Patent attributes
Method and device for processing a payment are disclosed. The method is performed at a user device and includes: receiving a user instruction for starting a payment through a pre-set payment platform; selecting a respective loading process from a plurality of loading processes for invoking a payment application, wherein: the plurality of loading processes include two or more of: (1) a first loading process for invoking the payment application immediately in a foreground process, (2) a second loading process for simulating at least one payment interface of the payment application in the purchase application before loading the payment application in the user device, and (3) a third loading process for completing the payment using simulated payment interfaces of the payment application without loading the payment application in the user device.
