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一、效果图。
二、工程图。
三、代码。
rootviewcontroller.h
#import <uikit/uikit.h> //添加hpgrowingtextview头文件 #import "hpgrowingtextview.h" @interface rootviewcontroller : uiviewcontroller <hpgrowingtextviewdelegate> { hpgrowingtextview *textview; } @end
rootviewcontroller.m
- (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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