#import <UIKit/UIKit.h>

//loading

#import "GPLoadingButton.h"

@interface ViewController : UIViewController

{

    //loading

    GPLoadingButton *loadingButton;

    UIView *backViewLoad;

}

@end

#import "ViewController.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，loading出现

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

    backViewLoad.hidden=NO;

    loadingButton.hidden=NO;

    [loadingButton startActivity];

    //5s后loading消失

    [self performSelector:@selector(loadingStop) withObject:nil afterDelay:2];

}

-(void)loadingStop

{

    backViewLoad.hidden=YES;

    loadingButton.hidden=YES;

    [loadingButton stopActivity];

}

#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=0.7;

    backViewLoad.hidden=YES;

    [self.view addSubview:backViewLoad];

    loadingButton = [[GPLoadingButton alloc] initWithFrame:CGRectMake(self.view.frame.size.width/2-20, (self.view.frame.size.height-38)/2-20, 40, 40)];

    loadingButton.rotatorColor = [UIColor colorWithRed:59/255.0 green:89/255.0 blue:152/255.0 alpha:1.0];

    loadingButton.hidden=YES;

    [self.view addSubview:loadingButton];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end