//准备工作
1.删除Main 2.ARC->MRC(YES->No) 3.删除文件(ViewConTroller.h/.m) 4.strong->retain(AppDelegate.H)5.重写dealloc
//第一步:创建window和当前屏幕一样大[UIScreen mainScreen].bounds
self.window = [UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
//第二步:设置window颜色
self.window.backgroungColor = [UIColor whiteColor];
//第三步:设置window可见
[self.window makeKeyAndVisible];
//第四步:xcode7崩溃解决
self.window.rootViewController = [UIViewController alloc]init];
[UIViewController alloc]init];
//第五步:内存管理
[_window release];
//1.创建试图 设置frame
UIView *firstView = [UIView alloc]initWithFrame:CGRectMake(0,0,100,100)];
//2.设置属性
firstView.bavkgroundColor = [UIColor redColor];
//3.添加到父试图(window)显示
[self.window addSubview:firstView];
//创建blueView
UIView *blueView = [UIView alloc] initWithFrame:CGRectMake(0,0,200,200)];
blueView.backgroundColor = [UIColor blueColor];
[self.window addSubview:blueView];
[blueView release];
//中心显示
//中心显示
//数值设置(绝对坐标)
blueView.center = CGPointMake(375/2,667/2);
//通过其他控制件位置设置(相对坐标)
blueView.center = self.window.center;
//改变frame
blueView.frame = CGRectMake(200,100,100,200);
//居中
self.window addSubView:blueView;
//显示隐藏
aView.hidden = NO;
//透明度alpha(0-1的浮点数)
aView.alpha = 1;
//标记值:tag
aView.tag = 1000;
//改变颜色:通过标记寻找试图
UIView*tempView = [self.window viewWithTag:1000];
te,pView.backgroundColor = [UIColor purpleColor];
//父视图(一个父视图只有一个父试图)
//子视图(一个视图可以有若干个子视图)
//随机颜色
cView.backgroundColor = [UIColor colorWithRed:arc4random() % 256 / 255.0 green:arc4random() % 256 / 255.0 blue:arc4random() % 256 / 255.0 alpha:1];
//UILabel
//1.创建+fram
UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(100, 100, 200, 100)];
//2.属性设置
label.backgroundColor = [UIColor yellowColor];
//3.添加父视图
[self.window addSubview:label];
//4.内存管理
[label release];
/******label文字相关属性*****/
//显示文字text
//默认左对齐/居中显示/文本黑色/行数为1/背景透明色
//居中改不了
//文本颜色 textColor
lable.textColor= [UIColor purpleColor];
//文本对齐方式 textAlignment
lable.textAlignment = NSTextAlignmentCenter;
//断行模式(文本省略方式)lineBreakMode
lable.lineBreakMode = NSLineBreakByTruncatingMiddle;//中间省略
//文本行数 numberOflines
//默认为1 为0时行数不限
label.numberOfLines = 0;
//label自适应 sizeToFit
//如果文本不足一行宽高一起改变
//如果文本超过一行 只改变高
//一定要写在设置text之后 如果写在之前 label的size会置为0
[label sizeToFit];
//字体 font
label.font = [UIFont systemFontOfSize:20];
//阴影 shadow
label.shadowColor = [UIColor blackColor];
//阴影偏移量
label.shadowOffset = CGSizeMake(10, 10);
//键盘回收:
//必须用到协议,设置代理人,实现方法;
-(BOOL)textFieldShouldReturn:(UITextField *)textField{
//获取第一响应
if(textField.tag ==设置的tag值){
[textField resignFieldResponder];
[[self.window viewWithTag:下一个tag值] becomeFirstResponder];}
if(textField.tag ==下一个tag值){
[textField resignFirstResponder];}
return YES;
//在输入框将要输入内容时 屏幕上移
-(BOOL)textFieldShouldBeginEditing:(UITextField *)textField{
if(textField.tag == tag值){
[UIView animateWithDuration:设置时间 animation:^{
self.window.center = CGPointMake(self.window.center.x,self.window.center.y - 258);
}];
}
return YES;
}
//输入结束时 屏幕下移
-(BOOL)textFieldShouldEndEditing:(UITextField *)textField{
if (textField.tag == 2000) {
[UIView animateWithDuration:0.3 animations:^{
self.window.center = CGPointMake(self.window.center.x, self.window.center.y + 258);
}];
}
return YES;
}
//在两个按钮上设置tag值 点击时让它变成自己想要的颜色
-(UIButton*)information:(UIButton*)sender {
if (sender.tag == 1001) {
NSLog(@"消息");
sender.backgroundColor = [UIColor cyanColor];
UIButton *tempButton = [self.view viewWithTag:1002];
tempButton.backgroundColor = [UIColor whiteColor];
} else if(sender.tag == 1002){
NSLog(@"电话");
sender.backgroundColor = [UIColor cyanColor];
UIButton *tempButton = [self.view viewWithTag:1001];
tempButton.backgroundColor = [UIColor whiteColor];
}
return sender;
}
UIControll控制类
