Use adb logcat, DDMS, or the DDMS perspective in Eclipse to examine
LogCat and look at the stack trace associated with your "barf".
On Wed, Sep 29, 2010 at 8:39 PM, Saied <saie...@gmail.com> wrote:
> Hi,
>
> I am using the Tab Layout almost copied from the example provided. But
> it's not working:
>
> public class TabHolder extends TabActivity {
> /** Called when the activity is first created. */
> �...@override
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
>
> setContentView(R.layout.main);
>
> Resources res = getResources(); // Resource object to get
> Drawables
> TabHost tabHost = getTabHost(); // The activity TabHost
> TabHost.TabSpec spec; // Resusable TabSpec for each tab
> Intent intent; // Reusable Intent for each tab
>
> // Create an Intent to launch an Activity for the tab (to be
> reused)
> intent = new Intent().setClass(this, ArtistsActivity.class);
>
> // Initialize a TabSpec for each tab and add it to the TabHost
> spec = tabHost.newTabSpec("artists").setIndicator("Artists",
> res.getDrawable(R.drawable.ic_tab_info))
> .setContent(intent);
>
> // ok up to here
> tabHost.addTab(spec); // barfs right here **************
>
>
> // Do the same for the other tabs
> intent = new Intent().setClass(this,
> MessagEaseSettings.class);
> spec = tabHost.newTabSpec("settings").setIndicator("Settings",
> res.getDrawable(R.drawable.ic_tab_settings))
> .setContent(intent);
> tabHost.addTab(spec);
>
> intent = new Intent().setClass(this, SongsActivity.class);
> spec = tabHost.newTabSpec("how").setIndicator("How",
> res.getDrawable(R.drawable.ic_tab_how))
> .setContent(intent);
> tabHost.addTab(spec);
>
> tabHost.setCurrentTab(2);
> }
>
> }
>
>
>
> seems that the problem happens when it adds the spec:
>
> tabHost.addTab(spec);
>
> But there is not much to this:
>
> intent = new Intent().setClass(this, ArtistsActivity.class);
>
> // Initialize a TabSpec for each tab and add it to the TabHost
> spec = tabHost.newTabSpec("artists").setIndicator("Artists",
> res.getDrawable(R.drawable.ic_tab_info))
> .setContent(intent);
>
> the activity (ArtistsActivity) exists and passes Eclipse's strict
> checks.
>
> the strings "artists" and "Artists" should not matter, and they are
> taken from the exmple.
>
> and the drawalbe.ic.tab.info does exist, exactly as the example
> requires it:
>
>
> <?xml version="1.0" encoding="utf-8"?>
> <selector xmlns:android="http://schemas.android.com/apk/res/android";>
> <!-- When selected, use grey -->
> <item android:drawable="@drawable/tab_info_gray"
> android:state_selected="true" />
> <!-- When not selected, use white-->
> <item android:drawable="@drawable/tab_info_white" />
> </selector>
>
>
> Can anyone give me a hint as to where to look for? Any help is much
> appreciated.
>
> Best,
>
> Saied
>
>
>
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--
Mark Murphy (a Commons Guy)
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