一、效果圖
成都創(chuàng)新互聯(lián)是一家朝氣蓬勃的網(wǎng)站建設(shè)公司。公司專注于為企業(yè)提供信息化建設(shè)解決方案。從事網(wǎng)站開發(fā)，網(wǎng)站制作，網(wǎng)站設(shè)計(jì)，網(wǎng)站模板，微信公眾號(hào)開發(fā)，軟件開發(fā)，小程序開發(fā)，10年建站對(duì)成都混凝土泵車等多個(gè)方面，擁有多年的網(wǎng)站推廣經(jīng)驗(yàn)。
二、代碼
ViewController.h
#import@interface ViewController : UIViewController @end
ViewController.m
重慶分公司
重慶分公司
#import "ViewController.h"
#define W [UIScreen mainScreen].bounds.size.width
#define H [UIScreen mainScreen].bounds.size.height
@interface ViewController ()
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
UITextField *field=[[UITextField alloc]initWithFrame:CGRectMake(100, 300, 50, 50)];
field.backgroundColor=[UIColor redColor];
field.delegate=self;
[self.view addSubview:field];
}
#pragma -mark -UITextFieldDelegate
-(BOOL)textFieldShouldReturn:(UITextField *)textField
{
[textField resignFirstResponder];
//self.view 恢復(fù)原位
NSTimeInterval animationDuration=0.10f;
[UIView beginAnimations:@"ResizeForKeyboard" context:nil];
[UIView setAnimationDuration:animationDuration];
float width = W;
float height = H;
float Y = 0.0f;
CGRect rect=CGRectMake(0.0f,Y,width,height);
self.view.frame=rect;
[UIView commitAnimations];
return YES;
}
-(BOOL)textFieldShouldBeginEditing:(UITextField *)textField
{
NSTimeInterval animationDuration=0.30f;
[UIView beginAnimations:@"ResizeForKeyboard" context:nil];
[UIView setAnimationDuration:animationDuration];
float width = W;
float height = H;
//上移100個(gè)單位，按實(shí)際情況設(shè)置
CGRect rect=CGRectMake(0.0f,-100,width,height);
self.view.frame=rect;
[UIView commitAnimations];
return YES;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end
以上就是本文的全部?jī)?nèi)容，希望對(duì)大家的學(xué)習(xí)有所幫助，也希望大家多多支持創(chuàng)新互聯(lián)。
