Posts Tagged C#

Creating cross-platform mobile map application with Xamarin in 10 minutes

Quick tutorial: how to create mobile app with maps using Xamarin just in 10 minutes.

Prerequisites

  • Mac computer with installed XCode and Xamarin Studio
  • Subscription to any Xamarin plan starting from Indie and above
  • Basic C# skills

1. Start new solution in Xamarin Studio, select Cross-platform App -> Blank Xamarin.Forms.App

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2. Call the project MapDemo (or any other name you like), check both Android & iOS platforms and use Portable Class Library

Screen Shot 2015-08-19 at 23.53.08

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Compile Xamarin App for Android in release mode

I encountered multiple times the issue when the build of Xamarin app for Android simply didn’t work in release mode without any obvious reason. Finally looks like I got what should be the appropriate configuration.

So, make sure that you have “Options” for Android project as described below:

1. Build -> General

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2. Build -> Android Build -> Linker -> Linker Options

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3. Build -> Android Application (Minimum: 15+; Target: 21+)

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Pay attention to the fact that “Target Framework” in the item 1 should be the same as “Target Android version” in the item 3, you can find the table with appropriate relations between Android name and APIs here: https://source.android.com/source/build-numbers.html

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