- iOS_28仿QQ空间登录与退出
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最终效果图如下:
注意事项:<喎�"http://www.2cto.com/kf/ware/vc/" target="_blank" class="keylink">vc3Ryb25nPjwvcD4KPHA+PHN0cm9uZz7K5Mjrv/K1xHJldHVybiBLZXk8L3N0cm9uZz48L3A+CjxwPjxzdHJvbmc+TWFpbi5zdG9yeWJvYXJk1tDOqiBMb2dpbkNvbnRyb2xsZXIgyejWw9K7uPZzdG9yeWJvYXJkSUQsPC9zdHJvbmc+PC9wPgo8cD48c3Ryb25nPtLUseO/ydLU1Nq0+sLr1tDNqLn9U3Rvcnlib2FyZLbUz/PKtcD9LLS0vahNYWluLnN0b3J5Ym9hcmTA78PmtcS/2NbGxvc8L3N0cm9uZz48L3A+CjxwPjxzdHJvbmc+PGJyPgo8L3N0cm9uZz48L3A+CjxwPjxzdHJvbmc+PGJyPgo8L3N0cm9uZz48L3A+CjxwPjxpbWcgc3JjPQ=="http://www.2cto.com/uploadfile/Collfiles/20140902/20140902085743107.png"
alt="\">仿QQ窗口抖动
dispach_after模拟延时
输入框的return Key的不同处理方式
Login控制器代码
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//// LoginController.m// 28_QQ空间//// Created by beyond on 14-9-1.// Copyright (c) 2014年 com.beyond. All rights reserved.// Main.storyboard中初始化时的控制器,登录控制器 验证成功后,跳转至主控制器#import
"LoginController.h"// 验证成功后,跳转至主控制器#import
"BeyondViewController.h"@interface
LoginController () <uitextfielddelegate>#pragma mark - 拖线 属性// 登录框整体@property
(weak, nonatomic) IBOutlet UIView *loginContentView;// 帐号@property
(weak, nonatomic) IBOutlet UITextField *usernameField;// 密码@property
(weak, nonatomic) IBOutlet UITextField *passwordField;// 登录按钮@property
(weak, nonatomic) IBOutlet UIButton *loginBtn;// 记住密码btn@property
(weak, nonatomic) IBOutlet UIButton *rememberPwdBtn;// 自动登录btn@property
(weak, nonatomic) IBOutlet UIButton *autoLoginBtn;// 加载中...@property
(weak, nonatomic) IBOutlet UIActivityIndicatorView *activityIndicator;#pragma mark - 拖线 方法// 登录按钮被点击- (IBAction)loginBtnClicked;// 点击了记住密码 或 自动登录- (IBAction)checkboxBtnClicked:(UIButton *)sender;@end@implementation
LoginController- (void)viewDidLoad{[super
viewDidLoad];// 1.设置登陆控制器 的背景色 为全局深黑色self.view.backgroundColor = kGlobalBgColor;// 2.设置登录按钮不同状态下的背景[self.loginBtn setBtnBgImgForNormal:@"login_button_normal"
highlightedName:@"login_button_pressed"];}// 点击屏幕空白处,退出键盘- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event{[self.view endEditing:YES];}#pragma mark - 拖线方法// 点击了记住密码 或 自动登录- (IBAction)checkboxBtnClicked:(UIButton *)sender{// 设置勾选 或 取消勾选sender.selected = ! sender.isSelected;// 重要~~~if
(sender == self.rememberPwdBtn && !sender.isSelected) {// 取消了“记住密码”,这时候 就可以同时取消 自动登录了,因为用户不想记住密码,自然就无法实现 自动登录功能self.autoLoginBtn.selected = NO;}
elseif
(sender == self.autoLoginBtn && sender.isSelected) {// 当用户 选中了“自动登录”,那么表示他想自动登录,那么可以同时把记住密码勾选上self.rememberPwdBtn.selected = YES;}}// 点击登录按钮- (IBAction)loginBtnClicked{// 1.验证帐号NSString *account = self.usernameField.text;if
(account.length ==0) {[self showError:@"请输入帐号"];return;}// 2.验证密码NSString *password = self.passwordField.text;if
(password.length ==0) {[self showError:@"请输入密码"];return;}// 3.发送请求self.view.userInteractionEnabled = NO;[self.activityIndicator startAnimating];// 模拟延时CGFloat delay =
2.0;dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delay * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{// 4.登录完毕（请求完毕）[self.activityIndicator stopAnimating];self.view.userInteractionEnabled = YES;// 5.账号密码同时为123才是正确if
(![account isEqualToString:@"123"]) {[self showError:@"帐号或密码错误"];return;}if
(![password isEqualToString:@"123"]) {[self showError:@"帐号或密码错误"];return;}// 6.登录成功 跳转到主页self.view.window.rootViewController = [[BeyondViewController alloc] init];});}#pragma mark - 自定义方法// 提示错误信息- (void)showError:(NSString *)errorMsg{// 1.弹框提醒UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"登录失败"
message:errorMsg delegate:nil cancelButtonTitle:@"确定"
otherButtonTitles:nil, nil];[alert show];// 2.仿QQ窗口抖动// 核心动画之 关键帧动画CAKeyframeAnimation *shakeAnim = [CAKeyframeAnimation animation];// 哪一个成员属性 需要动画,答:xshakeAnim.keyPath = @"transform.translation.x";shakeAnim.duration =
0.15;CGFloat delta =
10;// 数组,指定每一帧时的x值shakeAnim.values = @[@0, @(-delta), @(delta),
@0];shakeAnim.repeatCount =
2;// 让view所在的图层执行 关键帧动画[self.loginContentView.layer addAnimation:shakeAnim forKey:nil];}#pragma mark - UITextField代理方法// 控制器 键盘上returnKey在不同输入框下的作用,如Next 或 Done- (BOOL)textFieldShouldReturn:(UITextField *)textField{if
(textField == self.usernameField) {// 帐号输入框（Next）[self.passwordField becomeFirstResponder];}
else{// 密码框（Done）,调用自定义方法,执行登录[self loginBtnClicked];}return
YES;}@end</uitextfielddelegate>退出,并且回到Main.storyboard里面的初始的登录控制器
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