I have downloaded the last Android Api 21 using Sdk Manager, and I have deinstalled the L Preview.
This is the sdk's situation :
But when I go to open a new project in Eclipse, the last Android 5 doesn't appear in the options :
In the Eclipse's preferences this is the Android's settings :
Is it normal ? Why Android 5 doesn't appear ? :(
Yeah it's normal. It's just because with the latest update they didn't upgrade Eclipse (ADT). I think the Eclipse support is not the best now because Google is moving on Android Studio :(