#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]; }