iOS 悬浮球效果实现，悬浮按钮，拖拽，贴边，隐藏，显示，旋转屏幕适配

news/2024/12/1 6:59:01/

1.悬浮球与设备刘海的安全距离

无论是横屏还是竖屏，悬浮球距离有刘海的一边会留出安全距离

设备方向的上下两边，也有安全距离

2.贴边吸附方向和距离

悬浮球只能贴设备方向的左右两边，需要贴上下两边自行调整

距离边缘的数值自行调整

3.切换横竖屏，悬浮球自适应

悬浮球位置切换横竖屏后，等比例转换的。

4.隐藏和显示

拖到屏幕中间ImageView范围内可以隐藏悬浮窗，在范围内会由蓝色变红色，可自定义图片或者大小

使用说明：

悬浮球点击事件代理方法

- (void)suspendViewButtonClick:(UIButton*)sender;

悬浮球在ImageView范围内提示是否隐藏悬浮窗

- (void)showHideAlertView;

显示悬浮窗

- (void)showSuspendView;

隐藏悬浮窗

- (void)dismissSuspendView;

Demo下载点击此处

 视频效果展示

#import <UIKit/UIKit.h>NS_ASSUME_NONNULL_BEGIN
@protocol SuspendViewDelegate <NSObject>
- (void)suspendViewButtonClick:(UIButton*)sender;
- (void)showHideAlertView;
@end
@interface SuspendView : UIView
{CGPoint lastPoint;/**存储悬浮球最后的移动完位置*/BOOL isChangePosition;/**悬浮球是否改变了位置*/CGFloat changeHig;//按钮高度位置比例CGFloat changeWid;//按钮宽度位置比例}
@property (nonatomic, retain) UIButton *btn;/**<#name#>*/
@property (nonatomic, strong) NSTimer *_Nullable timer;
@property (nonatomic, retain) UIImageView *imageView;
@property (nonatomic, assign) UIInterfaceOrientation orientation;
@property (nonatomic, weak) id<SuspendViewDelegate> delegate;
- (void)showSuspendView;
- (void)dismissSuspendView;
@endNS_ASSUME_NONNULL_END
#import "SuspendView.h"#define SCREEN_WIDTH    [UIScreen mainScreen].bounds.size.width
#define SCREEN_HEIGHT   [UIScreen mainScreen].bounds.size.height
#define ViewSize 50
#define KHeightFit(w)           (((w) / 667.0) * SCREEN_HEIGHT)#define LRString [NSString stringWithFormat:@"%s", __FILE__].lastPathComponent
#define DLog(...) {\
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];\
[dateFormatter setDateFormat:@"YYYY-MM-dd hh:mm:ss"];\
NSString *dateString = [dateFormatter stringFromDate:[NSDate date]];\
printf("%s %s 第%d行:%s\n\n",[dateString UTF8String],[LRString UTF8String] ,__LINE__, [[NSString stringWithFormat:__VA_ARGS__] UTF8String]);}@implementation SuspendView- (instancetype)init{self = [super init];if (self) {self.backgroundColor = UIColor.redColor;self.layer.masksToBounds = YES;self.layer.cornerRadius = ViewSize/2;self.alpha = 0.5;//获取设备方向self.orientation = [[UIApplication sharedApplication] statusBarOrientation];if (self.orientation == UIInterfaceOrientationLandscapeRight){//横向home键在右侧，设备左转，刘海在左边self.frame = CGRectMake(SCREEN_WIDTH - [self vg_safeDistanceTop] - ViewSize - 20, KHeightFit(80) + ViewSize/2, ViewSize, ViewSize);}else{self.frame = CGRectMake(SCREEN_WIDTH - ViewSize/2, KHeightFit(80) + ViewSize/2, ViewSize, ViewSize);}self.btn = [UIButton buttonWithType:UIButtonTypeCustom];self.btn.frame = CGRectMake(5, 5, 40, 40);self.btn.backgroundColor = UIColor.greenColor;self.btn.layer.cornerRadius = 20;[self.btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];[self addSubview:self.btn];//获取按钮与屏幕初始宽高比例[self changeCoordinateScale];//是否改变了悬浮窗初始位置isChangePosition = NO;//添加手势UIPanGestureRecognizer *panRcognize=[[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(handlePanGesture:)];[panRcognize setMinimumNumberOfTouches:1];[panRcognize setEnabled:YES];[panRcognize delaysTouchesEnded];[panRcognize cancelsTouchesInView];[self addGestureRecognizer:panRcognize];//监听屏幕旋转[[NSNotificationCenter defaultCenter] addObserver:selfselector:@selector(didChangeStatusBarOrientation)name:UIApplicationDidChangeStatusBarOrientationNotificationobject:nil];}return self;
