title: Error in Spinner in a Popup Window, it Crashes when Clicked
body: <p>I have a PopupWindow that is called from a Fragment and everything works except my Spinner. When I click in my Spinner it crashes and gives the error:</p>
  
  <p>"android.view.WindowManager$BadTokenException: Unable to add window -- token android.view.ViewRootImpl$W@421a46d8 is not valid; is your activity running?"</p>
  
  <p><strong>My Code to call the popup window in the fragment:</strong></p>
  
  <pre><code>ManagerPopUp mManagerPopUp = new ManagerPopUp(getActivity());
  mManagerPopUp.showPopUpAddEvent();
  </code></pre>
  
  <p><strong>My Code in ManagerPopUp to show Popup:</strong></p>
  
  <pre><code>public class ManagerPopUp {
  
      private static final String TAG = "PopUpManager";
      private Context mContext;
  
      public ManagerPopUp(Context mContext){
          this.mContext = mContext;
      }
  
      public PopupWindow showPopUpAddEvent(){
              final PopupWindow popUp = new PopupWindow(mContext);
  
              LayoutInflater inflater = (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
              View layout = inflater.inflate(R.layout.popup_add_event, null);
  
              //Code for popup event
              TextView txtRoom, txtTitle, txtEnd, txtStart;
              ToggleButton tgRepeateWeekly, tgAddReminder;
              Button btConfirme, btCancel;
  
              txtTitle = (TextView)layout.findViewById(R.id.txt_lesson_title_event);
              txtRoom = (TextView)layout.findViewById(R.id.txt_lesson_room_event);
              txtStart = (TextView)layout.findViewById(R.id.txt_lesson_start_hour_event);
              txtEnd = (TextView)layout.findViewById(R.id.txt_lesson_end_hour_event);
              final Spinner spSelectCalendar = (Spinner)layout.findViewById(R.id.sp_select_calendar);
              Spinner spSelectReminder = (Spinner)layout.findViewById(R.id.sp_select_reminder_time);
              tgRepeateWeekly = (ToggleButton)layout.findViewById(R.id.tg_repeate_weekly); 
              tgAddReminder = (ToggleButton)layout.findViewById(R.id.tg_add_reminder);
              btConfirme = (Button)layout.findViewById(R.id.bt_confirme);
              btCancel = (Button)layout.findViewById(R.id.bt_cancel);
  
              /**************************************************************************************************************
              *
              *   Initializations
              *
              ***************************************************************************************************************/
  
  
              HandlerCalendarProvider mCalendarProvider = new HandlerCalendarProvider(mContext);
              final ArrayList&lt;ClassCalendar&gt; mCalendarsList = mCalendarProvider.getAllCalendars();
              AdapterCalendarSpinner mAdapterCalendarSpinner = 
                      new AdapterCalendarSpinner(mContext, mCalendarsList);
  
              spSelectCalendar.setAdapter(mAdapterCalendarSpinner);
  
  
              popUp.setContentView(layout);
              popUp.setWidth(LinearLayout.LayoutParams.MATCH_PARENT);
              popUp.setHeight(LinearLayout.LayoutParams.MATCH_PARENT);
              popUp.setFocusable(true);
  
              // Some offset to align the popup a bit to the left, and a bit down, relative to button's position.
              popUp.setBackgroundDrawable(new BitmapDrawable(mContext.getResources(), BitmapFactory.decodeResource(mContext.getResources(), R.color.color_popup_background))); //PopUpBackground
              popUp.showAtLocation(layout, Gravity.NO_GRAVITY, 0 , 0);
              return popUp;
          }
  }
  </code></pre>
  
  <p><strong>My Spinner Adapter:</strong></p>
  
  <pre><code>public class AdapterCalendarSpinner extends BaseAdapter implements SpinnerAdapter {
  
      private Context mContext;
      private ArrayList&lt;ClassCalendar&gt; mCalendarsList;
  
      public AdapterCalendarSpinner(Context mContext, ArrayList&lt;ClassCalendar&gt; mCalendarsList) {
  
          this.mContext = mContext;
          this.mCalendarsList = mCalendarsList;
      }
  
