protected override void OnElementChanged(ElementChangedEventArgs <Page> e)
{
base.OnElementChanged(e);
if (_view == null)
{
var activity = Context as Activity;
_view = activity.LayoutInflater.Inflate(Resource.Layout.EnergyLayout, this, false);
AddView(_view);
_scanView = _view.FindViewById <EnergyScanView>(Resource.Id.energy_scan_view);
_scanView.InitAnyline(LicenseKey, this);
// In this example, the config is set via EnergyLayout.axml instead of the json file to demonstrate both ways.
// See: https://documentation.anyline.io/toc/platforms/android/view_configuration.html
// To load the json config instead of the axml config, uncomment the following line:
//_scanView.SetConfigFromAsset("EnergyConfig.json");
// The config can be changed via code directly through the Config property, for example:
var config = _scanView.Config;
config.SetFlashMode(AnylineViewConfig.FlashMode.Auto);
_scanView.Config.SetFlashAlignment(AnylineViewConfig.FlashAlignment.TopRight);
// Important: Once the config is changed, it has to be set again explicitly:
_scanView.Config = config;
_scanView.SetScanMode(EnergyScanView.ScanMode.AnalogMeter);
_scanView.SetCancelOnResult(false);
_scanView.StartScanning();
}
}
protected override void OnCreate(Bundle bundle)
{
Window.SetFlags(WindowManagerFlags.KeepScreenOn, WindowManagerFlags.KeepScreenOn);
base.OnCreate(bundle);
SetContentView(Resource.Layout.EnergyActivity);
_scanView = FindViewById <EnergyScanView>(Resource.Id.energy_scan_view);
_energyUseCase = Intent.Extras.GetSerializable("OBJECT").ToString();
_scanView.SetConfigFromAsset(_energyUseCase.Equals(Resources.GetString(Resource.String.scan_heat_meter))
? "EnergyConfigHeatMeter.json"
: "EnergyConfigAll.json");
_scanView.InitAnyline(MainActivity.LicenseKey, this);
_scanView.SetScanMode(EnergyScanView.ScanMode.ElectricMeter);
//in our main activity, we selected which type of meters we want to scan
//now we want to populate the radiobutton group accordingly:
RadioGroup radioGroup = FindViewById <RadioGroup>(Resource.Id.radio_group);
int defaultIndex = 0; //index for which radiobutton is checked at the beginning
if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_analog_electric_meter)))
{
_scanList = new Dictionary <string, EnergyScanView.ScanMode>
{
{ Resources.GetString(Resource.String.electric_meter), EnergyScanView.ScanMode.ElectricMeter },
{ Resources.GetString(Resource.String.electric_meter_5), EnergyScanView.ScanMode.ElectricMeter51 },
{ Resources.GetString(Resource.String.electric_meter_6), EnergyScanView.ScanMode.ElectricMeter61 },
{ Resources.GetString(Resource.String.analog_meter_white), EnergyScanView.ScanMode.AnalogMeterWhite },
{ Resources.GetString(Resource.String.analog_meter_7), EnergyScanView.ScanMode.AnalogMeter7 }
};
_scanView.SetScanMode(_scanList.First().Value);
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_analog_gas_meter)))
{
_scanList = new Dictionary <string, EnergyScanView.ScanMode>
{
{ Resources.GetString(Resource.String.gas_4), EnergyScanView.ScanMode.AnalogMeter4 },
{ Resources.GetString(Resource.String.gas_5), EnergyScanView.ScanMode.GasMeter },
{ Resources.GetString(Resource.String.gas_6), EnergyScanView.ScanMode.GasMeter6 },
{ Resources.GetString(Resource.String.gas_7), EnergyScanView.ScanMode.AnalogMeter7 }
};
defaultIndex = 1;
_scanView.SetScanMode(_scanList.ElementAt(defaultIndex).Value);
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_analog_water_meter)))
