从Tab Host击退按钮时未调用OnResume

Question

I'm running into a pesky issue. I have two tab hosts ... tab host A and tab host B . Each tab host has three tabs (let's call them A1, B1, A2, B2, etc). Tab host B is launched from Activity A2 . Anyway, here is my problem:

When I'm in one of the tabs of tab host B and I navigate back to Activity A2 using the built in back button, onResume does not get called. I don't understand why this is the case ... I read the article on the Activity Lifecycle and it seems to me that as soon as Tab host B launches that Activity A2's onStop method should have been called ... and that as soon as I navigate back to it with the back button that A2's onStart and onResume methods should have been called. The only thing that I can think of is that maybe Tab Host A's onResume is being called instead of Activty A2's on resume. Any help would be much appreciated!

Here is the code I am using to kick of A2 from Tab Host A:

intent = new Intent().setClass(this, FiltersActivity.class);
spec = tabHost.newTabSpec("filters").setIndicator("Filters",
       res.getDrawable(R.drawable.ic_tab_filters)).setContent(intent);
tabHost.addTab(spec);

Answer 1

The developer page´s comment inherit´s the answer

 // Create an Intent to launch an Activity for the tab (to be reused)
    intent = new Intent().setClass(this, ArtistsActivity.class);

The activity is wrapped in your tab specification and it´s lifecycle is related to the specification now.

What you might wanna do is provide your own method you call when you switch to a tab and call it.

getTabHost().setCurrentTab(resumeTab);
Activity filtersActivity = this.getCurrentActivity();
filtersActivity.yourMethod();