private (Java_Object[], Java_Object) GetConstructorArgs(Context context)
{
if (Build.VERSION.SdkInt > BuildVersionCodes.P)
{
return(null, null);
}
if (_constructorArgsField == null)
{
_constructorArgsField = Java_Class.FromType(typeof(LayoutInflater)).GetDeclaredField("mConstructorArgs");
_constructorArgsField.Accessible = true;
}
var constructorArgs = (Java_Object[])_constructorArgsField.Get(this);
Java_Object previousContext = null;
if (constructorArgs != null)
{
previousContext = constructorArgs?[0];
constructorArgs[0] = context;
_constructorArgsField.Set(this, constructorArgs);
}
return(constructorArgs, previousContext);
}
void GetFrontSizes()
{
CameraManager manager = (CameraManager)Context.GetSystemService(Context.CameraService);
CameraCharacteristics characteristics = manager.GetCameraCharacteristics(frontCameraId);
StreamConfigurationMap map = (StreamConfigurationMap)characteristics.Get(CameraCharacteristics.ScalerStreamConfigurationMap);
frontCameraSizes = map.GetOutputSizes(Class.FromType(typeof(SurfaceTexture)));
}
private void SetPrivateFactory()
{
// LayoutInflater in Android versions greater than Honeycomb uses a private factory.
// Make sure that our custom layout inflater uses our private factory.
if (!_hasSetPrivateFactory && InterceptingService.PrivateFactoryInjection)
{
if (Context is IFactory2 factory2)
{
var setPrivateFactoryMethod = Java_Class.FromType(typeof(LayoutInflater)).GetMethod("setPrivateFactory", Java_Class.FromType(typeof(IFactory2)));
setPrivateFactoryMethod.Accessible = true;
setPrivateFactoryMethod.TryInvoke(this, new PrivateViewPumpFactory2(factory2, this));
}
_hasSetPrivateFactory = true;
}
}