Cocoaの日々: UIScrollView - ページスクロールで空白を挟む
実装 実装してみよう。まずカスタムビューを定義しておく。 @interface CustomView : UIView { UIColor* color; } @end 初期化時にランダムもどきな色を決めてその色で塗りつぶす。 @implementation CustomView - (id)initWithFrame:(CGRect)frame { if ((self = [super initWithFrame:frame])) { // Initialization code CGFloat red = (rand()%255) / 255.0; CGFloat green = (rand()%255) / 255.0; CGFloat blue = (rand()%255) / 255.0; color = [UIColor colorWithRed:red green:green
iOS 4 app crashes at startup on iOS 3.1.3: Symbol not found: __NSConcreteStackBlock
I'm running Xcode 3.2.3 with the iOS 4.0 SDK. I built my app with Base SDK = iphoneos4.0, Active SDK = iphoneos4.0, Deployment Target = 3.1.3, and Architecture = standard (arm6 arm7). Compiler = GCC 4.2. As I understand it, this is the correct way to build an app for both iOS 4 and 3. The app runs fine on devices running iOS 4. But it crashes on startup when you try to run it on a device with iOS
High Caffeine Content
Another year, another series of incredibly-overpowered new iPads Pro, another round of '…shame the software sucks, though' reviews. But 'sucks' means different things to different people, and it's been a while since I put together an iPad manifesto so I thought I'd delineate where I think iPadOS is dropping the ball or needs improvement specifically from a core OS/developer perspective. Below are
iOS Fabric Texture Tutorial | nclud™
Swimming through the UI of the iPhone and iPad, you’ll discover that a fabric texture is repeatedly used for backgrounds. Any time you open a module that exposes detail, or peeks behind the main view, there will be the fabric. It’s a nice touch, a skeuomorphic visual cue. If you were to tear down the facade of the iOS user interface, behind it would be this fabric insulation. You can see the fabri
lovely ui
device: iphone / ipad / android / app icons / app store / badges / buttons / calendars / capture / coach mark / comments / compose / count / detail / empty states / feed / graphs / home / icons / launch screen / list / login / maps / media player / navigation / notifications / popovers / profile / search / settings / share / stats / walk throughs / trends: circles / gradients / ghost buttons / rai
Popover with embedded navigation controller doesn't respect size on back nav
I have a UIPopoverController hosting a UINavigationController, which contains a small hierarchy of view controllers. I followed the docs and for each view controller, I set the view's popover-context size like so: [self setContentSizeForViewInPopover:CGSizeMake(320, 500)]; (size different for each controller) This works as expected as I navigate forward in the hierarchy-- the popover automatically
petewarden/iPhoneTracker @ GitHub
This open-source application maps the information that your iPhone is recording about your movements. It doesn't record anything itself, it only displays files that are already hidden on your computer. Download the application Read the FAQ Authors Alasdair Allan (alasdair@babilim.co.uk) @aallan on Twitter Pete Warden (pete@petewarden.com) @petewarden on Twitter This application relies on map tiles
スマートフォンアプリデザインに役立つ 基礎のまとめ！
スマートフォンアプリデザインに役立つ 基礎のまとめ！：一撃デザインの種明かし（14）（1/4 ページ） 各キャリアが新Android携帯を続々と発表し、スマートフォンへの注目がますます盛り上がる中、アプリケーションも、iPhone／Androidともに展開するものが増えてきました。 そういった中で、本稿ではスマートフォンアプリのデザインのコツをまとめてみます！ iPhone／Androidともに展開しているアプリ3例 まずは、iPhone、Androidともに展開している有名アプリを3つ紹介します。それぞれのスクリーンショットを見ながら違いを探してみてください。 【1】クックパッド レシピの投稿と検索ができるアプリです。PCサイトの雰囲気はそのままに、トップ画面を旬のキーワードと履歴、検索ボックスのみに絞ったシンプルなUIになっています。要素とコンテンツを極力減らすことで、レシピ検索に集中
Assetライブラリを使用して、複数写真選択 « iPhoneメモ
する、ライブラリが、 https://github.com/elc/ELCImagePickerController で、公開されています。 で、iOS4.2.1で、検証したところ、シミュレータではきちんと動作するが、 実機で動作しない…。。 いろいろでもないけど、以下の様に修正したら、 動いたので、メモ。 - (void)selectedAssets { … [workingDictionary setObject:[UIImage imageWithCGImage:[[asset defaultRepresentation] fullResolutionImage]] forKey:@"UIImagePickerControllerOriginalImage"]; } ●ELCImagePickerController.mの -(void)preparePhotos { dispa
iPhone Application UI Design Patterns ~ Flyosity by Mike Rundle
Update: Changed the blog entry title to reduce confusion. The iPhone is one big constraint — no keyboard, small screen, few buttons — so designing applications for the iPhone is an exercise in building smart, simple software. Bloated apps on the iPhone? You won't find many. Most applications pick one feature or group of related features and centralize the product around that central theme. When Ap
Best practice to send a lot of data in background on iOS4 device?
I have an app that needs to send data (using POST) to a server. This function has to be on one of the NavigationController sub-controllers and user should be able to navigate away from this controller and/or close the app (only iPhone4/iOS4 will be supported). Should I use threads/NSOperations or/and send data using existing asynchronous methods? Any ideas/best practices how to implement this?
EXIF Orientation Flags and the iPhone Camera
Alright, I have a rant. Bear with me… Layers just came out this past Monday, and it has this great feature that allows you to add a layer to a drawing from your iPhone’s photo library. Simple enough - right? Apple provides the UIImagePicker API, we call a couple functions and get an image back. For most purposes, that would work great! Write some code, test, commit, done. The problem is, the picke
Resize a UIImage the right way — Trevor’s Bike Shed
When deadlines loom, even skilled and experienced programmers can get a little sloppy. The pressure to ship may cause them to cut corners and look for a quick and easy solution, even if that solution is sure to cause trouble later on. Eventually, their coding style devolves into copy and paste programming, a lamentable tactic that involves cherry-picking snippets of code from a past project and p
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