}- (void)didChangeStatusBarOrientation {self.orientation = [UIApplication sharedApplication].statusBarOrientation;self.imageView.frame = CGRectMake((SCREEN_WIDTH - 50)/2, (SCREEN_HEIGHT - 50)/2, 50, 50);
//    DLog(@"===%zd=====%zd",[[UIDevice currentDevice] orientation],[UIApplication sharedApplication].statusBarOrientation);//请注意，UIInterfaceOrientationAndScapeLeft等于UIDeviceOrientation AndScapeRight（反之亦然）。//这是因为向左旋转设备需要向右旋转内容。/**UIInterfaceOrientationUnknown            = UIDeviceOrientationUnknown,UIInterfaceOrientationPortrait           = UIDeviceOrientationPortrait,UIInterfaceOrientationPortraitUpsideDown = UIDeviceOrientationPortraitUpsideDown,UIInterfaceOrientationLandscapeLeft      = UIDeviceOrientationLandscapeRight,UIInterfaceOrientationLandscapeRight     = UIDeviceOrientationLandscapeLeft*//**UIDeviceOrientationUnknown,UIDeviceOrientationPortrait,            // Device oriented vertically, home button on the bottomUIDeviceOrientationPortraitUpsideDown,  // Device oriented vertically, home button on the topUIDeviceOrientationLandscapeLeft,       // Device oriented horizontally, home button on the rightUIDeviceOrientationLandscapeRight,      // Device oriented horizontally, home button on the leftUIDeviceOrientationFaceUp,              // Device oriented flat, face upUIDeviceOrientationFaceDown             // Device oriented flat, face down*/switch ([UIDevice currentDevice].orientation){case UIDeviceOrientationPortraitUpsideDown:// DLog(@"设备倒垂直，home在上")[self locationChange:@"Down"];break;case UIDeviceOrientationLandscapeLeft:{//  DLog(@"设备横屏，左转，home在右")[self locationChange:@"left"];}break;case UIDeviceOrientationLandscapeRight:{
//            DLog(@"设备横屏，右转，home在左")[self locationChange:@"right"];}break;case UIDeviceOrientationPortrait:{
//            DLog(@"设备垂直，home在下");[self locationChange:@"Portrait"];}break;default:break;}
}
//根据屏幕宽高改变按钮位置比例
- (void)locationChange:(NSString *)message{
//    NSLog(@"changeHig == %f,changeWid == %f",changeHig,changeWid);if (SCREEN_HEIGHT > SCREEN_WIDTH) {//屏幕方向上if ([message isEqualToString:@"Portrait"]) {NSLog(@"安全区在上边");self.center = CGPointMake(changeWid * SCREEN_WIDTH, changeHig * SCREEN_HEIGHT);}else{//下NSLog(@"安全区在下边");self.center = CGPointMake(changeWid * SCREEN_WIDTH, changeHig * SCREEN_HEIGHT - [self vg_safeDistanceTop]);}}else{if ([message isEqualToString:@"left"]) {//左NSLog(@"安全区在左边");self.center = CGPointMake(changeWid * SCREEN_WIDTH + [self vg_safeDistanceTop] + ViewSize, changeHig * SCREEN_HEIGHT);}else{//右NSLog(@"安全区在右边");self.center = CGPointMake(changeWid * SCREEN_WIDTH - [self vg_safeDistanceTop] - ViewSize, changeHig * SCREEN_HEIGHT);}}
//    NSLog(@"lastPoint == %@, self.center == %@",NSStringFromCGPoint(lastPoint),NSStringFromCGPoint(self.center));[self changeCoordinateScale];}
//旋转屏幕后修改悬浮窗相对于屏幕的宽高比例以及坐标位置
