private async void BtnScan_Click(object sender, EventArgs e)
{
//var options = new ZXing.Mobile.MobileBarcodeScanningOptions();
var scanner = new ZXing.Mobile.MobileBarcodeScanner();
ApiFunctions apiGet = new ApiFunctions();
//options.PossibleFormats = new List<ZXing.BarcodeFormat>() {
// ZXing.BarcodeFormat.CODE_93, ZXing.BarcodeFormat.CODE_39
//};
var options = new ZXing.Mobile.MobileBarcodeScanningOptions()
{
TryHarder = true,
PossibleFormats = new List <ZXing.BarcodeFormat>
{
ZXing.BarcodeFormat.CODE_39
}
};
var result = await scanner.Scan(options);
if (result != null)
{
string id;
id = result.Text;
id = id.Remove(0, 2);
id = id.Remove(id.Length - 1);
//Toast.MakeText(this, id, ToastLength.Long).Show();
string url = "http://theblackcat102.nctu.me:5000/NCTU/api/v1.1/students/" + id.ToString();
JsonValue pay = await apiGet.FetchStudentAsync(url);
if (apiGet.GotPay(pay))
{
Toast.MakeText(this, id + ",有繳學聯會費喔", ToastLength.Long).Show();
}
else
{
Toast.MakeText(this, id + ",沒有繳學聯會費！！", ToastLength.Long).Show();
}
}
}
private async void testBtn_Click(object sender, EventArgs e)
{
var sqlLiteFilePath = GetFileStreamPath("") + "/db_user.db";
string TARGETURL = "http://theblackcat102.nctu.me:5000/NCTU/api/v1.1/payOnly";
string result = null;
DatabaseFunctions dbFunc = new DatabaseFunctions();
ApiFunctions apiGet = new ApiFunctions();
if (File.Exists(sqlLiteFilePath))
{
File.Delete(sqlLiteFilePath);
}
dbFunc.createDB(sqlLiteFilePath);
Console.WriteLine("Database created");
result = await apiGet.parseData(TARGETURL); //must be used in threading pool otherwise add async to function
ProgressDialog progress;
progress = ProgressDialog.Show(this, "Loading", "Please Wait...", true);
await Task.Factory.StartNew(
() =>
{
if (result != null && result.Length >= 50)
{
dbFunc.buildDB(result, sqlLiteFilePath);
}
}).ContinueWith(
t =>
{
if (progress != null)
{
progress.Hide();
}
}, TaskScheduler.FromCurrentSynchronizationContext()
);
}