//準備工作
1.刪除Main 2.ARC->MRC(YES->No) 3.刪除文件（ViewConTroller.h/.m） 4.strong->retain(AppDelegate.H)5.重寫dealloc
//第一步：創(chuàng)建window和當前屏幕一樣大[UIScreen mainScreen].bounds
self.window = [UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
//第二步：設置window顏色
self.window.backgroungColor = [UIColor whiteColor];
//第三步：設置window可見
[self.window makeKeyAndVisible];
//第四步：xcode7崩潰解決
self.window.rootViewController = [UIViewController alloc]init];
[UIViewController alloc]init];
//第五步：內(nèi)存管理
[_window release];
//1.創(chuàng)建試圖 設置frame
UIView *firstView = [UIView alloc]initWithFrame:CGRectMake(0,0,100,100)];
//2.設置屬性
firstView.bavkgroundColor = [UIColor redColor];
//3.添加到父試圖（window）顯示
[self.window addSubview：firstView];
//創(chuàng)建blueView
UIView *blueView = [UIView alloc] initWithFrame:CGRectMake(0,0,200,200)];
blueView.backgroundColor = [UIColor blueColor];
[self.window addSubview：blueView];
[blueView release];
//中心顯示
//中心顯示
//數(shù)值設置（絕對坐標）
blueView.center = CGPointMake(375/2,667/2);
//通過其他控制件位置設置（相對坐標）
blueView.center = self.window.center;
//改變frame
blueView.frame = CGRectMake(200,100,100,200);
//居中
self.window addSubView:blueView;
//顯示隱藏
aView.hidden = NO;
//透明度alpha(0-1的浮點數(shù))
aView.alpha = 1;
//標記值：tag
aView.tag = 1000;
//改變顏色：通過標記尋找試圖
UIView*tempView = [self.window viewWithTag:1000];
te,pView.backgroundColor = [UIColor purpleColor];
//父視圖（一個父視圖只有一個父試圖）
//子視圖（一個視圖可以有若干個子視圖）
//隨機顏色
cView.backgroundColor = [UIColor colorWithRed:arc4random() % 256 / 255.0 green:arc4random() % 256 / 255.0 blue:arc4random() % 256 / 255.0 alpha:1];
//UILabel
//1.創(chuàng)建+fram
? ?UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(100, 100, 200, 100)];
? ?//2.屬性設置
? ?label.backgroundColor = [UIColor yellowColor];
? ?//3.添加父視圖
? ?[self.window addSubview:label];
? ?//4.內(nèi)存管理
? ?[label release];
/******label文字相關屬性*****/
//顯示文字text
//默認左對齊/居中顯示/文本黑色/行數(shù)為1/背景透明色
//居中改不了
//文本顏色 textColor
lable.textColor= [UIColor purpleColor];
//文本對齊方式 textAlignment
lable.textAlignment = NSTextAlignmentCenter;
//斷行模式（文本省略方式）lineBreakMode
lable.lineBreakMode = NSLineBreakByTruncatingMiddle;//中間省略
//文本行數(shù) numberOflines
? ?//默認為1 為0時行數(shù)不限
? ?label.numberOfLines = 0;
? ?//label自適應 sizeToFit
? ?//如果文本不足一行寬高一起改變
? ?//如果文本超過一行 只改變高
? ?//一定要寫在設置text之后 如果寫在之前 label的size會置為0
? ?[label sizeToFit];
? ?//字體 font
? ?label.font = [UIFont systemFontOfSize:20];
? ?//陰影 shadow
? ?label.shadowColor = [UIColor blackColor];
? ?//陰影偏移量
? ?label.shadowOffset = CGSizeMake(10, 10);
//鍵盤回收:
//必須用到協(xié)議,設置代理人,實現(xiàn)方法;
-(BOOL)textFieldShouldReturn:(UITextField *)textField{
//獲取第一響應
if(textField.tag ==設置的tag值){
[textField resignFieldResponder];
[[self.window viewWithTag:下一個tag值] becomeFirstResponder];}
if(textField.tag ==下一個tag值){
[textField resignFirstResponder];}
return YES;
//在輸入框?qū)⒁斎雰?nèi)容時 屏幕上移
-(BOOL)textFieldShouldBeginEditing:(UITextField *)textField{
if(textField.tag == tag值){
[UIView animateWithDuration:設置時間 animation:^{
