//
// AppDelegate.m
// UI-lesson2-zonghe
//
// Created by lanou3g on 15/10/23.
// Copyright (c) 2015年 Object. All rights reserved.
//
#import "AppDelegate.h"
#define k_margin 20
#define k_width 100
#define k_height 45
// 定义枚举值--用来区分用户名和密码输入框
typedef enum : NSUInteger {
userNameTag = 101,
userPwdTag ,
} TagType;
@interface AppDelegate ()<UITextFieldDelegate>
@property(nonatomic,strong)UIView *loginView; // 登录
@property(nonatomic,strong)UIView *registerView; // 注册
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
NSLog(@"程序启用的时候会调用%s",__func__);
self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
self.window.backgroundColor = [UIColor whiteColor];
[self.window makeKeyAndVisible];
//注册页面
self.registerView = [[UIView alloc]initWithFrame:[UIScreen mainScreen].bounds];
self.registerView.backgroundColor = [UIColor orangeColor];
[self.window addSubview:self.registerView];
//登录页面
self.loginView = [[UIView alloc]initWithFrame:[UIScreen mainScreen].bounds];
self.registerView.backgroundColor = [UIColor orangeColor];
[self.window addSubview:self.loginView];
//调用布局登录页面的方法
[self setUpLoginViewSubView];
//调用布局注册页面的方法
[self setUpRegisterViewSubView];
return YES;
}
#pragma mark 布局登录页面的方法
-(void)setUpLoginViewSubView{
UILabel *userNameLabel = [[UILabel alloc]initWithFrame:CGRectMake(k_margin, k_height, k_width, k_height)];
userNameLabel.text = @"用户名:";
[self.loginView addSubview:userNameLabel];
UITextField *userNameTF = [[UITextField alloc]initWithFrame:CGRectMake(CGRectGetMaxX(userNameLabel.frame), CGRectGetMinY(userNameLabel.frame), k_width * 2, k_height)];
userNameTF.placeholder = @"请输入用户名";
userNameTF.borderStyle = UITextBorderStyleRoundedRect;
[self.loginView addSubview:userNameTF];
// 把 return 键设置为 next
userNameTF.returnKeyType = UIReturnKeyNext;
//设置代理
userNameTF.delegate = self;
//设置 userNameTF 的 tag值
userNameTF.tag = userPwdTag;
UILabel *userPwdLabel = [[UILabel alloc]initWithFrame:CGRectMake(CGRectGetMinX(userNameLabel.frame), CGRectGetMaxY(userNameLabel.frame) + k_margin, k_width, k_height)];
userPwdLabel.text = @"密 码:";
[self.loginView addSubview:userPwdLabel];
UITextField *userPwdTF = [[UITextField alloc]initWithFrame:CGRectMake(CGRectGetMinX(userNameTF.frame), CGRectGetMinY(userPwdLabel.frame), CGRectGetWidth(userNameTF.frame), k_height)];
userPwdTF.placeholder = @"请输入密码";
userPwdTF.borderStyle = UITextBorderStyleRoundedRect;
userPwdTF.secureTextEntry = YES;
[self.loginView addSubview:userPwdTF];
//设置 AppDelegate 作为代理
userPwdTF.delegate = self;
userPwdTF.tag = userPwdTag;
//登录按钮
UIButton *loginButton = [UIButton buttonWithType:UIButtonTypeCustom];
loginButton.frame = CGRectMake(CGRectGetMinX(userPwdLabel.frame) + k_margin, CGRectGetMaxY(userPwdLabel.frame) + k_margin, k_width, k_height);
//如果 图片 格式 是png，可以省略后缀，其他的都不可以省略
// UIImage *loginImage = [UIImage imageNamed:@"5.jpg"];
// 给 loginButton 设置背景图片
// [loginButton setBackgroundImage:loginImage forState:UIControlStateNormal];
//设置前景图片
