protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
if (requestCode == CAPTURE_PHOTO)
{
if (resultCode == Result.Ok)
{
//display saved image
Bitmap poiImage = POIData.GetImageFile(_poi.Id.Value);
_poiImageView.SetImageBitmap(poiImage);
if (poiImage != null)
{
_poiImageView.Visibility = ViewStates.Visible;
poiImage.Dispose();
}
}
else
{
//Let the user know that the photo was cancelled
Toast toast = Toast.MakeText(this, "未擷取任何影像！", ToastLength.Short);
toast.Show();
}
}
else
{
base.OnActivityResult(requestCode, resultCode, data);
}
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Create your application here
SetContentView(Resource.Layout.POIDetail);
_locMgr = 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);
_locationImageButton.Click += GetLocationClicked;
_addrEditText.FocusChange += GetLocationFromAddress;
_mapImageButton.Click += MapClicked;
_photoImageButton.Click += NewPhotoClicked;
if (Intent.HasExtra("poiId"))
{
int poiId = Intent.GetIntExtra("poiId", -1);
_poi = POIData.Service.GetPOI(poiId);
Bitmap poiImage = POIData.GetImageFile(_poi.Id.Value);
_poiImageView.SetImageBitmap(poiImage);
if (poiImage != null)
{
_poiImageView.Visibility = ViewStates.Visible;
poiImage.Dispose();
}
//Console.WriteLine ("_poiImageView's visibility is " + _poiImageView.Visibility.ToString());
}
else
{
//Tom: 使用者按了新增鍵
_poi = new PointOfInterest();
//Console.WriteLine ("in else");
this.Title = "新增景點";
AlertDialog.Builder alertConfirm = new AlertDialog.Builder(this);
alertConfirm.SetCancelable(false);
alertConfirm.SetPositiveButton("是", GetLocationClicked);
alertConfirm.SetNegativeButton("否", delegate {});
alertConfirm.SetTitle("自動定位?");
alertConfirm.SetMessage(String.Format("若欲以自動定位目前所在位置及地址，請按[是]，或按[否]手動輸入地址。"));
alertConfirm.Show();
}
UpdateUI();
}
public override View GetView(int position, View convertView, ViewGroup parent)
{
View view = convertView;
if (view == null)
{
view = _context.LayoutInflater.Inflate(Resource.Layout.POIListItem, null);
}
PointOfInterest poi = POIData.Service.POIs [position];
//load image into image view
Bitmap poiImage = POIData.GetImageFile(poi.Id.Value);
view.FindViewById <ImageView> (Resource.Id.poiImageView).SetImageBitmap(poiImage);
if (poiImage != null)
{
poiImage.Dispose();
}
view.FindViewById <TextView> (Resource.Id.nameTextView).Text = poi.Name;
if (string.IsNullOrEmpty(poi.Address))
{
view.FindViewById <TextView> (Resource.Id.addrTextView).Visibility = ViewStates.Gone;
}
else
{
view.FindViewById <TextView> (Resource.Id.addrTextView).Text = poi.Address;
}
if ((CurrentLocation != null) && (poi.Latitude.HasValue) && (poi.Longitude.HasValue))
{
Location poiLocation = new Location("");
poiLocation.Latitude = poi.Latitude.Value;
poiLocation.Longitude = poi.Longitude.Value;
float distance = CurrentLocation.DistanceTo(poiLocation) / 1000; //原單位為公尺；若乘以 0.000621371F表以英哩顯示;
view.FindViewById <TextView> (Resource.Id.distanceTextView).Text =
String.Format("{0:0,0.00} 公里", distance);
}
else
{
view.FindViewById <TextView> (Resource.Id.distanceTextView).Text = "??";
}
return(view);
}