addTarget:action:forControllEvents:
//添加响应事件(满足什么条件下 让某人调用方法)
UISegmentedControl
UISegmentedControl *seg=[[UISegmentedControl alloc] initWithtems:@[@"消息" ,@"电话",@"微信"]];
seg.Frame = CGRectMake(100,100,200,40);
[self.view addSubview:seg];
[seg release];
//选中分段下标
seg.selectedSegmentIndex = 0;
//一般不设置背景颜色 若要设置跟其他设置颜色的方法一样。
//渲染颜色
seg.tintColor = [UIColor lightGrayColor];
//插入新的分段
[seg insertSegmentWithTitle:@"陌陌" atIndex:2 animated:YES];
//创建两个不同颜色的view
self.redv = [[UIView alloc]initWithFrame:CGRectMake(50,200,300,300)];
self.redv.backgrounderColor = [UIColor refColor];
[self.view addSubview:self.redv];
[_redv release];
//相同的方法再建另一个颜色
//分段控制器的方法调用
-(void)segAction:(UISegmentedControl *)seg{if(seg.selectedSegmentIndex == 0)
[UIView transitionFrameView:self.greenV toView:self.redv duration:1 options:UIViewAnimationOptionTransitionFlipFromLeft completion:^(BOOL finished){
}];
}
if(seg.selectedSegmentIndex == 1){
[UIView TransitionFromView:self.redv toView:self.greenV duration:1 options:UIViewAnimationOptionTransitionFileFromLeft completion:^(BOOL finished){
}];
}
//UISlider滑块控制器
UISlider *sl = [[UISlider alloc] initWithFrame:CGRectMake(50,50,250,50)];
sl.backgroundColor = [UIColor yellowColor];
[self.view addSubview:sl];
[sl release];
//颜色设置:
//划过距离的颜色(滑块左)
sl.minimumTrackTintColor = [UIColor blackColor];
//未划过的距离颜色(滑块右)
sl.maxmumTrackTintColor =[UIColor redColor];
//滑块颜色:
sl.thumbTintColor =[UIColor greenColor];
//添加响应事件:
[sl.addTarget:self action:@selection(sliderAction:)forControlEvents:UIControlEventValueChanged];
//滑动范围:
//最小值:
sl.minimumValue = -100;
//最大值:
sl.maximumValue = 1000;
//更新滑块的起始点:
sl.value = -100;
//滑块控制器的方法调用:
-(void)sliderAction:(UISlider *)sl{
NSLog(@"%f",sl.value);
}
//页码控制器:
UIPageControl *pc = [[UIPageControl alloc]initWithFrame:CGRectMake:(50,150,100,50)];
pc.backgroundColor = [UIColor blackColor];
[self.view addSubview:pc];
[pc release];
//页数:
pc.numberOfPages = 4;
//当前页:
pc.currentPage = 3;
//页码颜色:
pc.pageIndicatorTintColor = [UIColor greenColor];
//当前页颜色:
pc.currentPageIndicatorTintColor = [UIColor redColor];
//响应事件:
[pc.addTarget:self action:@selection(pageAction:)forControlEvents:UIControlEventValueChanged];
//页码控制器的方法调用:
-(void)pageAction:(UIPageControl *)page{
NSLog(@"%ld",page.currentPage);
}
//开关控制器:
UISwitch *sw = [[UISwitch alloc]initWithFrame:CGRectMake(250,150,100,50)];
sw.backgroundColor = [UIColor whiteColor];
[self.view addSubview:sw];
[sw addTarget:self action:@selector(switchAction:)forControlEvents:UIControlEventValueChanged];
[sw release];
//开关属性:
sw.on = YES;
sw.tintColor = [UIColor blackColor];
sw.thumbTintColor = [UIColor redColor];
sw.onTintColor = [UIColor purpleColor];
//开关判断:
-(void)switchAction:(UISwitch *)sw{
if(sw.on){
NSLog(@"开启");
}else{
NSLog(@"关闭");
}
}
//创建vc
RootViewController *rootVC = [[RootViewController alloc]init];
//根视图
self.window.rootViewController = rootVC;
#pragma mark - 初始化
-(instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
NSLog(@"初始化");
}
return self;
}
#pragma mark - 加载视图
-(void)loadView{
//重写时 一定要写super
//loadView方法 负责创建self.view
[super loadView];
NSLog(@"加载视图");
}
#pragma mark - 视图已经加载
- (void)viewDidLoad {
[super viewDidLoad];
NSLog(@"视图已经加载");
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColor lightGrayColor];
//UI导航控制器
//创建VC
ViewController *root = [[ViewController alloc] init];
//导航控制器: 管理控制器的控制器
//创建导航
UINavigationController *navi = [[UINavigationController alloc]initWithRootViewController:root];
//把导航设置为根视图
self.window.rootViewController = navi;
//导航栏设置:controller(栏)/item(栏上的元素)
//导航栏显示/隐藏
self.navigationController.navigationBarHidden = NO/YES;
//栏样式