// [loginButton setImage:loginImage forState:UIControlStateNormal];
// button 虽然可以设置图片，但是 button 的主要作用不在于显示图片，有专门显示图片的控件---UIImageView
// button 写 “登录”两字
[loginButton setTitle:@"login" forState:UIControlStateNormal];
[self.loginView addSubview:loginButton];
//绑定点击事件
[loginButton addTarget:self action:@selector(loginButtonDidClicked:) forControlEvents:UIControlEventTouchUpInside];
UIButton *registerButton = [UIButton buttonWithType:UIButtonTypeCustom];
registerButton.frame = CGRectMake(CGRectGetMaxX(loginButton.frame) + k_margin, CGRectGetMinY(loginButton.frame), k_width, k_height);
[registerButton setTitle:@"register" forState:UIControlStateNormal];
[self.loginView addSubview:registerButton];
// 给 registerButton 绑定点击事件
[registerButton addTarget:self action:@selector(registerButtonDicClicked:) forControlEvents:UIControlEventTouchUpInside];
}
#pragma mark UITextField 里面的代理方法
// 此方法主要用来回收键盘
-(BOOL)textFieldShouldReturn:(UITextField *)textField{
//撤销第一响应者
[textField resignFirstResponder];
//1.根据 tag 值拿出对应的 textField
UITextField *nameTF = (UITextField *)[self.loginView viewWithTag:userNameTag];
UITextField *pwdTF = (UITextField *)[self.loginView viewWithTag:userPwdTag];
//2.根据 tag 值判断，分别做不同的事
if (textField.tag == userNameTag) {
//撤销用户名输入框的第一响应者身份
[nameTF resignFirstResponder];
//让密码输入框变成第一响应者
[pwdTF becomeFirstResponder];
} else {
[textField resignFirstResponder];
}
return YES;
}
#pragma mark 登录按钮的点击事件
-(void)loginButtonDidClicked:(UIButton *)sender{
NSLog(@"%s",__func__);
}
#pragma mark 注册按钮的点击事件
-(void)registerButtonDicClicked:(UIButton *)sender{
//第一种方式：
// [self.window bringSubviewToFront:self.registerView];
// 第二种
self.loginView.hidden = YES;
self.registerView.hidden = NO;
}
#pragma mark 布局注册页面的方法
-(void)setUpRegisterViewSubView{
UIButton *backButton = [UIButton buttonWithType:UIButtonTypeCustom];
backButton.frame = CGRectMake(20, 30, 100, 40);
[backButton setTitle:@"back" forState:UIControlStateNormal];
[self.registerView addSubview:backButton];
//绑定事件
[backButton addTarget:self action:@selector(backButtonDidClicked:) forControlEvents:UIControlEventTouchUpInside];
}
#pragma mark 注册页面返回按钮的点击事件
-(void)backButtonDidClicked:(UIButton *)sender{
//把登录页面调整到最前面
// [self.window bringSubviewToFront:self.loginView];
self.loginView.hidden = NO;
self.registerView.hidden = YES;
}
#pragma mark app将要取消活跃状态（将要进入后台）
- (void)applicationWillResignActive:(UIApplication *)application {
NSLog(@"app将要取消活跃状态%s",__func__);
}
#pragma mark app已经进入后台
- (void)applicationDidEnterBackground:(UIApplication *)application {
NSLog(@"app已经进入后台%s",__func__);
}
#pragma mark app即将进入活跃状态（前台）
- (void)applicationWillEnterForeground:(UIApplication *)application {
NSLog(@" app即将进入活跃状态（前台）%s",__func__);
}
#pragma mark app已经进入活跃状态
- (void)applicationDidBecomeActive:(UIApplication *)application {
NSLog(@"app已经进入活跃状态%s",__func__);
}
#pragma mark app程序即将退出
- (void)applicationWillTerminate:(UIApplication *)application {
NSLog(@"app程序即将退出%s",__func__);
}
@end
