UIiew h的學習理解

@inte***ce uiview : uiresponder

- (id)initwithframe:(cgrect)frame;

// yes:能夠跟使用者進行互動

@property(nonatomic,getter=isuserinteractionenabled

) booluserinteractionenabled;

// default is yes

// 控制項的乙個標記(父控制項可以通過tag找到對應的子控制項)

@property(nonatomic)

nsintegertag;

// default is 0

// 圖層(可以用來設定圓角效果\陰影效果)

@property(nonatomic,readonly,retain)

calayer

*layer;

@end

@inte***ce uiview(uiviewgeometry)

// 位置和尺寸(以父控制項的左上角為座標原點(0, 0))

@property(nonatomic)cgrect

frame;

// 位置和尺寸(以自己的左上角為座標原點(0, 0))

@property(nonatomic)cgrect

bounds;

// 中點(以父控制項的左上角為座標原點(0, 0))

@property(nonatomic)cgpoint

center;

// 形變屬性(平移\縮放\旋轉)

@property(nonatomic) cgaffinetransformtransform;

// default iscgaffinetransformidentit y

// yes:支援多點觸控

@property(nonatomic,getter=ismultipletouchenabled) boolmultipletouchenabled;

//default is no

@end

@inte***ce uiview(uiviewhierarchy)

// 父控制項

@property(nonatomic,readonly)uiview

*superview;

// 子控制項(新新增的控制項預設都在subviews陣列的後面, 新新增的控制項預設都顯示在最上面\最頂部)

@property(nonatomic,readonly,copy) nsarray *subviews;

// 獲得當前控制項所在的window

@property(nonatomic,readonly)uiwindow

*window;

// 從父控制項中移除乙個控制項

- (void)removefromsuperview;

// 新增乙個子控制項(可以將子控制項插入到subviews陣列中index這個位置)

- (void)insertsubview:(uiview *)viewatindex:(nsinteger)index;

// 交換subviews陣列中所存放子控制項的位置

- (void)exchangesubviewatindex:(nsinteger)index1withsubviewatindex:(nsinteger)index2;

// 新增乙個子控制項(新新增的控制項預設都在subviews陣列的後面, 新新增的控制項預設都顯示在最上面\最頂部)

- (void)addsubview:(uiview *)view;

// 新增乙個子控制項view(被擋在siblingsubview的下面)

- (void)insertsubview:(uiview *)view belowsubview:(uiview*)siblingsubview;

// 新增乙個子控制項view(蓋在siblingsubview的上面)

- (void)insertsubview:(uiview *)view abovesubview:(uiview*)siblingsubview;

// 將某個子控制項拉到最上面(最頂部)來顯示

- (void)bringsubviewtofront:(uiview *)view;

// 將某個子控制項拉到最下面(最底部)來顯示

- (void)sendsubviewtoback:(uiview *)view;

- (void)didaddsubview:(uiview *)subview;

- (void)willremovesubview:(uiview *)subview;

- (void)willmovetosuperview:(uiview *)newsuperview;

- (void)didmovetosuperview;

- (void)willmovetowindow:(uiwindow *)newwindow;

- (void)didmovetowindow;

// 是不是view的子控制項或者子控制項的子控制項(是否為view的後代)

- (bool)isdescendantofview:(uiview *)view;

//returns yes for self.

// 通過tag獲得對應的子控制項(也可以或者子控制項的子控制項)

- (uiview*)viewwithtag:(nsinteger)tag;

// recursive search. includes self

// 控制項的frame發生改變的時候就會呼叫,一般在這裡重寫布局子控制項的位置和尺寸

// 重寫了這個寫方法後,一定呼叫[super layoutsubviews];

- (void)layoutsubviews;

@end

@inte***ce uiview(uiviewrendering)

// yes : 超出控制項邊框範圍的內容都剪掉

@property(nonatomic)

bool

clipstobounds;

// 背景色

@property(nonatomic,copy)

uicolor

*backgroundcolor; // default is nil

// 透明度(0.0~1.0)

@property(nonatomic)

cgfloat

alpha;

// default is 1.0

// yes:不透明

no:透明

@property(nonatomic,getter=isopaque)bool

opaque;

// default is yes

// yes : 隱藏

no : 顯示

@property(nonatomic,getter=ishidden)bool

hidden;

// 內容模式

@property(nonatomic)

uiviewcontentmodecontentmode;

// default is uiviewcontentmodescaleto

fill

@end

@inte***ce uiview(uiviewanimationwithblock

s) + (void)animatewithduration:(nstimeinterval)durationdelay:(nstimeinterval)delay options:(uiviewanimationoptions)optionsanimations:(void (^)(void))animations completion:(void (^)(boolfinished))completion;

+ (void)animatewithduration:(nstimeinterval)durationanimations:(void (^)(void))animations completion:(void (^)(boolfinished))completion;

+ (void)animatewithduration:(nstimeinterval)durationanimations:(void (^)(void))animations;

+ (void)animatewithduration:(nstimeinterval)durationdelay:(nstimeinterval)delayusingspringwithdamping:(cgfloat)dampingratioinitialspringvelocity:(cgfloat)velocityoptions:(uiviewanimationoptions)options animations:(void(^)(void))animations completion:(void (^)(boolfinished))completion;

@end

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