self.window.center = CGPointMake(self.window.center.x,self.window.center.y - 258);
}];
}
return YES;
}
//輸入結(jié)束時 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;
}
//在兩個按鈕上設置tag值 點擊時讓它變成自己想要的顏色
-(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(@"電話");
sender.backgroundColor = [UIColor cyanColor];
UIButton *tempButton = [self.view viewWithTag:1001];
tempButton.backgroundColor = [UIColor whiteColor];
}
return sender;
}
UIControll控制類
addTarget:action:forControllEvents:
//添加響應事件(滿足什么條件下 讓某人調(diào)用方法)
UISegmentedControl
UISegmentedControl *seg=[[UISegmentedControl alloc] initWithtems:@[@"消息" ，@"電話"，@"微信"]];
seg.Frame = CGRectMake(100,100,200,40);
[self.view addSubview:seg];
[seg release];
//選中分段下標
seg.selectedSegmentIndex = 0;
//一般不設置背景顏色 ?若要設置跟其他設置顏色的方法一樣。
//渲染顏色
seg.tintColor = [UIColor lightGrayColor];
//插入新的分段
[seg insertSegmentWithTitle:@"陌陌" atIndex:2 animated:YES];
//創(chuàng)建兩個不同顏色的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個顏色
//分段控制器的方法調(diào)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滑塊控制器
UISlider *sl = [[UISlider alloc] initWithFrame:CGRectMake(50,50,250,50)];
sl.backgroundColor = [UIColor yellowColor];
[self.view addSubview:sl];
[sl release];
//顏色設置:
//劃過距離的顏色(滑塊左)
sl.minimumTrackTintColor = [UIColor blackColor];
//未劃過的距離顏色（滑塊右）
sl.maxmumTrackTintColor =[UIColor redColor];
//滑塊顏色:
sl.thumbTintColor =[UIColor greenColor];
//添加響應事件:
[sl.addTarget:self action:@selection(sliderAction:)forControlEvents:UIControlEventValueChanged];
//滑動范圍:
//最小值:
sl.minimumValue = -100;
//最大值:
sl.maximumValue = 1000;
//更新滑塊的起始點:
sl.value = -100;
//滑塊控制器的方法調(diào)用:
-(void)sliderAction:(UISlider *)sl{
NSLog(@"％f",sl.value);
}
//頁碼控制器:
UIPageControl *pc = [[UIPageControl alloc]initWithFrame:CGRectMake:(50,150,100,50)];
pc.backgroundColor = [UIColor blackColor];
[self.view addSubview:pc];
[pc release];
//頁數(shù):
pc.numberOfPages = 4;
//當前頁:
pc.currentPage = 3;
//頁碼顏色:
pc.pageIndicatorTintColor = [UIColor greenColor];
//當前頁顏色:
pc.currentPageIndicatorTintColor = [UIColor redColor];
//響應事件:
[pc.addTarget:self action:@selection(pageAction:)forControlEvents:UIControlEventValueChanged];
//頁碼控制器的方法調(diào)用:
-(void)pageAction:(UIPageControl *)page{
NSLog(@"％ld",page.currentPage);
}
//開關控制器:
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];
//開關屬性:
sw.on = YES;
sw.tintColor = [UIColor blackColor];
sw.thumbTintColor = [UIColor redColor];
sw.onTintColor = [UIColor purpleColor];
//開關判斷:
-(void)switchAction:(UISwitch *)sw{
if(sw.on){
NSLog(@"開啟");
}else{
NSLog(@"關閉");
}
}
//創(chuàng)建vc
RootViewController *rootVC = [[RootViewController alloc]init];
//根視圖
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 - 加載視圖
-(void)loadView{
//重寫時 一定要寫super
//loadView方法 負責創(chuàng)建self.view
[super loadView];
NSLog(@"加載視圖");
}
#pragma mark - 視圖已經(jīng)加載
- (void)viewDidLoad {
[super viewDidLoad];
NSLog(@"視圖已經(jīng)加載");
// Do any additional setup after loading the view.