self.navigationController.navigationBar.barStyle = UIBarStyleBlack;
//半透明效果
//开启效果时 屏幕左上角为坐标原点
//关闭时 导航栏的左下角为坐标原点
self.navigationController.navigationBar.translucent = YES;
//栏背景颜色
self.navigationController.navigationBar.backgroundColor = [UIColor yellowColor];
//栏颜色
self.navigationController.navigationBar.barTintColor = [UIColor blackColor];
//栏标题
// self.title = @"这是一个标题 ";
self.navigationItem.title = @"Back";
//分段
UISegmentedControl *seg = [[[UISegmentedControl alloc]initWithItems:@[@"消息",@"电话"]] autorelease];
seg.frame = CGRectMake(0, 0, 100, 30);
//栏标题视图
self.navigationItem.titleView = seg;
//栏左侧按钮
self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCamera target:self action:@selector(left:)] autorelease];
//栏右按钮
//系统按钮样式
UIBarButtonItem *b1 = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash target:self action:@selector(right1)] autorelease];
//自定义按钮图片
UIBarButtonItem *b2 = [[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"gift.png"] style:UIBarButtonItemStylePlain target:self action:@selector(right2)] autorelease];
self.navigationItem.rightBarButtonItems = @[b1,b2];
//修改导航栏上内容的颜色
self.navigationController.navigationBar.tintColor = [UIColor whiteColor];
//跳转页面
UIButton *btn = [UIButton buttonWithType:UIButtonTypeSystem];
btn.frame = CGRectMake(200, 200, 100, 100);
btn.backgroundColor = [UIColor yellowColor];
[self.view addSubview:btn];
[btn addTarget:self action:@selector(goTwo) forControlEvents:UIControlEventTouchUpInside];
#pragma mark - 跳转页面
-(void)goTwo{
//1.获取第二页面对象
TwoViewController *twoVC = [[TwoViewController alloc] init];
//2.跳转(由导航控制器 从当前push到第二页)
[self.navigationController pushViewController:twoVC animated:YES];
//3.内存管理
[twoVC release];
}
//UI页面间传值
#warning 属性1: 在第二页声明一个属性 用来保存数据
@property(nonatomic,copy)NSString *string;
#warning 属性2: 在push页面之前传值(创建对象之后 push之前)
twoVC.string = self.tf1.text;
#warning 属性3: 通过属性给当前页内容赋值
self.tf2.text = self.string;
#warning 协议1: 声明协议(定义一个带参数的方法)
@protocol PassDelegate
#warning 协议2: 定义代理人属性
@property(nonatomic,assign)iddelegate;
#warning 协议3: 返回上一页之前 让代理人调用协议方法
[self.delegate passValue:self.tf2.text];
[self.navigationController popViewControllerAnimated:YES];
#warning 协议4: 签协议
@interface RootViewController ()
#warning 协议5: 设置代理人
//为了保证设置代理人的对象和push的对象是一个 在创建push对象之前 设置delegate.
twoVC.delegate = self;
[self.navigationController pushViewController:twoVC animated:YES];
[twoVC release];
}
#warning 协议6: 实现协议方法
-(void)passValue:(NSString *)string{
//把收到的string 赋值给输入框
self.tf1.text = string;
}
//UIButton
//1.常见属性
1> titleLabel获取内部的UILabel对象
2> imageView获取内部的UIImageView对象
//2.常见方法
// 设置内部UILabel显示的文本内容
//设置按钮文本的时候不能 btn.titleLabel.text = @"4324324";
- (void)setTitle:(NSString *)title forState:(UIControlState)state;
//设置内部UILabel的文字颜色
- (void)setTitleColor:(UIColor *)color forState:(UIControlState)state;
// 设置内部UILabel的文字阴影颜色
- (void)setTitleShadowColor:(UIColor *)color forState:(UIControlState)state;
//设置内部UIImageView的图片
//设置内部UIImageView的图片不能:btn.imageView.image = [UIImage imagedName:@"0.png"];
- (void)setImage:(UIImage *)image forState:(UIControlState)state;
// 设置背景图片
- (void)setBackgroundImage:(UIImage *)image forState:(UIControlState)state;
//下面两个方法需要交给子类去重写,然后用于重新布局button。
//返回内部UILabel的frame(位置和尺寸)
- (CGRect)titleRectForContentRect:(CGRect)contentRect;
//返回内部UIImageView的frame(位置和尺寸)
- (CGRect)imageRectForContentRect:(CGRect)contentRect;
//下面这些方法可以获取不同状态下的一些属性值
- (NSString *)titleForState:(UIControlState)state;
- (UIColor *)titleColorForState:(UIControlState)state;
- (UIColor *)titleShadowColorForState:(UIControlState)state;
- (UIImage *)imageForState:(UIControlState)state;
- (UIImage *)backgroundImageForState:(UIControlState)state;