IOS Pull-down Select Menu Simple Package _ios

This example for you to share a simple package of iOS dropdown menu code for your reference, the specific content as follows

 
//OrderListDownMenu.h 
 
#import <UIKit/UIKit.h> 
 
@protocol orderlistdownmenudelegate < Nsobject> 
 
-(void) Orderlistdownmenu: (UITableView *) TableView Didselectrowatindexpath: (Nsindexpath *) Indexpath; 
 
@end 
 
typedef void (^dismiss) (void); 
 
@interface Orderlistdownmenu:uiview<uitableviewdatasource, uitableviewdelegate> 
 
@property (nonatomic, Strong) UITableView *tableview; 
@property (nonatomic, assign) id<orderlistdownmenudelegate> delegate; 
@property (nonatomic, strong) Nsarray *arrdata; 
@property (nonatomic, strong) Nsarray *arrimgname; 
@property (nonatomic, copy) Dismiss Dismiss; 
 
-(Instancetype) Initwithdataarr: (Nsarray *) Dataarr Origin: (Cgpoint) Origin width: (cgfloat) Width rowHeight: (cgfloat) RowHeight; 
 
-(void) Dismisswithcompletion: (void (^) (Orderlistdownmenu *object)) completion; 
 
@end 

#import "OrderListDownMenu.h" #define Toptoview 63.0f #define Righttoview kscreenwidth-15.0f #define Lefttoview KS creenwidth-145.0-10.0f #define Celllineedgeinsets uiedgeinsetsmake (0, -80, 0, 0) #define Kscreenwidth [UIScreen m Ainscreen].bounds.size.width #define Kscreenheight [UIScreen mainscreen].bounds.size.height @interface OrderListDow 
Nmenu () @property (nonatomic, assign) Cgpoint origin; 
 
@property (nonatomic, assign) CGFloat rowHeight; @end @implementation Orderlistdownmenu-(Instancetype) Initwithdataarr: (Nsarray *) Dataarr Origin: (Cgpoint) Origin wid Th: (cgfloat) Width rowHeight: (cgfloat) rowHeight {self = [super Initwithframe:cgrectmake (0, 0, Kscreenwidth, Kscreen 
  Height)]; 
    if (self) {if (rowHeight <= 0) {rowHeight = 50; 
    //Set Background color Self.backgroundcolor = [Uicolor colorwithred:0 green:0 blue:0 alpha:0.2]; 
    Self.origin = origin; 
    Self.rowheight = RowHeight; Self.arrdata = [Dataarr copy]; 
    Self.tableview = [[UITableView alloc] Initwithframe:cgrectmake (origin.x + lefttoview, ORIGIN.Y + TopToView, width, r 
    Owheight * dataarr.count) Style:uitableviewstyleplain]; 
    _tableview.datasource = self; 
    _tableview.delegate = self; 
     
    [Self addsubview:_tableview]; 
    _tableview.backgroundcolor = [Uicolor Whitecolor]; 
    _tableview.layer.cornerradius = 2; 
    _tableview.bounces = NO; 
    _tableview.layer.cornerradius = 8; 
    
    _tableview.separatorcolor = [Uicolor colorwithwhite:0.3 alpha:1]; 
    _tableview.separatorstyle = Uitableviewcellselectionstylenone; 
     
    [_tableview Registerclass:[uitableviewcell class] forcellreuseidentifier:@ "cell"]; if ([Self.tableview respondstoselector: @selector (setseparatorinset:)]) {[Self.tableview setseparatorinset:cellline 
    Edgeinsets]; } if ([Self.tableview respondstoselector: @selector (setlayoutmargins:)]) {[Self.tableview Setlayoutmargi 
    Ns:celllineedgeinsets]; } RETUrn self; 
}-(void) layoutsubviews {[Super layoutsubviews]; }-(Nsinteger) TableView: (UITableView *) TableView numberofrowsinsection: (nsinteger) Section {return Self.arrData.cou 
nt }-(CGFloat) TableView: (UITableView *) TableView Heightforrowatindexpath: (Nsindexpath *) Indexpath {return self.rowHe 
ight; }-(UITableViewCell *) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) IndexPath {UITab 
  Leviewcell *cell = [TableView dequeuereusablecellwithidentifier:@ "Cell"]; 
  Cell.textLabel.textColor = theme_color_gray_1; 
  Cell.textLabel.font = [Uifont systemfontofsize:15]; 
   
  Cell.textLabel.text = Self.arrdata[indexpath.row]; if (Self.arrImgName.count > Indexpath.row) {cell.imageView.image = [uiimage imagenamed:self.arrimgname[indexpath. 
    Row]]; 
  Cell.imageView.contentMode = Uiviewcontentmodescaleaspectfit; 
  } Uilabel *label = [[Uilabel alloc] init]; Label.frame = CGRectMake (0, _tableview.frame.size.width,0.5); 
  Label.backgroundcolor = Theme_separator_color; 
   
  [Cell.contentview Addsubview:label]; 
return cell; }-(void) TableView: (UITableView *) TableView Didselectrowatindexpath: (Nsindexpath *) Indexpath {if ([Self.delegat E respondstoselector: @selector (Orderlistdownmenu:didselectrowatindexpath:)]) {[Self.delegate Orderlistdownmenu: 
  TableView Didselectrowatindexpath:indexpath]; 
  } [TableView Deselectrowatindexpath:indexpath animated:yes]; 
[Self dismisswithcompletion:nil];  }-(void) Dismisswithcompletion: (void (^) (Orderlistdownmenu *object)) Completion {__weak __typeof (self) weakself 
  = self; 
    [UIView animatewithduration:0.2 animations:^{weakself.alpha = 0; 
  WeakSelf.tableView.frame = CGRectMake (weakself.origin.x + lefttoview + 145, WEAKSELF.ORIGIN.Y + toptoview, 0, 0); 
    } completion:^ (BOOL finished) {[weakself Removefromsuperview]; 
    if (completion) {completion (weakself); 
     } if (Weakself.dismiss) { Weakself.dismiss (); 
} 
  }]; }-(void) Touchesbegan: (Nsset<uitouch *> *) touches withevent: (Uievent *) Event {Uitouch *touch = [touches 
  Anyobject]; if (![ 
  Touch.view IsEqual:self.tableView]) {[Self dismisswithcompletion:nil]; 
   
  }-(void) DrawRect: (cgrect) rect {//[colors[serie] setfill]; 
   
  Get the current view ready artboard cgcontextref context = Uigraphicsgetcurrentcontext (); Use path to draw the Triangle Cgcontextbeginpath (context);//Tag Cgcontextmovetopoint (context, rightToView-1 
   
  3, 53);/Set starting point Cgcontextaddlinetopoint (context, rightToView-21, Toptoview); 
   
  Cgcontextaddlinetopoint (context, rightToView-4, Toptoview); Cgcontextclosepath (context);//path end flag, do not write default closed [Self.tableView.backgroundColor Setfill]; Set the fill color [Self.tableView.backgroundColor setstroke];  Sets the border color Cgcontextdrawpath (context, kcgpathfillstroke);//Draw Paths path} @end

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