title: Xamarin: Simple Cross platform Alarm app
body: <p>Goal: Developing a cross platform mobile app using Xamarin studio that shows a message at certain date and time.</p>
  
  <p>Questions:</p>
  
  <p>a) What things will/can be shared between platforms if i want to develop such application. (A structural design With possible classes will be appreciated)</p>
  
  <p>b) Is it better to use a Timer or AlarmManager?</p>
  
  <p>c) What type of project should be created for the Shared Core Project (Portable Class Library/Platform  Specific Library/Plain C# Project)?</p>
  
  <p>Thanks in Advance.</p>