How to detect key-guard state in android
问题 I have an application that requires to detect the previous state of the key-guard before calling disableKeyguard() or reenableKeyguard() , set by the user! is there any way of accomplishing this task? 回答1: From documentation Use ((KeyguardManager)getSystemService(Context.KEYGUARD_SERVICE)).isKeyguardLocked() 来源: https://stackoverflow.com/questions/13986471/how-to-detect-key-guard-state-in-android