Exploring iPhone Graphics Part 3
Monday, May 5th, 2008 Posted in Software Development, iPhone | No Comments »Last time we created a simple iPhone application that made a ball bounce around the screen. This time we are going to extend the last example to use the accelerometer to create a gravity influence on the ball. So as ...
Exploring iPhone Graphics Part 2
Friday, April 25th, 2008 Posted in Software Development, iPhone | No Comments »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 ...
Plotting a Sine Wave with the iPhone SDK
Thursday, April 17th, 2008 Posted in Software Development, iPhone | 2 Comments »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: #define PI ...
Exploring iPhone Audio Part 7
Tuesday, April 15th, 2008 Posted in Software Development, iPhone | 16 Comments »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 ...
Exploring iPhone Audio Part 6
Monday, April 14th, 2008 Posted in Software Development, iPhone | 1 Comment »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 ...
Exploring iPhone Graphics Part 1
Wednesday, April 9th, 2008 Posted in Software Development, iPhone | 13 Comments »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 ...
Exploring iPhone Audio Part 5
Saturday, April 5th, 2008 Posted in Software Development, iPhone | 4 Comments »Part 4 of this series talked about writing recorded audio data to a file. In this article we will set create a very simple user interface so we can control the audio functions. We are going to add a UILabel control ...
Xcode Tips: Selection indent and Block select
Saturday, April 5th, 2008 Posted in Software Development | No Comments »When working in Visual Studio I find myself using the selection indent/un-indent editor feature a lot. You can select some lines of code, press tab and all the lines will indent. You can also press shift-tab to un-indent the selected ...
Exploring iPhone Audio Part 4
Wednesday, April 2nd, 2008 Posted in Software Development, iPhone | 1 Comment »In Part 3 of this series of articles we created the AudioInputCallback function that does nothing more than log that it is being called. In this article we'll learn how to create an audio file in the Document directory of ...
New iPhone SDK Available for Download
Thursday, March 27th, 2008 Posted in iPhone | No Comments »Version 9a2151 of the iPhone SDK is available from the Apple iPhone Developer web site. This version includes the much awaited Interface Builder tool for building graphical interfaces visually.
