protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
if (requestCode != CAPTURE_PHOTO)
{
base.OnActivityResult(requestCode, resultCode, data);
}
else
{
if (resultCode == Result.Ok)
{
using (var poiImage = POIData.GetImageFile(_poi.Id.Value))
{
if (poiImage != null)
{
_poiImageView.SetImageBitmap(poiImage);
}
else
{
var toast = Toast.MakeText(this, "No picture captured.", ToastLength.Short);
toast.Show();
}
}
}
else
{
var toast = Toast.MakeText(this, "Failed to capture picture.", ToastLength.Short);
toast.Show();
}
}
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
// when a view is available for reuse, convertView will contain a reference to the view; otherwise, it will be null and a new view should be created.
// otherwise we'd need to create a new view for every single row, which would be expensive. better to reuse the rows as old ones scroll out of view.
var view = convertView ?? _context.LayoutInflater.Inflate(Resource.Layout.POIListItem, null);
var poi = this [position];
view.FindViewById <TextView> (Resource.Id.nameTextView).Text = poi.Name;
var addressView = view.FindViewById <TextView> (Resource.Id.addrTextView);
if (string.IsNullOrEmpty(poi.Address))
{
addressView.Visibility = ViewStates.Gone;
}
else
{
addressView.Text = poi.Address;
}
if ((CurrentLocation != null) && (poi.Latitude.HasValue) && (poi.Longitude.HasValue))
{
var poiLocation = new Location("")
{
Latitude = poi.Latitude.Value, Longitude = poi.Longitude.Value
};
var distance = CurrentLocation.DistanceTo(poiLocation) * 0.000621371F; // Meters -> Miles
view.FindViewById <TextView>(Resource.Id.distanceTextView).Text = String.Format("{0:0,0.00} miles", distance);
}
else
{
view.FindViewById <TextView>(Resource.Id.distanceTextView).Text = "??";
}
using (var poiImage = POIData.GetImageFile(poi.Id.Value))
view.FindViewById <ImageView>(Resource.Id.poiImageView).SetImageBitmap(poiImage);
return(view);
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Create your application here
SetContentView(Resource.Layout.POIDetail);
_locationManager = GetSystemService(Context.LocationService) as LocationManager;
_nameEditText = FindViewById <EditText> (Resource.Id.nameEditText);
_descrEditText = FindViewById <EditText> (Resource.Id.descrEditText);
_addrEditText = FindViewById <EditText> (Resource.Id.addrEditText);
_latEditText = FindViewById <EditText> (Resource.Id.latEditText);
_longEditText = FindViewById <EditText> (Resource.Id.longEditText);
_poiImageView = FindViewById <ImageView> (Resource.Id.poiImageView);
_locationImageButton = FindViewById <ImageButton>(Resource.Id.locationImageButton);
_mapImageButton = FindViewById <ImageButton>(Resource.Id.mapImageButton);
_photoImageButton = FindViewById <ImageButton>(Resource.Id.photoImageButton);
if (Intent.HasExtra("poiId"))
{
int poiId = Intent.GetIntExtra("poiId", -1);
_poi = POIData.Service.GetPOI(poiId);
using (var poiImage = POIData.GetImageFile(_poi.Id.Value))
{
if (poiImage != null)
{
_poiImageView.SetImageBitmap(poiImage);
}
}
}
else
{
_poi = new PointOfInterest();
}
_locationImageButton.Click += (s, e) =>
{
_progressDialog = ProgressDialog.Show(this, "", "Obtaining location...");
_locationManager.RequestSingleUpdate(new Criteria {
Accuracy = Accuracy.NoRequirement, PowerRequirement = Power.NoRequirement
}, this, null);
};
_mapImageButton.Click += (s, e) =>
{
// uri options:
// geo:latitude,longitude
// geo:latitude,longitude?z={zoom} where {zoom} is the zoom level
// geo:0,0?q=my+street+address
// geo:0,0?q=business+near+city
var geocodeUri = Uri.Parse(String.IsNullOrEmpty(_addrEditText.Text)
? String.Format("geo:{0},{1}", _poi.Latitude, _poi.Longitude)
: String.Format("geo:0,0?q={0}", _addrEditText.Text));
var mapIntent = new Intent(Intent.ActionView, geocodeUri);
var activities = PackageManager.QueryIntentActivities(mapIntent, 0);
if (activities.Any())
{
StartActivity(mapIntent);
}
else
{
var alertConfirm = new AlertDialog.Builder(this);
alertConfirm.SetCancelable(false);
alertConfirm.SetPositiveButton("OK", delegate { });
alertConfirm.SetMessage("No map app available.");
alertConfirm.Show();
}
};
_photoImageButton.Click += (s, e) =>
{
if (!_poi.Id.HasValue)
{
var alertConfirm = new AlertDialog.Builder(this);
alertConfirm.SetCancelable(false);
alertConfirm.SetPositiveButton("OK", delegate { });
alertConfirm.SetMessage("You must save the POI prior to attaching a photo");
alertConfirm.Show();
return;
}
// MediaStore.ActionImageCapture -> Use any existing photo app
var cameraIntent = new Intent(MediaStore.ActionImageCapture);
PackageManager packageManager = PackageManager;
var activities = packageManager.QueryIntentActivities(cameraIntent, 0);
if (activities.Any())
{
// tell the external app where to store the image
// we need to map our physical path to a java URI path, so...
var imageFile = new Java.IO.File(POIData.Service.GetImageFilename(_poi.Id.Value));
var imageUri = Uri.FromFile(imageFile);
cameraIntent.PutExtra(MediaStore.ExtraOutput, imageUri);
// limit the image size
cameraIntent.PutExtra(MediaStore.ExtraSizeLimit, 1.5 * 1024);
// the second parameter identifies the reason for calling the intent
StartActivityForResult(cameraIntent, CAPTURE_PHOTO);
}
else
{
var alertConfirm = new AlertDialog.Builder(this);
alertConfirm.SetCancelable(false);
alertConfirm.SetPositiveButton("OK", delegate { });
alertConfirm.SetMessage("No photo capture app is installed.");
alertConfirm.Show();
}
};
UpdateUI();
}
