UI UI基本控件

//
//  VisionAppDelegate.m
//  UI基本空间
//  Copyright (c) 2014年 Vision. All rights reserved.
//

#import "VisionAppDelegate.h"

@implementation VisionAppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// Override point for customization after application launch.
self.window.backgroundColor = [UIColor whiteColor];
[self.window makeKeyAndVisible];

UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(30, 30, 280, 60)];
label.backgroundColor = [UIColor redColor];
[self.window addSubview:label];
//label的属性设置

//显示的文本信息
label.text = @"显示的文本信息";

//文本颜色
label.textColor = [UIColor yellowColor];

//文本阴影颜色
label.shadowColor = [UIColor blueColor];

//文本阴影偏移量
label.shadowOffset = CGSizeMake(3, 3);

//文本格式处理(对齐方式)
label.textAlignment  = NSTextAlignmentCenter;

//当文本过长时, label显示的断行方式
label.lineBreakMode = NSLineBreakByTruncatingHead;

//控制label显示的行数
label.numberOfLines = 0;

//系统默认字体大小17
label.font = [UIFont systemFontOfSize:20];
//    label.font = [UIFont fontWithName:[[UIFont familyNames]objectAtIndex:25] size:19];

label.tag = 10;
[label release];

//UITextFied

UITextField *name = [[UITextField alloc]initWithFrame:CGRectMake(30,100, 280, 30)];
//默认的占位字符串 一旦输入 自动隐藏
name.placeholder = @"请在这里输入";
//输入控制
//输入转换为黑点
name.secureTextEntry = YES;
//更改键盘类型
name.keyboardType = UIKeyboardTypeASCIICapable;

//外观控制
name.borderStyle = UITextBorderStyleRoundedRect;

//给textField设置tag
name.tag = 100;
//清除按钮
name.clearButtonMode = UITextFieldViewModeWhileEditing;
name.backgroundColor = [UIColor clearColor];
[self.window addSubview:name];
[name release];

//UIButton

UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];
button.frame = CGRectMake(30, 140, 280, 30);

[button setTitle:@"千万别点击我" forState:UIControlStateNormal];

//点击的时候设置button的高亮
button.showsTouchWhenHighlighted = YES;

//给按钮绑定一个方法,点击的时候 让某个特定的对象调用这个方法
//参数1:执行方法的对象
//参数2:要执行的方法(参数1的对象去执行)
//参数3:按钮让绑定的对象调用方法,需要触发的事件
[button addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];

button.backgroundColor = [UIColor blueColor];
[self.window addSubview:button];
[_window release];
return YES;
}
//给按钮点击设定方法
- (void)buttonClicked:(UIButton *)button
{
self.window.backgroundColor = [UIColor clearColor];

NSLog(@"被点击了");
//让键盘回收
//1.找到弹出键盘的textField(通过设置tag)
UITextField *textField = (UITextField *)[self.window viewWithTag:100];

//2.回收键盘
[textField resignFirstResponder];

UILabel *label = (UILabel *)[self.window viewWithTag:10];
label.text = @"我滴天";

//UIAlertView的使用

UIAlertView *alertview = [[UIAlertView alloc]initWithTitle:@"提示" message:@"我不是告诉你不要点击了么,我就问你后悔不后悔?" delegate:self cancelButtonTitle:@"我只是手抖." otherButtonTitles:@"就要点",@"就要点",@"就要点",@"就要点",@"就要点",@"就要点"@"吓尿了", nil];
[alertview show];
[alertview release];
}
- (void)dealloc
{
[_window release];
[super dealloc];
}