具有UISwitch功能的iPhone UIButton

Question

有沒有一種方法可以爲開關狀態實現具有自定義圖形的UISwitch？或者換一種方式，一個帶有UISwitch功能的UIButton？

Answer 1

UIButton已經支持「切換」功能。

只需在Interface Builder中爲「Selected State Configuration」設置不同的圖像，然後使用UIButton的selected屬性切換其狀態。

Answer 2

設置圖像在選定狀態顯示：

[button setImage:[UIImage imageNamed:@"btn_graphics"] forState:UIControlStateSelected]; 

，然後觸摸起來裏面選擇，設置：

button.selected = YES; 

，如果你希望它取消其它按鈕的選擇，設置：

otherButton.selected = NO; 

Answer 3

建立在PGB和nurne上面所說的基礎上，在你設置你的狀態並附上一個sele ctor（事件方法），你會想把這段代碼放在那個選擇器中。

- (IBAction)cost:(id)sender 
{ 
    //Toggle current state and save 
    self.buttonTest.selected = !self.buttonTest.selected; 

    /** 
    The rest of your method goes here. 
    */ 
} 

Answer 4

對於編程傾斜：

-(void) addToggleButton { 
    CGRect aframe = CGRectMake(0,0,100,100); 

    UIImage *selectedImage = [UIImage imageNamed:@"selected"]; 
    UIImage *unselectedImage = [UIImage imageNamed:@"unselected"]; 

    self.toggleUIButton = [[UIButton alloc] initWithFrame:aframe]; 
    [self.toggleUIButton setImage:unselectedImage forState:UIControlStateNormal]; 
    [self.toggleUIButton setImage:selectedImage forState:UIControlStateSelected]; 
    [self.toggleUIButton addTarget:self 
          action:@selector(clickToggle:) 
        forControlEvents:UIControlEventTouchUpInside]; 
    [self addSubview:self.toggleUIButton]; 
} 

-(void) clickToggle:(id) sender { 
    BOOL isSelected = [(UIButton *)sender isSelected]; 
    [(UIButton *) sender setSelected:!isSelected]; 
}