实现点击屏幕键盘自动隐藏和输入密码加密功能
#import "ViewController.h"
@interface ViewController ()< UITexFiledDelagate >
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
UITextField * tf = [[UITextField alloc]initWithFrame:CGRectMake(100, 150, 230, 45)];
tf.borderStyle = UITextBorderStyleRoundedRect;// 设置文本框边框
tf.clearsOnBeginEditing = YES;// 在开始编辑的时候清除上次余留的文本
tf.tag = 101;
tf.adjustsFontSizeToFitWidth = YES;
// tf.borderStyle = UITextBorderStyleBezel;
// tf.backgroundColor = [UIColor redColor];
tf.placeholder = @"Please in put your name"; // 提示输入信息
// tf.background = [UIImage imageNamed:<#(NSString *)#>];// 添加背景图片
[self.view addSubview:tf];
BOOL isEditing = tf.isEditing;// 只读，是否科协
tf.clearButtonMode = UITextFieldViewModeWhileEditing;// 右侧清除按钮
// tf.leftView = [];
UIView * view = [[UIView alloc]initWithFrame:CGRectMake(100, 100, 100, 100)];
view.backgroundColor = [UIColor redColor];
// tf.inputView = view ;// 可以自定义键盘
// tf.inputAccessoryView = view;// 键盘附加视图，可以加表情的子视图 重点
tf.secureTextEntry = YES;// 密码模式,加密
tf.keyboardType = UIKeyboardTypeDefault;//设置键盘类型
tf.returnKeyType = UIReturnKeyDone;// return键名替换
// 代理delegate
tf.delegate = self;// 设置代理调用代理方法，只要设置好代理，系统就会自动调用代理方法
// 增加事件
[tf addTarget:self action:@selector(tfAction) forControlEvents:UIControlEventEditingDidEndOnExit];//点击return触发
// UIControlEventEditingDidEnd 结束第一响应者时执行
// UIControlEventEditingDidEndOnExit 点击return触发
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#pragma mark - 设置键盘消失
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{//点击屏幕触发
UITextField * tf =(UITextField *) [self.view viewWithTag:101];
[tf resignFirstResponder];// 放弃第一响应者，
}
#pragma mark - UITexFiledDelagate 文本框代理
- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField{
return YES;// NO：点击文本框键盘不出来，Yes出来
}
- (void)textFieldDidBeginEditing:(UITextField *)textField{
NSLog(@"编辑开始");// 结束编辑后执行
}
- (BOOL)textFieldShouldEndEditing:(UITextField *)textField{
return YES; // 当返回NO，第一响应者响应失败，YES可以响应
}
- (void)textFieldDidEndEditing:(UITextField *)textField{
NSLog(@"编辑结束");
}
- (BOOL)textFieldShouldReturn:(UITextField *)textField{
return YES; //
}
//- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField; // return NO to disallow editing.
//- (void)textFieldDidBeginEditing:(UITextField *)textField; // became first responder
//- (BOOL)textFieldShouldEndEditing:(UITextField *)textField; // return YES to allow editing to stop and to resign first responder status. NO to disallow the editing session to end
//- (void)textFieldDidEndEditing:(UITextField *)textField; // may be called if forced even if shouldEndEditing returns NO (e.g. view removed from window) or endEditing:YES called
#pragma mark - TextField增加事件
- (void)tfAction{
NSLog(@"文本框点击事件");
}
@end
