Posts in the Android category



Segregating Android Phone Models between Docker Containers

We wanted to move our Android device tests to a Linux host: it’s cheaper hardware, and we find that our Mac Mini build machines tend to fumble Android USB connections, making phones mysteriously vanish in the middle of a test run. We mostly use Docker containers to manage our Linux…

Shake Detector for Android with RxJava

It all began when I had the task of undoing a user action in the app when the device was shaken. The main problem was how to know that a shake had occurred. After a couple of minutes of searching, it became clear that one should subscribe to accelerometer events…

Pardon My French - Introducing Chateau

Being a social networking platform, providing a great chat experience is at the core of what we do at Badoo. However, the meaning of “a great chat experience” is constantly evolving, and the major chat applications keep adding new features to stay competitive and enhance user experience.

JaCoCo coverage in Cucumber on Android

In an ideal world, all requirements would be specified clearly, comprehensive tests would be derived from those requirements, and the whole of the application would be tested. In practice, we’re only human.

Testing Android notifications in Calabash

It’s generally understood that Calabash can only operate controls that are part of the application it’s testing, but this limitation is particularly annoying with status bar notifications.

Better Memory Dumps on Android

This is a follow-up on the previous article about Deobfuscating HPROF memory dumps. Reading that article isn’t a requirement, some knowledge of the HPROF file format is useful.

Calabash Android - Unleash the power of Query

Calabash provides query method to get views/elements from screen. But query can do more than this. In this post, I’ll go through a few operations we can perform using the query method invocation option. This can be used for a range of tasks from updating simple views to calling system…

Deobfuscating HPROF memory dumps

According to Crittercism 1, the second most common crash reported in Android apps is java.lang.OutOfMemoryError, so it stands to reason that analyzing these crashes should be one of the top priorities for any Android developer. If you are analyzing memory dumps from a debug build or if you are not…

Android Handler Memory Leaks

Android uses Java as a platform for development. This helps us with many low level issues including memory management, platform type dependencies, and so on. However we still sometimes get crashes with OutOfMemory. So where’s the garbage collector?