Issue #98

April 20th, 2014

Articles & Tutorials

Link Bild Mastering ProGuard for Building Lightweight Code (

At Crashlytics, we’ve spent a lot of time leveraging ProGuard to develop lightweight libraries, helping developers ship awesome products. For those of you looking to build lightweight apps/libraries, here're a few strategies we crafted to help you optimize your interaction with ProGuard. Enjoy!


Bluetooth LE – Part 2 (
In this article, Mark Allison defines the Service / Activity architecture that he's going to use to ensure that Bluetooth operations remain decoupled from the UI.

Handy adb commands for Android (
Here are some useful commands for Android's adb. They can be used manually or to automate your build or testing process.

The Complete Activity/Fragment Lifecycle Chart (
After struggling with trying to figure out how various pieces fit together, Steve Pomeroy did some research and put together the complete Android Activity/Fragment lifecycle chart.

Simulating Activity Configuration Changes (
In case you didn't know this method existed... Alex Lockwood writes about the Activity.recreate() method.

A Performance Comparison Between Java and C on Nexus 5 (
This article takes a look at a DSP filter adapted from coefficients generated with mkfilter, and compare three different implementations: one in C, one in Java, and one in Java with some manual optimizations.


Link Bild The Most Powerful Android Crash Reporting Solution (

Spend less time finding & more time fixing crashes. Crashlytics provides deep and actionable insights -- even the exact line of code your app crashed on, in real-time. Trusted by apps like Square, Yelp & Path, we offer unlimited developer seats at no cost! Enjoy it on us.



Some of our favorite #AndroidWear ideas from the commun (
Roman Nurik highlights some interesting Android Wear designs found around the web.

An open source icon set with 218 marks in SVG, webfont and raster formats

Fireside Chat: Android Design (
Matias Duarte, VP of Design, Android sits down to talk design with Josh Topolsky, Editor-in-Chief, The Verge

Libraries & Code

DraggablePanel (
Android library used to create an awesome Android UI based on a draggable element similar to the last YouTube graphic component.


Droidcon Berlin 2014 (
Droidcon is all about Android, meeting the Android community, learning about the latest develops and giving you a stage to talk about your apps and solutions or just discuss a problem you are facing. Sebastian and Martin from the Android Weekly Team will also be at the BarCamp on Saturday!

Link Bild Take 10 Minutes for this Developer Survey (

VisionMobile has launched a new app developer survey and is looking into opportunities and challenges in the app market. The results of the survey will be available as a free research report in July, while respondents can win great prizes, including an iPhone 5s, a Galaxy S5, a Sphero, a Lego Mindstorm robot, a Raspberry Pi Ultimate Starter Ki, a Das Keyboard - and more!



Android Studio 0.5.5 Released (
Some changes include new resource type inspection, support for the new annotations which shipped with the most recent version of the support library, and many more.


Port apps to Nokia X (
Nokia X, launched at Mobile World Congress in Barcelona in February, is a new platform and family of smartphones which targets the growing demand for affordable smartphones, primarily in growth markets. Android apps can be adapted to run on Nokia X devices with just a few adjustments. At droidcon, Nokia offers app developers to help them port their apps to the new platform.