A common error is that the version of Android in the Player settings is too low for the version of Android on the device.
For example, the first time I tried to build for an Android AR project, I got the following error:
Error building Player: Android Minimum API Level must be set to 23 or higher.
By the time you run this project, the required Android version may be 24 or higher – read the message and follow its requirements. There may be some setting up the first time you build for Android, but once you have it working, you'll be able to develop and publish VR and AR projects on your Android devices.
This can be resolved by opening the Project Settings window (menu: Edit | Project Settings) and increasing Minimum API Level to the number stated in the error message, or a higher version. You can do this in the Player section and by going to the Other Settings values:
Figure 15.72 –...
