056 Adding an image to the button

The effect is as follows:

ViewController.h

1 #import <UIKit/UIKit.h>23@interface  viewcontroller: Uiviewcontroller4 @property (Strong, Nonatomic) UIButton *Btnshadow; 5 6 @end

Viewcontroller.m

1 #import "ViewController.h"2 3 @interfaceViewcontroller ()4- (void) Disablestateswitch: (Uiswitch *) sender;5 @end6 7 @implementationViewcontroller8 9- (void) Viewdidload {Ten [Super Viewdidload]; OneSelf.view.backgroundColor =[Uicolor Whitecolor]; ASelf.navigationItem.title =@"add an image to a button"; -Uiswitch *swtdisablestate =[[Uiswitch alloc] init]; -Swtdisablestate.on =YES; the [swtdisablestate addtarget:self Action: @selector (Disablestateswitch:) forControlEvents: Uicontroleventvaluechanged]; -Uibarbuttonitem *barbtndisablestate =[[Uibarbuttonitem alloc] initwithcustomview:swtdisablestate]; - [self settoolbaritems:@[barbtndisablestate] animated:yes]; -      +_btnshadow =[UIButton Buttonwithtype:uibuttontypecustom]; -_btnshadow.frame = CGRectMake (0,0,260, -); +_btnshadow.center =Self.view.center; A_btnshadow.backgroundcolor =[Uicolor Whitecolor]; at_btnshadow.layer.maskstobounds =YES; -_btnshadow.layer.cornerradius =8.0; -     //Set Button caption font and shadow color -_btnshadow.titlelabel.font = [Uifont boldsystemfontofsize: -]; -_btnshadow.titlelabel.shadowoffset = Cgsizemake (2.0,2.0); -     //set display characteristics in normal state in[_btnshadow Settitle:@"Click I do state picture toggle"Forstate:uicontrolstatenormal]; - [_btnshadow Settitlecolor:[uicolor Blackcolor] forstate:uicontrolstatenormal]; to [_btnshadow Settitleshadowcolor:[uicolor Graycolor] forstate:uicontrolstatenormal]; +      -     //add a picture for each state of the button the[_btnshadow setimage:[uiimage imagenamed:@"Dognormal"] forstate:uicontrolstatenormal]; *[_btnshadow setimage:[uiimage imagenamed:@"doghighlighted"] forstate:uicontrolstatehighlighted]; $[_btnshadow setimage:[uiimage imagenamed:@"dogdisabled"] forstate:uicontrolstatedisabled];Panax Notoginseng     //set background picture in normal state -UIImage *imgstretchable = [[UIImage imagenamed:@"Frame"] Stretchableimagewithleftcapwidth: -Topcapheight: -]; the [_btnshadow setbackgroundimage:imgstretchable forstate:uicontrolstatenormal]; +      A [Self.view Addsubview:_btnshadow]; the } +  -- (void) didreceivememorywarning { $ [Super didreceivememorywarning]; $     //Dispose of any resources the can be recreated. - } -  the- (void) Viewwillappear: (BOOL) Animated { - [Super viewwillappear:animated];Wuyi [Self.navigationcontroller setnavigationbarhidden:no animated:animated]; the [Self.navigationcontroller settoolbarhidden:no animated:animated]; - } Wu  -- (void) Disablestateswitch: (Uiswitch *) Sender { About_btnshadow.enabled =Sender.on; $ } -  - @end

AppDelegate.h

1 #import <UIKit/UIKit.h>23@interface Appdelegate:uiresponder < Uiapplicationdelegate>4 @property (Strong, Nonatomic) UIWindow *window; 5 @property (Strong, Nonatomic) Uinavigationcontroller *Navigationcontroller; 6 7 @end

Appdelegate.m

1 #import "AppDelegate.h"2 #import "ViewController.h"3 4 @interfaceappdelegate ()5 @end6 7 @implementationappdelegate8 9-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (Nsdictionary *) launchoptions {Ten_window =[[UIWindow alloc] initwithframe:[[uiscreen mainscreen] bounds]; OneViewcontroller *viewcontroller =[[Viewcontroller alloc] init]; A_navigationcontroller =[[Uinavigationcontroller alloc] initwithrootviewcontroller:viewcontroller]; -_window.rootviewcontroller =_navigationcontroller; - [_window Addsubview:_navigationcontroller.view]; the [_window makekeyandvisible]; -     returnYES; - } -  +- (void) Applicationwillresignactive: (UIApplication *) Application { - } +  A- (void) Applicationdidenterbackground: (UIApplication *) Application { at } -  -- (void) Applicationwillenterforeground: (UIApplication *) Application { - } -  -- (void) Applicationdidbecomeactive: (UIApplication *) Application { in } -  to- (void) Applicationwillterminate: (UIApplication *) Application { + } -  the @end

056 Adding an image to the button