- (void)changeCoordinateScale{changeHig = self.center.y/SCREEN_HEIGHT;changeWid = self.center.x/SCREEN_WIDTH;//判断设备旋转方向if (self.orientation == UIInterfaceOrientationLandscapeRight) {//横向home键在右侧，设备左转，刘海在左边，刘海在左边//判断悬浮窗坐标x在屏幕的左边还是右边if (self.center.x > SCREEN_WIDTH/2) {//大于中心x，在右边//修改悬浮窗的坐标在最右边self.center = CGPointMake(SCREEN_WIDTH, self.center.y);}else{//修改悬浮窗的坐标在最左边self.center = CGPointMake([self vg_safeDistanceTop] + ViewSize + 20, self.center.y);}}else if(self.orientation == UIInterfaceOrientationLandscapeLeft){//横向home键在左侧，设备右转，刘海在右边if (self.center.x > SCREEN_WIDTH/2) {//大于中心x，在右边//修改悬浮窗的坐标在最右边，留出顶部安全距离self.center = CGPointMake(SCREEN_WIDTH - [self vg_safeDistanceTop] - ViewSize - 20, self.center.y);}else{//修改悬浮窗的坐标在最左边self.center = CGPointMake(0, self.center.y);}}else{//大于中心x，在右边if (self.center.x > SCREEN_WIDTH/2) {self.center = CGPointMake(SCREEN_WIDTH, self.center.y);}else{self.center = CGPointMake(0, self.center.y);}}
//    NSLog(@"changeHig == %f,changeWid == %f",changeHig,changeWid);
//    NSLog(@"设备宽度 == %f, 设备高度== %f, 按钮坐标==%@",SCREEN_WIDTH,SCREEN_HEIGHT,NSStringFromCGPoint(self.center));
}
- (void)showSuspendView{self.hidden = NO;NSLog(@"显示悬浮窗");
}
- (void)dismissSuspendView{self.hidden = YES;NSLog(@"隐藏悬浮窗");
}
/// 悬浮窗按钮点击放法
/// @param button 点击之后完全显示悬浮窗，改变按钮位置
- (void)btnClick:(UIButton *)button{if (self.delegate && [self.delegate respondsToSelector:@selector(suspendViewButtonClick:)]) {[self.delegate suspendViewButtonClick:button];}
//    DLog(@"lastPoint == %@",NSStringFromCGPoint(lastPoint));//如果没有改变过位置，lastPoint初始值（0，0）//判断是否移动过悬浮窗if (!isChangePosition) {//悬浮窗初始位置在右上角，只有屏幕向右旋转，才需要留出iphone刘海的位置，设备左转刘海在左边，所以不需要做判断if (self.orientation == UIInterfaceOrientationLandscapeLeft) {//横向home键在左侧，设备右转，刘海在右边//修改点击后悬浮窗的位置，留出安全距离[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH - [self vg_safeDistanceTop] - ViewSize - 20 - 20, self.center.y);}];}else{[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH - ViewSize, self.center.y);}];}}else{
//        判断最后的坐标是靠左还是靠右if (self.orientation == UIInterfaceOrientationLandscapeRight) {//横向home键在右侧，设备左转，刘海在左边if (self.center.x > SCREEN_WIDTH/2) {//悬浮窗在屏幕右侧[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH - ViewSize, self.center.y);}];}else{//左转刘海在左边，留出安全距离[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake([self vg_safeDistanceTop] + ViewSize + 20 + 20, self.center.y);}];}}else if(self.orientation == UIInterfaceOrientationLandscapeLeft){//横向home键在左侧，设备右转，刘海在右边if (self.center.x > SCREEN_WIDTH/2) {//悬浮窗在屏幕右侧，留出刘海安全距离[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH - [self vg_safeDistanceTop] - ViewSize - 20 - 20, self.center.y);}];}else{//左侧显示[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(ViewSize, self.center.y);}];}}else{if (self.center.x < SCREEN_WIDTH/2) {//悬浮窗在屏幕右侧[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(ViewSize, self.center.y);}];}else{[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH - ViewSize, self.center.y);}];}}}self.alpha = 1;//三秒后隐藏悬浮窗,贴边展示一半self.timer = [NSTimer scheduledTimerWithTimeInterval:3 target:self selector:@selector(timerAction) userInfo:nil repeats:NO];
