UISwitch, UIFont, UIColor, UILabel, NSString, UIGestureRecognizer,
ViewController.h
#import “ZJSwitch.h”
@property (weak, nonatomic) IBOutlet UIView *viewForSwitchFirst;
@property (weak, nonatomic) IBOutlet UIView *viewForSwitchTwo;
@property (weak, nonatomic) IBOutlet UISwitch *SwitchOnOff;
ViewController.m
– (void)viewDidLoad {
[super viewDidLoad];
// self.SwitchOnOff.onImage = [UIImage imageNamed:@”toggle-from.png”];
// self.SwitchOnOff.offImage = [UIImage imageNamed:@”toggle-to.png”];
CGFloat r1 = CGRectGetHeight(self.viewForSwitchFirst.bounds) / 2.0;
self.viewForSwitchFirst.layer.cornerRadius = r1;
ZJSwitch *switch1 = [[ZJSwitch alloc] initWithFrame:CGRectMake(5, 5, self.viewForSwitchFirst.frame.size.width – 10, self.viewForSwitchFirst.frame.size.height – 10)];
switch1.on = YES;
switch1.backgroundColor = [UIColor clearColor];
switch1.onTintColor = [UIColor colorWithRed:0/255.0 green:0/255.0 blue:255/255.0 alpha:1];
switch1.offTintColor = [UIColor colorWithRed:0/255.0 green:255/255.0 blue:0/255.0 alpha:1];
switch1.textColor = [UIColor blackColor];
switch1.onText = @”Switch ON”;
switch1.offText = @”Switch OFF”;
//switch2.textFont = @””;
[switch1 setOnTextFontSize:10];
[switch1 setOffTextFontSize:10];
[switch1 addTarget:self action:@selector(handleSwitchEvent:) forControlEvents:UIControlEventValueChanged];
[self.viewForSwitchFirst addSubview:switch1];
CGFloat r2 = CGRectGetHeight(self.viewForSwitchTwo.bounds) / 2.0;
self.viewForSwitchTwo.layer.cornerRadius = r2;
ZJSwitch *switch2 = [[ZJSwitch alloc] initWithFrame:CGRectMake(5, 5, self.viewForSwitchTwo.frame.size.width – 10, self.viewForSwitchTwo.frame.size.height – 10)];
switch2.on = YES;
switch2.backgroundColor = [UIColor clearColor];
switch2.tintColor = [UIColor orangeColor];
[switch2 addTarget:self action:@selector(handleSwitchEvent:) forControlEvents:UIControlEventValueChanged];
[self.viewForSwitchTwo addSubview:switch2];
// Do any additional setup after loading the view, typically from a nib.
}
– (IBAction)switchActionOnOff:(id)sender
{
NSLog(@”%@”,sender);
if ([self.SwitchOnOff isOn])
{
NSLog(@”Switch id On”);
}
else
{
NSLog(@”Switch is Off”);
}
}
– (void)handleSwitchEvent:(id)sender
{
if ([sender isOn])
{
NSLog(@”Switch is On”);
}
else
{
NSLog(@”Switch is Off”);
}
}
ZJSwitch.h
#import <UIKit/UIKit.h>
@interface ZJSwitch : UIControl
@property (nonatomic, assign, getter = isOn) BOOL on;
@property (nonatomic, strong) UIColor *onTintColor;
@property (nonatomic, strong) UIColor *offTintColor;
@property (nonatomic, strong) UIColor *thumbTintColor;
@property (nonatomic, strong) UIColor *textColor;
@property (nonatomic, strong) UIFont *textFont;
@property (nonatomic, strong) NSString *onText;
@property (nonatomic, strong) NSString *offText;
– (void)setTextFont:(UIFont *)textFont;
– (void)setOnTextFontSize:(CGFloat)onTextFontSize;
– (void)setOffTextFontSize:(CGFloat)offTextFontSize;
– (void)setOn:(BOOL)on animated:(BOOL)animated;
ZJSwitch.m
#import “ZJSwitch.h”
#define ZJSwitchMaxHeight 100.0f
#define ZJSwitchMinHeight 20.0f
#define ZJSwitchMinWidth 30.0f
#define ZJSwitchKnobSize 15.0f
@interface ZJSwitch ()
