Geek Night Tours

Geek night tours Build Tools Thoughtworks


I attended Geek Night Tours. It was sponsored by ThoughtWorks.

Experts Suvish and Mushtaq covered a lot of things about Gradle and SBT as build tools.

It gave a brief introduction to continuous integration and build automations. Since, I work and prefer .NET - my intentions of attending was:

  • Why shall I set-up a separate build server when I can do a simple Ctrl + Shift + B in Visual studio?
  • I personally have built a large .NET solution with multiple projects with ~50k+ SLOC which doesn’t take more than 2-3 minutes, it’s quite fast. So what is the reason of using a separate build infrastructure?
  • I can already build and verify the dependencies inside VS. What is build server trying to build already build and verified solution?

Although .NET was not specifically focused. However, I understood that Gradle can be used for .NET as well however it might need some plugins. A few more take aways:

Continous integration

Continuous Integration (CI) is a development practice that requires developers to integrate code into a shared repository several times a day. Each check-in is then verified by an automated build, allowing teams to detect problems early. source

Here is a simple use case, in my own words:

  • Make a commit to git source control
  • Source control pushes notification (or CI server polls from source control) to build server
  • Build system builds the project along with dependencies (e.g. .dlls for a .NET solution)
  • Build system publishes the repository to production (e.g. to IIS server)

One can read and read a lot about it, however the best way to learn something is to see it in action.

The summary of May’28 edition is:

Part 1: Agile game

Moral of the story:

  • We need to be in continuous contact with the client
  • Product owner / client are more of like becoming the part of the dev team
  • The tasks need to be divided evenly based on the skill sets
  • Planning is most important
  • Agile methodology reduces wastage

Part 2: Android apps ready for N

Important points:

  • There are Android apps for reducing battery usage (app level)
  • To reduce battery usage, Android will provide ways at the platform level
  • The biggest culprit for battery waste is connectivity changes (wifi to broadband and vice versa), N will use job schedulers for solving this problem
  • They’ve removed system level broadcast, the speaker suggested content resolvers
  • Google forcing devs to start optimizing their apps because Android will not support implicit broadcasts
  • There’re 3 types of services in Android
    1. Bound
    2. Foreground
    3. Unbound
  • Android will stop supporting unbound services
  • Multi window support is provided at the platform level
  • Uses Android:resizableActivity:true in app manifest for multi window support, all apps no matter what version of Android will have this property set to true
  • To make sure that the apps run in correct window (single or multiple) devs need to make sure that this property is set
  • To show new windows open in the adjacent window use property FLAG_ACTIVITY_LAUNCH_ADJACENT
  • Question: How to decide a screen is in landscape or portrait mode?
  • Ans: Landscape : width size is large and same concept for portrait
  • For Android N, devs are forced to code different layouts for different screen orientations (landscape and portrait), this was not needed till now

Part 3: View debugging in iOS and other magic

The speaker shown some hacking the UI of a jail break iPhone using AppReveal.

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