Google SubramanyamRaju Xamarin & Windows App Dev Tutorials

Monday, 28 May 2018

Xamarin things introduced at Build 2018 (7th May - 9th May)

Introduction:
They were so many exciting things for developers introduced in Microsoft Build 2018 about Microsoft products and technologies, including Xamarin.  

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Saturday, 19 May 2018

Xamarin.Forms 3.0: Styling apps using Cascading Style Sheets for beginners tutorial (C# - Xaml)

Introduction:
You may heard that Xamarin.Forms 3.0 introduces the ability to style an app using Cascading Style Sheets (CSS). We can create a style sheet that consists of a list of rules, with each rule consisting of one or more selectors and a declaration block. A declaration block consists of a list of declarations in braces, with each declaration consisting of a property, a colon, and a value. When there are multiple declarations in a block, a semi-colon is inserted as a separator.



Sunday, 1 April 2018

AppSettings: How to store user settings in Xamarin.Forms? (C# - Xaml)

Introduction:
Settings plugin makes it easier to create cross-platform .NET apps and have cross platform settings. Manage and use all settings from one PCL/NetStandard library and save natively on each platform. Also this plugin stores settings natively on each platform and does NOT save them to Json. This allows you to use native functionality such as SharedPreferences on Android and NSUserDefaults on iOS.

Tuesday, 27 March 2018

Using MvvmCross in Xamarin Native Project (Xamarin.Android, Xamarin.iOS)

Introduction:
MvvmCross is a cross-platform MVVM framework that enables developers to create powerful cross platform apps. It supports Xamarin.iOS, Xamarin.Android, Xamarin.Mac, Xamarin.Forms, Universal Windows Platform (UWP) and Windows Presentation Framework (WPF). 
When we take a look at the basic architecture patterns of Xamarin.Forms, we see some of the same concepts of MvvmCross. Forms implements Mvvm as well, and offers built-in support for Dependency injection, multiple Navigation patterns, Data-binding and messaging between loosely coupled components. Also this allows us to move the ViewModels to a portable project (PCL) and re-use this code throughout all the different UI projects.



Sunday, 25 March 2018

Getting Started With Xamarin Forms FreshMVVM Framework (C# - Xaml)

Introduction:
FreshMvvm is a super light Mvvm Framework designed specifically for Xamarin.Forms. It is designed to be Easy, Simple and Flexible. In my previous article, I was written an article about storing list of contacts in SQLite database with Xamarin.Forms default MVVM. In this tutorial we will achieve the same Xamarin.Forms application with FreshMvvm framework.

Saturday, 24 March 2018

Xamarin.Forms MVVM: SQLite Sample for Beginners (C# - Xaml)

Introduction:
This article will show you step by step guide on how to use an SQLite database with a Xamarin.Forms application in Android and iOS. 

Monday, 19 March 2018

Rounded Corner EditText in Xamarin.Android

Introduction:
In Xamarin.Android, we can easily make rounded corner EditText with selector we need some simple steps to create xml files in layout resource directory of android application. This article will guide you in details to create rounded corner EditText.

Sunday, 18 March 2018

How to make Phone Call, SMS And Email in Xamarin.Forms (C# - Xaml)

Introduction:
We can easily make phone call, sending message, email in Xamarin.forms. In this article we can learn how to implement them in Xamarin.Forms (PCL) project.

Fluent Validation: How to validate Registration Page fields in Xamarin Forms (C# - Xaml)

Introduction:
Fluent validation is a small validation library for .NET that uses a Fluent interface and lambda expressions for building validation rules for your business objects. Fluent validation is one way of setting up dedicated validator objects, that you would use when you want to treat validation logic as separate from business logic. This article describes how to do FluentValidaiton in Xamarin.Forms for Registration Page.


Tuesday, 13 March 2018

How to store user preferences in Xamarin.iOS?

Introduction:
Preferences are pieces of information that you store persistently and use to configure your app. Most preferences are stored locally using the Cocoa preferences system known as the user defaults system. This article covers working with NSUserDefault to save default settings in a Xamarin iOS App or Extension.
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