我正在为 iPhone 消息应用程序的 UITextView 工作。我在 UITextView 上添加了一个 UIImage 作为子视图。我想调整 UIImage 框架大小,如 UITextView 框架高度。现在我已经为此进行了编码,但是当文本进入下一行时,图像帧高度没有增加。在我们输入更多字符后,图像帧大小会增加。
messageTextView = [[UITextView alloc] initWithFrame:CGRectMake(35, 5, 210, 30)];
messageTextView.delegate = self;
messageTextView.backgroundColor = [UIColor clearColor];
messageTextView.clipsToBounds = NO;
messageTextView.font = [UIFont fontWithName:@"Helvetica" size:14];
textViewImageView = [[UIImageView alloc]initWithFrame: CGRectMake(0, 0, 210, 30)];
textViewImageView.image = [UIImage imageNamed: @"textbg.png"];
textViewImageView.contentMode = UIViewContentModeScaleToFill;
textViewImageView.contentStretch = CGRectMake(0.5, 0.5, 0, 0);
[messageTextView addSubview: textViewImageView];
[messageTextView sendSubviewToBack: textViewImageView];
[messageTextView addSubview:textViewLabel];
[self.view addSubview:messageTextView];
-(BOOL) textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
{
CGRect frame = messageTextView.frame;
frame.size.height = messageTextView.contentSize.height;
messageTextView.frame = CGRectMake(35, 5, 210, frame.size.height);
textViewImageView.frame = CGRectMake(0, 0, 210, frame.size.height);
}
当文本进入下一行时,您能否请任何人帮助解决增加 UIImageview 高度的问题?提前致谢。