Hello, it took to develop an application that limits access to other applications on the device. The main problem is that I cannot understand how to make this application run when one of the applications starts and shows a field for entering a pin-code, for example. Maybe there are some materials on this topic, it was also difficult to find them.
1 answer
Here is a simple version of what you need. In general, you can search for the app lock example in android , there are examples and ready-made libraries.
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