Fingerprint API for Android

Transcript

1. Fingerprint API for Android @takuji31
2. About me • Takuji Nishibayashi • @takuji31 • Fenrir Inc. • NNID: takuji31 • Udemae: S / Rank: 41 • Loves Android / Kotlin
3. New features in Marshmallow (Android 6)
4. Now on Tap
5. New Permission Model
6. see. http://bit.ly/1LI09MJ
7. Fingerprint API
8. Authentication with Fingerprint
9. Available in Nexus 5X/6P (Nexus Imprint)
10. how to use
11. Use these APIs in conjunction with the Android Keystore system. — Android 6.0 APIs
12. Needs keyguard lock
13. PIN
14. Password
15. Pattern
16. Add USE_FINGERPRINT permission
17. Add USE_FINGERPRINT permission <uses-permission android:name="android.permission.USE_FINGERPRINT" />
18. Check keyguard is enabled
19. Check keyguard is enabled public class MainActivity extends Activity { KeyguardManager mKeyguardManager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (!mKeyguardManager.isKeyguardSecure()) { // keyguard disabled Toast.makeText(this, "Secure lock screen hasn't set up.\n" + "Go to 'Settings -> Security -> Fingerprint' to set up a fingerprint", Toast.LENGTH_LONG).show(); return; } } }
20. Check fingerprint registered
21. Check fingerprint registered public class MainActivity extends Activity { @Inject FingerprintManager mFingerprintManager; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); if (!mFingerprintManager.hasEnrolledFingerprints()) { // no fingerprints registered Toast.makeText(this, "Go to 'Settings -> Security -> Fingerprint' and register at least one fingerprint", Toast.LENGTH_LONG).show(); return; } } }
22. Create encryption key
23. Start Authentication
24. Start Authentication mCancellationSignal = new CancellationSignal(); mFingerprintManager.authenticate(cryptoObject, mCancellationSignal, 0, this, null); @Override public void onAuthenticationError(int errMsgId, CharSequence errString) { // authentication error } @Override public void onAuthenticationHelp(int helpMsgId, CharSequence helpString) { // needs help? } @Override public void onAuthenticationFailed() { // failed } @Override public void onAuthenticationSucceeded(FingerprintManager.AuthenticationResult result) { // succeeded }
25. but
26. These codes has no UI
27. Create UI yourself !
28. Darkness..?
29. No!
30. Use sample code dialog fragment
31. Two samples available • Fingerprint Dialog • Asymmetric Fingerprint Dialog
33. !
34. URL • Android 6.0 APIs • http://developer.android.com/intl/ja/about/versions/marshmallow/ android-6.0.html#fingerprint-authentication • Android Keystore System • http://developer.android.com/intl/ja/training/articles/keystore.html • FingerprintDialog sample • http://developer.android.com/intl/ja/samples/FingerprintDialog/ index.html • Google Store • https://store.google.com/category/phones • Buy now !
35. Happy secure life!