable_list); mExpandableList.setIndicatorBounds(width – GetPixelFromDips(50), width – GetPixelFromDips(10)); public int GetPixelFromDips(float pixels) { // Get the screen’s density scale final float scale = getResources().getDisplayMetrics().density; … Read more

Android: 2 or more ExpandableListView inside Navigation Drawer

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Finally i have got it! This is the code I created to get an ExpandableListView with section titles. Now it’s I can easily create three xml custom layouts for titles, groups and childrens. It work for me, but I accept any code improvements to optimize memory usage, speed and so on. // ——————————————————————————————— // NAVIGATION … Read more

Android – NestedScrollView which contains ExpandableListView doesn’t scroll when expanded

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You can use NonScrollExpandableListView you can achieve non-scroll property of any Lisview or GridView or ExpandableListView by overriding following method. @Override public void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int heightMeasureSpec_custom = MeasureSpec.makeMeasureSpec( Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST); super.onMeasure(widthMeasureSpec, heightMeasureSpec_custom); ViewGroup.LayoutParams params = getLayoutParams(); params.height = getMeasuredHeight(); } So for using NonScrollExpandableListView you need to make one … Read more

Programmatically collapse a group in ExpandableListView

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Try putting this in your ExpandableListAdapter, listView is a reference to the ExpandableListView itself. And lastExpandedGroupPosition is a integer member variable defined inside your ExpandableListAdapter. @Override public void onGroupExpanded(int groupPosition){ //collapse the old expanded group, if not the same //as new group to expand if(groupPosition != lastExpandedGroupPosition){ listView.collapseGroup(lastExpandedGroupPosition); } super.onGroupExpanded(groupPosition); lastExpandedGroupPosition = groupPosition; }

How to add image in expandable List in parent in android?

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Working with SimpleExpandableListAdapter is anything but simple. Here’s some code that should get you started, assuming that you’re using ExpandableListActivity. In this example, we use the standard android.R.layout.simple_expandable_list_item_1 for our group header view, but we use our own custom layout for the children. // Construct Expandable List final String NAME = “name”; final String IMAGE … Read more

How to display more than 3- levels of expandable List View?

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I Found Solution and I am uploading all java class So check all java Or U can check this : 1: MainActivity.java public class MainActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Object obj = new Object(); obj.children = new ArrayList<Object>(); for(int i = 0;i<Constant.state.length;i++) { Object root = new Object(); … Read more

ANDROID – ExpandableListView

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I assume, you have your data structured somehow, like: ArrayList where Parent {name:String, checked:boolean, children:ArrayList} and Child {name:String} If so, you only have to do two things: create proper layouts for your parent item renderer and child item renderer expand BaseExpandableListAdapter to build up the list yourself. Here is a small sample about what’s in … Read more

Android ExpandableListView – Looking for a tutorial [closed]

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Create item list List<ParentItem> itemList = new ArrayList<ParentItem>(); ParentItem parent1 = new ParentItem(); parent1.getChildItemList().add(new ChildItem()); parent1.getChildItemList().add(new ChildItem()); parent1.getChildItemList().add(new ChildItem()); ParentItem parent2 = new ParentItem(); parent2.getChildItemList().add(new ChildItem()); parent2.getChildItemList().add(new ChildItem()); parent2.getChildItemList().add(new ChildItem()); itemList.add(parent1); itemList.add(parent2); ExpandableListViewAdapter adapter = new ExpandableListViewAdapter(context, itemList); Data Objects public class ParentItem { private List<ChildItem> childItemList; public ParentItem() { childItemList = new ArrayList<ChildItem>(); } … Read more

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