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  • UISement属性

     1 1.segmentedControlStyle
     2 设置segment的显示样式。
     3 typedef NS_ENUM(NSInteger, UISegmentedControlStyle) {
     4 UISegmentedControlStylePlain,     // large plain 系统默认平板样式
     5 segmentedControl.segmentedControlStyle = UISegmentedControlStylePlain;
     6 
     7 UISegmentedControlStyleBordered,  // large bordered 黑边样式
     8 segmentedControl.segmentedControlStyle = UISegmentedControlStyleBordered;
     9 
    10 UISegmentedControlStyleBar,       // small button/nav bar style. Tintable 条状样式
    11 segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;
    12 
    13     UISegmentedControlStyleBezeled,   // DEPRECATED. Do not use this style. 这个类型不要使用,用了会报错喔。
    14 };
    15 
    16 2.tintColor 渐变颜色
    17 Default tintColor is nil. Only used if style is UISegmentedControlStyleBar
    18 默认空,只有使用UISegmentedControlStyleBar,才能设置渐变颜色。
    19 segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;
    20 segmentedControl.tintColor = [UIColor redColor];
    21 效果:
    22 
    23  
    24 3.momentary 设置在点击后是否恢复原样
    25 默认为NO
    26 segmentedControl.momentary = No;
    27 
    28 点击之后效果:
    29 
    30 segmentedControl.momentary = YES;
    31 点击之后效果:
    32 
    33 
    34 
    35 4. numberOfSegments(只读)
    36 获取总选项数segmentedControl.numberOfSegments
    37 
    38 5. selectedSegmentIndex
    39 用来设置选中项或者返回选中项。
    40 segmentedControl.selectedSegmentIndex = 2;//设置默认选择项索引
    41 segmentedControl.selectedSegmentIndex // 获取选中项
    42 6.- (void)setTitle:(NSString *)title forSegmentAtIndex:(NSUInteger)segment;
    43 [segmentedControl setTitle:@"two" forSegmentAtIndex:1];//设置指定索引的题目
    44 效果:
    45 
    46 7. - (void)setImage:(UIImage *)image forSegmentAtIndex:(NSUInteger)segment;       
    47 [segmentedControl setImage:[UIImage imageNamed:@"lan.png"] forSegmentAtIndex:3];//设置指定索引的图片
    48 8.-(void)insertSegmentWithTitle:(NSString*)title atIndex:(NSUInteger)segment animated:(BOOL)animated;
    49 [segmentedControl insertSegmentWithTitle:@"add" atIndex:3 animated:NO];//在指定索引插入一个选项并设置题目
    50 效果:
    51 
    52 9.-(void)insertSegmentWithImage:(UIImage *)image  atIndex:(NSUInteger)segment animated:(BOOL)animated;
    53 [segmentedControl insertSegmentWithImage:[UIImage imageNamed:@"mei.png"] atIndex:2 animated:NO];//在指定索引插入一个选项并设置图片
    54 
    55 10.- (void)removeSegmentAtIndex:(NSUInteger)segment animated:(BOOL)animated;
    56 [segmentedControl removeSegmentAtIndex:0 animated:NO];//移除指定索引的选项
    57 效果:
    58 
    59 11. - (void)removeAllSegments;
    60     //移除所有选项
    61 //[segmentedControl removeAllSegments];
    62 
    63 12. - (void)setWidth:(CGFloat)width forSegmentAtIndex:(NSUInteger)segment;         // set to 0.0 width to autosize. default is 0.0
    64 选项卡的宽度默认为0,此方法能够设置选项卡宽度。
    65 [segmentedControl setWidth:70.0 forSegmentAtIndex:2];//设置指定索引选项的宽度
    66 
    67 效果:
    68 
    69 13. - (void)setContentOffset:(CGSize)offset forSegmentAtIndex:(NSUInteger)segment; // adjust offset of image or text inside the segment. default is (0,0)
    70 [segmentedControl setContentOffset:CGSizeMake(10,0) forSegmentAtIndex:1];
    71 设置选项卡内部文字或者图片与默认位置的偏移量,默认位置在选项卡的中心。
    72 效果:
    73 
    74 14. - (void)setEnabled:(BOOL)enabled forSegmentAtIndex:(NSUInteger)segment;        
    75 
    76 [segmentedControl setEnabled:NO forSegmentAtIndex:4];//设置指定索引选项不可选
    77 
    78 15.增加事件响应机制
    79 监听的是这个事件:UIControlEventValueChanged,值改变事件
    80 
    81 [segmentedControl    addTarget:self    action:@selector(itemClick)    forControlEvents:UIControlEventValueChanged];
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  • 原文地址:https://www.cnblogs.com/developer-wang/p/4520377.html
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