In Part 1 of this series of articles we drew some simple graphic primitives on the iPhone display. In this article we are going to look at how to do some simple animation. The goal of this example is to create a 2D ball that bounces around the iPhone screen. First of all we need [...]
Posts Tagged ‘iPhone’
iPhone OS Beta 4 Install Problems
April 24th, 2008 
Richard Getting the Beta 4 OS (build 5A258f) for iPhone or iPod Touch onto your device has a glitch and the install will not work. Restoring the OS from the Xcode Organizer will get stuck before the OS in even installed. When the device is rebooted it will appear as a second device with no information [...]
iPhone Beta 4 Released
April 23rd, 2008 Richard Apple has released Beta 4 of the iPhone SDK and the iPhone/iPod Touch OS. The SDK build number is 9M2165 and the OS build number is 5A258f. New in the release is OpenGL ES support to the iPhone Simulator!
Plotting a Sine Wave with the iPhone SDK
April 17th, 2008 Richard Got the following request from Leo on the Exploring iPhone Graphics Part 1 article: Could you give me a quick primer on how to draw a sinus curve (or similar curve) with the data coming from an array? Here it is: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 [...]
Posted in iPhone 
Tags: Core Graphics, Graphics, iPhone, SDK, Sine, Software Development 
3 Comments »YouTubage: iPhone Star Trek Mods
April 17th, 2008 Richard Another new type of post. YouTubage! Posts about interesting YouTube videos. The iPhone hacking community has done some really cool stuff. Here are some video’s demoing iPhone’s that have their UI modded to look like Star Trek computer screens.
Exploring iPhone Audio Part 7
April 15th, 2008 Richard In the last article of this series we started looking at iPhone audio playback. This time we are going to see how to actually play an audio file that our applicaiton has recorded. The startPlayback method sets everything up for audio playback and starts the playback process. 1 2 3 4 5 6 7 8 [...]
Exploring iPhone Audio Part 6
April 14th, 2008 Richard In Part 5 of this series we added a simple user interface to control the audio recording process. A UILabel was added to display the status. Also two buttons were added to control both recording and playback. Up to this point we have only discussed recording audio. This article will begin to see how to [...]
UIImagePickerController Now Works on Device
April 9th, 2008 Richard In the Picking Images with the iPhone SDK UIImagePickerController article I gave some sample code using the UIImagePickerController to get images from your photo library and use them in your application. This code worked great in the simulator but would crash on my development iPod Touch. Beta 3 has fixed this issue. I can pick [...]
Exploring iPhone Graphics Part 1
April 9th, 2008 Richard The series of articles is going to discuss creating graphics on the iPhone using the SDK. Part 1 will start out with the basics by drawing some simple 2D graphics. In later articles I plan to get into animation, using the accelerometers and maybe even a little OpenGL. The sample application for this article is [...]
iPhone SDK Beta 3 Released
April 8th, 2008 Richard Apple has updated the iPhone DevCenter with beta 3 of the SDK and iPhone/iPod Touch OS. The SDK build number is 9M2158a and the OS is build 5A240d. Where do they come up with these build numbers? The SDK is 1.37G and the OS is 193MB. What’s new in this release: “Beta release 3: The [...]
