title: ListView onItemClick: NullPointerException retrieving views
body: <p>I cant click on list view to pass new activity. please advice me how to solve this problem.</p>
  
  <p>here my code</p>
  
  <pre><code>// set UI
          setContentView(R.layout.show_permission);
  
          //get list from background
          show = getListView();
  
          //object for permission list
          permission_list = new ArrayList&lt;HashMap&lt;String,String&gt;&gt;();
  
          // get uid from main activity
          Intent i = getIntent();
          uid = i.getStringExtra(TAG_UID);
  
          // get data from background thread
          new GetPermission().execute();
  
  
  
          show.setOnItemClickListener(new OnItemClickListener() {
  
              @Override
              public void onItemClick(AdapterView&lt;?&gt; parent, View view,
                      int position, long id) {
                  // TODO Auto-generated method stub
                  //getting item from list Item
                  String project_id = ((TextView) view.findViewById(R.id.report_id)).getText().toString(); &lt;---error here
                  String project_name = ((TextView) view.findViewById(R.id.pro_name)).getText().toString();
  
                  Intent in = getIntent();
                  //send report_id to next activity
                  in.putExtra(TAG_PROJECT_ID, project_id);
                  in.putExtra(TAG_PROJECT_NAME, project_name);
                  in.putExtra(TAG_UID, uid);
                  setResult(100, in);
  
                  finish();
              }
          });
  </code></pre>
  
  <p>and here log cat display</p>
  
  <pre><code>    09-25 15:41:27.510: E/AndroidRuntime(1457): FATAL EXCEPTION: main
  09-25 15:41:27.510: E/AndroidRuntime(1457): java.lang.NullPointerException
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at com.example.androidhive.ProjectPermission$1.onItemClick(ProjectPermission.java:82)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at android.widget.AdapterView.performItemClick(AdapterView.java:298)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at android.widget.AbsListView.performItemClick(AbsListView.java:1086)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at android.widget.AbsListView$PerformClick.run(AbsListView.java:2855)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at android.widget.AbsListView$1.run(AbsListView.java:3529)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at android.os.Handler.handleCallback(Handler.java:615)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at android.os.Handler.dispatchMessage(Handler.java:92)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at android.os.Looper.loop(Looper.java:137)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at android.app.ActivityThread.main(ActivityThread.java:4745)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at java.lang.reflect.Method.invokeNative(Native Method)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at java.lang.reflect.Method.invoke(Method.java:511)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
  09-25 15:41:27.510: E/AndroidRuntime(1457):     at dalvik.system.NativeStart.main(Native Method)
  </code></pre>
  
  <p>thanks for help!</p>