b132ada169
1. Add string for the content of tooltip. 2. Show the tooltip if needed: the tooltip will only be shown once when users change the font size from the Settings page for the first time. 3. Since the layout shown on the screen will be recreated after font size changes, we need to save the state of the tooltip popup window to check if we need to reshow it in displayPreference. Bug: 269679768 Test: Manually - attach videos to the bug Test: make RunSettingsRoboTests ROBOTEST_FILTER=PreviewSizeSeekBarControllerTest Change-Id: I1b6c5fdbd74c7a868cf42bd21d2cdb1052c0bbe6
Running Settings Robolectric tests
The full suite
$ croot
$ make RunSettingsRoboTests
Running a single test class
$ croot
$ make RunSettingsRoboTests ROBOTEST_FILTER=<ClassName>
For example:
make RunSettingsRoboTests ROBOTEST_FILTER=CodeInspectionTest
You can also use partial class name in ROBOTEST_FILTER. If the partial class name matches multiple file names, all of them will be executed.