What about titanium backup? Change the application to a system file.

The method of transforming application program into system program by titanium backup;

Prerequisite: I have successfully used 360 with root privileges. I installed 360 license management software.

Install RE manager

Install Baidu input method (slim down the system in advance, uninstall the default input method, and only save Baidu input method).

Use RE Manager to move the APK file of Baidu input method to the system directory, and the installation setting is completed.

Restart the phone, debugging is no problem.

Finally, restore and reset the phone.

Baidu input method still exists.

The user input method was successfully transplanted into the system program.

Reference link: /p/2 17 1829709

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