{
	"id": "162293",
	"key": "TIMOB-23849",
	"fields": {
		"issuetype": {
			"id": "1",
			"description": "A problem which impairs or prevents the functions of the product.",
			"name": "Bug",
			"subtask": false
		},
		"project": {
			"id": "10153",
			"key": "TIMOB",
			"name": "Titanium SDK/CLI",
			"projectCategory": {
				"id": "10100",
				"description": "Titanium and related SDKs used in application development",
				"name": "Client"
			}
		},
		"fixVersions": [
			{
				"id": "16980",
				"description": "New V8",
				"name": "Release 6.0.0",
				"archived": false,
				"released": true,
				"releaseDate": "2016-11-15"
			}
		],
		"resolution": {
			"id": "1",
			"description": "A fix for this issue is checked into the tree and tested.",
			"name": "Fixed"
		},
		"resolutiondate": "2016-09-05T10:06:41.000+0000",
		"created": "2016-08-01T09:25:25.000+0000",
		"priority": {
			"name": "Medium",
			"id": "3"
		},
		"labels": [],
		"versions": [],
		"issuelinks": [],
		"assignee": {
			"name": "kiguchi",
			"key": "kota",
			"displayName": "Kota Iguchi",
			"active": false,
			"timeZone": "America/Los_Angeles"
		},
		"updated": "2016-10-18T17:26:00.000+0000",
		"status": {
			"description": "The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.",
			"name": "Closed",
			"id": "6",
			"statusCategory": {
				"id": 3,
				"key": "done",
				"colorName": "green",
				"name": "Done"
			}
		},
		"components": [
			{
				"id": "12642",
				"name": "Windows",
				"description": "Windows authoring support"
			}
		],
		"description": "Creating and adding 50 simple rows to section takes a lot of time.\r\n \r\n\r\n*index.xml:*\r\n\r\n{code:javascript}\r\n<Alloy>\r\n    <Window id=\"win\" backgroundColor='yellow'>\r\n\t\t<ListView id=\"list\" defaultItemTemplate=\"template\">\r\n\t\t\t<Templates>\r\n\r\n                <ItemTemplate name=\"template\">\r\n                    <Label bindId=\"info\" id=\"title\" color=\"black\" />\r\n                </ItemTemplate>\r\n\r\n            </Templates>\r\n            \r\n\t        <ListSection id='section'>\r\n\t        </ListSection>\r\n\t    </ListView>\r\n\t    <Button width=\"100dp\" height='50dp' backgroundColor=\"green\" onClick='addToList' />\r\n\t</Window>\r\n</Alloy>\r\n{code}\r\n\r\n\r\n*index.js:*\r\n\r\n{code:javascript}\r\nvar items = [];\r\nfor(var i=0; i<50; i++) {\r\n\titems.push({info: {text: 'title ' + i}});\r\n}\r\n\r\nfunction addToList() {\r\n\t$.section.appendItems(items);\r\n}\r\n\r\n$.win.open();\r\n{code}",
		"attachment": [],
		"flagged": false,
		"summary": "Windows: terrible performance of listview",
		"creator": {
			"name": "zozo4kin",
			"key": "zozo4kin",
			"displayName": "Zakhar Zhuravlev",
			"active": true,
			"timeZone": "America/Los_Angeles"
		},
		"subtasks": [],
		"reporter": {
			"name": "zozo4kin",
			"key": "zozo4kin",
			"displayName": "Zakhar Zhuravlev",
			"active": true,
			"timeZone": "America/Los_Angeles"
		},
		"environment": "Nokia Lumia 625",
		"closedSprints": [
			{
				"id": 707,
				"state": "closed",
				"name": "2016 Sprint 19 SDK",
				"startDate": "2016-09-10T00:17:15.164Z",
				"endDate": "2016-09-24T00:17:00.000Z",
				"completeDate": "2016-09-26T05:17:04.253Z",
				"originBoardId": 114
			}
		],
		"comment": {
			"comments": [
				{
					"id": "395313",
