//

// ViewController.h

// 图片浏览器

//

// Created by on 15/4/14.

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

//

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

@property (weak, nonatomic) IBOutlet UIImageView *imageView;

@property (weak, nonatomic) IBOutlet UILabel *imageValue;

@property (weak, nonatomic) IBOutlet UILabel *imageDesc;

@property (weak, nonatomic) IBOutlet UIView *settingView;

- (IBAction)valueChange:(UISlider *)sender;

- (IBAction)settingButton;

- (IBAction)darkModel:(UISwitch *)sender;

- (IBAction)imageSize:(UISlider *)sender;

@end

//

// ViewController.m

// 图片浏览器

//

// Created by on 15/4/14.

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

//

#import "ViewController.h"

@interface ViewController ()

{

NSArray *_imageMess;

}

@end

@implementation ViewController

- (void)viewDidLoad {

[super viewDidLoad];

// 要访问项目中的所有资源用mainBundle

NSBundle *bundle = [NSBundle mainBundle];

NSString *filePath = [bundle pathForResource:@"imageMessages" ofType:@"plist"];

// 读取文件要传入绝对路径

_imageMess = [NSArray arrayWithContentsOfFile:filePath];

NSDictionary *dic = _imageMess[0];

NSString *imageName = [dic objectForKey:@"icon"];

_imageView.image = [UIImage imageNamed:imageName];

NSString *imageMessage = [dic objectForKey:@"title"];

_imageDesc.text = imageMessage;

}

- (void)didReceiveMemoryWarning {

[super didReceiveMemoryWarning];

// Dispose of any resources that can be recreated.

}

- (IBAction)valueChange:(UISlider *)sender {

// 这里的%.f即为不保留小数位，四舍五入

// NSString *imageName = [NSString stringWithFormat:@"%.f", sender.value];

NSDictionary *dic = _imageMess[(int)sender.value - 1];

NSString *imageName = [dic objectForKey:@"icon"];

_imageView.image = [UIImage imageNamed:imageName];

NSString *imageValue = [NSString stringWithFormat:@"%.f/%.f", sender.value, sender.maximumValue];

_imageValue.text = imageValue;

NSString *imageMessage = [dic objectForKey:@"title"];

_imageDesc.text = imageMessage;

}

#pragma mark 注意这里的写法，如果信息处理不同的话，多用这种方式重构代码

-(void)animationCustom:(void (^)())block {

[UIView beginAnimations:nil context:nil];

[UIView setAnimationDuration:0.35];

block();

[UIView commitAnimations];

}

- (IBAction)settingButton {

CGFloat viewHeight = _settingView.frame.size.height;

[self animationCustom:^{

if (_settingView.frame.origin.y == self.view.frame.size.height) {

CGRect frame = _settingView.frame;

frame.origin.y -= viewHeight;

_settingView.frame = frame;

} else {

CGRect frame = _settingView.frame;

frame.origin.y += viewHeight;

_settingView.frame = frame;

}

}];

}

- (IBAction)darkModel:(UISwitch *)sender {

if (sender.on) {

self.view.backgroundColor = [UIColor darkGrayColor];

} else {

self.view.backgroundColor = [UIColor whiteColor];

}

}

- (IBAction)imageSize:(UISlider *)sender {

_imageView.transform = CGAffineTransformMakeScale(sender.value, sender.value);

}

@end

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