Xamarin Blueprints

Building the CustomImageRenderer for Android

Add a new folder into the Renderers folder called CusotmImage, add a new file called CustomImageRenderer.cs, and implement the following:

public class CustomImageRenderer : ViewRenderer<CustomImage, ImageView>  
    { 
        #region Private Properties 
 
        private readonly string _tag; 
 
        private ImageView _imageView; 
 
        private CustomImage _customImage; 
 
        private ILogger _log; 
 
        private Bitmap _bitmap; 
 
        #endregion 
 
        #region Constructors 
 
        public CustomImageRenderer() 
        { 
            _log = IoC.Resolve<ILogger> (); 
            _tag = string.Format ("{0} ", GetType ()); 
        } 
 
        #endregion 

We are going to use an ImageView as the native control. We also have a local CustomImage, which will reference the element we are rendering on. We also have a local Bitmap, which ...