@property (nonatomic, strong) UIView *containerView;
@property (nonatomic, strong) UIView *onContentView;
@property (nonatomic, strong) UIView *offContentView;
@property (nonatomic, strong) UIView *knobView;
@property (nonatomic, strong) UILabel *onLabel;
@property (nonatomic, strong) UILabel *offLabel;
– (void)commonInit;
– (CGRect)roundRect:(CGRect)frameOrBounds;
– (void)handleTapTapGestureRecognizerEvent:(UITapGestureRecognizer *)recognizer;
– (void)handlePanGestureRecognizerEvent:(UIPanGestureRecognizer *)recognizer;
@end
@implementation ZJSwitch
– (id)initWithFrame:(CGRect)frame
{
self = [super initWithFrame:[self roundRect:frame]];
if (self) {
[self commonInit];
}
return self;
}
– (id)initWithCoder:(NSCoder *)aDecoder
{
self = [super initWithCoder:aDecoder];
if (self) {
[self commonInit];
}
return self;
}
– (void)setBounds:(CGRect)bounds
{
[super setBounds:[self roundRect:bounds]];
[self setNeedsLayout];
}
– (void)setFrame:(CGRect)frame
{
[super setFrame:[self roundRect:frame]];
[self setNeedsLayout];
}
– (void)setTextFont:(UIFont *)textFont
{
_onLabel.font = textFont;
_offLabel.font = textFont;
}
– (void)setOnText:(NSString *)onText
{
if (_onText != onText) {
_onText = onText;
_onLabel.text = onText;
}
}
– (void)setOffText:(NSString *)offText
{
if (_offText != offText) {
_offText = offText;
_offLabel.text = offText;
}
}
– (void)setOnTextFontSize:(CGFloat)onTextFontSize
{
[_onLabel setFont:[UIFont systemFontOfSize:onTextFontSize]];
}
– (void)setOffTextFontSize:(CGFloat)offTextFontSize
{
[_offLabel setFont:[UIFont systemFontOfSize:offTextFontSize]];
}
– (void)setOnTintColor:(UIColor *)onTintColor
{
if (_onTintColor != onTintColor) {
_onTintColor = onTintColor;
_onContentView.backgroundColor = onTintColor;
}
}
– (void)setOffTintColor:(UIColor *)offTintColor
{
if (_offTintColor != offTintColor) {
_offTintColor = offTintColor;
_offContentView.backgroundColor = offTintColor;
}
}
– (void)setThumbTintColor:(UIColor *)thumbTintColor
{
if (_thumbTintColor != thumbTintColor) {
_thumbTintColor = thumbTintColor;
_knobView.backgroundColor = _thumbTintColor;
}
}
– (void)layoutSubviews
{
[super layoutSubviews];
self.containerView.frame = self.bounds;
CGFloat r = CGRectGetHeight(self.containerView.bounds) / 2.0;
self.containerView.layer.cornerRadius = r;
self.containerView.layer.masksToBounds = YES;
CGFloat margin = (CGRectGetHeight(self.bounds) – ZJSwitchKnobSize) / 2.0;
if (!self.isOn) {
// frame of off status
self.onContentView.frame = CGRectMake(-1 * CGRectGetWidth(self.containerView.bounds),
0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.offContentView.frame = CGRectMake(0,
0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.knobView.frame = CGRectMake(margin,
margin,
ZJSwitchKnobSize,
ZJSwitchKnobSize);
} else {
// frame of on status
self.onContentView.frame = CGRectMake(0,
0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.offContentView.frame = CGRectMake(0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.knobView.frame = CGRectMake(CGRectGetWidth(self.containerView.bounds) – margin – ZJSwitchKnobSize,
margin,
ZJSwitchKnobSize,
ZJSwitchKnobSize);
