Online Android Development Tutorial / Beginner's Guide? [closed]

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Is there a decent online Android development tutorial out there? It seems hard to come by one - I've tried android.developer.com, but the information seems to be scattered and often wrong. I've tried a couple other tutorials (like http://www.codeproject.com/KB/android/AndroidGuide.aspx) and there seem to be errors in every one, as if the author didn't actually try running the program themselves. I'm getting a little frustrated and am looking for a quality guide to android development. Maybe I just have to buy a book.

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This is a good tutorial http://www.vogella.de/articles/Android/article.html

Then you can find lots of java tutorial and help on the web

Most of the Android-development-tutorial are oriented in some aspects of development Some are really general like "Hello World" and the others show you a certain part of android development (layout, service, ...)

Don't forget, Google is your friend if you give him the good words