title: NullPointerException in oncreateView() of Fragment
body: <p>This code below shows part of activity where the fragment is added.</p>
  
  <hr>
  
  <pre><code>    FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
      ft.replace(R.id.fragment_container, srkt_frag);
      ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
      ft.commit();
  
      TabSpec specs1=mTab.newTabSpec("tag1");
      specs1.setContent(R.id.fragment_container);
      specs1.setIndicator("SRK/T");
      mTab.addTab(specs1);
  </code></pre>
  
  <hr>
  
  <p>mTab is TabHost where the srkt_frag is displayed as the content.
  the fragment class is shown below</p>
  
  <hr>
  
  <pre><code>public class Srkt_x extends Fragment 
  {
      @Override
          public View onCreateView(LayoutInflater inflater, ViewGroup container,
                  Bundle savedInstanceState) {
              // TODO Auto-generated method stub
              View view=inflater.inflate(R.layout.activity_srkt_x,container,false);
              TextView text = (TextView) getView().findViewById(R.id.srkt_power);
              Float result=getArguments().getFloat("RESULT");
              text.setText(String.valueOf(result));
              return view;
  
          }
  
  }
  </code></pre>
  
  <hr>
  
  <p>after executing the project i get nullpointerexception at line 21 i.e at</p>
  
  <pre><code>TextView text = (TextView) getView().findViewById(R.id.srkt_power);
  </code></pre>
  
  <p>my xml file is shown below</p>
  
  <hr>
  
  <pre><code>&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  
  tools:context=".Srkt_x" &gt;
  
  &lt;ScrollView
      android:id="@+id/srkt_scrollView"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentBottom="true"
      android:layout_alignParentLeft="true"
      android:layout_alignParentRight="true"
      android:layout_alignParentTop="true"
      android:background="@color/Black" &gt;
  
      &lt;RelativeLayout
          android:layout_width="match_parent"
          android:layout_height="433dp" &gt;
  
          &lt;TextView
              android:id="@+id/srkt_power"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_alignBottom="@+id/iolpower"
              android:layout_toRightOf="@+id/iolpower"
              android:clickable="false"
              android:ems="10"
              android:enabled="false"
              android:fadingEdge="horizontal"
              android:focusable="false"
              android:focusableInTouchMode="false"
              android:gravity="center|left"
              android:longClickable="false"
              android:paddingTop="10dp"
              android:textColor="@color/DeepSkyBlue"
              android:textSize="15sp" /&gt;
  
          &lt;TextView
              android:id="@+id/iolpower"
              android:layout_width="100dp"
              android:layout_height="30dp"
              android:layout_alignParentLeft="true"
              android:layout_alignParentTop="true"
              android:layout_marginLeft="16dp"
              android:layout_marginTop="20dp"
              android:gravity="bottom|center"
              android:textColor="@color/White"
              android:inputType="text"
              android:text="@string/power"
              android:textSize="20sp"
              android:visibility="visible" /&gt;
  
          &lt;TableLayout
              android:layout_width="228dp"
              android:layout_height="match_parent"
              android:layout_below="@+id/srkt_power"
              android:layout_centerHorizontal="true"
              android:layout_marginTop="33dp"
              android:paddingTop="10dp" &gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow1"
                  android:layout_height="wrap_content"
                  android:background="@color/SkyBlue"
                  android:orientation="vertical"
                  android:showDividers="middle" &gt;
  
                  &lt;TextView
                      android:id="@+id/iolCol"
                      android:layout_height="wrap_content"
                      android:layout_gravity="left"
                      android:layout_weight="1"
                      android:background="@color/SkyBlue"
                      android:gravity="center"
                      android:text="@string/iol"
                      android:textColor="@color/White"
                      android:textSize="20sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/refCol"
                      android:layout_height="wrap_content"
                      android:layout_gravity="right"
                      android:layout_weight="1"
                      android:background="@color/SkyBlue"
                      android:gravity="center"
                      android:text="@string/refr"
                      android:textColor="@color/White"
                      android:textSize="20sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow2"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd2"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref2"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow3"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd3"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref3"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow4"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd4"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref4"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow5"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd5"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref5"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow6"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd6"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref6"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow7"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd7"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:background="@color/DeepSkyBlue"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref7"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:background="@color/DeepSkyBlue"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow8"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd8"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref8"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow9"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd9"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref9"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow10"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd10"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref10"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow11"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd11"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref11"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
  
              &lt;TableRow
                  android:id="@+id/srkttableRow12"
                  android:layout_height="wrap_content"
                  android:layout_weight="1"
                  android:background="@color/Black" &gt;
  
                  &lt;TextView
                      android:id="@+id/srktrnd12"
                      android:layout_gravity="left|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
  
