wow well, i guess i solved my own problem.
instead of overriding the tabhost's implementation of
dispatchkeyevent, i implemented my logic in my extension of tab
activity and it works!
On Jan 12, 12:55 pm, RLo <leecha...@gmail.com> wrote:
> Hi All,
>
> I have a tabhost with the tabwidget on the bottom (not hard to do,
> just put the tabcontent above the tabs in the tab xml). However, I
> noticed the order of focus is off (since the tabhost is hardcoded to
> be on the top). I'd like to change 2 things in how the tabhost
> handles focus order:
>
> 1. change the tabwidget's position in the focus order (to be on
> bottom, not top)
> 2. allow left and right focus commands to change the tabs from
> anywhere (not just when the tabwidget is focused)
>
> For #2 above, see HTC's sense toolbars for an example (built into the
> hero, such as the albums or people native apps).
>
> I think I can achieve both of these by overriding tabhost's
> dispatchKeyEvent (code at bottom), I would just change the current
> implementation to handle KEYCODE_DPAD_DOWN instead of KEYCODE_DPAD_UP,
> and then add in left and right detection as well.
>
> How can I override JUST this method in the tabhost implementation?
> I'm not a Java pro, so this could be relatively simple and I'm just
> clueless how to do it :)
>
> Thanks much!
>
> --------------------------------------------------------------------------------------
> @Override
> public boolean dispatchKeyEvent(KeyEvent event) {
> final boolean handled = super.dispatchKeyEvent(event);
>
> // unhandled key ups change focus to tab indicator for
> embedded activities
> // when there is nothing that will take focus from default
> focus searching
> if (!handled
> && (event.getAction() == KeyEvent.ACTION_DOWN)
> && (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_UP)
> && (mCurrentView.isRootNamespace())
> && (mCurrentView.hasFocus())
> && (mCurrentView.findFocus().focusSearch
> (View.FOCUS_UP) == null)) {
> mTabWidget.getChildAt(mCurrentTab).requestFocus();
> playSoundEffect(SoundEffectConstants.NAVIGATION_UP);
> return true;
> }
> return handled;
> }
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