/// <summary>
/// Save UIImage into directory
/// </summary>
/// <param name="image"></param>
void Save(UIKit.UIImage image)
{
var documentsDirectory = Environment.GetFolderPath
(Environment.SpecialFolder.Personal);
var directoryname = Path.Combine(documentsDirectory, "FolderName");
Directory.CreateDirectory(directoryname);
string jpgFile = System.IO.Path.Combine(directoryname, "image.jpg");
Foundation.NSData imgData = image.AsJPEG();
Foundation.NSError err = null;
if (imgData.Save(jpgFile, false, out err))
{
Console.WriteLine("saved as" + jpgFile);
}
else
{
Console.WriteLine("not saved as " + jpgFile + "because" + err.LocalizedDescription);
}
var alert = UIAlertController.Create("Saved Location", jpgFile, UIAlertControllerStyle.Alert);
alert.AddAction(UIAlertAction.Create("OK", UIAlertActionStyle.Default, null));
ShowViewController(alert, null);
}
/// <summary>
/// Takes a bundled asset (like a .png file), converts it to a c# memory stream and returns it.
/// </summary>
/// <returns>The to stream.</returns>
/// <param name="assetPath">Asset path.</param>
public static MemoryStream AssetToStream(string assetPath)
{
#if __IOS__
Foundation.NSData data = Foundation.NSData.FromFile(assetPath);
byte[] dataBytes = new byte[data.Length];
System.Runtime.InteropServices.Marshal.Copy(data.Bytes, dataBytes, 0, Convert.ToInt32(data.Length));
return(new MemoryStream(dataBytes));
#endif
#if __ANDROID__
try
{
System.IO.Stream stream = Rock.Mobile.PlatformSpecific.Android.Core.Context.Assets.Open(assetPath);
MemoryStream memStream = new MemoryStream( );
stream.CopyTo(memStream);
// reset the memstream position
memStream.Position = 0;
stream.Dispose( );
stream = null;
return(memStream);
}
catch
{
return(null);
}
#endif
}
public static Dictionary <string, object> NSDictToPureDict(Foundation.NSDictionary nsDict)
{
if (nsDict == null)
{
return(null);
}
Foundation.NSError error;
Foundation.NSData jsonData = Foundation.NSJsonSerialization.Serialize(nsDict, (Foundation.NSJsonWritingOptions) 0, out error);
Foundation.NSString jsonNSString = Foundation.NSString.FromData(jsonData, Foundation.NSStringEncoding.UTF8);
string jsonString = jsonNSString.ToString();
return(Json.Deserialize(jsonString) as Dictionary <string, object>);
}
/// <summary>
/// Convert byte array into UIImage
/// </summary>
/// <param name="bytes"></param>
/// <returns></returns>
private UIKit.UIImage ImageFromBytes(byte[] bytes)
{
try
{
Foundation.NSData data = Foundation.NSData.FromArray(bytes);
UIKit.UIImage image = UIImage.LoadFromData(data);
UIGraphics.EndImageContext();
return(image);
}
catch (Exception)
{
return(null);
}
}
public static void TestCapture()
{
Foundation.NSNumber mainScreen = (Foundation.NSNumber)AppKit.NSScreen.MainScreen.DeviceDescription["NSScreenNumber"];
using (CoreGraphics.CGImage cgImage = CreateImage(mainScreen.UInt32Value))
{
// https://stackoverflow.com/questions/17334786/get-pixel-from-the-screen-screenshot-in-max-osx/17343305#17343305
// Get byte-array from CGImage
// https://gist.github.com/zhangao0086/5fafb1e1c0b5d629eb76
AppKit.NSBitmapImageRep bitmapRep = new AppKit.NSBitmapImageRep(cgImage);
// var imageData = bitmapRep.representationUsingType(NSBitmapImageFileType.NSPNGFileType, properties: [:])
Foundation.NSData imageData = bitmapRep.RepresentationUsingTypeProperties(AppKit.NSBitmapImageFileType.Png);
long len = imageData.Length;
byte[] bytes = new byte[len];
System.Runtime.InteropServices.GCHandle pinnedArray = System.Runtime.InteropServices.GCHandle.Alloc(bytes, System.Runtime.InteropServices.GCHandleType.Pinned);
System.IntPtr pointer = pinnedArray.AddrOfPinnedObject();
// Do your stuff...
