How to detect Screen On / Screen Off by intent?

Hi,
I can detect screen on/off by using PhoneEvents but to check it for long run, I need to use service and must to display notification icon. So I want to detect it by intent with this.

Manifest code:

Code:

  AddPermission(android.permission.READ_PHONE_STATE)
AddReceiverText(service1, 
<intent-filter>
        <action android:name="android.intent.action.SCREEN_OFF"/>
        <action android:name="android.intent.action.SCREEN_ON"/>
 </intent-filter>
)  

service1 code:

Code:

  Sub...  

How to detect Screen On / Screen Off by intent?

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