Disable physical back button in Android?

[Adam Biggs]

Is there a way to completely disable this button?

[Simon MacDonald]

Register an event listener in the onLoad method of your page:

document.addEventListener("backbutton", backKeyDown, true);

Once you get the deviceready event override the back button behaviour:

navigator.app.overrideBackbutton(true);

Then provide and empty function for backKeyDown:

function backKeyDown() {}

I'm sure you'll be able to simplify that but you see what I mean.

Simon Mac Donald
http://hi.im/simonmacdonald

On Tue, Apr 12, 2011 at 2:15 PM, Adam Biggs <adam.v...@gmail.com> wrote:
> Is there a way to completely disable this button?
>

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[Adam Biggs]

Thanks a lot for your reply, I'll try that.

Another quick question - is there a way to programatically close the app? If possible I'd like to make the back button do the same as the home button (instead of doing absolutely nothing). If not I understand.

Cheers

[Martin Bay]

I use BackButton.exitApp(); to close the app.

[Simon MacDonald]

I would use:

navigator.app.exitApp();

which was introduced in 0.9.4 and it'll be the api going forward.

Simon Mac Donald
http://hi.im/simonmacdonald

[BBerisha]

Simply way, do it directly on java, extends Droidgap :

public class App extends DroidGap {
...
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) { // go back home
super.loadUrl("file:///android_asset/www/index.html");
return true;
}
if (keyCode == KeyEvent.KEYCODE_MENU) { //Exit app
this.finish();
return true;
}
return super.onKeyDown(keyCode, event);
}
}

dont forget to import android.view.KeyEvent

[Robert Fletcher]

Sorry bberish I think Simon's way is easier.

[Adam Biggs]

I tried what you suggested but I can't seem to get it to work. My code stalls at the "navigator.app.overrideBackbutton(true);" line and doesn't proceed (no errors in the console though). I'm using 0.9.4.

[Simon MacDonald]

My mistake, it doesn't look like that code is in 0.9.4.  It will be in 0.9.5.  In the meantime use:

BackButton.override();

Simon Mac Donald
http://hi.im/simonmacdonald

On Wed, Apr 13, 2011 at 9:35 PM, Adam Biggs <adam.v...@gmail.com> wrote:

I tried what you suggested but I can't seem to get it to work. My code stalls at the "navigator.app.overrideBackbutton(true);" line and doesn't proceed (no errors in the console though). I'm using 0.9.4.

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