演示
演示.gif
ps：实际上有一层较淡的阴影效果，gif中看不出来，可以根据需要自行调节阴影浓度。
悬浮层
LJKAudioCallAssistiveTouchView.h
#import
@protocol LJKAudioCallAssistiveTouchViewDelegate
@optional
- (void)assistiveTouchViewClicked;
@end
@interface LJKAudioCallAssistiveTouchView : UIView
- (instancetype)initDefaultTypeWithBegainDate:(NSDate *)date;
+ (UIWindow *)getCurrentWindow;
@property (weak, nonatomic) id delegate;
@end
LJKAudioCallAssistiveTouchView.m
#import "LJKAudioCallAssistiveTouchView.h"
#define WIDTH self.frame.size.width
#define HEIGHT self.frame.size.height
#define kScreenWidth [[UIScreen mainScreen] bounds].size.width
#define kScreenHeight [[UIScreen mainScreen] bounds].size.height
#define defaultHeight 80
#define leftAndRightSpace 12
@interface LJKAudioCallAssistiveTouchView ()
@property (nonatomic, strong) UIImageView *imageView;
@property (nonatomic, strong) UILabel *timeLabel;
@property (nonatomic, strong) NSDate *begainDate;
@property (nonatomic)dispatch_source_t dispatchTimer;
@end
@implementation LJKAudioCallAssistiveTouchView
- (void)removeFromSuperview{
[super removeFromSuperview];
dispatch_source_cancel(self.dispatchTimer);
self.dispatchTimer = nil;
}
- (instancetype)initDefaultTypeWithBegainDate:(NSDate *)date{
if(self = [super init])
{
self.begainDate = date;
self.backgroundColor = [UIColor clearColor];
self.frame = CGRectMake(kScreenWidth - leftAndRightSpace - defaultHeight, [LJKAudioCallAssistiveTouchView iPhoneTopMargin] + 56, defaultHeight, defaultHeight);
self.layer.shadowColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.06].CGColor;
self.layer.shadowOffset = CGSizeMake(0,2);
self.layer.shadowOpacity = 0.8;
self.layer.shadowRadius = 5;
UIView *backView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, defaultHeight, defaultHeight)];
backView.backgroundColor = [UIColor whiteColor];
backView.layer.masksToBounds = YES;
backView.layer.cornerRadius = 8;
[self addSubview:backView];
_imageView = [[UIImageView alloc]initWithFrame:(CGRect){25, 16, 32, 32}];
_imageView.image = [UIImage imageNamed:@"audioCall_voice_fold"];
[backView addSubview:_imageView];
_timeLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 52, self.frame.size.width, 20)];
_timeLabel.textAlignment = NSTextAlignmentCenter;
[_timeLabel setFont:[UIFont systemFontOfSize:14]];
[_timeLabel setTextColor:[UIColor colorWithRed:51/255.0 green:51/255.0 blue:51/255.0 alpha:1]];
_timeLabel.text = @"正在接通";
[backView addSubview:_timeLabel];
UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc]initWithTarget:self action:@selector(locationChange:)];
pan.delaysTouchesBegan = YES;
[self addGestureRecognizer:pan];
UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(click:)];
[self addGestureRecognizer:tap];
//开始计时的时机可以自行调节
self.dispatchTimer = dispatch_source_create(DISPATCH_SOURCE_TYPE_TIMER, 0, 0, dispatch_get_main_queue());
dispatch_source_set_timer(self.dispatchTimer, DISPATCH_TIME_NOW, 1*NSEC_PER_SEC, 0*NSEC_PER_SEC);
dispatch_source_set_event_handler(self.dispatchTimer, ^{
[self getCurrentTimeLength];
});
dispatch_resume(self.dispatchTimer);
}
return self;
}
- (void)getCurrentTimeLength {
NSTimeInterval lateTime = [self.begainDate timeIntervalSince1970];
NSDate *currentDate = [NSDate date];
NSTimeInterval currentTime = [currentDate timeIntervalSince1970];
NSTimeInterval cha = currentTime - lateTime;
int sec = (int) cha % 60;
int min = (int) cha / 60 % 60;
NSString *differTime = [NSString stringWithFormat:@"%02d:%02d",min,sec];
self.timeLabel.text = differTime;
}
//改变位置
- (void)locationChange:(UIPanGestureRecognizer*)p
{
CGPoint panPoint = [p locationInView:[LJKAudioCallAssistiveTouchView getCurrentWindow]];
if(p.state == UIGestureRecognizerStateChanged)
{
self.center = CGPointMake(panPoint.x, panPoint.y);
}
else if(p.state == UIGestureRecognizerStateEnded)
{