imageData.GetBytes(pointer, new System.IntPtr(len));
pinnedArray.Free();
using (AppKit.NSImage nsImage = new AppKit.NSImage(cgImage, new System.Drawing.SizeF(cgImage.Width, cgImage.Height)))
{
// ImageView.Image = nsImage;
// And now ? How to get the image bytes ?
// https://theconfuzedsourcecode.wordpress.com/2016/02/24/convert-android-bitmap-image-and-ios-uiimage-to-byte-array-in-xamarin/
// https://stackoverflow.com/questions/5645157/nsimage-from-byte-array
// https://stackoverflow.com/questions/53060723/nsimage-source-from-byte-array-cocoa-app-xamarin-c-sharp
// https://gist.github.com/zhangao0086/5fafb1e1c0b5d629eb76
// https://www.quora.com/What-is-a-way-to-convert-UIImage-to-a-byte-array-in-Swift?share=1
// https://stackoverflow.com/questions/17112314/converting-uiimage-to-byte-array
} // End Using nsImage
} // End Using cgImage
} // End Sub TestCapture
public static void SetDeviceToken(Foundation.NSData token)
{
deviceToken = token;
}
// on select of Gallery
private async Task galleryFunc()
{
#if __IOS__
var picker = new MediaPicker();
try
{
if (!picker.PhotosSupported)
{
UserDialogs.Instance.HideLoading();
UserDialogs.Instance.Alert("Photo Gallery is unavailable");
}
else
{
var result = await picker.PickPhotoAsync();
if (result == null)
{
return;
}
else
{
var memoryStream = new MemoryStream();
UserDialogs.Instance.ShowLoading("Uploading Image...", MaskType.Black);
result.GetStream().CopyTo(memoryStream);
imageByteArray_BlaffrViewModel = memoryStream.ToArray();
}
Device.BeginInvokeOnMainThread(() =>
{
ProfilePic = ImageSource.FromStream(() => result.GetStream());
});
UIKit.UIImage image = new UIKit.UIImage(result.Path);
UIKit.UIImage highres = image;
Foundation.NSData d = highres.AsJPEG(0.7f);
Byte[] myByteArray = new Byte[d.Length];
System.Runtime.InteropServices.Marshal.Copy(d.Bytes, myByteArray, 0, Convert.ToInt32(d.Length));
imageByteArray_BlaffrViewModel = myByteArray;
var p = ImageSource.FromStream(() => result.GetStream());
await this.OnPhotoReceived(result.Path, "");
}
}
catch (Exception ex)
{
string x = ex.Message;
}
#endif
#if __ANDROID__
var picker = new CrossMedia();
try
{
//if (!picker.IsLocalVoiceInteractionSupported)
//{
// UserDialogs.Instance.HideLoading();
// UserDialogs.Instance.Alert("Photo Gallery is unavailable");
//}
//else
//{
// var result = await picker();
// if (result == null)
// return;
// else
// {
// var memoryStream = new MemoryStream();
// UserDialogs.Instance.ShowLoading("Uploading Image...", MaskType.Black);
// result.GetStream().CopyTo(memoryStream);
// imageByteArray_ViewModel = memoryStream.ToArray();
// }
// Device.BeginInvokeOnMainThread(() =>
// {
// imageSource = ImageSource.FromStream(() => result.GetStream());
// });
// //UIKit.UIImage image = new UIKit.UIImage(result.Path);
// //var highres = image;
// //var d = highres.AsJPEG(0.7f);
// //Byte[] myByteArray = new Byte[d.Length];
// //System.Runtime.InteropServices.Marshal.Copy(d.Bytes, myByteArray, 0, Convert.ToInt32(d.Length));
// //imageByteArray_ViewModel = myByteArray;
// //var p = ImageSource.FromStream(() => result.GetStream());
// await this.OnPhotoReceived(result.Path, "");
//}
}
catch (Exception ex)
{
string x = ex.Message;
}
#endif
}
public virtual override void RegisteredForRemoteNotifications(AppKit.NSApplication application, Foundation.NSData deviceToken)
{
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
// Perform any additional setup after loading the view, typically from a nib.
