Cardboard SDK v1.3.0 (2020-10-20)

Breaking & behavioral changes

None.

Added new CardboardDistortionRenderer constructors for to support multiple rendering APIs in a future release. Only OpenGL ES 2 is currently implemented.
Added validation for pointers passed in to each API function before dereferencing them. Invalid parameters get logged to the debug console.
Added validation that Cardboard_initializeAndroid() has been called before any other API function is. Invalid calls get logged to the debug console.
Updated iOS sample app to work with iOS 14.
Changed Android minimum SDK version to 16 from 19 in Android SDK.
Changed Android target API version to 30 from 28 in Android SDK and sample app.

CardboardDistortionRenderer_create has been removed. Call CardboardOpenGlEs2DistortionRenderer_create instead.

Merged #91: Added Android Studio styling.
Fixed #29: Repository contains a gitignore file.
Added support for apps that use Cronet for network operations. See CronetEngine.createURLStreamHandlerFactory for specifics.
Changed use of Context in Android specific code to work with any Context that has a WindowManager where previously it only worked with Context objects of type Activity. This helps when dependency injection frameworks like Dagger.
Improved Android API compatibility to get screen pixel density.
Added a toast explaining when barcode detection libraries are not available and a WiFi update of Google Play Services is required.

Fixed #29: A .gitignore file has been added to the SDK repository.
Fixed #33: Unity XR plugin no longer requires both iOS and Android Unity modules to be installed.
Fixed #34: On Android, Unity projects entering XR mode won't crash anymore if Cardboard XR Plugin is not enabled in Player Settings > XR Plug-in Management.
Fixed #50: Unity XR plugin displays gear and close textures after loading a new scene.
Fixed #55, merged #2: Unity XR plugin no longer throws an error when building for platforms other than Android or iOS.
Fixed #59 and #98: Unity XR plugin can be turned on and off at runtime.
Fixed #89: QR code scanner accepts both TEXT and URL barcode types.