//
// AppDelegate.m
//
//
// Created by dllo on 15/7/30.
// Copyright (c) 2015年 zhozhicheng. All rights reserved.
//
#import "AppDelegate.h"
@interface AppDelegate ()
@property(nonatomic,retain)UITextField *textfield;
@property(nonatomic,assign)BOOL isSelected;
@property(nonatomic,retain)UILabel *label1;
@end
@implementation AppDelegate
-(void)dealloc
{
[_window release];
[_textfield release];
[_label1 release];
[super dealloc];
}
- (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];
[_window release];
//新建一个测试按钮
UIButton *button=[UIButton buttonWithType:UIButtonTypeSystem];
button.frame=CGRectMake(100, 300, 100, 30);
button.layer.borderWidth=1;
button.layer.cornerRadius=10;
[button setTitle:@"测试" forState:UIControlStateNormal];
[self.window addSubview:button];
//设置点击方法
[button addTarget:self action:@selector(click:) forControlEvents:UIControlEventTouchUpInside];
//设置文本框
self.textfield=[[UITextField alloc] initWithFrame:CGRectMake(80, 150, 150, 30)];
self.textfield.layer.borderWidth=1;
self.textfield.layer.cornerRadius=5;
[self.window addSubview:self.textfield];
//
self.textfield.tag=1000;
[_textfield release];
//设置输入之后是圆点
self.textfield.secureTextEntry=YES;
//给textfield添加addTarget-action方法
[self.textfield addTarget:self action:@selector(changeValue:) forControlEvents:UIControlEventEditingChanged];
//创建label1
self.label1=[[UILabel alloc] initWithFrame:CGRectMake(100, 400, 150, 40)];
self.label1.backgroundColor=[UIColor cyanColor];
[self.window addSubview:self.label1];
[_label1 release];
MyButton *muButton=[MyButton buttonWithType:UIButtonTypeSystem];
muButton.frame=CGRectMake(100, 350, 100, 30);
muButton.buttonName=@"送信";
[self.window addSubview:muButton];
[muButton setTitle:@"MyButton" forState:UIControlStateNormal];
//创建一个按钮,用来textfield切换状态
UIButton *changePicButton=[UIButton buttonWithType:UIButtonTypeCustom];
changePicButton.frame=CGRectMake(150,200, 30, 30);
[changePicButton setImage:[UIImage imageNamed:@"check.png" ] forState:UIControlStateNormal];
[self.window addSubview:changePicButton];
[changePicButton addTarget:self action:@selector(changeImage:) forControlEvents:UIControlEventTouchUpInside];
//文字"显示内容"
UILabel *label=[[UILabel alloc] initWithFrame:CGRectMake(180, 200, 150, 30)];
label.text=@"显示内容";
[self.window addSubview:label];
[label release];
//清除按钮
self.textfield.clearButtonMode=UITextFieldViewModeAlways;
return YES;
}
-(void)changeImage:(UIButton *)changePicButton{
if (self.isSelected) {
//切换点击之后的两种图片状态
[changePicButton setBackgroundImage:[UIImage imageNamed:@"check.png"] forState:UIControlStateNormal];
}else{
[changePicButton setBackgroundImage:[UIImage imageNamed:@"checked.png"] forState:UIControlStateNormal];
}self.isSelected =!self.isSelected;
//内容显示,不显示两种状态
self.textfield.secureTextEntry=!self.textfield.secureTextEntry;
}
-(void)changeValue:(UITextField*)textfield
{
if (textfield.text.length >= 5) {
self.label1.text=@"密码长度可以";
}else{
self.label1.text=@"密码长度过短";
}
NSLog(@"%@",textfield.text);
}
-(void)click:(UIButton *)button
{
// //先找到textfield,然后再找对应的内容
// UITextField *textField=(UITextField *)[self.window viewWithTag:1000];
// NSLog(@"%@",textField.text);
NSLog(@"%@",self.textfield.text);
}
- (void)applicationWillResignActive:(UIApplication *)application {
// Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
// Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
}
- (void)applicationDidEnterBackground:(UIApplication *)application {
// Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
// If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
}
- (void)applicationWillEnterForeground:(UIApplication *)application {
// Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
}
- (void)applicationDidBecomeActive:(UIApplication *)application {
// Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
}
- (void)applicationWillTerminate:(UIApplication *)application {
// Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
}
@end
版权声明：本文为博主原创文章，未经博主允许不得转载。
原文地址：http://blog.csdn.net/cheng_xiansheng/article/details/47164721
