Caching content for iPhone webapp

January 29th, 2010

This post is still in progress; I haven’t gotten caching to work well yet. Loading...Every time I load my iPhone webapp I have to wait for it to download ~100 images and buttons. I’ll be closing and opening this app lots, so I’m trying to turn local caching on for all these images.

This article has gotten me started.

First of all I generated a cache.manifest file. Ideally, I want to cache anything within specific folders (images folders) but I couldn’t see anything that lets you use wildcards in the manifest. I’ll come back to trying this once I get a basic cache working, so for the time being I used a string of UNIX commands to generated a list of the files in my image directories, and stick it in my base manifest file. Read the rest of this entry »

Building an iPhone webapp

January 28th, 2010

This post is in progress.

Making updates and retrieving data after the initial load needs to be done using ajax. If you try to load another web page from a webapp, the iPhone takes the user into safari.

Apple have good details of the meta tags you can use to customize how iPhone handles your webapp. Read the rest of this entry »