CGFloat iPhoneTopMargin = [LJKAudioCallAssistiveTouchView iPhoneTopMargin];
CGFloat iPhoneBottomMargin = [LJKAudioCallAssistiveTouchView iPhoneBottomMargin];
if(panPoint.x <= kScreenWidth / 2)
{
if(panPoint.y < iPhoneTopMargin + HEIGHT / 2)
{
[UIView animateWithDuration:0.2 animations:^{
self.center = CGPointMake(WIDTH / 2 + leftAndRightSpace, iPhoneTopMargin + HEIGHT / 2);
}];
}
else if(panPoint.y >= kScreenHeight - HEIGHT / 2 - iPhoneBottomMargin)
{
[UIView animateWithDuration:0.2 animations:^{
self.center = CGPointMake(WIDTH / 2 + leftAndRightSpace, kScreenHeight - HEIGHT / 2 - iPhoneBottomMargin);
}];
}
else
{
[UIView animateWithDuration:0.2 animations:^{
self.center = CGPointMake(WIDTH / 2 + leftAndRightSpace, panPoint.y);
}];
}
}
else if(panPoint.x > kScreenWidth / 2)
{
if(panPoint.y <= iPhoneTopMargin + HEIGHT / 2)
{
[UIView animateWithDuration:0.2 animations:^{
self.center = CGPointMake(kScreenWidth - WIDTH / 2 - leftAndRightSpace, iPhoneTopMargin + HEIGHT / 2);
}];
}
else if(panPoint.y > kScreenHeight - HEIGHT / 2 - iPhoneBottomMargin)
{
[UIView animateWithDuration:0.2 animations:^{
self.center = CGPointMake(kScreenWidth - WIDTH / 2 - leftAndRightSpace, kScreenHeight - HEIGHT / 2 - iPhoneBottomMargin);
}];
}
else
{
[UIView animateWithDuration:0.2 animations:^{
self.center = CGPointMake(kScreenWidth - WIDTH / 2 - leftAndRightSpace, panPoint.y);
}];
}
}
}
}
//点击事件
-(void)click:(UITapGestureRecognizer*)t
{
if ([self.delegate respondsToSelector:@selector(assistiveTouchViewClicked)]) {
[self.delegate assistiveTouchViewClicked];
}
}
+ (CGFloat)iPhoneTopMargin {
if (@available(iOS 11.0, *)) {
return [self getCurrentWindow].safeAreaInsets.top;
} else {
return 20;
}
}
+ (CGFloat)iPhoneBottomMargin {
if (@available(iOS 11.0, *)) {
return [UIApplication sharedApplication].keyWindow.safeAreaInsets.bottom;
} else {
return 0;
}
}
+ (UIWindow *)getCurrentWindow {
__block UIWindow * window;
if (@available(iOS 13.0, *)) {
[[UIApplication sharedApplication].connectedScenes enumerateObjectsUsingBlock:^(UIScene * _Nonnull obj, BOOL * _Nonnull stop) {
if (obj.activationState == UISceneActivationStateForegroundActive &&
[obj isKindOfClass:UIWindowScene.self]) {
UIWindowScene * windowScene = (UIWindowScene *)obj;
NSArray * windows = windowScene.windows;
for (UIWindow * win in windows) {
if ([win isKeyWindow]) {
window = win;
*stop = true;
break;
}
}
}
}];
if (window == nil) {
NSArray * windows = [[UIApplication sharedApplication]windows];
for (UIWindow * win in windows) {
if ([win isKeyWindow]) {
window = win;
break;
}
}
}
}else{
window = [[UIApplication sharedApplication]keyWindow];
}
return window;
}
@end
使用样例
#import "ViewController.h"
#import "LJKAudioCallAssistiveTouchView.h"
@interface ViewController ()
@property (strong, nonatomic) LJKAudioCallAssistiveTouchView *touchView;
@property (strong, nonatomic) UIView *voiceView;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.view.backgroundColor = [UIColor whiteColor];
}
- (IBAction)showToast:(id)sender {
[self showVoiceView];
if (self.touchView) {
[self animateTransitionShowVoiceView];
}
}
- (void)showVoiceView {
UIWindow *window = [LJKAudioCallAssistiveTouchView getCurrentWindow];
self.voiceView = [[UIView alloc] initWithFrame:window.bounds];
self.voiceView.backgroundColor = [UIColor blackColor];
UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
[btn setTitle:@"最小化" forState:UIControlStateNormal];
[btn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[btn addTarget:self action:@selector(showAssistiveTouchView) forControlEvents:UIControlEventTouchUpInside];
[self.voiceView addSubview:btn];
btn.center = self.voiceView.center;
UIButton *btn1 = [[UIButton alloc] initWithFrame:CGRectMake(btn.frame.origin.x, btn.frame.origin.y + 150, 100, 100)];
[btn1 setTitle:@"结束对话" forState:UIControlStateNormal];
