//================Private methods=============//
/*return copied image info or null if image copy was not successful;*/
private ImageInfo TryImportImageFromGallery(Stream imageInputStream)
{
if (ExtStorageUtils.IsExtStorageWritable())
{
string imgName = Guid.NewGuid().ToString();
string newImgFile = Path.Combine(mImagesPath, imgName);
using (imageInputStream)
using (var outputStream = new FileStream(newImgFile, FileMode.CreateNew))
{
try
{
imageInputStream.CopyTo(outputStream);
// Saving copied image info to the database.
long dbRowId = DbDao.GetInstance().InsertImageInfo(mContext, imgName);
return(new ImageInfo {
DbRowId = dbRowId,
ImageName = imgName
});
}
catch (Exception) { }
}
}
return(new ImageInfo {
DbRowId = -1,
ImageName = null
});
}
//=================Constructor==============//
public DetailedImageModel(Context context)
{
mContext = context;
if (ExtStorageUtils.IsExtStorageWritable())
{
mImagesPath = ExtStorageUtils.GetExtStoragePubDir(
mContext.GetString(Resource.String.images_directory_name),
Android.OS.Environment.DirectoryPictures);
}
}
//==============Activity result=====================//
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
if (IMPORT_IMAGE_FROM_GALLERY_REQUEST_CODE == requestCode && resultCode == Result.Ok)
{
Android.Net.Uri imgUri = data.Data;
try
{
Stream imgInputStream = ContentResolver.OpenInputStream(imgUri);
var fragment = (OverviewImageGalleryFragment)
FragmentManager.FindFragmentByTag(OverviewImageGalleryFragment.TAG);
if (fragment != null)
{
fragment.ImportImageFromGallery(imgInputStream);
}
}
catch (Exception) { }
}
else if (IMPORT_IMAGE_FROM_CAMERA_REQUEST_CODE == requestCode)
{
if (resultCode == Result.Ok)
{
var fragment = (OverviewImageGalleryFragment)
FragmentManager.FindFragmentByTag(OverviewImageGalleryFragment.TAG);
if (fragment != null && !String.IsNullOrEmpty(mCameraImgName))
{
fragment.ImportImageFromCamera(mCameraImgName);
}
}
else
{
// Removing unused camera file.
if (ExtStorageUtils.IsExtStorageWritable() && String.IsNullOrEmpty(mCameraImgName))
{
string imagesPath = ExtStorageUtils.GetExtStoragePubDir(
GetString(Resource.String.images_directory_name),
Android.OS.Environment.DirectoryPictures);
File.Delete(Path.Combine(imagesPath, mCameraImgName));
}
}
}
}
public override bool OnOptionsItemSelected(IMenuItem item)
{
switch (item.ItemId)
{
case Resource.Id.action_image_from_gallery:
{
Intent intent = new Intent(Intent.ActionGetContent);
intent.SetType("image/*");
StartActivityForResult(intent, IMPORT_IMAGE_FROM_GALLERY_REQUEST_CODE);
break;
}
case Resource.Id.action_image_from_camera:
{
if (ExtStorageUtils.IsExtStorageWritable())
{
string imagesPath = ExtStorageUtils.GetExtStoragePubDir(
GetString(Resource.String.images_directory_name),
Android.OS.Environment.DirectoryPictures);
mCameraImgName = Guid.NewGuid().ToString();
string cameraImgFile = Path.Combine(imagesPath, mCameraImgName);
Intent intent = new Intent(MediaStore.ActionImageCapture);
Java.IO.File file = new Java.IO.File(cameraImgFile);
intent.PutExtra(MediaStore.ExtraOutput, Android.Net.Uri.FromFile(file));
if (intent.ResolveActivity(PackageManager) != null)
{
StartActivityForResult(intent, IMPORT_IMAGE_FROM_CAMERA_REQUEST_CODE);
}
}
break;
}
}
return(base.OnOptionsItemSelected(item));
}
