Cerrar la ventana emergente de Android con la tecla de retroceso

Lo que debe hacer es llamar a setBackgroundDrawable en su PopupWindow después de inicializarlo. Algo como:

myPopup.setBackgroundDrawable(new BitmapDrawable()); 

 LayoutInflater layoutInflater = (LayoutInflater)MainActivity.this.getSystemService(Activity.LAYOUT_INFLATER_SERVICE); View popupView = layoutInflater.inflate(R.layout.popup_window_country_list, null); countryPopup = new PopupWindow(popupView, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); countryPopup.setBackgroundDrawable (new BitmapDrawable()); countryPopup.setFocusable(true); //Make Here True For back press dismiss countryPopup.setOutsideTouchable(true); countryPopup.setTouchInterceptor(new OnTouchListener() { public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_OUTSIDE) { countryPopup.dismiss(); return true; } return false; } }); 

Recientemente trabajé con ListPopupWindow ( android.support.v7.internal.widget.ListPopupWindow ) y el botón de vuelta comenzó a trabajar cuando llamé

 popupWindow.setModal(true); 

No importa lo que establezca en el método setBackgroundDrawable como suponen otras soluciones aquí.

 //here "popUp" is ref of PopupWindow popUp.setBackgroundDrawable(new BitmapDrawable());// it is most important peace of code // For Key Listeners View v = popUp.getContentView(); //Here assigning the key Listners v.setOnKeyListener(this); @Override public boolean onKey(View v, int keyCode, KeyEvent event) { if(keyCode == KeyEvent.KEYCODE_BACK) popUp.dismiss(); return false; }//Implements the KeyListener //and be careful we should implement "OnKeyListener"` 

Espero que sea útil (soy el nuevo usuario)

El siguiente código funciona perfectamente. Por lo tanto, anula la siguiente función en tu actividad

 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { //Changes 'back' button action if(keyCode==KeyEvent.KEYCODE_BACK) { if(!popUpHelper.isPopupShowing()){ onBackPressed(); }else{ popUpHelper.dismiss(); } } return super.onKeyDown(keyCode, event); } class PopupHelper { PopupWindow popupWindowAttachment; public void initAndShow(Activity context,int mToolbarHeight){ View layout = activity.getLayoutInflater().inflate( R.layout.activity_chat_attachment_popup, null); //create and show and Make sure popup window focusable should be false popupWindowAttachment = new PopupWindow(layout, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); popupWindowAttachment.showAsDropDown(layout, 0, mToolbarHeight + (mToolbarHeight / 2) - 5); } public void dismiss() { if (isPopupShowing()) popupWindowAttachment.dismiss(); } public boolean isPopupShowing() { return popupWindowAttachment==null?false:popupWindowAttachment .isShowing(); } } 

100% pop-up se descartará en la parte posterior de prensa. Reemplace su código emergente con el siguiente código

 public void popup() { View popUpView_pur = getActivity().getLayoutInflater().inflate(R.layout.popup, null); PopupWindow popuplayout_pur = new PopupWindow(popUpView_pur, -1, -1, true); popuplayout_pur.setBackgroundDrawable(new BitmapDrawable()); popuplayout_pur.setOutsideTouchable(true); popuplayout_pur.showAtLocation(popUpView_pur, 17, 0, 0); } 

(o)

 public void popup() { // TODO Auto-generated method stub LayoutInflater inflater = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE); View popupView = inflater.inflate(R.layout.popuplayout, null, false); PopupWindow pw = new PopupWindow(getActivity()); pw.setWidth(WindowManager.LayoutParams.MATCH_PARENT); pw.setHeight(WindowManager.LayoutParams.MATCH_PARENT); pw.setTouchable(true); pw.setFocusable(true); pw.setOutsideTouchable(true); pw.setContentView(popupView); pw.showAtLocation(popupView, Gravity.CENTER, 0, 0); } 

 popup.setBackgroundDrawable(new BitmapDrawable()); popup.setOnDismissListener(new PopupWindow.OnDismissListener() { @Override public void onDismiss() { //do your code here } });