1 If you want to set the code preference of Android studio, you need the code development tools of Android studio. Click "File" in the menu of Android studio, and the option of "Setting" will pop up.

2 Enter the setting interface, and then select the "Check" option in the project setting tab.

3 In the list that can be seen, find the option of Android lint in the list, and click Android lint to expand the information.

4 In the list expanded by Android lint, you can see that there are many code check items, and you can check some errors that need to be checked. The check items are severity errors.

5 You can directly click the severity drop-down box to change the error level, and you can modify the code according to the error level in code inspection.

6 You can also add more, enter the severities editor, and classify the grades of adding errors. In Edit Settings | Color &; Choose a different color font.