问使用NSTimer iPhone的滑块

EN

 timerForSlider = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(updateSlider) userInfo:nil repeats:YES];//timerForSlider in .h file

-(void)updateSlider
{
    [slider setValue:slider.value+1];
    if(slider.value==6)
    {
        [timerForSlider invalidate];
    }
}

-(void) timer {
    //dSliderValue - step of slider moveing. set it to 2
    if (slider.value+dSliderValue <= 60) [slider setValue:slider.value+dSliderValue];
    else {
        [t invalidate];
        //any other code here, on timer stopping
    }
}

[slider setMaximumValue:60];
[slider setValue:0];
dSliderValue = 2;
t = [NSTimer scheduledTimerWithTimeInterval:0.2 target:self selector:@selector(timer) userInfo:nil repeats:YES];