{
	"id": "162863",
	"key": "TIMOB-23836",
	"fields": {
		"issuetype": {
			"id": "2",
			"description": "A new feature of the product, which has yet to be developed.",
			"name": "New Feature",
			"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": "17608",
				"name": "Release 6.1.0",
				"archived": false,
				"released": true,
				"releaseDate": "2017-05-26"
			}
		],
		"resolution": {
			"id": "1",
			"description": "A fix for this issue is checked into the tree and tested.",
			"name": "Fixed"
		},
		"resolutiondate": "2016-08-30T07:22:58.000+0000",
		"created": "2016-08-29T21:24:28.000+0000",
		"priority": {
			"name": "Medium",
			"id": "3"
		},
		"labels": [
			"ios10",
			"prefetching",
			"tableview"
		],
		"versions": [],
		"issuelinks": [],
		"assignee": {
			"name": "hknoechel",
			"key": "hansknoechel",
			"displayName": "Hans Knöchel",
			"active": true,
			"timeZone": "Europe/Berlin"
		},
		"updated": "2016-11-28T21:53:13.000+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": "10206",
				"name": "iOS",
				"description": "iOS Platform"
			}
		],
		"description": "iOS 10 offers a new way to prefetch items before they are visible in the actual visible area. This allows the developer to be notified when items are fetched so he/she can react on that beforehand (e.g. for preloading images already).\r\n\r\n{quote}\r\nThe indexPaths are ordered ascending by geometric distance from the table view\r\n{quote}\r\n\r\nAlong with that, the user can also be notified when items that previously qualified for prefetching were not actually displayed. For both cases, we can expose them using the events {{prefetch}} and {{cancelprefetch}}.",
		"attachment": [],
		"flagged": false,
		"summary": "iOS10: Support UITableView data-source prefetching",
		"creator": {
			"name": "hknoechel",
			"key": "hansknoechel",
			"displayName": "Hans Knöchel",
			"active": true,
			"timeZone": "Europe/Berlin"
		},
		"subtasks": [],
		"reporter": {
			"name": "hknoechel",
			"key": "hansknoechel",
			"displayName": "Hans Knöchel",
			"active": true,
			"timeZone": "Europe/Berlin"
		},
		"environment": null,
		"closedSprints": [
			{
				"id": 704,
				"state": "closed",
				"name": "2016 Sprint 18 SDK",
				"startDate": "2016-08-27T00:18:36.960Z",
				"endDate": "2016-09-10T00:18:00.000Z",
				"completeDate": "2016-09-09T20:26:13.865Z",
				"originBoardId": 114
			}
		],
		"comment": {
			"comments": [
				{
					"id": "394702",
					"author": {
						"name": "hknoechel",
						"key": "hansknoechel",
						"displayName": "Hans Knöchel",
						"active": true,
						"timeZone": "Europe/Berlin"
					},
					"body": "PR: https://github.com/appcelerator/titanium_mobile/pull/8285 \r\n\r\nDemo:\r\n{code:javascript}\r\nvar win = Ti.UI.createWindow();\r\nvar list = Ti.UI.createListView();\r\nvar items = [];\r\n\r\nfor (var i = 0; i < 200; i++) {\r\n    items.push({\r\n        properties: {\r\n            title: \"Item \" + i\r\n        }\r\n    });\r\n}\r\n\r\nlist.setSections([Ti.UI.createListSection({items: items})]);\r\n\r\nlist.addEventListener(\"prefetch\", function(e) {\r\n    Ti.API.warn(\"event:prefetch\");\r\n    Ti.API.warn(e.prefetchedItems);\r\n});\r\n\r\nlist.addEventListener(\"cancelprefetch\", function(e) {\r\n    Ti.API.warn(\"event:cancelprefetch\");\r\n    Ti.API.warn(e.prefetchedItems);\r\n});\r\n\r\nwin.add(list);\r\nwin.open();\r\n{code}",
					"updateAuthor": {
						"name": "hknoechel",
						"key": "hansknoechel",
						"displayName": "Hans Knöchel",
						"active": true,
						"timeZone": "Europe/Berlin"
					},
					"created": "2016-08-29T21:46:17.000+0000",
					"updated": "2016-08-29T22:05:31.000+0000"
				},
				{
					"id": "394769",
					"author": {
						"name": "cng",
						"key": "cng",
						"displayName": "Chee Kiat Ng",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"body": "CR and FT passed. Scroll the list view to see the prefetch events.",
					"updateAuthor": {
						"name": "cng",
						"key": "cng",
						"displayName": "Chee Kiat Ng",
						"active": false,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2016-08-30T07:22:47.000+0000",
					"updated": "2016-08-30T07:22:47.000+0000"
				},
				{
					"id": "401932",
					"author": {
						"name": "smohammed",
						"key": "smohammed",
						"displayName": "Samir Mohammed",
						"active": true,
						"timeZone": "America/Los_Angeles"
					},
					"body": "Verified, was able to see the {{prefetch}} information in the console (Using the code provided above). Example of the information shown in the console can be seen below. \r\n\r\n{code:java}\r\n[WARN] :   event:prefetch\r\n[WARN] :   (\r\n[WARN] :           {\r\n[WARN] :           itemIndex = 16;\r\n[WARN] :           section = \"[object TiUIListSection]\";\r\n[WARN] :           sectionIndex = 0;\r\n[WARN] :       },\r\n[WARN] :           {\r\n[WARN] :           itemIndex = 17;\r\n[WARN] :           section = \"[object TiUIListSection]\";\r\n[WARN] :           sectionIndex = 0;\r\n[WARN] :       },\r\n{code}\r\n\r\n*Environment*\r\n{code:java}\r\nAppcelerator Command-Line Interface, version 6.0.0\r\nIphone 6S (IOS 10.0)\r\nOperating System Name: Mac OS X El Capitan\r\nOperating System Version: 10.11.6\r\nNode.js Version: 4.6.0\r\nnpm: 4.2.8\r\nTitanium CLI Version: 5.0.10\r\nTitanium SDK Version: 6.1.0.v20161128031712\r\nXcode: 8.0\r\nAppcelerator Studio: 4.8.0.201611121409\r\n{code}\r\n",
					"updateAuthor": {
						"name": "smohammed",
						"key": "smohammed",
						"displayName": "Samir Mohammed",
						"active": true,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2016-11-28T21:52:21.000+0000",
					"updated": "2016-11-28T21:52:52.000+0000"
				}
			],
			"maxResults": 3,
			"total": 3,
			"startAt": 0
		}
	}
}