protected override void OnCreate (Bundle savedInstanceState)
{
base.OnCreate (savedInstanceState);
fingerprintModule = new FingerprintModule(this);
mKeyguardManager = fingerprintModule.ProvidesKeyguardManager (this);
mKeyStore = fingerprintModule.ProvidesKeystore ();
mKeyGenerator = fingerprintModule.ProvidesKeyGenerator ();
mCipher = fingerprintModule.ProvidesCipher (mKeyStore);
RequestPermissions (new [] { Manifest.Permission.UseFingerprint }, 0);
}
protected override void OnCreate (Bundle bundle)
{
base.OnCreate (bundle);
SetContentView (Resource.Layout.Main);
keyguardManager = (KeyguardManager)GetSystemService (Context.KeyguardService);
var purchaseButton = FindViewById <Button> (Resource.Id.purchase_button);
if (!keyguardManager.IsKeyguardSecure) {
// Show a message that the user hasn't set up a lock screen.
Toast.MakeText (this, "Secure lock screen isn't set up.\n"
+ "Go to 'Settings -> Security -> Screenlock' to set up a lock screen",
ToastLength.Short).Show ();
purchaseButton.Enabled = false;
return;
}
CreateKey ();
// Test to encrypt something. It might fail if the timeout expired (30s).
purchaseButton.Click += (object sender, EventArgs e) => TryEncrypt ();
}