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How to use Slider

How to use Slider. 1 What’s the slider? (1) A slider lets you choose a number in a given range. (2) set the Minimum value to 1,the Maximum value to 100,and the current value to 50. How to use Slider.

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How to use Slider

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  1. How to use Slider 1 What’s the slider? (1) A slider lets you choose a number in a given range. (2) set the Minimum value to 1,the Maximum value to 100,and the current value to 50.

  2. How to use Slider (3) Continuous checkbox checked-this ensures a continuous flow of events as the slider’s value changes. (4) need an outlet that points to the label so that we can update the label’s value when the slider is used.

  3. How to use Slider 2 Some improtant code { int currentValue=lroundf(sender.value); self.sliderLabel.text=[NSString stringWithFormat:@”%d”,currentValue]; }

  4. How to use Switch 1 What’s the slider? It is samll controls that can have only two states:on and off.

  5. How to use Switch 2 Some improtant code. { BOOL flag=sender.isOn; [self.leftSwitch setOn:flag animated:YES]; [self.rightSwitch setOn:flag animated:YES]; }

  6. How to use Segment 1 What’s the segment? (1) It is to show different things. (2) the first section has an index of 0.

  7. How to use Segment 2 Some improtant code. if (sender.selectedSegmentIndex==0){ self.leftSwitch.hidden=NO; self.rightSwitch.hidden=NO; self.segmentButton.hidden=YES; }

  8. How to use Segment else{ self.leftSwitch.hidden=YES; self.rightSwitch.hidden=YES; self.segmentButton.hidden=NO; }

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