{
_scanList = new Dictionary <string, EnergyScanView.ScanMode>
{
{ Resources.GetString(Resource.String.water_white), EnergyScanView.ScanMode.WaterMeterWhite },
{ Resources.GetString(Resource.String.water_black), EnergyScanView.ScanMode.WaterMeterBlack }
};
_scanView.SetScanMode(_scanList.First().Value);
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_digital_meter)))
{
_scanView.SetScanMode(EnergyScanView.ScanMode.DigitalMeter);
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_heat_meter)))
{
_scanList = new Dictionary <string, EnergyScanView.ScanMode>
{
{ Resources.GetString(Resource.String.heat_meter_4_3), EnergyScanView.ScanMode.HeatMeter4 },
{ Resources.GetString(Resource.String.heat_meter_5_3), EnergyScanView.ScanMode.HeatMeter5 },
{ Resources.GetString(Resource.String.heat_meter_6_3), EnergyScanView.ScanMode.HeatMeter6 }
};
_scanView.SetScanMode(_scanList.First().Value);
}
Util.PopulateRadioGroupWithList(this, radioGroup, _scanList, defaultIndex);
// switch the scan mode depending on user selection
radioGroup.CheckedChange += (sender, args) =>
{
_scanView.CancelScanning();
var rb = FindViewById <RadioButton>(args.CheckedId);
var scanMode = _scanList.Single(x => x.Key.Equals(rb.Text)).Value;
_scanView.SetScanMode(scanMode);
_scanView.StartScanning();
};
_scanView.CameraOpened += (s, e) => { Log.Debug(TAG, "Camera opened successfully. Frame resolution " + e.Width + " x " + e.Height); };
_scanView.CameraError += (s, e) => { Log.Error(TAG, "OnCameraError: " + e.Event.Message); };
_scanView.SetCancelOnResult(false);
}
protected override void OnCreate(Bundle bundle)
{
Window.SetFlags(WindowManagerFlags.KeepScreenOn, WindowManagerFlags.KeepScreenOn);
base.OnCreate(bundle);
ActionBar.SetHomeButtonEnabled(true);
ActionBar.SetDisplayHomeAsUpEnabled(true);
SetContentView(Resource.Layout.EnergyActivity);
_scanView = FindViewById <EnergyScanView>(Resource.Id.energy_scan_view);
_energyUseCase = Intent.Extras.GetSerializable("OBJECT").ToString();
_scanView.SetConfigFromAsset(_energyUseCase.Equals(Resources.GetString(Resource.String.scan_heat_meter))
? "EnergyConfigHeatMeter.json"
: "EnergyConfigAll.json");
_scanView.InitAnyline(MainActivity.LicenseKey, this);
NativeBarcodeResultTextView = FindViewById <TextView>(Resource.Id.barcode_result_text);
NativeBarcodeResultTextView.Text = "";
_toggleBarcodeSwitch = FindViewById <Switch>(Resource.Id.toggle_barcode_switch);
// we don't use the native barcode scan mode in heat meters in this example
if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_heat_meter)))
{
var toggleBarcodeLayout = FindViewById <RelativeLayout>(Resource.Id.toggle_barcode_layout);
toggleBarcodeLayout.Visibility = ViewStates.Gone;
}
else
{
_toggleBarcodeSwitch.CheckedChange += (sender, args) =>
{
if (((Switch)sender).Checked)
{
/*
* Enable simultaneous barcode scanning:
*
* The following lines of code enable the simultaneous barcode scanning functionality.
* In order for this to work, some additional requires must be met in the project settings:
*
* In AndroidManifest.xml, the following must be added:
* <meta-data android:name="com.google.android.gms.vision.DEPENDENCIES" android:value="barcode" />
*
* Also, the Nuget Package "Xamarin.GooglePlayServices.Vision" must be installed for this application.
* For installation, the App must be targeted to Android 7.0, but then the SDK version can be reduced again.
