气泡聊天

- (UIView *)bubbleView:(NSString *)text from:(BOOL)fromSelf {
    UIView *returnView = [[UIView alloc] initWithFrame:CGRectZero];
    returnView.backgroundColor = [UIColor clearColor];

    UIImage *bubble = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:fromSelf ? @"bubbleSelf" : @"bubble" ofType:@"png"]];
    UIImageView *bubbleImageView = [[UIImageView alloc] initWithImage:[bubble stretchableImageWithLeftCapWidth:21 topCapHeight:14]];

    UIFont *font = [UIFont systemFontOfSize:12];
    CGSize size = [text sizeWithFont:font constrainedToSize:CGSizeMake(150.0f, 1000.0f) lineBreakMode:UILineBreakModeCharacterWrap];

    UILabel *bubbleText = [[UILabel alloc] initWithFrame:CGRectMake(21.0f, 14.0f, size.width + 10, size.height + 10)];
    bubbleText.backgroundColor = [UIColor clearColor];
    bubbleText.font = font;
    bubbleText.numberOfLines = 0;
    bubbleText.lineBreakMode = UILineBreakModeCharacterWrap;
    bubbleText.text = text;

    bubbleImageView.frame = CGRectMake(0.0f, 0.0f, 200.0f, size.height + 40.0f);
    if(fromSelf)
        returnView.frame = CGRectMake(120.0f, 10.0f, 200.0f, size.height + 50.0f);
    else
        returnView.frame = CGRectMake(0.0f, 10.0f, 200.0f, size.height + 50.0f);

    [returnView addSubview:bubbleImageView];
    [bubbleImageView release];
    [returnView addSubview:bubbleText];
    [bubbleText release];

    return [returnView autorelease];
}

- (UIView *)bubbleView:(NSString *)text from:(BOOL)fromSelf {
       UIView *returnView = [[UIView alloc] initWithFrame:CGRectZero];
       returnView.backgroundColor = [UIColor clearColor];

       UIImage *bubble = [UIImage imageWithContentsOfFile:[[NSBundle mainBundle] pathForResource:fromSelf ? @"bubbleSelf" : @"bubble" ofType:@"png"]];
       UIImageView *bubbleImageView = [[UIImageView alloc] initWithImage:[bubble stretchableImageWithLeftCapWidth:21 topCapHeight:14]];

       UIFont *font = [UIFont systemFontOfSize:12];
       CGSize size = [text sizeWithFont:font constrainedToSize:CGSizeMake(150.0f, 1000.0f) lineBreakMode:UILineBreakModeCharacterWrap];

       UILabel *bubbleText = [[UILabel alloc] initWithFrame:CGRectMake(21.0f, 14.0f, size.width + 10, size.height + 10)];
       bubbleText.backgroundColor = [UIColor clearColor];
       bubbleText.font = font;
       bubbleText.numberOfLines = 0;
       bubbleText.lineBreakMode = UILineBreakModeCharacterWrap;
       bubbleText.text = text;

       bubbleImageView.frame = CGRectMake(0.0f, 0.0f, 200.0f, size.height + 40.0f);
       if(fromSelf)
              returnView.frame = CGRectMake(120.0f, 10.0f, 200.0f, size.height + 50.0f);
       else
              returnView.frame = CGRectMake(0.0f, 10.0f, 200.0f, size.height + 50.0f);

       [returnView addSubview:bubbleImageView];
       [bubbleImageView release];
       [returnView addSubview:bubbleText];
       [bubbleText release];

       return [returnView autorelease];
}

效果图：

/2012/0201/20120201064215166.rar

摘自 jsntghf

补充：移动开发 , IOS ,