iOS开发 - UITextView输入时高度自适应

2019独角兽企业重金招聘Python工程师标准>>>

// 设置边距 依次为：上，左，下， 右
textView.textContainerInset = UIEdgeInsetsMake(20,20, 20, 20);

-(void)textViewDidChange:(UITextView *)textView 
{
    //获得textView的初始尺寸 将scrollEnable设置为NO。
    CGFloat width = CGRectGetWidth(textView.frame);
    CGFloat height = CGRectGetHeight(textView.frame);
    CGSize newSize = [textView sizeThatFits:CGSizeMake(width,MAXFLOAT)];
    CGRect newFrame = textView.frame;
    newFrame.size = CGSizeMake(fmax(width, newSize.width), fmax(height, newSize.height));
    textView.frame= newFrame;
}

转载于:https://my.oschina.net/gwlCode/blog/1577062