{
	"id": "62487",
	"key": "TIMOB-1855",
	"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": "13505",
				"description": "Release 3.0.0",
				"name": "Release 3.0.0",
				"archived": true,
				"released": true,
				"releaseDate": "2012-12-14"
			}
		],
		"resolution": {
			"id": "1",
			"description": "A fix for this issue is checked into the tree and tested.",
			"name": "Fixed"
		},
		"resolutiondate": "2012-08-16T13:49:35.000+0000",
		"created": "2011-04-15T03:04:01.000+0000",
		"priority": {
			"name": "Medium",
			"id": "3"
		},
		"labels": [
			"ios",
			"iphone",
			"performance",
			"tabgroup",
			"window"
		],
		"versions": [],
		"issuelinks": [
			{
				"id": "19970",
				"type": {
					"id": "10003",
					"name": "Relates",
					"inward": "relates to",
					"outward": "relates to"
				},
				"outwardIssue": {
					"id": "94532",
					"key": "TIMOB-9901",
					"fields": {
						"summary": "TiAPI: Review and clean up platform bugs and reduce bug count by 20%.",
						"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"
							}
						},
						"priority": {
							"name": "High",
							"id": "2"
						},
						"issuetype": {
							"id": "7",
							"description": "gh.issue.story.desc",
							"name": "Story",
							"subtask": false
						}
					}
				}
			}
		],
		"assignee": {
			"name": "ngupta",
			"key": "ngupta",
			"displayName": "Neeraj Gupta",
			"active": true,
			"timeZone": "America/Los_Angeles"
		},
		"updated": "2013-01-15T04:43:40.000+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": "{html}<div><p>Doing a normal window operation in an app like this yields a\nmuch slower app (slower as in UI rendering, modals opening and\nclosing, views in a ScrollableView, etc.):</p>\n<pre>\n<code>var mainWindow = Titanium.UI.createWindow({ ... });\nmainWindow.open();</code>\n</pre>\n<p>...than this, which makes the app much faster:</p>\n<pre>\n<code>var tabGroup = Titanium.UI.createTabGroup();\nvar mainWindow = Titanium.UI.createWindow({ \n   navBarHidden:true, \n   tabBarHidden:true \n});\nvar tab = Titanium.UI.createTab({ \n   window:mainWindow \n});\ntabGroup.addTab(tab); \ntabGroup.open();</code>\n</pre>\n<p>Both produce the same visual result, but I see significant\nperformance gains using the invisible tabGroup option.</p>\n<p>I have tested this on multiple applications both in the\nsimulator and on a device. This is for iPhone only.</p>\n<p>Hopefully this is helpful.</p></div>{html}",
		"attachment": [],
		"flagged": false,
		"summary": "Performance Gains Using TabGroup instead of Window",
		"creator": {
			"name": "cliftonlabrum",
			"key": "cliftonlabrum",
			"displayName": "Clifton Labrum",
			"active": true,
			"timeZone": "America/Los_Angeles"
		},
		"subtasks": [],
		"reporter": {
			"name": "cliftonlabrum",
			"key": "cliftonlabrum",
			"displayName": "Clifton Labrum",
			"active": true,
			"timeZone": "America/Los_Angeles"
		},
		"environment": null,
		"comment": {
			"comments": [
				{
					"id": "126839",
					"author": {
						"name": "mofle",
						"key": "mofle",
						"displayName": "Sindre Sorhus",
						"active": true,
						"timeZone": "Europe/Oslo"
					},
					"body": "{html}<div><p>So tabGroup is faster than navigationGroup (since it's in a\nwindow) ?</p>\n<p>If this is the case, the Titanium people should think about\ntweaking it, what's the point of using navigationController if\ntabGroup is a lot faster.</p>\n<p>Do you have any numbers on this?</p></div>{html}",
					"updateAuthor": {
						"name": "mofle",
						"key": "mofle",
						"displayName": "Sindre Sorhus",
						"active": true,
						"timeZone": "Europe/Oslo"
					},
					"created": "2011-04-15T03:04:02.000+0000",
					"updated": "2011-04-15T03:04:02.000+0000"
				},
				{
					"id": "214855",
					"author": {
						"name": "jyounus",
						"key": "jyounus",
						"displayName": "Junaid Younus",
						"active": true,
						"timeZone": "Europe/London"
					},
					"body": "Unable to see a difference using TiSDK 2.2.0v20120816015712.\r\n\r\nTicket marked as resolved.",
					"updateAuthor": {
						"name": "jyounus",
						"key": "jyounus",
						"displayName": "Junaid Younus",
						"active": true,
						"timeZone": "Europe/London"
					},
					"created": "2012-08-16T13:49:35.000+0000",
					"updated": "2012-08-16T13:49:35.000+0000"
				},
				{
					"id": "234327",
					"author": {
						"name": "ssekhri",
						"key": "ssekhri",
						"displayName": "Satyam Sekhri",
						"active": true,
						"timeZone": "America/Los_Angeles"
					},
					"body": "Similar performance noticed while using tabGroup and window\r\nVerified On:\r\nStudio: 3.0.1.201212181159\r\nSDK: 3.0.0.GA\r\niOS Device: iPhone 3GS(v5.1), iPhone Simulator6.0\r\nXCode: 4.5.2",
					"updateAuthor": {
						"name": "ssekhri",
						"key": "ssekhri",
						"displayName": "Satyam Sekhri",
						"active": true,
						"timeZone": "America/Los_Angeles"
					},
					"created": "2013-01-15T04:43:40.000+0000",
					"updated": "2013-01-15T04:43:40.000+0000"
				}
			],
			"maxResults": 3,
			"total": 3,
			"startAt": 0
		}
	}
}