UI2_UISwitch与UIActivity

//

//  ViewController.m

//  UI2_UISwitch与UIActivity

//

//  Created by zhangxueming on 15/7/7.

//  Copyright (c) 2015年 zhangxueming. All rights reserved.

//



#import "ViewController.h"



@interface ViewController ()



@end



@implementation ViewController



- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    //开关的尺寸固定大小(51*31)

    UISwitch *sw = [[UISwitch alloc] initWithFrame:CGRectMake(100, 200, 0, 0)];

    NSLog(@"sw = %@", sw);

    sw.thumbTintColor = [UIColor redColor];

    sw.tintColor = [UIColor blueColor];

    sw.onTintColor = [UIColor yellowColor];

    [sw addTarget:self action:@selector(swichValueChanged:) forControlEvents:UIControlEventValueChanged];

    //动画打开开关

    [sw setOn:YES animated:YES];

    [self.view addSubview:sw];

    

    

    //活动指示器

    UIActivityIndicatorView * indicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];

    [self.view addSubview:indicatorView];

    indicatorView.center = self.view.center;

    [indicatorView startAnimating];

    indicatorView.tag =100;

    self.view.backgroundColor = [UIColor blackColor];

}



- (void)swichValueChanged:(UISwitch *)sw

{

    NSLog(@"sw value = %i", sw.on);

    UIActivityIndicatorView *indicator = (UIActivityIndicatorView *)[self.view viewWithTag:100];

    if (sw.isOn) {

        [indicator startAnimating];

    }

    else{

        [indicator stopAnimating];

    }

}



- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}



@end