Android Recyclerview Waterfall Stream swipe to last automatically load more

Mrecycleview.setonscrolllistener (NewRecyclerview.onscrolllistener () {//used to mark whether a slide is being made to the last, whether it is sliding down    BooleanIsslidingtolast =false; @Override Public voidOnscrollstatechanged (Recyclerview Recyclerview,intnewstate) {Staggeredgridlayoutmanager Manager=(Staggeredgridlayoutmanager) Recyclerview.getlayoutmanager (); //When you do not scroll        if(NewState = =recyclerview.scroll_state_idle) {            //gets the last fully displayed itemposition            int[] lastvisiblepositions = Manager.findlastvisibleitempositions (New int[Manager.getspancount ()]); intLastvisiblepos =Getmaxelem (lastvisiblepositions); intTotalitemcount =Manager.getitemcount (); //determine if scrolling to the bottom            if(Lastvisiblepos = = (totalItemCount-1) &&isslidingtolast) {                //load more-functional codeLN.E ("Howes right=" +manager.findlastcompletelyvisibleitemposition ()); Toast.maketext (Getactivitycontext (),"Load More", 0). Show (); } }} @Override Public voidOnscrolled (Recyclerview Recyclerview,intDxintdy) {        Super. onscrolled (recyclerview, DX, dy); //DX is used to determine the direction of transverse sliding, dy is used to determine the longitudinal direction        if(Dy > 0){            //greater than 0 indicates that scrolling downIsslidingtolast =true; }Else{            //less than or equal to 0 means stop or scroll upIsslidingtolast =false; }     }});

Private int getmaxelem (int[] arr) {        int size = arr.length;         int maxval = integer.min_value;          for (int i = 0; i < size; i++) {            if (arr[i]>maxval)                = arr[i ];        }         return maxval;}

Android Recyclerview Waterfall Stream swipe to last automatically load more