避免不小心離開APP

 https://gist.github.com/adsl99801/a64698938d097bed612a#file-gistfile1-java

 private void backKeyPressed(){


 


        backKeyPressedCount++;


 


        Utils.log("getBackStackEntryCount:" + getChildFragmentManager().getBackStackEntryCount()+",backKeyPressedCount:"+backKeyPressedCount);


 


        if (backKeyPressedCount<4) {


 


            getChildFragmentManager().popBackStack();


 


            showSecondLayout();


 


            return;


 


        }


 


        FinishAppListener finishAppListener = new FinishAppListener() {


 


            @Override


 


            public void onClick(DialogInterface dialog, int which) {


 


                if(which== AlertDialogWhich.Y){


 


                    EventBus.getDefault().unregister(this);


 


                    dialog.dismiss();


 


                    getActivity().finish();


 


                }


 


            }


 


        };


 


        resetBackKeyPressedCount();


 


        Utils.showAlertDialog(v.getContext(), getResources().getString(R.string.askExistApp),finishAppListener);


 


    }