}
CGFloat lHeight = 20.0f;
CGFloat lMargin = r – (sqrtf(powf(r, 2) – powf(lHeight / 2.0, 2))) + margin;
self.onLabel.frame = CGRectMake(lMargin,
r – lHeight / 2.0,
CGRectGetWidth(self.onContentView.bounds) – lMargin – ZJSwitchKnobSize – 2 * margin,
lHeight);
self.offLabel.frame = CGRectMake(ZJSwitchKnobSize + 2 * margin,
r – lHeight / 2.0,
CGRectGetWidth(self.onContentView.bounds) – lMargin – ZJSwitchKnobSize – 2 * margin,
lHeight);
}
– (void)setOn:(BOOL)on
{
[self setOn:on animated:NO];
}
– (void)setOn:(BOOL)on animated:(BOOL)animated
{
if (_on == on) {
return;
}
_on = on;
CGFloat margin = (CGRectGetHeight(self.bounds) – ZJSwitchKnobSize) / 2.0;
if (!animated) {
if (!self.isOn) {
// frame of off status
self.onContentView.frame = CGRectMake(-1 * CGRectGetWidth(self.containerView.bounds),
0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.offContentView.frame = CGRectMake(0,
0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.knobView.frame = CGRectMake(margin,
margin,
ZJSwitchKnobSize,
ZJSwitchKnobSize);
} else {
// frame of on status
self.onContentView.frame = CGRectMake(0,
0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.offContentView.frame = CGRectMake(0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.knobView.frame = CGRectMake(CGRectGetWidth(self.containerView.bounds) – margin – ZJSwitchKnobSize,
margin,
ZJSwitchKnobSize,
ZJSwitchKnobSize);
}
} else {
if (self.isOn) {
[UIView animateWithDuration:0.25
animations:^{
self.knobView.frame = CGRectMake(CGRectGetWidth(self.containerView.bounds) – margin – ZJSwitchKnobSize,
margin,
ZJSwitchKnobSize,
ZJSwitchKnobSize);
}
completion:^(BOOL finished){
self.onContentView.frame = CGRectMake(0,
0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.offContentView.frame = CGRectMake(0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
}];
} else {
[UIView animateWithDuration:0.25
animations:^{
self.knobView.frame = CGRectMake(margin,
margin,
ZJSwitchKnobSize,
ZJSwitchKnobSize);
}
completion:^(BOOL finished){
self.onContentView.frame = CGRectMake(-1 * CGRectGetWidth(self.containerView.bounds),
0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
self.offContentView.frame = CGRectMake(0,
0,
CGRectGetWidth(self.containerView.bounds),
CGRectGetHeight(self.containerView.bounds));
}];
}
}
[self sendActionsForControlEvents:UIControlEventValueChanged];
}
#pragma mark – Private API
– (void)commonInit
{
self.backgroundColor = [UIColor clearColor];
_onTintColor = [UIColor colorWithRed:130 / 255.0 green:200 / 255.0 blue:90 / 255.0 alpha:1.0];
_offTintColor = [UIColor colorWithWhite:0.75 alpha:1.0];
_thumbTintColor = [UIColor colorWithWhite:1.0 alpha:1.0];
_textFont = [UIFont systemFontOfSize:10.0f];
_textColor = [UIColor whiteColor];
_containerView = [[UIView alloc] initWithFrame:self.bounds];
_containerView.backgroundColor = [UIColor clearColor];
[self addSubview:_containerView];
_onContentView = [[UIView alloc] initWithFrame:self.bounds];
_onContentView.backgroundColor = _onTintColor;
[_containerView addSubview:_onContentView];
_offContentView = [[UIView alloc] initWithFrame:self.bounds];
