-(void)layoutButton{
NSArray *buttonArr = @[@"推薦", @"分類", @"廣播", @"榜單", @"主播"];
for (int i = 0; i<5; i++) {
self.button = [UIButton buttonWithType:UIButtonTypeSystem];
self.button.frame = CGRectMake(20 + 2 * i * ([UIScreen mainScreen].bounds.size.width - 20 * 2) / 9, 40, ([UIScreen mainScreen].bounds.size.width - 20 * 2) / 9, 28);
[self.button setTitle:buttonArr[i] forState:UIControlStateNormal];
[self.button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];//設置按鈕正常時的字體顏色
[self.button setTitleColor:[UIColor redColor] forState:UIControlStateSelected];//設置按鈕被按下去時的字體顏色
self.button.tag = 200 + i;
self.button.selected = NO;//把按鈕的點擊狀態設置爲NO
[self.button addTarget:self action:@selector(handleButton:) forControlEvents:UIControlEventTouchUpInside];
self.button.tintColor = [UIColor colorWithRed:244 / 255.0 green:244 / 255.0 blue:244 / 255.0 alpha:1];//設置button的渲染顏色
[self.aview addSubview:self.button];
if (i == 0) {
self.button.selected = YES;//設置‘推薦’的默認狀態是被選中的,即它上的字體顏色默認是紅色
}
}
//點擊button事件
-(void)handleButton:(UIButton *)button {
NSInteger i = button.tag;
button.selected = YES;
self.isButton.selected = NO;//isbutton是設置的屬性。這裏表示上一個點擊的按鈕,把它的狀態設置成不被選中,即它的字體顏色是黑色的。
if (i == 200) {
button.selected = YES;//當點擊的按鈕是‘推薦’時,設置‘推薦’按鈕的狀態是被選中的,即它的字體顏色是紅色
}else {
UIButton *oneButton = (UIButton *)[self.aview viewWithTag:200];
oneButton.selected = NO;//當點擊的按鈕不是‘推薦’時,設置‘推薦’按鈕的狀態是不被選中的,即它的字體顏色變成黑色。
}
if (button.selected == YES) {
//button.selected = NO;
self.isButton = button;//把當前點擊的按鈕,記錄下來,用is button接收。
}