在我的應用程序中,我在滾動視圖中創建了20個按鈕,現在的問題是我無法突出顯示所選按鈕。突出顯示動態創建的UIButtons?
我的目的是顯示與正常不同的外觀按下按鈕。當按下另一個按鈕上一個應該成爲常態:
UIButton *Abutton = [[UIButton buttonWithType:UIButtonTypeRoundedRect] retain];
[Abutton setTag:i-1];
Abutton.frame = CGRectMake(30.0, 0+j, 40.0, 40.0);
[Abutton setTitle:@"" forState:UIControlStateNormal];
Abutton.backgroundColor = [UIColor clearColor];
[Abutton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal ];
UIImage *buttonImageNormal = [UIImage imageNamed:@"image1.png"];
UIImage *strechableButtonImageNormal = [buttonImageNormal stretchableImageWithLeftCapWidth:12 topCapHeight:0];
[Abutton setBackgroundImage:strechableButtonImageNormal forState:UIControlStateNormal];
UIImage *buttonImagePressed = [UIImage imageNamed:@"image2.png"];
UIImage *strechableButtonImagePressed = [buttonImagePressed stretchableImageWithLeftCapWidth:12 topCapHeight:0];
[Abutton setBackgroundImage:strechableButtonImagePressed forState:UIControlStateHighlighted];
[Abutton addTarget:self action:@selector(buttonpressed:) forControlEvents:UIControlEventTouchUpInside];
[scrollview addSubview:Abutton];
最後我創造了A按鈕的方法按如下:
-(IBAction)buttonpressed:(id)sender{
Abutton.highlighted=YES;
//.....
//.....
}
如果不喜歡它創造了這個則只有最後一個按鈕動態獲取突出顯示。這不完全是我想要的。
謝謝Ben,有沒有更好的使用NSSet的例子? – Satheesh 2011-12-18 05:54:20