Three20中TTTabbar和TTabStrip利用 （連載）入門

-(void)viewDidLoad {     [super viewDidLoad];       TTTabItem *item = [[[TTTabItem alloc]initWithTitle:@"123"]autorelease];     TTTabItem *item1 = [[[TTTabItem alloc]initWithTitle:@"456"]autorelease];     TTTabItem *item2 = [[[TTTabItem alloc]initWithTitle:@"789"]autorelease];     TTTabItem *item3 = [[[TTTabItem alloc]initWithTitle:@"000"]autorelease];      TTTabBar *tabbar = [[TTTabBar alloc]init];     NSArray *array = [[NSArray alloc]initWithObjects:item,item1,item2,item3,nil];     [tabbar setTabItems:array];        tabbar.frame = CGRectMake(0, 0,320, 50);     [self.view addSubview:tabbar];     [tabbar release];      TTTabStrip *tabStrip = [[TTTabStrip alloc]init];     [tabStrip setTabItems:array];     tabStrip.frame = CGRectMake(0, 55, 320, 50);     [self.view addSubview:tabStrip];     [tabStrip release];  } 修改欄目滑動條的底色.../three20/src/Three20Style/Sources/TTDefaultStyleSheet.m- (TTStyle*)tabStrip {  UIColor* border = [TTSTYLEVAR(tabTintColor) multiplyHue:0 saturation:0 value:0.4];  return    [TTReflectiveFillStyle styleWithColor:TTSTYLEVAR(tabTintColor) next: //styleWithColor:RGBCOLOR( , , ) next:    [TTFourBorderStyle styleWithTop:nil right:nil bottom:border left:nil width:1 next:nil]];}修改欄目滑動條被選中標籤的樣式.../three20/src/Three20Style/Sources/TTDefaultStyleSheet.m- (TTStyle*)tabRound:(UIControlState)state {  if (state == UIControlStateSelected) {    return      [TTShapeStyle styleWithShape:[TTRoundedRectangleShape shapeWithRadius:TT_ROUNDED] next:      [TTInsetStyle styleWithInset:UIEdgeInsetsMake(9, 1, 8, 1) next:      [TTShadowStyle styleWithColor:RGBACOLOR(255,255,255,0.8) blur:0 offset:CGSizeMake(0, 1) next:      [TTReflectiveFillStyle styleWithColor:TTSTYLEVAR(tabBarTintColor) next: //styleWithColor:RGBCOLOR( , , ) next:      [TTInnerShadowStyle styleWithColor:RGBACOLOR(0,0,0,0.3) blur:1 offset:CGSizeMake(1, 1) next:      [TTInsetStyle styleWithInset:UIEdgeInsetsMake(-1, -1, -1, -1) next:      [TTBoxStyle styleWithPadding:UIEdgeInsetsMake(0, 10, 0, 10) next:      [TTTextStyle styleWithFont:[UIFont boldSystemFontOfSize:13]  color:[UIColor whiteColor]                   minimumFontSize:8 shadowColor:[UIColor colorWithWhite:0 alpha:0.5]                   shadowOffset:CGSizeMake(0, -1) next:nil]]]]]]]];  } else {    return      [TTBoxStyle styleWithPadding:UIEdgeInsetsMake(0, 10, 0, 10) next:      [TTTextStyle styleWithFont:[UIFont boldSystemFontOfSize:13]  color:self.linkTextColor                   minimumFontSize:8 shadowColor:[UIColor colorWithWhite:1 alpha:0.9]                   shadowOffset:CGSizeMake(0, -1) next:nil]];  }} 修改欄目滑動條兩側的樣式，以便與滑動條底色統一.../three20/src/Three20Style/Sources/TTDefaultStyleSheet.m- (TTStyle*)tabOverflowLeft { UIImage* image = TTIMAGE(@"bundle://Three20.bundle/images/ overflowLeft.png"); TTImageStyle *style = [TTImageStyle styleWithImage:image next:nil]; style.contentMode = UIViewContentModeCenter; return style; }- (TTStyle*)tabOverflowRight { UIImage* image = TTIMAGE(@"bundle://Three20.bundle/images/ overflowRight.png"); TTImageStyle *style = [TTImageStyle styleWithImage:image next:nil]; style.contentMode = UIViewContentModeCenter; return style; }