Android Security and Protection Policy

Background:

With the development of applications, application security has become more and more important, and some criminals have begun to decompile or hijack some app source code.Some people even take screenshots and then identify them to obtain other people's content.How should we protect our application when processing it?Next, we can analyze the use of some scenarios

1. Prevent screenshots:

In the system, the logo to prevent screenshots has been provided, we just need to add it

getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);

This can only prevent a page from being screened. If all pages are needed, they can be placed in the base class (parent class), and subclasses can be configured by parameters

A screen capture via the IDE will also report an error.

The screen recording is also a black screen.

2. Data encryption

2.1SharedPreferences

The

SharedPreferences class is used more in Android to store temporary data, but the data stored in this class is stored in a folder as an xml file.All, just after rooting the device, find the file