title: did you forget to call setup(LocalActivityManager) exception in FragmentActivity
body: <p>I have this code where i want to display new fragments for each tab .</p>
  
  <pre><code>public class Second extends FragmentActivity{
  
  private TabHost mTabHost;
  private static final String TAG_1 = "tab1";
  private static final String TAG_2 = "tab2";
  private static final String TAG_3 = "tab3";
  private static final String TAG_4 = "tab4";
  
  Fragment srkt_fragment,srk2_fragment,holl_fragment,bink_fragment;
  
  EditText k1_e,k2_e,al_e,alconst_e,dr_e;
  float k1,k2,al,al_const,dr;
  int invalid=0;
  TextView emm;
  EditText k2_m,k1_m;
  
  
  
  
  
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.second);
  
  
      dr_e=(EditText)findViewById(R.id.dr_editText);
      k1_e=(EditText)findViewById(R.id.k1_editText);
      k2_e=(EditText)findViewById(R.id.k2_editText);
      al_e=(EditText)findViewById(R.id.al_editText);
      alconst_e=(EditText)findViewById(R.id.al_const_editText);
      emm=(TextView)findViewById(R.id.iolpower);
  
  
      mTabHost=(TabHost) findViewById(android.R.id.tabhost);
      mTabHost.setup();
  
  
      /*68 line*/addTab("SRK/T", TAG_1, createTabDrawable(R.drawable.ic_tab_eye_unselected), new Intent().setClass(Second.this, Srkt_x.class));
      addFragment(new Srkt_x(), true, FragmentTransaction.TRANSIT_NONE);
      addTab("SRK II", TAG_2, createTabDrawable(R.drawable.ic_tab_eye_unselected),new Intent().setClass(Second.this, Srk2_x.class));
      addFragment(new Srk2_x(), true, FragmentTransaction.TRANSIT_NONE);
      addTab("BINKHORST", TAG_3, createTabDrawable(R.drawable.ic_tab_eye_unselected), new Intent().setClass(Second.this, Binkhorst_x.class));
      addFragment(new Binkhorst_x(), true, FragmentTransaction.TRANSIT_NONE);
      addTab("HOLLADAY", TAG_4, createTabDrawable(R.drawable.ic_tab_eye_unselected), new Intent().setClass(Second.this, Holladay_x.class));
      addFragment(new Holladay_x(), true, FragmentTransaction.TRANSIT_NONE);
  </code></pre>
  
  <p>/<em>some more code goes here</em>/</p>
  
  <pre><code>private void addTab(String label, String tag, Drawable drawable, Intent intent) {
      TabHost.TabSpec spec = mTabHost.newTabSpec(tag);
      spec.setIndicator(createTabIndicator(label, drawable));
      spec.setContent(intent);
      intent.putExtra("AL", al);
      intent.putExtra("K1", k1);
      intent.putExtra("K2", k2);
      intent.putExtra("ALC", al_const);
      intent.putExtra("DR", dr);
      intent.putExtra("INVALID", invalid);
      mTabHost.addTab(spec);
      startActivity(intent);
  }
  void addFragment(Fragment fragment, boolean addToBackStack, int transition) {
      FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
      ft.replace(R.id.wrapfragment, fragment);//314 line
      ft.setTransition(transition);
      if (addToBackStack)
          ft.addToBackStack(null);
      ft.commit();
  }
  </code></pre>
  
  <hr>
  
  <p>I get the following exception</p>
  
  <pre><code>    02-13 10:26:12.734: D/AndroidRuntime(400): Shutting down VM
  02-13 10:26:12.734: W/dalvikvm(400): threadid=1: thread exiting with uncaught exception (group=0x40015560)
  02-13 10:26:12.744: E/AndroidRuntime(400): FATAL EXCEPTION: main
  02-13 10:26:12.744: E/AndroidRuntime(400): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.iolcalci/com.example.iolcalci.Second}: java.lang.IllegalStateException: Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.app.ActivityThread.access$1500(ActivityThread.java:117)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.os.Handler.dispatchMessage(Handler.java:99)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.os.Looper.loop(Looper.java:123)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.app.ActivityThread.main(ActivityThread.java:3683)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at java.lang.reflect.Method.invokeNative(Native Method)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at java.lang.reflect.Method.invoke(Method.java:507)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at dalvik.system.NativeStart.main(Native Method)
  02-13 10:26:12.744: E/AndroidRuntime(400): Caused by: java.lang.IllegalStateException: Did you forget to call 'public void setup(LocalActivityManager activityGroup)'?
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.widget.TabHost$IntentContentStrategy.getContentView(TabHost.java:652)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.widget.TabHost.setCurrentTab(TabHost.java:326)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.widget.TabHost.addTab(TabHost.java:216)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at com.example.iolcalci.Second.addTab(Second.java:314)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at com.example.iolcalci.Second.onCreate(Second.java:68)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
  02-13 10:26:12.744: E/AndroidRuntime(400):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
  02-13 10:26:12.744: E/AndroidRuntime(400):  ... 11 more
  </code></pre>
  
  <hr>
  
  <p>i know that it can  be corrected by using ActivityGroup instead of FragmentActivity but i want to use FragmentManager as well. please help me with this (A beginner in android)</p>