Xamarin: How to sign an Android APK file in Visual Studio for Mac for beginners

Introduction:
After an application has been coded and tested, it is necessary to prepare a package for distribution. The first task in preparing this package is to build the application for release, which mainly entails setting some application attributes. In this article, we can learn how o sign Android APK in Visual studio for Mac.

Format DatePicker value to MM/dd/yyyy or MM-dd-yyyy in Xamarin.Forms (C# - Xaml)

Introduction:
In Xamarin.Forms, we can format datepicker value to specific date format using "Format" property in Xaml or C# code. But you might be faced the issues with date format. For example if you set datepicker Format to "MM/dd/yyyy", value will be shown in different format for some devices like "MM-dd-yyyy". In this article, we can learn how to fix this issues.

Resolved: UnauthorizedAccessException for write or read file in Xamarin.Forms Android (C# - Xaml)

Introduction:

Android considers accessing external storage to be a dangerous permission, which typically requires the user to grant their permission to access the resource. The user may revoke this permission at any time. This means that a run time permission request should be performed prior to any file access. Apps are automatically granted permissions to read and write their own private files. It is possible for apps to read and write the private files that belong to other apps after being granted permission by the user.