是否正在通知或检测截图？ [英] Notification of or detecting screenshot being taken?

问题描述

是否有通知或其他机制被告知用户正在使用家庭/电源按钮截屏？

Is there a notification or other mechanism of being informed that the user is taking a screenshot with the home/power buttons?

我看过有关想要的线程禁止拍摄截图，但这不是我想要做的。

I've seen threads about wanting to disable the taking of screenshots, but that's not what I'm looking to do.

我有一位摄影师客户担心他的作品会被用户拍下来复制屏幕截图，我认为如果有机会在拍摄截图之前在图像上添加水印，这将减轻他的恐惧。

I have a photographer client who's concerned that his works will be copied by means of users taking screenshots and I thought that if there was an opportunity to put a watermark across the image before the screenshot was taken, that would allay his fears.

推荐答案

这是一种可行的方法，虽然它完全违背用户界面指南我敢肯定。如果您强迫用户将手指放在屏幕上以显示图像，那么我认为他们无法创建屏幕截图。因为只要您按下主页+锁定键来实际截取屏幕截图，屏幕就会表现得好像没有手指触摸它。尝试在主屏幕之间移动时截取屏幕截图，看看我的意思。

Here's a way which might work, although it will totally go against user interface guidelines I'm sure. If you force the user to have their finger on the screen for the image to show then I don't think they can create screenshots. Because as soon as you press the home+lock keys to actually take the screenshot, the screen seems to behave as if there are no fingers touching it. Try taking a screenshot while moving between home screens to see what I mean.

不管怎么说，这不是一个完美的解决方案，但是如果你真的很聪明而没有从用户体验中贬低太多，你可以将它用于你的应用程序设计中（虽然是艰难的挑战！）。不过，我相信这可能会让您在不允许用户截取屏幕截图的情况下显示图片/照片。

Not a perfect solution by any means but you may be able to work it into your app design if you're really clever without it detracting too much from the user experience (a tough challenge though!). Nevertheless, I believe this may allow you to display artwork/photos without allowing users to take screenshots.

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