protected async override void OnResume()
{
base.OnResume();
_errorView.Visibility = ViewStates.Gone;
_textZone.Visibility = ViewStates.Gone;
_loadingView.Visibility = ViewStates.Visible;
_loadingView.StartIndeterminate();
if (!string.IsNullOrEmpty(_picturePath))
{
new Thread(new ThreadStart(async() =>
{
_pictureBytes = System.IO.File.ReadAllBytes(_picturePath);
Bitmap bitmap = await BitmapFactory.DecodeByteArrayAsync(
_pictureBytes, 0, _pictureBytes.Length);
Bitmap cropped = Bitmap.CreateScaledBitmap(bitmap, 1920, 1080, false);
byte[] byteArray;
using (var stream = new MemoryStream())
{
await cropped.CompressAsync(Bitmap.CompressFormat.Jpeg, 100, stream);
byteArray = stream.ToArray();
}
try
{
var result = await _visionService.RecognizeTextService(byteArray);
RunOnUiThread(() =>
{
_loadingView.StopOk();
_loadingView.Visibility = ViewStates.Gone;
if (result == null)
{
throw new Exception("");
}
PrintText(result.Lines);
});
}
catch (Exception e)
{
if (!string.IsNullOrEmpty(e.Message))
{
_errorView.Text = e.Message;
}
RunOnUiThread(() =>
{
_loadingView.StopOk();
_loadingView.Visibility = ViewStates.Gone;
_errorView.Visibility = ViewStates.Visible;
});
}
})).Start();
}
}
private void FabOnClick(object sender, EventArgs eventArgs)
{
animatedCircleLoadingViewIndeterminate.StopOk();
animatedCircleLoadingView.StopOk();
View view = (View)sender;
Snackbar.Make(view, "Stopped Progress with OK status.", Snackbar.LengthLong).SetAction("Action", (Android.Views.View.IOnClickListener)null).Show();
}
protected override async void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
SetContentView(Resource.Layout.Main);
loading = FindViewById <AnimatedCircleLoadingView> (Resource.Id.circle_loading_view);
// prepare for the work
loading.StartDeterminate();
// do the work
await Task.Delay(1500);
for (int i = 0; i <= 100; i++)
{
await Task.Delay(65);
loading.SetPercent(i);
}
loading.StopOk();
}
