Input validation could be very painful. Building forms, in every technology, is a boring and painful job. Fortunately on the web many libraries have born in order to facilitate this task to web developers. In android there are, built-in, some …

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It happens you need to execute some piece of code only on the first time the user start using your app. Lets say you want to show a quick tutorial to the user just once — Indeed, when the user …

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Sooner or later you'll have to deal with it. If you're an html developer and you write also in javascript you'll surely know the onchange event. Unfortunately it's a little bit tricky to find the same event on android. The …

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Since it was a little hard for me finding it, here you can find the trusted CAs in Android 2.2 Froyo. In order to get my result on each android device you've to download this file and place it on …

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I just figured out how to write an sms without sending it really on android froyo 2.2 using the content provider. I'll write only the snippet here. Hope it helps Obviously you should set the right permissions on the manifest …

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Since i started developing applications for android i noticed there were some undocumented apis. Google does reccomend to not use these apis but since there are no "other nice ways" to achieve some tasks sometimes they are useful ( but …

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Today i surfed the web searching about guidelines and best practices on writing android apps. In this in-depth search i found some useful slides and tips: 1. Android Ui Design Guidelines A slideshare with some usefull tips about android ui …

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