Re-mapping keys / Creating or re-assigning keyevent

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OK, I've looked around but can't find an answer. Or at least an answer that I can understand. Basically what I'm trying to do is add the ability to quit/exit an app. I've read all about the differing opinions on quitting an app versus pressing back. However, just for my own self-teaching purposes, I want to learn how to do this. I'd like to be able to long-press or double tap a key to either immediately exit an app, or bring up an alternate pop-up menu that allows you to choose an action.

I am thinking specifically in relation to the Browser. The quit option was more necessary pre-CM6 because often times, it would take forever to load the home screen after pressing "home" in order to stop using the browser. A simple exit/quit option that some apps have, usually acts much quicker. Everyone knows that if you've been browsing through a bunch of webpages, hitting the back button repeatedly is a pain in the ass. The other option is to hit menu-->windows-->then close all the open windows-->then hitting the back button once the new window pops up because browser automatically opens a new page once all open windows have been closed.

Another annoyance is not being able to quickly get to your home page. Is there a way to remap/reassign/whatever, keys so that on long-press or double-tap of say, menu, or trackball, a menu pops up which has a "exit/quit" option and a "home page" option?
Another option is to add to the menu (when you hit menu), a "quit/exit" or "homepage" option.
Any help would be appreciated.

So much for a "supporting community". Way to help each other out.

What your trying to do should be located in the /system/usr folder. It has the key information you are trying to edit.

Originally Posted by bubonik

So much for a "supporting community". Way to help each other out.

What your trying to do should be located in the /system/usr folder. It has the key information you are trying to edit.

Yeah, most people are probably trying to figure out a way to tell me I posted in the wrong section or that I need to use the search function. Thanks for your answer but I am familiar with the /system/usr files...I don't see anything in there relating to an action that quits/exits an app. Is there a specific action that is called when someone presses menu while using an app, and the menu brings up options including quit/exit?

Really? Nobody?

The keymap files are stored in /system/usr/keylayout, open them up and have a look at the things you can assign to keys.

Pull-edit-push the correct version for your handset hardware and reboot, changes will take effect. Obviously Magics are sapphire-keypad.kl and G1s are one of the trout files. Most G1s are trout-keypad-v3.kl though you can confirm your specific hardware version with getprop.

Have a search for "keymap" and "keylayout", you'll find there's already a bit of work been done of this, for example this auto key-changer.

I appreciate the help but I guess I'm not explaining myself properly. I have looked at the files in /system/usr/. I know how to remap a key so that, say...volume down = pause music, or change the menu key to have it end a call if I wanted...I know I'm not using the correct terminology all the time but when looking at the various .kl files, there are various "actions" that can be attributed to a particular key. For instance, keys 107 & 62 = Endcall, key 158 = Back, key 10 = the number 9.
In the column next to the numerical keycode in each of the .kl files, there is an "action" that results from pressing the particular key. The action I am looking for is a "quit" and/or "exit" action to apply to a particular key. Let's say I wanted to have key 231 in the sapphire keypad, kill the app I am using. Right now, pressing key 231 = CALL button. Is there a keyevent such as Kill_app or something to that affect that I could put in place of the CALL action so that key 231 = Kill app?