ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,990, issued on Sept. 9, was assigned to HUAWEI DEVICE Co. LTD. (Dongguan, China).
"System function invoking method and apparatus, and terminal" was invented by Xi Huang (Shenzhen, China) and Huangwei Wu (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system function invoking method includes acquiring an installation package of a first application program, granting a first permission of a system to the first application program according to the installation package, where the first permission is used to, when the first application program is in a running state, forbid a second application program from invoking at least one system f...