iOS Label随字自动变大效果

#import <UIKit/UIKit.h>//添加HPGrowingTextView头文件#import "HPGrowingTextView.h"@interface RootViewController : UIViewController<HPGrowingTextViewDelegate>{ HPGrowingTextView *textView;}@end

- (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];    }