Method and device of acquiring input character

Abstract

The embodiment disclosed by the description provides a method of acquiring an input character. The method includes: creating a new function used for receiving the input character in an input box, wherein the new function corresponds to a system-default system callback function used for receiving the input character in the input box; interchanging an address of the new function and an address of the system callback function; and in response to a character input operation on the input box, still calling an original address, and thus acquiring the input character through the new function, whereinsince the addresses are already interchanged, a function called back through the original address will be the newly created function.

Description

technical field [0001] The multiple embodiments disclosed in this specification relate to the technical field of network communication, and in particular to a method and device for acquiring input characters. Background technique [0002] With the development of Internet technologies, people use multiple applications (Applications, APPs for short) included in terminals (such as mobile phones and computers) more and more frequently to meet various needs of life or work. For example, use a payment application (such as Alipay, etc.) to perform operations such as transfer and payment, or use a note application (such as Evernote, etc.) to record work items or life details, or use a shopping application (such as Taobao, Tmall Supermarket, etc.) ) to view shopping inquiries or purchase desired products, or use travel apps (such as Fliggy, etc.) to purchase train tickets, plane tickets or book hotels, etc. [0003] When users use the APP, it is inevitable that they need to input so...

AI Technical Summary

Problems solved by technology

At present, the information entered by users in the APP has a greater risk of being stolen

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