*/
try
{
// First, we check if the barcode detector works on the device
var detector = new BarcodeDetector.Builder(ApplicationContext).Build();
if (!detector.IsOperational)
{
// Native barcode scanning not supported on this device
Toast.MakeText(ApplicationContext, "Native Barcode scanning not supported on this device!", ToastLength.Long).Show();
_toggleBarcodeSwitch.Checked = false;
}
else
{
_nativeBarcodeResultListener?.Dispose(); // dispose of old barcodelistener first
_nativeBarcodeResultListener = new NativeBarcodeResultListener(this);
_scanView.EnableBarcodeDetection(true, _nativeBarcodeResultListener);
}
}
catch (Exception) { }
}
else
{
_scanView.DisableBarcodeDetection();
_nativeBarcodeResultListener?.Dispose();
NativeBarcodeResultTextView.Text = "";
}
};
}
// In our main activity, we selected which type of meters we want to scan
// Now we want to populate the RadioButton group accordingly:
RadioGroup radioGroup = FindViewById <RadioGroup>(Resource.Id.radio_group);
int defaultIndex = 0; //index for which radiobutton is checked at the beginning
if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_analog_meter)))
{
SetTitle(Resource.String.scan_analog_meter);
_scanView.SetScanMode(EnergyScanView.ScanMode.AnalogMeter);
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_digital_meter)))
{
SetTitle(Resource.String.scan_digital_meter);
_scanView.SetScanMode(EnergyScanView.ScanMode.DigitalMeter);
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_heat_meter)))
{
SetTitle(Resource.String.scan_heat_meter);
_scanList = new Dictionary <string, EnergyScanView.ScanMode>
{
{ Resources.GetString(Resource.String.heat_meter_4_3), EnergyScanView.ScanMode.HeatMeter4 },
{ Resources.GetString(Resource.String.heat_meter_5_3), EnergyScanView.ScanMode.HeatMeter5 },
{ Resources.GetString(Resource.String.heat_meter_6_3), EnergyScanView.ScanMode.HeatMeter6 }
};
_scanView.SetScanMode(_scanList.First().Value);
// Adding an additional layout rule for this use case because of the radiobutton group size.
var lp = NativeBarcodeResultTextView.LayoutParameters as RelativeLayout.LayoutParams;
if (lp != null)
{
lp.AddRule(LayoutRules.Above, radioGroup.Id);
NativeBarcodeResultTextView.LayoutParameters = lp;
}
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_analog_digital_meter)))
{
SetTitle(Resource.String.scan_analog_digital_meter);
_scanView.SetScanMode(EnergyScanView.ScanMode.AutoAnalogDigitalMeter);
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_serial_numbers)))
{
SetTitle(Resource.String.scan_serial_numbers);
_scanView.SetScanMode(EnergyScanView.ScanMode.SerialNumber);
// we can set the regex and character whitelist to improve SerialNumber scanning
_scanView.SetSerialNumberCharWhitelist("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ");
_scanView.SetSerialNumberValidationRegex("^[0-9A-Z]{5,}$");
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_dial_meters)))
{
SetTitle(Resource.String.scan_dial_meters);
_scanView.SetScanMode(EnergyScanView.ScanMode.DialMeter);
}
else if (_energyUseCase.Equals(Resources.GetString(Resource.String.scan_dot_matrix_meters)))
{
SetTitle(Resource.String.scan_dot_matrix_meters);
_scanView.SetScanMode(EnergyScanView.ScanMode.DotMatrixMeter);
}
Util.PopulateRadioGroupWithList(this, radioGroup, _scanList, defaultIndex);
// Switch the scan mode depending on user selection
radioGroup.CheckedChange += (sender, args) =>
{
_scanView.CancelScanning();
var rb = FindViewById <RadioButton>(args.CheckedId);
var scanMode = _scanList.Single(x => x.Key.Equals(rb.Text)).Value;
_scanView.SetScanMode(scanMode);
_scanView.StartScanning();
};
_scanView.CameraOpened += (s, e) => { Log.Debug(TAG, "Camera opened successfully. Frame resolution " + e.Width + " x " + e.Height); };
_scanView.CameraError += (s, e) => { Log.Error(TAG, "OnCameraError: " + e.Event.Message); };
_scanView.SetCancelOnResult(false);
}
