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Tag Archive for ios

Data structures for storing finger/stylus movements in drawing application?

I have a general question about creating a drawing application, the language could be C++ or ObjectiveC with OpenGL.
I would like to hear what are the best methods and practices for storing strokes data.
Think of the many iPad apps that allow you to draw with your finger (or a stylus) or any other similar function on a desktop app.

Use Android NDK for portability with iOS?

I am currently planning to implement a little painting app using OpenGL ES 1.1. I believe this question applies to any OpenGL ES project. I am starting development on Android and I would like to know if you would recommend writing the drawing logic (using OpenGL) in C++ with the NDK so it will easier to port to iOS, or to use the Java API and being locked on Android.

Why does XCode convert PNGs to CgBI format?

According to the research done here http://imageoptim.com/tweetbot.html, Xcode’s conversion of PNGs to the proprietary Apple CgBI format does not create a noticeable performance improvement. Their claim is that the conversion only reduces PNG loading speed by 1 nanosecond.

Should I open Source my iOS application?

I developed an iOS application as a student and I am currently distributing it for free in the app store. I have received a few enquires about adding features to the app including one person who would like the app to be open source so they can add features themselves.

iOS app with a lot of text

I just asked a question on StackOverflow, but I’m thinking that a part of it belongs here, as questions about design pattern are welcomed by the faq.

Can python and php work together?

I am having a mobile app created for ios. The developers built the app in php. The app requires an algorithm so I found another programmer to develop it. The algorithm programmer built the algorithm in python. The developers refuse to finish the app because they say it won’t work with python, while the programmer insist it will. The programmer says put the algorithm in its on server and connect then over http. Will this work and I’d so how risky is it to future problems?