private void RequestImage(string imageSource) { ClearCurrentHttpImageRequest(); if (string.IsNullOrEmpty(imageSource)) { ShowDefaultImage(); return; } if (imageSource.ToUpper().StartsWith("HTTP")) { NewHttpImageRequested(); _currentImageRequest = new MvxImageRequest <T>(imageSource); _currentImageRequest.Complete += CurrentImageRequestOnComplete; _currentImageRequest.Error += CurrentImageRequestOnError; _currentImageRequest.Start(); } else { var image = ImageFromLocalFile(imageSource); if (image == null) { ShowErrorImage(); } else { NewImageAvailable(image); } } }
private void ClearCurrentHttpImageRequest() { if (_currentImageRequest == null) { return; } _currentImageRequest.Complete -= CurrentImageRequestOnComplete; _currentImageRequest.Error -= CurrentImageRequestOnError; _currentImageRequest = null; }