一、效果图。
二、工程图。
三、代码。
rootviewcontroller.h
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#import <uikit/uikit.h>
//添加hpgrowingtextview头文件
#import "hpgrowingtextview.h"
@interface rootviewcontroller : uiviewcontroller
<hpgrowingtextviewdelegate>
{
hpgrowingtextview *textview;
}
@end
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rootviewcontroller.m
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- (void)viewdidload
{
[super viewdidload];
// do any additional setup after loading the view.
textview = [[hpgrowingtextview alloc] initwithframe:cgrectmake(10, 100, 240, 40)];
textview.isscrollable = no;
textview.contentinset = uiedgeinsetsmake(0, 5, 0, 5);
textview.minnumberoflines = 1;
textview.maxnumberoflines = 6;
// you can also set the maximum height in points with maxheight
// textview.maxheight = 200.0f;
textview.returnkeytype = uireturnkeygo; //just as an example
textview.font = [uifont systemfontofsize:15.0f];
textview.delegate = self;
textview.internaltextview.scrollindicatorinsets = uiedgeinsetsmake(5, 0, 5, 0);
textview.backgroundcolor = [uicolor greencolor];
textview.placeholder = @"type to see the textview grow!";
[self.view addsubview:textview];
}
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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。