_offContentView.backgroundColor = _offTintColor;
[_containerView addSubview:_offContentView];
_knobView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, ZJSwitchKnobSize, ZJSwitchKnobSize)];
_knobView.backgroundColor = _thumbTintColor;
_knobView.layer.cornerRadius = (ZJSwitchKnobSize / 2.0);
[_containerView addSubview:_knobView];
_onLabel = [[UILabel alloc] initWithFrame:CGRectZero];
_onLabel.backgroundColor = [UIColor clearColor];
_onLabel.textAlignment = NSTextAlignmentCenter;
_onLabel.textColor = _textColor;
_onLabel.font = _textFont;
_onLabel.text = _onText;
[_onContentView addSubview:_onLabel];
_offLabel = [[UILabel alloc] initWithFrame:CGRectZero];
_offLabel.backgroundColor = [UIColor clearColor];
_offLabel.textAlignment = NSTextAlignmentCenter;
_offLabel.textColor = _textColor;
_offLabel.font = _textFont;
_offLabel.text = _offText;
[_offContentView addSubview:_offLabel];
UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self
action:@selector(handleTapTapGestureRecognizerEvent:)];
[self addGestureRecognizer:tapGesture];
UIPanGestureRecognizer *panGesture = [[UIPanGestureRecognizer alloc] initWithTarget:self
action:@selector(handlePanGestureRecognizerEvent:)];
[self addGestureRecognizer:panGesture];
}
– (CGRect)roundRect:(CGRect)frameOrBounds
{
CGRect newRect = frameOrBounds;
if (newRect.size.height > ZJSwitchMaxHeight) {
newRect.size.height = ZJSwitchMaxHeight;
}
if (newRect.size.height < ZJSwitchMinHeight) {
newRect.size.height = ZJSwitchMinHeight;
}
if (newRect.size.width < ZJSwitchMinWidth) {
newRect.size.width = ZJSwitchMinWidth;
}
return newRect;
}
– (void)handleTapTapGestureRecognizerEvent:(UITapGestureRecognizer *)recognizer
{
if (recognizer.state == UIGestureRecognizerStateEnded) {
[self setOn:!self.isOn animated:NO];
}
}
– (void)handlePanGestureRecognizerEvent:(UIPanGestureRecognizer *)recognizer
{
CGFloat margin = (CGRectGetHeight(self.bounds) – ZJSwitchKnobSize) / 2.0;
CGFloat offset = 6.0f;
switch (recognizer.state) {
case UIGestureRecognizerStateBegan:{
if (!self.isOn) {
[UIView animateWithDuration:0.25
animations:^{
self.knobView.frame = CGRectMake(margin,
margin,
ZJSwitchKnobSize + offset,
ZJSwitchKnobSize);
}];
} else {
[UIView animateWithDuration:0.25
animations:^{
self.knobView.frame = CGRectMake(CGRectGetWidth(self.containerView.bounds) – margin – (ZJSwitchKnobSize + offset),
margin,
ZJSwitchKnobSize + offset,
ZJSwitchKnobSize);
}];
}
break;
}
case UIGestureRecognizerStateCancelled:
case UIGestureRecognizerStateFailed: {
if (!self.isOn) {
[UIView animateWithDuration:0.25
animations:^{
self.knobView.frame = CGRectMake(margin,
margin,
ZJSwitchKnobSize,
ZJSwitchKnobSize);
}];
} else {
[UIView animateWithDuration:0.25
animations:^{
self.knobView.frame = CGRectMake(CGRectGetWidth(self.containerView.bounds) – ZJSwitchKnobSize,
margin,
ZJSwitchKnobSize,
ZJSwitchKnobSize);
}];
}
break;
}
case UIGestureRecognizerStateChanged:{
break;
}
case UIGestureRecognizerStateEnded:
[self setOn:!self.isOn animated:YES];
break;
case UIGestureRecognizerStatePossible:
break;
}
}
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iOS Development Objective C 