任何人都可以点我的例子拍照并存储使用MVVMCross
?
我一直在寻找,但只找到了这个:
MonoDroid的,要考虑与相机拍摄照片 (没有实现MVVMCross)
视频录制 (这是视频,我不能让它工作:S)
该Oficialy配方实例 (它的作品,但没有实现MVVMCross)
谢谢!!!
解决! 谢谢!
未来的参考文献:(使用主科)
积分斯图尔特,我只是改变了代码与我的现实工作
using Cirrious.MvvmCross.ExtensionMethods;
using Cirrious.MvvmCross.Interfaces.Platform.Tasks;
using Cirrious.MvvmCross.Interfaces.ServiceProvider;
using SIGEP.DummyService;
using SIGEP.Mobile.Core.Interfaces;
namespace SIGEP.Mobile.Core.Models
{
public class PhotoService : IMvxServiceConsumer<IMvxPictureChooserTask>
{
private const int MaxPixelDimension = 1024;
private const int DefaultJpegQuality = 92;
public void GetNewPhoto()
{
this.GetService<IMvxPictureChooserTask>().TakePicture(
MaxPixelDimension,
DefaultJpegQuality,
HandlePhotoAvailable,
() => { /* cancel is ignored */ });
}
public event EventHandler<PhotoStreamEventArgs> PhotoStreamAvailable;
private void HandlePhotoAvailable(Stream pictureStream)
{
var handler = PhotoStreamAvailable;
if (handler != null)
{
handler(this, new PhotoStreamEventArgs() { PictureStream = pictureStream, OnSucessGettingPhotoFileName = OnSucessGettingPhotoFileName });
}
}
public static void TakePhoto(Action<string> successFileName, Action<Exception> error)
{
var service = new PhotoService();
service.OnSucessGettingPhotoFileName = successFileName;
service.OnError = error;
service.GetNewPhoto();
service.PhotoStreamAvailable += new EventHandler<PhotoStreamEventArgs>(service_PhotoStreamAvailable);
}
static void service_PhotoStreamAvailable(object sender, PhotoStreamEventArgs e)
{
//grava pra ficheiro!!!
var directory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
var filename = Path.Combine(directory, "photo.jpeg");
string saveTo = filename;
FileStream writeStream = new FileStream(saveTo, FileMode.Create, FileAccess.Write);
ReadWriteStream(e.PictureStream, writeStream);
e.OnSucessGettingPhotoFileName(filename);
}
private static void ReadWriteStream(Stream readStream, Stream writeStream)
{
int Length = 256;
Byte[] buffer = new Byte[Length];
int bytesRead = readStream.Read(buffer, 0, Length);
// write the required bytes
while (bytesRead > 0)
{
writeStream.Write(buffer, 0, bytesRead);
bytesRead = readStream.Read(buffer, 0, Length);
}
readStream.Close();
writeStream.Close();
}
public Action<string> OnSucessGettingPhotoFileName { get; set; }
public Action<Exception> OnError { get; set; }
}
[Serializable]
[ComVisible(true)]
public class PhotoStreamEventArgs : EventArgs
{
public Stream PictureStream { get; set; }
public Action<string> OnSucessGettingPhotoFileName { get; set; }
}
}