Android-----Shopping Cart (includes slide-slip removal, product screening, product increase and decrease, price calculation, store classification, etc.)

E-commerce projects often have shopping cart this function, do a lot of projects, have a different interface, choose one to talk about.

Mainly includes the store classification, side-by-side removal, product selection, increase and decrease, price calculation and other functions.

Look:

Important Code:

 Private voidShowexpanddata () {Cartexpandadapter=NewCartexpandadapter ( This, Cartexpandablelistview,cartinfo.getdata ());        Cartexpandablelistview.setadapter (Cartexpandadapter); intIntgroupcount =Cartexpandablelistview.getcount ();  for(inti=0; i<intgroupcount; i++) {cartexpandablelistview.expandgroup (i); }        /*** Select All*/Cartexpandadapter.setonitemclicklistener (NewOnviewitemclicklistener () {@Override Public voidOnitemclick (BooleanIsflang, view view,intposition)                {Cartinfo.getdata (). get (position). Setischeck (Isflang); intLength=cartinfo.getdata (). get (position). GetItems (). Size ();  for(inti = 0; i < length; i++) {cartinfo.getdata (). get (position). GetItems (). get (i). Setischeck (Isflang);                } cartexpandadapter.notifydatasetchanged ();            Showcommoditycalculation ();        }        }); /*** Radio*/Cartexpandadapter.setonclicklistentermodel (NewOnclicklistentermodel () {@Override Public voidOnitemclick (BooleanIsflang, view view,intOneposition,intposition)                {Cartinfo.getdata (). Get (Oneposition). GetItems (). get (position). Setischeck (Isflang); intLength=cartinfo.getdata (). Get (Oneposition). GetItems (). Size ();  for(inti = 0; i < length; i++) {                    if(!cartinfo.getdata (). Get (Oneposition). GetItems (). get (i). Ischeck ()) {                        if(!Isflang)                        {Cartinfo.getdata (). Get (Oneposition). Setischeck (Isflang);                        } cartexpandadapter.notifydatasetchanged ();                        Showcommoditycalculation (); return; }Else {                        if(i== (length-1) {cartinfo.getdata (). Get (Oneposition). Setischeck (Isflang);                        Cartexpandadapter.notifydatasetchanged ();            }}} showcommoditycalculation ();        }        }); Cartexpandadapter.setonclickdeletelistenter (NewOnclickdeletelistenter () {@Override Public voidOnitemclick (View view,intOneposition,intposition) {Toast.maketext (mainactivity). This, delete action, Toast.length_long). Show ();        }        }); /*** * Quantity increase and decrease*/Cartexpandadapter.setonclickaddcloselistenter (NewOnclickaddcloselistenter () {@Override Public voidOnitemclick (View view,intIndexintOneposition,intPositionintnum) {                if(index==1){                    if(num>1) {cartinfo.getdata (). Get (Oneposition). GetItems (). get (position). setnum (Num-1));                    Cartexpandadapter.notifydatasetchanged (); }                }Else{cartinfo.getdata (). Get (Oneposition). GetItems (). get (position). setnum (Num+ 1));                Cartexpandadapter.notifydatasetchanged ();            } showcommoditycalculation ();           }        }); }

This is the shopping cart used in my project, the basic functions have been.

The need of the boys, you can refer to.

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Android-----Shopping Cart (includes slide-slip removal, product screening, product increase and decrease, price calculation, store classification, etc.)