一、效果图
二、代码
viewcontroller.h
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#import <uikit/uikit.h>@interface viewcontroller : uiviewcontroller<uitextfielddelegate>@end |
viewcontroller.m
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#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。
