Posts Tagged 'Programming'

BarTint

Here’s a handy-looking little tool called BarTint for playing with your interface colours:

BarTint is a tool for developers and designers of iPhone apps, to assist in the visualization of the various bar-type objects (toolbars, navbars, segmented controls) when a tint color has been applied to them.

Because of the gloss and caustic shader applied to these objects, when you specify a color, you don’t necessarily get what you think you’re going to get. BarTint takes the guesswork out, letting you see exactly what a color combination looks like on the device, and allows you to forward the Objective-C required to produce that UIColor to yourself over email…

BarTint.jpg

Very nice, very nice. And FREE, no less!

XPilot

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Generating Barcodes

So, you want to generate barcodes on your iPhone screen?

OK, well neither do we at the moment, or any time in the past for that matter; but just in case the idea ever comes up, here’s a new library (well, a new port) for you:

Cocoa-Touch-Barcodes

This is a fork of Jeff Lamarche’s Cocoa Barcodes project, with the code modified to work on the iPhone and iPad. In my testing, a CCD and laser scanner can read UPC and Code 128 barcodes directly from the screen w/ no issue…

Handy if you need it!

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Icon template

[UPDATE: Now points to the iPhone 4 savvy version!]

Here’s a handy template for your iPhone and iPad icon design needs:

ists
iPhone-4-icon-PSD.png

- 512 pixels, iTunes Store style (Caution: very ugly. Talk to Apple about that, not me.)


- 512 pixels, iPad style (either have different overlays. Who’d have thought?)


- 512 pixels, iPhone style.


- 72 pixels for iPad home screen.


- 57 pixels for iPhone home screen.


[UPDATE: -114 pixels for iPhone 4 home screen!]

- 48 pixels for iPad Spotlight (with Spotlight background).


- 29 pixels for iPad / iPhone Settings and iPhone Spotlight (with both backgrounds).

Yes, it is getting complicated these days, isn’t it?

h/t: MacFanatic!

UPDATE:

And here is a post about another icon template for Illustrator CS 5; and if you’re wondering about appropriate sizes for icons for Android, Linux, Windows, Safari, or anything else, check out their

Icon Reference Chart

And here is a script, iPhone-Photoshop-JSX-Icon-Exporter, to create all the needed sizes from one 512×512 icon.

And here is iOS Icon Template for Perfectionists, reputedly correcting a corner issue with the above template.

And finally, QA1686 App Icons on iPad and iPhone is where you should go for the current Final Word™!

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Data Entry Screens

Here’s a worth reading post on how to make data entry screens that center the current entry field above the keyboard by simply using a UIScrollView, instead of the mess of hardcoded animation blocks that we’ve been using up ’til now:

How To Create A Data Entry Screen

Couple problems with the code as presented, but read to the end of the comments and apply the keyboard notification responses there and you’re just about good!

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UITableViewCell from nib warning

If you’ve been reading for a while you might recall this post about loading your UITableViewCell layout from a nib. Or perhaps you stumbled across that somewhere else, or even came up with it on your own; well, if you have been doing that, turns out there’s an additional wrinkle you need to be aware of:

… The key here is that the CellIdentifier value must also be entered into Interface Builder, like this:

UITableViewCell-Identifier.png

If you don’t do this, then UITableViewCells will not be reused. (A telltale sign of this is that you’ll see lots of “creating a new cell” log messages.) There is no compiler or runtime warning if you fail to enter this critical piece of information into Interface Builder. So that log statement can be a useful warning…

Yes. Yes, indeed, if you have several thousand items in your list, and you’re loading directly from the nib each time, that could be very very bad. Be careful out there!

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Compleat UI Design

OK, we’ve mentioned various UI design helpers here and there before: but this, this is veritably canonical.

iPhone and iPad Development GUI Kits, Stencils and Icons

Within this post you will find complete GUI kits and stencils, iPhone GUI elements and PSDs and finally a collection of the best icon-sets perfectly suited for the iPhone…

Right up to date with the iPad GUI PSD we mentioned a little while ago, so looks like that’s the best current reference to point your Photoshop-using artist friends at.

h/t: @mattgemmell!

