iPad开发--QQ空间布局,登录模块

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一.登录模块

• 登录逻辑

   1 - (IBAction)loginClick:(UIButton *)sender {
   2     
   3     self.view.userInteractionEnabled = NO;
   4     
   5     [self.view endEditing:YES];
   6     
   7     [self.activeView startAnimating];
   8     
   9     if (self.accountField.text.length == 0 || self.pwdField.text.length == 0) {
  10         
  11         [self showError:@"帐号和密码不能为空"];
  12     }
  13     if ([self.accountField.text isEqualToString:@"123"] && [self.pwdField.text isEqualToString:@"123"]) {
  14         
  15         // 帐号密码正确 跳转控制器
  16         ChaosMainViewController *mainVC = [[ChaosMainViewController alloc] init];
  17         mainVC.view.backgroundColor = [UIColor colorWithRed:55 / 255.0 green:55 / 255.0 blue:55 / 255.0 alpha:1.0];
  18         [self presentViewController:mainVC animated:YES completion:nil];
  19         
  20     } else {
  21         
  22         [self showError:@"帐号或密码错误"];
  23     }
  24     
  25 }

   

• 登录不成功后的动画效果

   1 - (void)showError:(NSString *)error
   2 {
   3     dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
   4         
   5         UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"登录错误" message:error preferredStyle:UIAlertControllerStyleAlert];
   6         [alert addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
   7             
   8         }]];
   9         
  10         [self presentViewController:alert animated:YES completion:nil];
  11         
  12         CAKeyframeAnimation *shakeAnim = [CAKeyframeAnimation animationWithKeyPath:@"transform.translation.x"];
  13         shakeAnim.values = @[@-10,@0,@10,@0];
  14         shakeAnim.repeatCount = 9;
  15         shakeAnim.repeatDuration = 0.3;
  16         // 动画
  17         [self.animView.layer addAnimation:shakeAnim forKey:nil];
  18         
  19         [self.activeView stopAnimating];
  20         
  21         self.view.userInteractionEnabled = YES;
  22     });
  23     
  24 }

   

• 记住密码和自动登录逻辑　　                                                                                                

iPad开发--QQ空间布局,登录模块

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原文地址：http://www.cnblogs.com/gchlcc/p/5562963.html