本文实例为大家分享了ios下拉按钮效果展示的具体代码,供大家参考,具体内容如下
一、效果图。
二、工程图。
三、代码。
rootviewcontroller.h
#import <uikit/uikit.h> @interface rootviewcontroller : uiviewcontroller @end
rootviewcontroller.m
#import "rootviewcontroller.h" #import "nidropdown.h" @interface rootviewcontroller () @end @implementation rootviewcontroller - (id)initwithnibname:(nsstring *)nibnameornil bundle:(nsbundle *)nibbundleornil { self = [super initwithnibname:nibnameornil bundle:nibbundleornil]; if (self) { // custom initialization } return self; } - (void)viewdidload { [super viewdidload]; // do any additional setup after loading the view. self.title=@"dropdown"; uibutton *button=[uibutton buttonwithtype:uibuttontyperoundedrect]; button.frame=cgrectmake(10, 100, 150,30); button.backgroundcolor=[uicolor redcolor]; [button addtarget:self action:@selector(doclickaction:) forcontrolevents:uicontroleventtouchupinside]; [self.view addsubview:button]; } -(void)doclickaction:(uibutton *)btn { nsarray *dataarray=[nsarray arraywithobjects:@"1",@"2",@"3",@"4",@"5", nil]; nidropdown *dropdown=[[nidropdown alloc]init]; [dropdown showdropdown:btn andheight:[dataarray count]*36 anddata:dataarray]; [self.view addsubview:dropdown]; } - (void)didreceivememorywarning { [super didreceivememorywarning]; // dispose of any resources that can be recreated. }
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