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A blog and website by Peter Bengtsson

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Battery life usage on an iPhone 3G(S)

27 July 2009 0 comments   iPhone


Batter life usage on an iPhone 3G(S) There's an app in the App Store called myBatteryLife which is cute. It shows you how much time you have left on your iPhone battery depending on what you do. It's missing basic standby time, variable to brightness level and it doesn't say anything about GPS but it does make it fairly obvious some basic facts.

A) You can listen to a lot of music before the battery runs out. This was NOT the case with my previous Nokia N95

B) 3G uses approximately twice as much power as Wi-Fi. (What about WPA/WEP encrypted WiFi networks?)

C) Watching a movies is half as power thirsty as surfing the web.

I listen to news podcasts and Last.fm in the morning when cycling to work so clearly I know what not to do if the charging stations are far apart.

Judging by how rounded these figure are I guess it's fairly guesstimates. I'm currently running a Powerlog and once that file's gotten fat and levelled I'll butcher it with some scripting and try to come up with something more realistic and accurate. Watch this space.

My first iPhone web app - Crosstips iPhone interface

01 July 2009 2 comments   iPhone

http://crosstips.org/iphone/


My first iPhone web app - Crosstips iPhone interfaceI've just finished my first fully iPhone enable web app (not to be confused with iPhone app which are installed onto the phone via App Store). It's here:

crosstips.org/iphone

It's basically a wrapped version of Crosstips that uses these sample resources to imitate a native app but in the Safari web browser.

It works really well and wasn't too hard to do. I think the key is to remember that the iPhone Safari is after all a web browser but it also has excellent support for AJAX (and jQuery). There are probably some bugs that I have spotted yet and there is work on the optimization but for now I'm happy.

So, if you like to solve crosswords in bed and you have an iPhone then bookmark crosstips.org/iphone