【代码笔记】iOS-自定义loading(IanAlert)

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController
{
//loading
UIView *backViewLoad;

}
@end

#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