【代码笔记】iOS-自定义loading(IanAlert)

来源：互联网发布：漫步者s1000 知乎编辑：程序博客网时间：2024/06/06 09:02

一，效果图。

二，工程图。

三，代码。

ViewController.h

#import <UIKit/UIKit.h>@interface ViewController : UIViewController{    //loading    UIView *backViewLoad;}@end

ViewController.m

#import "ViewController.h"//loading#import "IanAlert.h"@interface ViewController ()@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.        //loading    [self addLoadingView];}//点击任何处显示loading-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{    //loading    backViewLoad.hidden=NO;    [IanAlert showloading];    [self performSelector:@selector(loadStop) withObject:nil afterDelay:2.0];}//停止loading-(void)loadStop{    backViewLoad.hidden=YES;    [IanAlert hideLoading];}#pragma -mark --loading-------(void)addLoadingView{    backViewLoad=[[UIView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];    backViewLoad.backgroundColor=[UIColor blackColor];    backViewLoad.alpha=0.8;    backViewLoad.hidden=YES;    [self.view addSubview:backViewLoad];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}@end

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