8.6 Parameter Name Hints
The code editor may be configured to display parameter name hints within method calls. , for example, highlights the parameter name hints within the calls to the make() and setAction() methods of the Snackbar class:
Figure 8-11
The settings for this mode may be configured by selecting the File -> Settings (Android Studio -> Preferences on macOS) menu option followed by Editor -> Appearance in the left-hand panel. On the Appearance screen, enable or disable the Show parameter name hints option. To adjust the hint settings, click on the Configure... button, select the programming language and make any necessary adjustments.