Tool and processes we use to build apps quickly and to a very high standard.

1. Tools and processes we use to build
apps quickly and to a very high
standard.
Timur Garifzyanov

2. 1. Badoo
2. Windows phone at Badoo
3. Architecture, tools, patterns

3. Badoo

4. Badoo - 269,570,384 registered

5. 190 countries

6. +250 employees who speak 46 languages

7. Moscow and London

8. Technologies

9. Mobile 80% - Web 20%

10. Platforms

11. User Profile Current World
Region
Android iOS Windows
AFRICA
5% 1% 6%
APAC
1% 2% 0%
ASIA
7% 5% 7%
EURO
41% 42% 42%
LATAM
21% 6% 33%
MENA
9% 7% 3%
NAMER
17% 37% 9%

12. Windows phone at Badoo

13. OS Percent
8.10 84.7
8.0 8.07
7.10 6.32
10.0 0.94

14. Windows Phone – 678,000 monthly

15. 2m sessions daily

16. Average rating is 4.5 stars

17. 2 developers + 2 QA

19. Experimental platform

20. Architecture, tools, patterns

21. Easily change anything

22. Don’t break things

23. Async/await

24. async/await is great
var image = await new ImageDownloader().Download(LargeUrl);
ImageSessionCacheService.Put(ImageCacheService.GetCacheKey(LargeUrl), image);

25. Every page is a function

26. Modal window service
await ModalWindowService.ShowAsync<UploadPhotoPage, List<Photo>>(params);

27. xaml

28. App.xaml
<Application.Resources>
<ResourceDictionary>
<state:UserState x:Key="UserState" />
</ResourceDictionary>
</Application.Resources>

29. Menu
Text="{Binding Person.Name, Source={StaticResource UserState}}"

30. Behaviors
<i:Interaction.Behaviors>
<behaviors:ManageImageBehavior IsBlured="True" Source="{Binding Url}" />
</i:Interaction.Behaviors>

31. Triggers
<ec:DataTrigger Binding="{Binding PromoBlockType, ElementName=UserControl}“ Value=“1”>
<ec:ChangePropertyAction PropertyName="Visibility" Value="Visible" />
</ec:DataTrigger>

32. Styles
<Style x:Key="PhotoPlaceholder“>
<Style x:Key="TopBarStyle“>
<Style x:Key="PopularityControlStyle“>

33. Content Templates
<conditional:ConditionalControl>
<conditional:IfFeatureEnable FeatureType=“FEATURE">
<DataTemplate>
<Button Width="328“>
</Button>
</DataTemplate>
</conditional:IfFeatureEnable>
</conditional:ConditionalControl>

34. Content Templates
<conditional:ConditionalControl>
<conditional:IfAbTestVariation TestId=“1” VariationId=“2”>
<DataTemplate>
<Button Width="328“>
</Button>
</DataTemplate>
</conditional:IfAbTestVariation>
</conditional:ConditionalControl>

35. C# 6

36. Null-conditional operators
If (Object != null && Object.Field != null && Object.Field.Field != null
&& Object.Field.Field.Enabled)
{
Action();
}

37. Null-conditional operators
If (Object?.Field?.Field?.Enabled == true)
{
Object.Field.Field.Action();
}

38. Nameof
OnPropertyChanged(nameof(Property))

39. Jira
Telerik
FxCop
TeamCity
StyleCop
Resharper
Visual Studio 2015

40. We are hiring

41. 7500£

42. Contacts
Timur Garifzyanov
Windows Phone Team Lead
t.garifzyanov@corp.badoo.com & garifzyanov@gmail.com & @garifzyanov_tim