IOS學(xué)習(xí)—控件的綜合練習(xí)

    //
    // ViewController.h
    // 圖片瀏覽器
    //
    // 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
    // 圖片瀏覽器
    //
    // 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];
    // 要訪問項(xiàng)目中的所有資源用mainBundle
    NSBundle *bundle = [NSBundle mainBundle];
    NSString *filePath = [bundle pathForResource:@"imageMessages" ofType:@"plist"];
    // 讀取文件要傳入絕對(duì)路徑
    _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 {
    // 這里的%.f即為不保留小數(shù)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 注意這里的寫法，如果信息處理不同的話，多用這種方式重構(gòu)代碼
    -(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