ARCore is available from Android version 9.0 and later. We will, therefore, verify the Target Framework version for the Android project by going through the following steps:
- In the Solution Explorer, double-click on the Properties node under the Android project.
- Verify that the Target Framework version is at least Android 9.0 (Pie), as shown in the following screenshot:
If there is an asterisk next to the Target Framework name, then you will need to install that software development kit (SDK) by going through the following steps:
- Locate the Android SDK Manager in the toolbar. You can also find it in Tools | Android | Android SDK Manager in the menu.
- Click the highlighted button to open the Android SDK Manager, as shown in the following screenshot:
This is the control center for all SDK versions of Android that are installed on the system.
- Expand the SDK version you want to install. In our...
