I want to implement some code lines that allow Android turn on/off screen like we quick turn on/off device by using Power button. Is there any way to do that?
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I want to implement some code lines that allow Android turn on/off screen like we quick turn on/off device by using Power button. Is there any way to do that?
It seems you want to lock the device not turn it off. To lock the device its a simple code. Mentioned here
It uses device Policy Manager
lockNow()methodIn case of a RuntimeError use the method described in this question to set permissions
Android DevicePolicyManager lockNow()
http://developer.android.com/reference/android/app/admin/DevicePolicyManager.html
To switch off the device:
This is not possible but you can reboot it using PowerManager
http://developer.android.com/reference/android/os/PowerManager.html#reboot
Note this requires REBOOT permission and OS may cancel it.