public SamsungFingerprintImplementation()
{
try
{
var spass = new Spass();
spass.Initialize(Application.Context);
_hasNoFingerPrintSensor = !spass.IsFeatureEnabled(Spass.DeviceFingerprint);
_spassFingerprint = new SpassFingerprint(Application.Context);
IsCompatible = true;
}
catch (SecurityException ex)
{
Log.Warn(nameof(SamsungFingerprintImplementation), ex);
_hasNoPermission = true;
}
catch (Exception ex)
{
Log.Warn(nameof(SamsungFingerprintImplementation), ex);
_hasNoApi = true;
}
}
public SamsungBiometricsImpl() {
//if (Android.OS.Build.VERSION == Android.OS.BuildVersionCodes.M)
var spass = new Spass();
try {
spass.Initialize(Application.Context);
if (spass.IsFeatureEnabled(Spass.DeviceFingerprint)) {
this.fingerprint = new SpassFingerprint(Application.Context);
this.available = this.fingerprint.HasRegisteredFinger;
}
}
catch (SsdkUnsupportedException ex) {
Debug.WriteLine("Error Initializing: " + ex);
}
catch (UnsupportedOperationException ex) {
Debug.WriteLine("Fingerprint Not Supported: " + ex);
}
catch (SecurityException ex) {
Debug.WriteLine("Invalid App Permissions: " + ex);
//<uses-permission android:name="com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY" />
}
}
private async Task<bool> StartIdentify(SpassFingerprint.IIdentifyListener listener)
{
// TODO: remove retry and delay, if samsung fixes the library
for (var i = 0; i < 5; i++)
{
try
{
_spassFingerprint.StartIdentify(listener);
return true;
}
catch (IllegalStateException ex)
{
Log.Warn(nameof(SamsungFingerprintImplementation), ex);
await Task.Delay(100);
}
catch (Exception ex)
{
Log.Warn(nameof(SamsungFingerprintImplementation), ex);
return false;
}
}
return false;
}