[btn1 setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[btn1 addTarget:self action:@selector(closeChat) forControlEvents:UIControlEventTouchUpInside];
[self.voiceView addSubview:btn1];
[window addSubview:self.voiceView];
}
- (void)closeChat {
[UIView animateWithDuration:0.4 animations:^{
self.voiceView.alpha = 0;
} completion:^(BOOL finished) {
[self.voiceView removeFromSuperview];
[self.touchView removeFromSuperview];
self.voiceView = nil;
self.touchView = nil;
}];
}
- (void)showAssistiveTouchView {
if (!self.touchView) {
self.touchView = [[LJKAudioCallAssistiveTouchView alloc] initDefaultTypeWithBegainDate:[[NSDate alloc] init]];
self.touchView.delegate = self;
[[LJKAudioCallAssistiveTouchView getCurrentWindow] addSubview:self.touchView];
} else {
[self.touchView setHidden:NO];
}
[self animateTransitionShowAssistiveTouchView];
}
- (void)assistiveTouchViewClicked {
[self showVoiceView];
[self animateTransitionShowVoiceView];
}
- (void)animateTransitionShowAssistiveTouchView {
//浮窗的 frame push时这个是起始 frame ,pop时是结束时的 frame
self.touchView.alpha = 0;
CGRect floatBallRect = self.touchView.frame;
//开始/结束时的曲线
UIBezierPath *maskFinalBP = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(floatBallRect.origin.x, floatBallRect.origin.y,floatBallRect.size.width , floatBallRect.size.height) cornerRadius:floatBallRect.size.height/2];
UIBezierPath *maskStartBP = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0 , self.voiceView.bounds.size.width, self.voiceView.bounds.size.height) cornerRadius:floatBallRect.size.width/2];
//.layer.mask 是部分显示的原因
CAShapeLayer *maskLayer = [CAShapeLayer layer];
maskLayer.path = maskFinalBP.CGPath;
self.voiceView.layer.mask = maskLayer;
//动画类
CABasicAnimation *maskLayerAnimation = [CABasicAnimation animationWithKeyPath:@"path"];
maskLayerAnimation.fromValue = (__bridge id)(maskStartBP.CGPath);
maskLayerAnimation.toValue = (__bridge id)((maskFinalBP.CGPath));
maskLayerAnimation.duration = 0.5;
maskLayerAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
maskLayerAnimation.delegate = self;
[maskLayer addAnimation:maskLayerAnimation forKey:@"path"];
//隐藏浮窗
[UIView animateWithDuration:0.4 animations:^{
self.voiceView.alpha = 0;
self.touchView.alpha = 1;
}];
}
- (void)animateTransitionShowVoiceView {
self.voiceView.alpha = 0;
//浮窗的 frame push时这个是起始 frame ,pop时是结束时的 frame
CGRect floatBallRect = self.touchView.frame;
//开始/结束时的曲线
UIBezierPath *maskStartBP = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(floatBallRect.origin.x, floatBallRect.origin.y,floatBallRect.size.width , floatBallRect.size.height) cornerRadius:floatBallRect.size.height/2];
UIBezierPath *maskFinalBP = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0 , self.voiceView.bounds.size.width, self.voiceView.bounds.size.height) cornerRadius:floatBallRect.size.width/2];
//.layer.mask 是部分显示的原因
CAShapeLayer *maskLayer = [CAShapeLayer layer];
maskLayer.path = maskFinalBP.CGPath;
self.voiceView.layer.mask = maskLayer;
//动画类
CABasicAnimation *maskLayerAnimation = [CABasicAnimation animationWithKeyPath:@"path"];
maskLayerAnimation.fromValue = (__bridge id)(maskStartBP.CGPath);
maskLayerAnimation.toValue = (__bridge id)((maskFinalBP.CGPath));
maskLayerAnimation.duration = 0.5;
maskLayerAnimation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
maskLayerAnimation.delegate = self;
[maskLayer addAnimation:maskLayerAnimation forKey:@"path"];
//隐藏浮窗
[UIView animateWithDuration:0.4 animations:^{
self.voiceView.alpha = 1;
self.touchView.alpha = 0;
}];
}
#pragma mark - CABasicAnimation的Delegate
//动画完成后代理
- (void)animationDidStop:(CAAnimation *)anim finished:(BOOL)flag{
if (self.voiceView.alpha == 0) {
[self.voiceView removeFromSuperview];
}
if (self.touchView.alpha == 0) {
[self.touchView setHidden:YES];
}
}
@end