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POWhy UnCaught Exception occurs in a TabActivity?
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  1. POWhy UnCaught Exception occurs in a TabActivity?
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    copied!<p>I have created a TabActivity and added TabWidget and frame to the layout.</p> <p>I have four other Activity classes with single label in each Activity. Four tabs are associated with four tabs.</p> <p>When I am trying to launch the application in emulator, I am getting the below exception</p> <blockquote> <p>09-03 23:24:43.905: ERROR/AndroidRuntime(450): java.lang.NullPointerException 09-03 23:24:43.905: ERROR/AndroidRuntime(450): at android.widget.TabHost.dispatchWindowFocusChanged(TabHost.java:295) 09-03 23:24:43.905: ERROR/AndroidRuntime(450): at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:661) 09-03 23:24:43.905: ERROR/AndroidRuntime(450): at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:661)</p> </blockquote> <pre><code>public class TabHome extends TabActivity { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); TabHost tabHost=getTabHost(); TabHost.TabSpec tabSpec; Resources res=getResources(); Intent intent; intent=new Intent().setClass(this, MyMap.class); tabSpec= tabHost.newTabSpec("Maps").setIndicator("Maps",res.getDrawable(R.drawable.ic_tab_artists)).setContent(intent); tabHost.addTab(tabSpec); intent=new Intent().setClass(this, MyStash.class); tabSpec= tabHost.newTabSpec("Stash").setIndicator("Stash",res.getDrawable(R.drawable.ic_tab_artists)).setContent(intent); tabHost.addTab(tabSpec); intent=new Intent().setClass(this, MyList.class); tabSpec= tabHost.newTabSpec("List").setIndicator("List",res.getDrawable(R.drawable.ic_tab_artists)).setContent(intent); tabHost.addTab(tabSpec); intent=new Intent().setClass(this, MySearch.class); tabSpec= tabHost.newTabSpec("Search").setIndicator("Search",res.getDrawable(R.drawable.ic_tab_artists)).setContent(intent); tabHost.addTab(tabSpec); tabHost.setCurrentTab(2); } </code></pre>
 

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