self.view.backgroundColor = [UIColor lightGrayColor];
//UI導航控制器
//創(chuàng)建VC
ViewController *root = [[ViewController alloc] init];
//導航控制器: 管理控制器的控制器
//創(chuàng)建導航
UINavigationController *navi = [[UINavigationController alloc]initWithRootViewController:root];
//把導航設置為根視圖
self.window.rootViewController = navi;
//導航欄設置:controller(欄)/item(欄上的元素)
//導航欄顯示/隱藏
self.navigationController.navigationBarHidden = NO/YES;
//欄樣式
self.navigationController.navigationBar.barStyle = UIBarStyleBlack;
//半透明效果
//開啟效果時 屏幕左上角為坐標原點
//關閉時 導航欄的左下角為坐標原點
self.navigationController.navigationBar.translucent = YES;
//欄背景顏色
self.navigationController.navigationBar.backgroundColor = [UIColor yellowColor];
//欄顏色
self.navigationController.navigationBar.barTintColor = [UIColor blackColor];
//欄標題
// ? ?self.title = @"這是一個標題 ";
self.navigationItem.title = @"Back";
//分段
UISegmentedControl *seg = [[[UISegmentedControl alloc]initWithItems:@[@"消息",@"電話"]] autorelease];
seg.frame = CGRectMake(0, 0, 100, 30);
//欄標題視圖
self.navigationItem.titleView = seg;
//欄左側(cè)按鈕
self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCamera target:self action:@selector(left:)] autorelease];
//欄右按鈕
//系統(tǒng)按鈕樣式
UIBarButtonItem *b1 = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash target:self action:@selector(right1)] autorelease];
//自定義按鈕圖片
UIBarButtonItem *b2 = [[[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"gift.png"] style:UIBarButtonItemStylePlain target:self action:@selector(right2)] autorelease];
self.navigationItem.rightBarButtonItems = @[b1,b2];
//修改導航欄上內(nèi)容的顏色
self.navigationController.navigationBar.tintColor = [UIColor whiteColor];
//跳轉(zhuǎn)頁面
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 - 跳轉(zhuǎn)頁面
-(void)goTwo{
//1.獲取第二頁面對象
TwoViewController *twoVC = [[TwoViewController alloc] init];
//2.跳轉(zhuǎn)(由導航控制器 從當前push到第二頁)
[self.navigationController pushViewController:twoVC animated:YES];
//3.內(nèi)存管理
[twoVC release];
}
//UI頁面間傳值
#warning 屬性1: 在第二頁聲明一個屬性 用來保存數(shù)據(jù)
@property(nonatomic,copy)NSString *string;
#warning 屬性2: 在push頁面之前傳值(創(chuàng)建對象之后 push之前)
twoVC.string = self.tf1.text;
#warning 屬性3: 通過屬性給當前頁內(nèi)容賦值
self.tf2.text = self.string;
#warning 協(xié)議1: 聲明協(xié)議(定義一個帶參數(shù)的方法)
@protocol PassDelegate
#warning 協(xié)議2: 定義代理人屬性
@property(nonatomic,assign)iddelegate;
#warning 協(xié)議3: 返回上一頁之前 讓代理人調(diào)用協(xié)議方法
[self.delegate passValue:self.tf2.text];
[self.navigationController popViewControllerAnimated:YES];
#warning 協(xié)議4: 簽協(xié)議
@interface RootViewController ()
#warning 協(xié)議5: 設置代理人
//為了保證設置代理人的對象和push的對象是一個 在創(chuàng)建push對象之前 設置delegate.
twoVC.delegate = self;
[self.navigationController pushViewController:twoVC animated:YES];
[twoVC release];
}
#warning 協(xié)議6: 實現(xiàn)協(xié)議方法
-(void)passValue:(NSString *)string{
//把收到的string 賦值給輸入框
self.tf1.text = string;
}
//UIButton
//1.常見屬性
1> titleLabel獲取內(nèi)部的UILabel對象
2> imageView獲取內(nèi)部的UIImageView對象
//2.常見方法
// 設置內(nèi)部UILabel顯示的文本內(nèi)容
//設置按鈕文本的時候不能? btn.titleLabel.text = @"4324324";
- (void)setTitle:(NSString *)title forState:(UIControlState)state;
//設置內(nèi)部UILabel的文字顏色
- (void)setTitleColor:(UIColor *)color forState:(UIControlState)state;
// 設置內(nèi)部UILabel的文字陰影顏色
- (void)setTitleShadowColor:(UIColor *)color forState:(UIControlState)state;
//設置內(nèi)部UIImageView的圖片
//設置內(nèi)部UIImageView的圖片不能：btn.imageView.image = [UIImage imagedName:@"0.png"];
- (void)setImage:(UIImage *)image forState:(UIControlState)state;
// 設置背景圖片
- (void)setBackgroundImage:(UIImage *)image forState:(UIControlState)state;
//下面兩個方法需要交給子類去重寫，然后用于重新布局button。
//返回內(nèi)部UILabel的frame（位置和尺寸）
- (CGRect)titleRectForContentRect:(CGRect)contentRect;
//返回內(nèi)部UIImageView的frame（位置和尺寸）
- (CGRect)imageRectForContentRect:(CGRect)contentRect;
//下面這些方法可以獲取不同狀態(tài)下的一些屬性值
- (NSString *)titleForState:(UIControlState)state;
- (UIColor *)titleColorForState:(UIControlState)state;
- (UIColor *)titleShadowColorForState:(UIControlState)state;
- (UIImage *)imageForState:(UIControlState)state;
- (UIImage *)backgroundImageForState:(UIControlState)state;