					"author": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"body": "We've been pushing performance optimization overall, and got huge performance improvement especially on ListView: [PR #788|https://github.com/appcelerator/titanium_mobile_windows/pull/788] and [PR779|https://github.com/appcelerator/titanium_mobile_windows/pull/779]. This improvement will be available as of 6.0.0 and you can check it out now from Appcelerator [nightly build|http://builds.appcelerator.com/#6_0_X].\r\n",
					"updateAuthor": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2016-09-05T06:31:51.000+0000",
					"updated": "2016-09-05T06:31:51.000+0000"
				},
				{
					"id": "395317",
					"author": {
						"name": "zozo4kin",
						"key": "zozo4kin",
						"displayName": "Zakhar Zhuravlev",
						"active": true,
						"timeZone": "America/Los_Angeles"
					},
					"body": "Great. Thank you. In some build of 6.0.0 performance was improved in several times. I think, you can close this ticket.",
					"updateAuthor": {
						"name": "zozo4kin",
						"key": "zozo4kin",
						"displayName": "Zakhar Zhuravlev",
						"active": true,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2016-09-05T07:53:02.000+0000",
					"updated": "2016-09-05T07:53:02.000+0000"
				},
				{
					"id": "395324",
					"author": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"body": "Awesome, resolving, marked Fixed in 6.0.0.",
					"updateAuthor": {
						"name": "kiguchi",
						"key": "kota",
						"displayName": "Kota Iguchi",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2016-09-05T10:06:42.000+0000",
					"updated": "2016-09-05T10:06:42.000+0000"
				},
				{
					"id": "399276",
					"author": {
						"name": "eharris",
						"key": "eharris",
						"displayName": "Ewan Harris",
						"active": true,
						"timeZone": "Europe/Dublin"
					},
					"body": "Verified using:\r\n\r\nOS: Microsoft Windows 10 Pro 10.0.14393\r\nAppc core: 6.0.0-61\r\nAppc NPM: 4.2.8-8\r\nTi SDK: 6.0.0.v20161017194738\r\nAppc Studio: 4.8.0.201610171310\r\n\r\nListView performance has been improved\r\n\r\n{code}\r\n//5.5.1.GA = 7203\r\n//6.0.0.v20161017194738 = 1047 \r\n\r\nfunction addToList() {\r\n\tvar start = +new Date();\r\n\t\r\n\tvar fruitDataSet = [];\r\n\tfor (var i = 0; i < 60; i++) {\r\n\t    fruitDataSet.push({ properties: { title: 'Apple ' + i } });\r\n\t};\r\n\t$.section.appendItems(fruitDataSet);\r\n\tvar msg = 'Elapsed: ' + (+new Date() - start);\r\n\tconsole.log(msg);\r\n\talert('Elapsed: ' + (+new Date() - start));\r\n}\r\n \r\n$.win.open();\r\n{code}\r\n\r\n\r\n{code}\r\n// 5.5.1.GA = 15375\r\n// 6.0.0.v20161017194738 = 1734\r\nvar win = Ti.UI.createWindow({ backgroundColor: 'green' });\r\nvar listView = Ti.UI.createListView();\r\nvar sections = [];\r\n\r\nwin.addEventListener('click', function() {\r\n\tvar start = +new Date();\r\n\tvar fruitSection = Ti.UI.createListSection({ headerTitle: 'Fruits' });\r\n\tvar fruitDataSet = [];\r\n\tfor (var i = 0; i < 60; i++) {\r\n\t    fruitDataSet.push({ properties: { title: 'Apple ' + i } });\r\n\t}\r\n\tfruitSection.setItems(fruitDataSet);\r\n\tsections.push(fruitSection);\r\n\t\r\n\tlistView.sections = sections;\r\n\tvar msg = 'Elapsed: ' + (+new Date() - start);\r\n\tconsole.log(msg);\r\n\talert('Elapsed: ' + (+new Date() - start));\r\n\twin.add(listView);\r\n});\r\n\r\nwin.open();\r\n{code}",
					"updateAuthor": {
						"name": "eharris",
						"key": "eharris",
						"displayName": "Ewan Harris",
						"active": true,
						"timeZone": "Europe/Dublin"
					},
					"created": "2016-10-18T17:25:48.000+0000",
					"updated": "2016-10-18T17:25:48.000+0000"
				}
			],
			"maxResults": 9,
			"total": 9,
			"startAt": 0
		}
	}
}