Imagine that you want to do something, while the display in is action (not in sleep mode) and at the same time, you don't want to do anything else. This situation is like children lock, in which, all buttons fail to react, temporarily, to disable any kind of interaction by a child.
Is there a way to achieve this in Android? Do we have something like lock screen?
Answer
If your talking within your app, this is impossible as you cannot override the home button even if it is soft or hard button. So a full lock is always impossible.
This is to stop rogue app's taking full control of the phone.
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