2. The logic of the home button in fingerprint payment is that if the verification interface of fingerprint payment has popped up (that is, a small window for verifying fingerprints has appeared in the system), then both light touch and long press are valid fingerprints until the fingerprint verification succeeds or fails;
3. In the non-payment interface, perform various functions of mback (tap to return to the previous level, long press to return to the desktop).
4. Meizu mBack is an interactive mode of Android smartphones, which was released by Meizu at the Charm Blue Note2 conference on June 2, 20 15. Based on the brand-new waist button design language, mBack physical Home button can be lightly touched and pressed back to the desktop, and mback combines light and heavy operations to realize pressure-sensitive operation similar to iPhone.
According to the latest patent announcement in China National Intellectual Property Administration, the patent of "user equipment and its operation control method" applied by Meizu Technology (China) Co., Ltd. on June 28th, 20th12nd has been approved, commonly known as mBack, and classified as "invention patent".