一、效果图
二、代码
viewcontroller.h
?| 1 2 3 4 5 6 |
#import <uikit/uikit.h>
@interface viewcontroller : uiviewcontroller
<uitextfielddelegate>
@end
|
viewcontroller.m
?| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 |
#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 恢复原位
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个单位，按实际情况设置
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内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
如果您对该产品感兴趣，请填写办理（客服微信：xiaoxiongyidong）
发表评论
◎欢迎参与讨论，请在这里发表您的看法、交流您的观点。