如何在分享按钮中获取和显示屏幕截图?
How to get and show screenshot in share button?
下面我尝试编写代码,以便 screenShot 函数可以截取我的 viewController 的完整屏幕截图。我想弄清楚如何截取屏幕截图并将其放入 sharePressed 操作中的 activityItems 中,以便在您尝试共享时显示屏幕截图。
func captureScreen() -> UIImage? {
UIGraphicsBeginImageContextWithOptions(view.bounds.size, false, UIScreen.main.scale)
view.layer.render(in: UIGraphicsGetCurrentContext()!)
let image = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
return image
}
@IBAction func sharePressed(_ sender: Any) {
let activityVC = UIActivityViewController(activityItems: [""], applicationActivities: nil)
activityVC.popoverPresentationController?.sourceView = self.view
self.present(activityVC, animated: true, completion: nil)
}
@IBAction func sharePressed(_ sender: Any) {
let imgScreenshot = captureScreen()
if let imgScreenshot = imgScreenshot {
let objectsToShare = ["Post message", imgScreenshot] as [Any]
let activityVC = UIActivityViewController(activityItems: objectsToShare, applicationActivities: nil)
activityVC.excludedActivityTypes = [UIActivityType.airDrop, UIActivityType.addToReadingList]
self.present(activityVC, animated: true, completion: nil)
}
}
下面我尝试编写代码,以便 screenShot 函数可以截取我的 viewController 的完整屏幕截图。我想弄清楚如何截取屏幕截图并将其放入 sharePressed 操作中的 activityItems 中,以便在您尝试共享时显示屏幕截图。
func captureScreen() -> UIImage? {
UIGraphicsBeginImageContextWithOptions(view.bounds.size, false, UIScreen.main.scale)
view.layer.render(in: UIGraphicsGetCurrentContext()!)
let image = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
return image
}
@IBAction func sharePressed(_ sender: Any) {
let activityVC = UIActivityViewController(activityItems: [""], applicationActivities: nil)
activityVC.popoverPresentationController?.sourceView = self.view
self.present(activityVC, animated: true, completion: nil)
}
@IBAction func sharePressed(_ sender: Any) {
let imgScreenshot = captureScreen()
if let imgScreenshot = imgScreenshot {
let objectsToShare = ["Post message", imgScreenshot] as [Any]
let activityVC = UIActivityViewController(activityItems: objectsToShare, applicationActivities: nil)
activityVC.excludedActivityTypes = [UIActivityType.airDrop, UIActivityType.addToReadingList]
self.present(activityVC, animated: true, completion: nil)
}
}