title: I get the error "Unreachable statement" return in android
body: <p>Why do I get the error that line 92 is an unreachable statement?
  The error is in this line:</p>
  
  
  
  <pre class="lang-java prettyprint-override"><code>final RadioButton r1 = (RadioButton) getView().findViewById(R.id.radio1);
  </code></pre>
  
  <p>Code:</p>
  
  <pre class="lang-java prettyprint-override"><code>public class TabFragmentA extends Fragment {
  
  
      @Override
      public View onCreateView(LayoutInflater inflater, ViewGroup container,
              Bundle savedInstanceState) {
  
          if (container == null) {
              return null;
          }
  
          return (RelativeLayout) inflater.inflate(R.layout.tab_layout_a, container, false);
  
  
          final RadioButton r1 = (RadioButton) getView().findViewById(R.id.radio1);  //the error is here
          final RadioButton r2 = (RadioButton) getView().findViewById(R.id.radio2);
  
          final ImageView iv1 = (ImageView) getView().findViewById(R.id.iv1); 
          final ImageView iv2 = (ImageView) getView().findViewById(R.id.iv2);
  
          iv1.setVisibility(View.INVISIBLE);
          iv2.setVisibility(View.INVISIBLE);
  
          r1.setOnCheckedChangeListener(new OnCheckedChangeListener() {
  
              public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                  // TODO Auto-generated method stub
                  if(r1.isChecked())
                  {
                      r2.setChecked(false);
                      iv2.setVisibility(View.INVISIBLE);
                      iv1.setVisibility(View.VISIBLE);
                  }
              }
          });
  
          r2.setOnCheckedChangeListener(new OnCheckedChangeListener() {
  
              public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                  // TODO Auto-generated method stub
                  if(r2.isChecked())
                  {
                      r1.setChecked(false);
                      iv1.setVisibility(View.INVISIBLE);
                      iv2.setVisibility(View.VISIBLE);
                  }
              }
          });
      }
  }
  </code></pre>
  
  <p>Logcat error:</p>
  
  <pre class="lang-java prettyprint-override"><code>01-23 02:43:31.082    1903-1903/br.com.eddboytools.PreDim E/AndroidRuntime﹕ FATAL EXCEPTION: main
      Process: br.com.eddboytools.PreDim, PID: 1903
      java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.view.View.findViewById(int)' on a null object reference
              at br.com.eddboytools.PreDim.TabFragmentA.onCreateView(TabFragmentA.java:29)
              at android.support.v4.app.Fragment.performCreateView(Fragment.java:1478)
              at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:927)
              at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104)
              at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
              at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1460)
              at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:472)
              at android.support.v4.app.FragmentPagerAdapter.finishUpdate(FragmentPagerAdapter.java:141)
              at android.support.v4.view.ViewPager.populate(ViewPager.java:1068)
              at android.support.v4.view.ViewPager.populate(ViewPager.java:914)
              at android.support.v4.view.ViewPager.onMeasure(ViewPager.java:1436)
              at android.view.View.measure(View.java:17430)
              at android.widget.LinearLayout.measureVertical(LinearLayout.java:875)
              at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
              at android.view.View.measure(View.java:17430)
              at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
              at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
              at android.view.View.measure(View.java:17430)
              at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
              at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1436)
              at android.widget.LinearLayout.measureVertical(LinearLayout.java:722)
              at android.widget.LinearLayout.onMeasure(LinearLayout.java:613)
              at android.view.View.measure(View.java:17430)
              at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
              at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
              at android.view.View.measure(View.java:17430)
              at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
              at com.android.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:447)
              at android.view.View.measure(View.java:17430)
              at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5463)
              at android.widget.FrameLayout.onMeasure(FrameLayout.java:430)
              at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2560)
              at android.view.View.measure(View.java:17430)
              at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:2001)
              at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1166)
              at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1372)
              at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1054)
              at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5779)
              at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
              at android.view.Choreographer.doCallbacks(Choreographer.java:580)
              at android.view.Choreographer.doFrame(Choreographer.java:550)
              at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
              at android.os.Handler.handleCallback(Handler.java:739)
              at android.os.Handler.dispatchMessage(Handler.java:95)
              at android.os.Looper.loop(Looper.java:135)
              at android.app.ActivityThread.main(ActivityThread.java:5221)
              at java.lang.reflect.Method.invoke(Native Method)
              at java.lang.reflect.Method.invoke(Method.java:372)
              at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
              at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
  01-23 02:43:31.094    1903-1915/br.com.eddboytools.PreDim I/art﹕ Background partial concurrent mark sweep GC freed 261(11KB) AllocSpace objects, 0(0B) LOS objects, 27% free, 1328KB/1840KB, paused 20.856ms total 51.174ms
  </code></pre>