Xamarin and CSharp

Xamarin and C#

Forms

Xamarin Forms Cards Demo

Maps Layout Async
 * Highlighting a Circular Area on a Map
 * Annotations and Overlays - Map Kit Walkthrough
 * Xamarin - WorkingWithMaps
 * GoogleMapsDirections
 * Xamarin - iOS samples - CoreLocation
 * ScrollView inside absolute layout not working (Relative Layout code ex.)
 * How to overlay an ActivityIndicator in the middle of a StackLayout programmatically (Absolute Layout code ex.)
 * How to show ActivityIndicator in the middle of the screen?

Activity Indicator Not working Xamarin.forms (async code block)

Plugins (tags: Extensions, SDK, Nuget, Github)

ACR User Dialogs Plugin for Xamarin and Windows (xplatform dialogs: Action Sheet (multiple choice menu), Alert, Confirm, Date, Loading, Login, Progress, Prompt, Toast (Snackbars), Time)

SQL
 * Easiest way of loading JSON data in SQL using C# (hint: uses XML)
 * Parent/Child DataRelation. The Basics.

JSON

File IO Images
 * Working with files in Xamarin.Forms
 * Windows 8 - Reading a StorageFile to a byte array in C# (StorageFile, IRandomAccessStreamWithContentType, OpenReadAsync, DataReader, byte [] array)
 * How to resize an image in Xamarin.Forms (iOS, Android and WP)?
 * How to Encode and Save a WriteableBitmap with Windows WinRT
 * Compress size of image to 250kb using xamarin.forms without dependency service (Win, iOS, Droid)
 * Xamarin.Forms.UriImageSource Class: An ImageSource that loads an image from a URI, caching the result.
 * Resize images and save thumbnails iOS, can be Extensions
 * BitmapImage to byte[ ]
 * Create, edit, and save bitmap images (Windows Encoder/Decoder)
 * How to use async and await methods in Xamarin.UWP interesting but possibly broken bitmap encoding