UPDATES:

How about Apps-on: Post-It notes for your iPhone design? (h/t: iPhoneFlow!)

Or MobileSketchbook.com’s iPad Stencil, to go with their iPhone version?

Or just download some iPad & iPhone Sketch Paper PDFs.

Or try iPhone Wireframe Kit – Google Docs online.

Like to do your prototyping on the actual phone? Check out Dapp.app.

And here’s a newer roundup: 11 UI Kits for iPhone and iPad Development!

And one to start out 2011: 50 Free iPad, Iphone Icons, Tutorials and PSDs

These Keynote/Powerpoint templates look interestlng: Keynotopia

This presentation/prototyping tool could be good for client work: Realizer

20 Free UI Kits For iPad Development

iOS 5 GUI PSD (iPhone 4S)

Useful Collection of iOS Tools and Resources for Designers

30+ tips to improve your iOS design workflow (in Photoshop)

Rounded Rectangle Radius Resizer

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Libraries & Frameworks

So if you’ve tried to create static libraries and/or frameworks to share between your iPhone and desktop app versions, no doubt you have noticed that the process is fraught with peril, to put it mildly. Here are a couple of fine tutorials to help you out with that:

Universal Static Libraries

Making Your Own iPhone Frameworks

We’d manage to puzzle out non-universal static libraries on our own, but the frameworks, ah now that is the really tricky bit. We do rather like the closing comment

… I find this whole thing really fascinating and once you understood the parts to the whole process it does not feel that difficult any more …

Well, we’ll agree that following the provided instructions isn’t that difficult, yes. Compared to how difficult it should be to do this, that’s another story!

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Google Analytics

So chances are that you have some vague awareness of Google Analytics, even if only at our level of click, click, and there’s Google Analyticator plugged in and doing its magic of letting us know that you, you average person you, view 1.30 pages/visit during your 00:01:43 average time on site, and other such utterly not fascinating trivia which presumably there might be some reason we might care about someday.

But whatever, it’s more interesting to get some feedback on how people are using your app, and if you want to use Google Analytics for that too, here is a very nicely detailed walkthrough for you:

How To Integrate Google Analytics Tracking Into Your Apps In 7 Minutes

Of course, we would be remiss to not promptly point out that you may not want to do that at all, as the other big change in the latest Developer Agreement that most Flash-fixated fellows have forborne to comment upon so you might have missed, is

… Device Data may not be provided or disclosed to a third party without Apple’s prior written consent. Accordingly, the use of third party software in Your Application to collect and send Device Data to a third party for processing or analysis is expressly prohibited…

It’s not 100% clear what exactly qualifies as “Device Data” … but we’ll be sure to keep you as top on it as we are!

h/t: iPhone OS Development Blog!

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Flash on iPhone

Okay, all you Flash-lovers, this one is for you.

Flash on iPhone is now a possibility. Sort of.

The Gordon JS library aims to provide a javascript interpreter to replace the Adobe Flash runtime. The advantage is existing Adobe Flash documents will bypass the Flash runtime itself (which is what is banned from the AppStore) and instead directly execute through Javascript, which is allowed…

All our best with that!

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Particle Designer

Here’s an amusing way to while away some time: Particle Designer 1.1, a tool for designing — and sharing! — particle emitter configurations for the iPhone:

  ParticleDesigner.png

The idea behind this is

… I decided to create a desktop app that would allow you to visually design your particle emitter.



In SLQ the particle emitter is configured using an XML file. The Particle Designer I’m creating allows you to play with all the different settings supported by the ParticleEmitter class and then creates the XML config file. This file can then be used inside your iPhone projects that use the ParticleEmitter class.

This has taken playing with particles to an all new level and I’ve spent WAY too long just playing…

Yes. Yes, indeed, playing with these has a quite remarkably gripping quality to it. Right now that’s all it’s good for actually, you can’t save your designs until the tool goes commercial — but the sheer shininess that this particle emitter stuff adds to your interface is going to make it worth pretty much whatever they charge, we have no doubt!

UPDATES:

UIEffectDesigner designs effects showable easily in UIKit or OS X apps!

How to create particle system game effects with UIEffectDesigner Part 1 of 2

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