实现基本交互Oc

#import <UIKit/UIKit.h>

@interface AppDelegate :
UIResponder <UIApplicationDelegate>

@property (strong,
nonatomic) UIWindow *window;

@end

#import "ViewController.h"

@interface
ViewController ()

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

@end

@implementation ViewController

- (IBAction)buttonPressed:(UIButton *)sender {

   
//通过sender参数获取被点击的按钮的标题

    NSString * title = [sender
titleForState:UIControlStateNormal];

   
//创建一个新的字符串（新的字符串的内容是在上一行代码获取到的按钮标题末尾添加（你最逗！）文本拼接而成的。）

    NSString * plainText = [NSString
stringWithFormat:@"%@
你最逗！",title];

   
//把这个新的字符串赋给标签的text属性，这样就可以改变标签的显示文本

    //_statusLabel.text = plainText;

    NSMutableAttributedString * styledText = [[NSMutableAttributedString
alloc]initWithString:plainText];

    NSDictionary * attributes =@{

                                 NSFontAttributeName : [UIFont
boldSystemFontOfSize:_statusLabel.font.pointSize]

                                 };

    NSRange nameRange =[plainText
rangeOfString:title];

    

    [styledText setAttributes:attributes
range:nameRange];

    _statusLabel.attributedText = styledText;

}

- (void)viewDidLoad {

    [super
viewDidLoad];

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

}

- (void)didReceiveMemoryWarning {

    [super
didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end

#import <UIKit/UIKit.h>

#import "AppDelegate.h"

int main(int argc,
char * argv[]) {

    @autoreleasepool {

        return
UIApplicationMain(argc, argv,
nil,
NSStringFromClass([AppDelegate
class]));

    }

}

#import <XCTest/XCTest.h>

@interface ______OCTests :
XCTestCase

@end

@implementation ______OCTests

- (void)setUp {

    [super
setUp];

    // Put setup code here. This method is called before the invocation of each test method in the class.

}

- (void)tearDown {

    // Put teardown code here. This method is called after the invocation of each test method in the class.

    [super
tearDown];

}

- (void)testExample {

    // This is an example of a functional test case.

    // Use XCTAssert and related functions to verify your tests produce the correct results.

}

- (void)testPerformanceExample {

    // This is an example of a performance test case.

    [self
measureBlock:^{

        // Put the code you want to measure the time of here.

    }];

}

@end

#import <XCTest/XCTest.h>

@interface ______OCUITests :
XCTestCase

@end

@implementation ______OCUITests

- (void)setUp {

    [super
setUp];

    

    // Put setup code here. This method is called before the invocation of each test method in the class.

    

    // In UI tests it is usually best to stop immediately when a failure occurs.

    self.continueAfterFailure =
NO;

    // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method.

    [[[XCUIApplication
alloc]
init] launch];

    

    // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this.

}

- (void)tearDown {

    // Put teardown code here. This method is called after the invocation of each test method in the class.

    [super
tearDown];

}

- (void)testExample {
af50

    // Use recording to get started writing UI tests.

    // Use XCTAssert and related functions to verify your tests produce the correct results.

}

@end



然后是storyboard操作结果图：



TouchDown 是鼠标落下的瞬间立刻产生事件

Sent Events的含义： Did
End On Exit：用户点击return或者done按钮

Editing Changed：字符增减，Cuisor改变位置等

Editing Did Begin：当field得到焦点

Editing Did end：焦点离开field

Touch Cancel：一个系统的事件，取消当前区域的点击操作

Touch Down：一个区域内的touch－down事件

Touch Down Repeat：区域内重复的touch－down事件；UITouch的tapCount方法大于1

Touch Drag Enter：手指拖进入（into）区域内的事件

Touch Drag Exit：手指从区域内拖出边界的事件

Touch Drag Inside：手指在区域内（inside）拖的事件

Touch Up Inside：手指在区域内触发的touch－up事件

Touch Up Outside：按下在区域外结束的事件

Value Changed：一个点击拖拽或者操作一个区域，产生一系列的值

运行结果如下图只用用手触摸按钮就会出发一个事件：