The answer is already in this forum:
http://groups.google.com/group/android-developers/browse_frm/thread/81d84efa68578924/e470ffd0dab85086?lnk=gst&q=screen_on#e470ffd0dab85086
(I simply searched for SCREEN_ON)

It seems the situation has not changed in SDK 1.5: For some reason,
registering through Manifest does not work - only registering
programmatically.

In that thread, Dianne also points out another problem that you repeat
above:
Why do you need to set android:process=":remote"? It takes 2MB of
additional valuable phone memory, without much additional value.

Peli
www.openintents.org

On Jul 20, 3:58 pm, JP <[email protected]> wrote:
> I've double checked my code and found I'm doing this slightly
> differently, although the method above should also work.
>
> Strike "Register" broadcast receiver in the manifest - this seems to
> be meerly a declaration of the receiver. No intent filters; I check
> the specific event types _ON/_OFF in the receiver's onReceive()
> method.
> The key: I register the BroadcastReceiver manually, using
> Context.registerReceiver(BroadcastReceiver receiver, IntentFilter
> filter)
>
> On Jul 19, 8:22 pm, jiaoni <[email protected]> wrote:
>
> > Thanks, JP. I have added following lines in AndroidManifest.xml, but
> > still cannot receive any message in my BroadcastReceiver's onReceive()
> > method. Is there anything I did wrong, or may I need some permission
> > to receive SCREEN_ON/SCREEN_OFF message? Please help.
>
> > <receiver android:name=".MessageReceiver" android:process=":remote">
> >         <intent-filter>
> >                         <action 
> > android:name="android.intent.action.SCREEN_ON"></action>
> >         <action android:name="android.intent.action.SCREEN_OFF"></action>
> >                         </intent-filter>
> > </receiver>
>
> > On Jul 18, 7:02 am, JP <[email protected]> wrote:
>
> > > 1. You need to create a subclass of BroadcastReceiver, override
> > > onReceive(Context context, Intent intent).
> > > In onReceive(), extract action from intent and catch ACTION_SCREEN_ON
> > > and ACTION_SCREEN_OFF
> > > 2. Next you need to register the BroadcastReceiver in
> > > AndroidManifest.xml
>
> > > On Jul 17, 12:02 am, jiaoni <[email protected]> wrote:
>
> > > > How can I catchSCREEN_ON/SCREEN_OFF broadcasts?
>
> > > > I have tried for hours, but failed. Please help.
>
> > > > Thanks a lot.
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