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Optimizing Appcelerator's Titanium
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/** | |
* Test #1 | |
* Adding 10,000 Ti.UI.TableViewRows to a Ti.UI.TableView | |
* The rows have the Ti.UI.iPhone.TableViewCellSelectionStyle.BLUE constant in them | |
* | |
* Total time in my Mac: 1228ms | |
*/ | |
var win = Ti.UI.createWindow({ | |
backgroundColor: '#ccc' | |
}); | |
win.open(); | |
var table = Ti.UI.createTableView(); | |
win.add(table); | |
// Start the timer | |
var time = new Date().getTime(); | |
// ========================================== | |
var data = []; | |
for(var i = 0; i < 10000; i++){ | |
data.push( | |
Ti.UI.createTableViewRow({ | |
title:'Row #'+i, | |
selectionStyle: Ti.UI.iPhone.TableViewCellSelectionStyle.BLUE | |
}) | |
); | |
} | |
table.setData(data); | |
// ========================================== | |
// End the timer | |
var end = new Date().getTime(); | |
Ti.API.info('It took ' + (end - time)+'ms'); | |
// 1228ms |
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/** | |
* Test #2 | |
* Adding 10,000 Ti.UI.TableViewRows to a Ti.UI.TableView | |
* A JavaScript variable holds the Ti.UI.iPhone.TableViewCellSelectionStyle.BLUE constant | |
* That variable is then passed to the rows, this way we don't call Ti every time | |
* | |
* Total time in my Mac: 826ms | |
*/ | |
var win = Ti.UI.createWindow({ | |
backgroundColor: '#ccc' | |
}); | |
win.open(); | |
var table = Ti.UI.createTableView(); | |
win.add(table); | |
var SELECTION_STYLE_BLUE = Ti.UI.iPhone.TableViewCellSelectionStyle.BLUE; | |
// Start the timer | |
var time = new Date().getTime(); | |
// ========================================== | |
var data = []; | |
for(var i = 0; i < 10000; i++){ | |
data.push( | |
Ti.UI.createTableViewRow({ | |
title:'Row #'+i, | |
selectionStyle: SELECTION_STYLE_BLUE | |
}) | |
); | |
} | |
table.setData(data); | |
// ========================================== | |
// End the timer | |
var end = new Date().getTime(); | |
Ti.API.info('It took ' + (end - time)+'ms'); | |
// 826ms |
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/** | |
* Test #3 | |
* Adding 10,000 JavaScript Objects to a TableView | |
* A JavaScript variable holds the Ti.UI.iPhone.TableViewCellSelectionStyle.BLUE constant | |
* That variable is then passed to the Object, this way we don't call Ti every time | |
* In this test, I have an object instead of a Ti.UI.TableViewRow | |
* | |
* Total time in my Mac: 460ms | |
*/ | |
var win = Ti.UI.createWindow({ | |
backgroundColor: '#ccc' | |
}); | |
win.open(); | |
var table = Ti.UI.createTableView(); | |
win.add(table); | |
var SELECTION_STYLE_BLUE = Ti.UI.iPhone.TableViewCellSelectionStyle.BLUE; | |
// Start the timer | |
var time = new Date().getTime(); | |
// ========================================== | |
var data = []; | |
for(var i = 0; i < 10000; i++){ | |
data.push({ | |
title:'Row #'+i, | |
selectionStyle: SELECTION_STYLE_BLUE | |
}); | |
} | |
table.setData(data); | |
// ========================================== | |
// End the timer | |
var end = new Date().getTime(); | |
Ti.API.info('It took ' + (end - time)+'ms'); | |
// 460 |
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