metaio拍照

-(BOOL)TakePhoto:(NSString*)imagePath
{
    m_metaioSDK->requestScreenshot([imagePath UTF8String], self.glView->defaultFramebuffer, self.glView->colorRenderbuffer);
    return YES;
}
-(void) onScreenshotSaved:(NSString*) filepath
{
    UIImage *image = [UIImage imageWithContentsOfFile:filepath];
    UIImageWriteToSavedPhotosAlbum(image, self, nil, NULL);
    UIAlertView *alert = [[UIAlertView alloc]initWithTitle:nil message:@"拍照成功" delegate:self cancelButtonTitle:@"OK" otherButtonTitles: nil];
    [alert show];
}