1. 23f85ec Move Keyguard to SystemUI by Jason Monk · 8 years ago[Renamed from packages/Keyguard/res/drawable/ic_backspace_24dp.xml]
  2. 9042750 Added padding and gravity support to PIN entry by Evan Rosky · 8 years ago
  3. a95c8ab API REVIEW: VectorDrawable by ztenghui · 10 years ago
  4. 4e8b9ed Implemented new PIN unlock design by Selim Cinek · 10 years ago