      @Override
      public int getCount() {
          return mCalendarsList.size();
      }
  
      @Override
      public ClassCalendar getItem(int position) {
          return mCalendarsList.get(position);
      }
  
      @Override
      public long getItemId(int position) {
          return position;
      }
  
      @Override
      public View getView(int position, View convertView, ViewGroup parent) {
  
          ClassCalendar o = mCalendarsList.get(position);
  
          LayoutInflater vi = (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
          convertView = vi.inflate(R.layout.sp_item_calendar_selected, null);
  
          LinearLayout llCalColor = (LinearLayout)convertView.findViewById(R.id.ll_calendar_selected_color);
          TextView txtCalName = (TextView)convertView.findViewById(R.id.txt_calendar_selected_name);
          TextView txtCalEmail = (TextView)convertView.findViewById(R.id.txt_calendar_selected_email);
  
          llCalColor.setBackgroundColor(o.getCalColor());
          txtCalName.setText(o.getCalName());
          txtCalEmail.setText(o.getCalEmail());
          txtCalName.setTextColor(Color.WHITE);
          txtCalEmail.setTextColor(Color.WHITE);
  
          return convertView;
      }
  
      @Override
      public View getDropDownView(int position, View convertView, ViewGroup parent) {
  
          ClassCalendar o = mCalendarsList.get(position);
  
          LayoutInflater vi = (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
          convertView = vi.inflate(R.layout.sp_item_calendar, null);
  
          //convertView = LayoutInflater.from(mContext).inflate(R.layout.sp_item_calendar, null);
  
          LinearLayout llCalColor = (LinearLayout)convertView.findViewById(R.id.ll_calendar_color);
          TextView txtCalName = (TextView)convertView.findViewById(R.id.txt_calendar_name);
          TextView txtCalEmail = (TextView)convertView.findViewById(R.id.txt_calendar_email);
  
          llCalColor.setBackgroundColor(o.getCalColor());
          txtCalName.setText(o.getCalName());
          txtCalEmail.setText(o.getCalEmail());
  
          return convertView;
      }
  }
  </code></pre>
  
  <p><strong>The View how it Appears in my App:</strong></p>
  
  <p><img src="https://i.stack.imgur.com/rJbF8.png" alt="enter image description here"></p>
  
  <p><strong>And the error that I get when I click in My Spinner (Red Label in the image):</strong></p>
  
  <pre><code>09-19 11:35:23.312: E/AndroidRuntime(2933): FATAL EXCEPTION: main
  
      09-19 11:35:23.312: E/AndroidRuntime(2933): Process: com.loopbug.ritmossegredosgym, PID: 2933
      09-19 11:35:23.312: E/AndroidRuntime(2933): android.view.WindowManager$BadTokenException: Unable to add window -- token android.view.ViewRootImpl$W@421a46d8 is not valid; is your activity running?
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.view.ViewRootImpl.setView(ViewRootImpl.java:532)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:259)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.widget.PopupWindow.invokePopup(PopupWindow.java:1019)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.widget.PopupWindow.showAsDropDown(PopupWindow.java:925)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.widget.ListPopupWindow.show(ListPopupWindow.java:625)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.widget.Spinner$DropdownPopup.show(Spinner.java:1112)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.widget.Spinner.performClick(Spinner.java:658)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.view.View$PerformClick.run(View.java:18446)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.os.Handler.handleCallback(Handler.java:733)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.os.Handler.dispatchMessage(Handler.java:95)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.os.Looper.loop(Looper.java:136)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at android.app.ActivityThread.main(ActivityThread.java:5137)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at java.lang.reflect.Method.invokeNative(Native Method)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at java.lang.reflect.Method.invoke(Method.java:515)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:611)
      09-19 11:35:23.312: E/AndroidRuntime(2933):     at dalvik.system.NativeStart.main(Native Method)
  </code></pre>