unable to compute hash of

The problem with API 23 and Google Play Services is still not resolved.

Just in case you get something like “unable to compute hash of /intermediates/classes-proguard/release/classes.jar” – just add a few lines to the

-dontwarn org.apache.http.**

Stack overflow thread:
Star google bug:


Fresco is just awesome!

Although you may also want to read this thread:


Nice Shimmer library by Facebook


An easy, flexible way to add a shimmering effect to any view in an Android app.
590 forks.
4,025 stars.
8 open issues.
Recent commits:

original post:


– If somebody tells you they tested their website on Android, laugh evilly and show them this slidedeck

Awesome presentation!


Android Phone EditBox with validation and country flag

I haven’t found any good code snippet for Phone EditBox with nice country flags and validation. So I created my own version.

What I am talking about:

Continue reading

proguard-android.txt is missing

> \android-sdk\sdk\tools\proguard\proguard-android.txt

Wondering where is “proguard-android.txt” in the lates ADT (rev 23)?
No worries! The universe is not collapsing. It is just a packaging bug! 🙂

Download your own local copy or proguard-android.txt


Medium post about “Secret” infrastructure. It’s Google App Engine and Go! Unsurprisingly… it is created by Google Engineer:)

Read more:


Android Arsenal

That’s quite good collection!
“A categorised directory of libraries and tools for Android”

Contribute what you have in your bookmarks!:)


Foursquare like map animation (sliding panel) with ListView

If you are wondering how to achieve map and listview behaviour like in Foursquare – this post is for you.
Here’s a short video what I’m talking about:

Continue reading

Android Activity Lifecycle

This is very old topic. Back to 2009 – some day I promised to myself to read android javadoc method by method. I didn’t:) So even now from time to time I find interesting methods in interesting places. Like onUserLeaveHint() and onUserInteraction() in Activity (API v3).

Anyway, here is an interesting picture of complete Activity Lifecycle originally posted on G+. Just found it on reddit today.

complete android fragment activity lifecycle

just in case you missed it


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