public void OnOpenFingerprintReader(BiometricsResultCode resultCode,
string hint)
{
/* If hint is valid, display it. */
if (null != hint && hint.Length != 0)
{
mStatusTextView.Text = hint;
}
if (BiometricsResultCode.Ok == resultCode)
{
/* Now that sensor is open, if user presses "mOpenCloseButton" fingerprint
* sensor should now close. To achieve this we change flag which controls
* what action mOpenCloseButton takes.
*/
mOpenFingerprint = false;
/* If fingerprint opened then we change button to say "Close". */
mOpenCloseButton.SetText(Resource.String.close);
/* Re-enable button since operation is complete. */
setAllComponentEnable(true);
/* Disable match since both FMD templates must be created first. */
mMatchButton.Enabled = false;
}
else if (BiometricsResultCode.Intermediate == resultCode)
{
}
else if (BiometricsResultCode.Fail == resultCode)
{
/* Re-enable button since operation is complete. */
mOpenCloseButton.Enabled = true;
}
}
public void OnFingerprintGrabbed(BiometricsResultCode resultCode,
Bitmap bitmap,
byte[] bytes,
string filePath,
byte[] WSQbytes,
string WSQFilePath,
string hint,
int NFIQScore)
{
/* If hint is valid, display it. */
if (null != hint && hint.Length != 0)
{
mStatusTextView.Text = hint;
}
if (null != bitmap)
{
mFingerprintOneImageView.SetImageBitmap(bitmap);
}
if (BiometricsResultCode.Ok == resultCode)
{
mInfoTextView.Text = ("Quality: " + NFIQScore);
/* Create template from fingerprint image. */
createFMDTemplate(bitmap);
setAllComponentEnable(true);
}
else if (BiometricsResultCode.Intermediate == resultCode)
{
/* This case may occur if "cancelCapture()" or "closeFingerprint()" are called while
* in middle of capture OR if capture failed.
*/
if (null != hint && hint.Equals("Capture Stopped"))
{
setAllComponentEnable(true);
}
}
else if (BiometricsResultCode.Fail == resultCode)
{
mStatusTextView.Text = "Failed to capture fingerprint.";
setAllComponentEnable(true);
}
}
public void OnInitialized(BiometricsResultCode p0,
string p1,
string p2)
{
int strID = Resource.String.bio_init_good;
if (BiometricsResultCode.Ok == p0)
{
mOpenCloseButton.Enabled = true;
setDeviceType(mBioManager.ProductName);
}
else if (BiometricsResultCode.Fail == p0)
{
strID = Resource.String.bio_init_failed;
}
Toast.MakeText(mContext, strID, ToastLength.Long).Show();
}
public void OnCompareFMD(BiometricsResultCode resultCode,
float matchScore)
{
/* Re-enable all components since operation is now complete. */
setAllComponentEnable(true);
if (BiometricsResultCode.Ok == resultCode)
{
String matchDecision = "Match Score = " + matchScore;
mStatusTextView.Text = ("Matching complete.");
mInfoTextView.Text = ("Match outcome: " + matchDecision);
}
else if (BiometricsResultCode.Fail == resultCode)
{
mStatusTextView.Text = "Failed to compare templates.";
mInfoTextView.Text = "";
}
}
public void OnCloseFingerprintReader(BiometricsResultCode resultCode,
BiometricsCloseReasonCode closeReasonCode)
{
if (BiometricsResultCode.Ok == resultCode)
{
mStatusTextView.Text = ("Fingerprint Closed: " + closeReasonCode);
}
/* Now that sensor is closed, if user presses "mOpenCloseButton" fingerprint
* sensor should now open. To achieve this we change flag which controls
* what action mOpenCloseButton takes.
*/
mOpenFingerprint = true;
/* Change text back to "Open" and allow button to be clickable. */
mOpenCloseButton.SetText(Resource.String.open);
mOpenCloseButton.Enabled = true;
/* Since sensor is closed, user should NOT be able to press capture or match. */
mCaptureButton.Enabled = false;
mMatchButton.Enabled = false;
}
public void OnInitialized(BiometricsResultCode p0,
string p1,
string p2)
{
int strID = Resource.String.bio_init_good;
if (BiometricsResultCode.Ok == p0)
{
mOpenCloseButton.Enabled = true;
setDeviceType(mBioManager.ProductName);
}
else if (BiometricsResultCode.Fail == p0)
{
strID = Resource.String.bio_init_failed;
}
mInfoTextView.Text = "C-SDK Jar version: " + mBioManager.SDKJarVersion;
mStatusTextView.Text = "C-SDK Service version: " + mBioManager.ServiceVersion;
Toast.MakeText(mContext, strID, ToastLength.Long).Show();
}
public void OnCompareFmd(BiometricsResultCode resultCode,
float dissimilarity)
{
/* Re-enable all components since operation is now complete. */
setAllComponentEnable(true);
if (BiometricsResultCode.Ok == resultCode)
{
String matchDecision = "No Match";
/* This is how to properly determine a match or not. */
if (dissimilarity < (int.MaxValue / 1000000))
{
matchDecision = "Match";
}
mStatusTextView.Text = ("Matching complete.");
mInfoTextView.Text = ("Match outcome: " + matchDecision);
}
else if (BiometricsResultCode.Fail == resultCode)
{
mStatusTextView.Text = "Failed to compare templates.";
mInfoTextView.Text = "";
}
}
public void OnConvertToFMD(BiometricsResultCode p0, byte[] p1)
{
_finishedWithResult?.Invoke(new CovertToFMDResult {
ResultCode = p0, FMD = p1
});
}
public void OnCloseFingerprintReader(BiometricsResultCode resultCode,
BiometricsCloseReasonCode closeReasonCode)
{
/* This case is already handled by "mFingerprintOpenCloseListener". */
}
