057 Adjust the edge spacing of the buttons on the screen

The effect is as follows:

ViewController.h

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

Viewcontroller.m

1 #import "ViewController.h"2 3 @interfaceViewcontroller ()4- (void) Disablestateswitch: (Uiswitch *) sender;5- (void) Buttondidpush;6 @end7 8 @implementationViewcontroller9 Ten- (void) Viewdidload { One [Super Viewdidload]; ASelf.view.backgroundColor =[Uicolor Whitecolor]; -Self.navigationItem.title =@"Adjust the edge spacing of buttons on the screen"; -Uiswitch *swtdisablestate =[[Uiswitch alloc] init]; theSwtdisablestate.on =YES; - [swtdisablestate addtarget:self Action: @selector (Disablestateswitch:) forControlEvents: Uicontroleventvaluechanged]; -Uibarbuttonitem *barbtndisablestate =[[Uibarbuttonitem alloc] initwithcustomview:swtdisablestate]; - [self settoolbaritems:@[barbtndisablestate] animated:yes]; +      -_btntitleedgeinsets =[UIButton Buttonwithtype:uibuttontypecustom]; +_btntitleedgeinsets.frame = CGRectMake (0,0, the, -); A_btntitleedgeinsets.center =Self.view.center; at_btntitleedgeinsets.backgroundcolor =[Uicolor Whitecolor]; -_btntitleedgeinsets.layer.maskstobounds =YES; -_btntitleedgeinsets.layer.cornerradius =8.0; -     //Set Button caption font and shadow color, line Count -_btntitleedgeinsets.titlelabel.font = [Uifont boldsystemfontofsize: -]; -_btntitleedgeinsets.titlelabel.shadowoffset = Cgsizemake (2.0,2.0); in_btntitleedgeinsets.titlelabel.numberoflines =2; -     //set display characteristics in normal state to[_btntitleedgeinsets Settitle:@"Click I do state picture toggle + and adjust the edge spacing"Forstate:uicontrolstatenormal]; - [_btntitleedgeinsets Settitlecolor:[uicolor Blackcolor] forstate:uicontrolstatenormal]; the [_btntitleedgeinsets Settitleshadowcolor:[uicolor Graycolor] forstate:uicontrolstatenormal]; *      $     //add a picture for each state of the buttonPanax Notoginseng[_btntitleedgeinsets setimage:[uiimage imagenamed:@"Dognormal"] forstate:uicontrolstatenormal]; -[_btntitleedgeinsets setimage:[uiimage imagenamed:@"doghighlighted"] forstate:uicontrolstatehighlighted]; the[_btntitleedgeinsets setimage:[uiimage imagenamed:@"dogdisabled"] forstate:uicontrolstatedisabled]; +     //set background picture in normal state AUIImage *imgstretchable = [[UIImage imagenamed:@"Frame"] Stretchableimagewithleftcapwidth: -Topcapheight: -]; the [_btntitleedgeinsets setbackgroundimage:imgstretchable forstate:uicontrolstatenormal]; +      -     //set the internal edge spacing of a button $ uiedgeinsets edgeinsets; $Edgeinsets.left = Edgeinsets.right = Edgeinsets.top = Edgeinsets.bottom =0; -_btntitleedgeinsets.titleedgeinsets =edgeinsets; - [_btntitleedgeinsets addtarget:self Action: @selector (Buttondidpush) forControlEvents: UIControlEventTouchUpInside]; the      - [Self.view addsubview:_btntitleedgeinsets];Wuyi } the  -- (void) didreceivememorywarning { Wu [Super didreceivememorywarning]; -     //Dispose of any resources the can be recreated. About } $  -- (void) Viewwillappear: (BOOL) Animated { - [Super viewwillappear:animated]; - [Self.navigationcontroller setnavigationbarhidden:no animated:animated]; A [Self.navigationcontroller settoolbarhidden:no animated:animated]; + } the  -- (void) Disablestateswitch: (Uiswitch *) Sender { $_btntitleedgeinsets.enabled =Sender.on; the } the  the- (void) Buttondidpush { the uiedgeinsets edgeinsets; -Edgeinsets.left =-80.0; inEdgeinsets.right = Edgeinsets.top = Edgeinsets.bottom =0; the     if(_btntitleedgeinsets.contentedgeinsets.left = =edgeinsets.left) { theEdgeinsets.left =60.0; About     } the_btntitleedgeinsets.contentedgeinsets =edgeinsets; the      the     if(_btntitleedgeinsets.titleedgeinsets.left = =0) { +Edgeinsets.left =30.0; -_btntitleedgeinsets.titleedgeinsets =edgeinsets; the     }Bayi } the  the @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

057 Adjust the edge spacing of the buttons on the screen