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my public key: https://keybase.io/pretz; my proof: https://keybase.io/pretz/sigs/38mbvDS7AnGctA1flNpg0B1cvP1aTQDxLc0_lD9uIAc
There are a number of other blogs floating around, notably the official Android Dev blog which has only recently started making meaty posts, and Romain Guy's blog, which unfortunately is largely outdated.
Where do you go for new techniques and perspectives on Android development?