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Xamarin Blueprints

You're reading from   Xamarin Blueprints Leverage the power of Xamarin to create stunning cross-platform and native apps

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Product type Paperback
Published in Sep 2016
Publisher Packt
ISBN-13 9781785887444
Length 516 pages
Edition 1st Edition
Languages
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Author (1):
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Michael Williams Michael Williams
Author Profile Icon Michael Williams
Michael Williams
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Toc

Table of Contents (9) Chapters Close

Preface 1. Building a Gallery Application FREE CHAPTER 2. Building a SpeechTalk Application 3. Building a GPS Locator Application 4. Building an Audio Player Application 5. Building a Stocklist Application 6. Building a Chat Application 7. Building a File Storage Application 8. Building a Camera Application

Building the CameraViewRenderer in Android

Now we must add the CustomRenderer for the Android camera. In the Renderers folder, add a new file called CameraViewRender.cs and implement the following:

public class CameraViewRenderer : ViewRenderer<CameraView, CameraDroid> 
    { 
        #region Private Properties 
 
        private CameraDroid Camera; 
 
        #endregion 
} 

Our renderer contains only one private instance of the CameraDroid class. Then we override the OnElementChanged method:

        #region Protected Methods 
 
        protected override void OnElementChanged(ElementChangedEventArgs<CameraView> e) 
        { 
            base.OnElementChanged(e); 
 
            if (Control == null) 
            { 
                Camera = new CameraDroid(Context); 
 
                SetNativeControl(Camera); 
            } 
 
            if (e.NewElement != null) 
            { 
 
                Camera.Available += e.NewElement.NotifyAvailability; 
                Camera.Photo...
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