                  &lt;TextView
                      android:id="@+id/srktref12"
                      android:layout_gravity="right|center"
                      android:layout_weight="1"
                      android:gravity="center"
                      android:textColor="@color/White"
                      android:textSize="15sp" /&gt;
              &lt;/TableRow&gt;
          &lt;/TableLayout&gt;
  
      &lt;/RelativeLayout&gt;
  &lt;/ScrollView&gt;
  </code></pre>
  
  <p></p>
  
  <hr>
  
  <p>the log file is shown below</p>
  
  <hr>
  
  <pre><code>   03-26 23:49:22.333: D/AndroidRuntime(497): Shutting down VM
  03-26 23:49:22.333: W/dalvikvm(497): threadid=1: thread exiting with uncaught exception (group=0x40015560)
  03-26 23:49:22.353: E/AndroidRuntime(497): FATAL EXCEPTION: main
  03-26 23:49:22.353: E/AndroidRuntime(497): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.iolcalci/com.example.iolcalci.Menu}: java.lang.NullPointerException
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.app.ActivityThread.access$1500(ActivityThread.java:117)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.os.Handler.dispatchMessage(Handler.java:99)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.os.Looper.loop(Looper.java:123)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.app.ActivityThread.main(ActivityThread.java:3683)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at java.lang.reflect.Method.invokeNative(Native Method)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at java.lang.reflect.Method.invoke(Method.java:507)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at dalvik.system.NativeStart.main(Native Method)
  03-26 23:49:22.353: E/AndroidRuntime(497): Caused by: java.lang.NullPointerException
  03-26 23:49:22.353: E/AndroidRuntime(497):  at com.example.iolcalci.Srkt_x.onCreateView(Srkt_x.java:21)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.support.v4.app.Fragment.performCreateView(Fragment.java:1460)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:911)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1088)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:551)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1129)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.app.Activity.performStart(Activity.java:3791)
  03-26 23:49:22.353: E/AndroidRuntime(497):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1620)
  03-26 23:49:22.353: E/AndroidRuntime(497):  ... 11 more
  </code></pre>
  
  <hr>
  
  <p>I am not able to figure out the problem .any solution?</p>
  
  <p><strong>EDIT :</strong>
  line 22:Float result=getArguments().getFloat("RESULT");</p>
  
  <p><strong>EDIT 2  :</strong> setting arguments as shown below:</p>
  
  <pre><code>IOLPower_srkt=Srkt();
  
                  Bundle srkt_bundle=new Bundle();
                  srkt_bundle.putFloat("RESULT", IOLPower_srkt);
  
                  srkt_frag.setArguments(srkt_bundle);
  </code></pre>
  
  <hr>
  
  <p>here Srkt() returns float value
  check detailed code</p>
  
  <hr>
  
  <pre><code>IOLPower_srkt=Srkt();
              Bundle srkt_bundle=new Bundle();
              srkt_bundle.putFloat("RESULT", IOLPower_srkt);
              srkt_frag.setArguments(srkt_bundle);
  
  
  
              IOLPower_bink=Binkhorst();
              Bundle bink_bundle=new Bundle();
              bink_bundle.putFloat("RESULT", IOLPower_bink);
              bink_frag.setArguments(bink_bundle);
  
  
              IOLPower_srk2=Srk2();
              if((Math.ceil(IOLPower_srk2)-IOLPower_srk2)&gt;0.5){
                  srk2_rnd=(float) Math.floor(IOLPower_srk2);
              }else{
                  srk2_rnd=(float) Math.ceil(IOLPower_srk2);
              }
              Bundle srk2_bundle=new Bundle();
              srk2_bundle.putFloat("RESULT", srk2_rnd);
              srk2_frag.setArguments(srk2_bundle);
  
  
  
              IOLPower_holl=Holladay();
              Bundle holl_bundle=new Bundle();
              holl_bundle.putFloat("RESULT", IOLPower_holl);
              holl_frag.setArguments(holl_bundle);
  
          }
              });
  
      FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
      ft.replace(R.id.fragment_container, srkt_frag);
      ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
      ft.commit();
  
      TabSpec specs1=mTab.newTabSpec("tag1");
      specs1.setContent(R.id.fragment_container);
      specs1.setIndicator("SRK/T");
      mTab.addTab(specs1);
  
  
      TabSpec specs2=mTab.newTabSpec("tag2");
      specs2.setContent(R.id.fragment_container);
      specs2.setIndicator("SRK II");
      mTab.addTab(specs2);
  
  
      TabSpec specs3=mTab.newTabSpec("tag3");
      specs3.setContent(R.id.fragment_container);
      specs3.setIndicator("HOLLADAY");
      mTab.addTab(specs3);
  
  
      TabSpec specs4=mTab.newTabSpec("tag4");
      specs4.setContent(R.id.fragment_container);
      specs4.setIndicator("BINKHORST");
      mTab.addTab(specs4);
  </code></pre>
  
  <hr>