switch (servicePosition)
{
case 0:
service = new CRFacebook("439557219752767", "7265db555fbf26606870451605e1ae37");
break;
case 1:
service = new CRGitHub("ff2f6d88dd8a49366e30", "eeafe874a8b80599a09b5195022583fbda4ca2ad");
break;
case 2:
service = new CRGooglePlus("141870010879-td4fdoobrsm6ecki2kvveki6kdauu4su.apps.googleusercontent.com", "", "com.cloudrail.unifiedsocialprofile:/oauth2redirect", "someState");
((CRGooglePlus)service).UseAdvancedAuthentication();
break;
case 3:
service = new CRHeroku("d81a8071-ab2b-4a8b-8385-a83d70ed6095", "ece9f5b1-c977-4d85-b6fa-c0403cdcbdff");
break;
case 4:
service = new CRInstagram("d714c3c872cb443e975d874922e66fcc", "ead73573c11c4a9e831460f0ff3bf164");
break;
case 5:
service = new CRLinkedIn("[LinkedIn Client Identifier]", "[LinkedIn Client Secret]");
break;
case 6:
service = new CRProductHunt("9e79858debc14d0aab52bcad4430cbea06645e6df43986d3fe65fa9e4a46db47", "c04c57684eaf498eda439ed077270b09ea3a34218b283c9a4a6fb8a6bc24e88f");
break;
case 7:
service = new CRSlack("[Slack Client Identifier]", "[Slack Client Secret]");
break;
case 8:
service = new CRTwitter("FW6M3WmjhyiT2AYsohDZHGDTw", "1Ts5gOmPzXUgeckMDPV0dSEuY51L77cJCYBfftQFu6kI9kv2dp");
break;
case 9:
service = new CRMicrosoftLive("[Windows Live Client Identifier]", "[Windows Live Client Secret]");
break;
case 10:
service = new CRYahoo("[Yahoo Client Identifier]", "[Yahoo Client Secret]");
break;
}
new System.Threading.Thread(new System.Threading.ThreadStart(() =>
{
// run in background
service.Login();
String name = service.GetFullName();
String mail = service.GetEmail();
CRDateOfBirth dob = service.GetDateOfBirth();
String birthDate = dob != null ? dob.Day + "." + dob.Month + "." + dob.Year : "";
String description = service.GetProfileDescription();
String locale = service.GetLocale();
String id = service.GetIdentifier();
String imageUrlString = service.GetPictureURL();
InvokeOnMainThread(() =>
{
// manipulate UI controls
labelName.Text = name;
labelMail.Text = mail;
labelDateOfBirth.Text = birthDate;
labelDescription.Text = description;
labelLocale.Text = locale;
labelId.Text = id;
if (imageUrlString != null)
{
Foundation.NSUrl imageUrl = new Foundation.NSUrl(imageUrlString);
Foundation.NSData imageData = Foundation.NSData.FromUrl(imageUrl);
UIImage image = new UIImage(imageData);
imageView.Image = image;
}
});
})).Start();
}
public abstract void SetDeviceToken(Foundation.NSData deviceToken);
private static byte[] GetKeyData(Foundation.NSData keyData)
{
byte[] dataBytes = new byte[keyData.Length];
System.Runtime.InteropServices.Marshal.Copy(keyData.Bytes, dataBytes, 0, Convert.ToInt32(keyData.Length));
return(dataBytes);
}