}- (void)timerAction{//隐藏悬浮球self.alpha = 0.5;//判断是否移动过悬浮窗if (!isChangePosition) {//悬浮窗初始位置在右上角，只有屏幕向右旋转，才需要留出iphone刘海的位置，设备左转刘海在左边，所以不需要做判断if (self.orientation == UIInterfaceOrientationLandscapeLeft) {//横向home键在左侧，设备右转，刘海在右边[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH - [self vg_safeDistanceTop] - ViewSize - 20, self.center.y);}];}else{[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH, self.center.y);}];}}else{if (self.orientation == UIInterfaceOrientationLandscapeRight) {//横向home键在右侧，设备左转，刘海在左边if (self.center.x > SCREEN_WIDTH/2) {//悬浮窗在屏幕右侧[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH, self.center.y);}];}else{//悬浮窗在屏幕左侧，留出刘海安全距离[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake([self vg_safeDistanceTop] + ViewSize + 20, self.center.y);}];}}else if(self.orientation == UIInterfaceOrientationLandscapeLeft){//横向home键在左侧，设备右转，刘海在右边if (self.center.x > SCREEN_WIDTH/2) {//悬浮窗在屏幕右侧//悬浮窗在屏幕左侧，留出刘海安全距离[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH - [self vg_safeDistanceTop] - ViewSize - 20, self.center.y);}];}else{[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(0, self.center.y);}];}}else{if (self.center.x > SCREEN_WIDTH/2) {//悬浮窗在屏幕右侧[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(SCREEN_WIDTH, self.center.y);}];}else{[UIView animateWithDuration:0.5 animations:^{self.center = CGPointMake(0, self.center.y);}];}}}//销毁定时器[self.timer invalidate];self.timer = nil;
}/// pan手势
/// @param recognizer recognizer description
- (void)handlePanGesture:(UIPanGestureRecognizer *)recognizer
{//移动状态UIGestureRecognizerState recState =  recognizer.state;isChangePosition = YES;switch (recState) {case UIGestureRecognizerStateBegan:self.alpha = 1;self.imageView.hidden = NO;break;case UIGestureRecognizerStateChanged://移动中{self.alpha = 1;CGPoint translation = [recognizer translationInView:self];recognizer.view.center = CGPointMake(recognizer.view.center.x + translation.x, recognizer.view.center.y + translation.y);CGRect rect = [self convertRect:self.frame toView:self];if (CGRectIntersectsRect(self.imageView.frame, rect)) {//在范围内self.imageView.backgroundColor = UIColor.redColor;}else{self.imageView.backgroundColor = UIColor.blueColor;}}break;case UIGestureRecognizerStateEnded://移动结束{self.alpha = 0.5;CGPoint stopPoint = CGPointMake(0, SCREEN_HEIGHT / 2);//判断按钮贴靠在屏幕的左边还是右边if (recognizer.view.center.x < SCREEN_WIDTH / 2) {stopPoint = CGPointMake(ViewSize/2, recognizer.view.center.y);}else{//贴靠在右边stopPoint = CGPointMake(SCREEN_WIDTH - ViewSize/2,recognizer.view.center.y);}DLog(@"stopPoint == %@",NSStringFromCGPoint(stopPoint));if (stopPoint.y - ViewSize/2 <= 0) {DLog(@"上");//加上电池栏的高度if (stopPoint.x - ViewSize/2 <= SCREEN_WIDTH/2) {stopPoint = CGPointMake(0, stopPoint.y + [self vg_safeDistanceTop] + ViewSize);DLog(@"左上");}else{DLog(@"右上");stopPoint = CGPointMake(SCREEN_WIDTH, stopPoint.y + [self vg_safeDistanceTop] + ViewSize);}}//如果按钮超出屏幕边缘if (stopPoint.y + ViewSize + 20 >= SCREEN_HEIGHT) {DLog(@"下");//减去底部状态栏的高度if (stopPoint.x - ViewSize/2 <= SCREEN_WIDTH/2) {DLog(@"左下");stopPoint = CGPointMake(0, stopPoint.y - [self vg_safeDistanceBottom] - ViewSize/2);}else{DLog(@"右下");stopPoint = CGPointMake(SCREEN_WIDTH, stopPoint.y - [self vg_safeDistanceBottom] - ViewSize/2);}
//                DLog(@"超出屏幕下方");}if (stopPoint.x - ViewSize/2 <= 0) {DLog(@"左");
//                stopPoint = CGPointMake(ViewSize/2, stopPoint.y);//缩进去一半stopPoint = CGPointMake(0, stopPoint.y);}if (stopPoint.x + ViewSize/2 >= SCREEN_WIDTH) {DLog(@"右");
//                stopPoint = CGPointMake(SCREEN_WIDTH - ViewSize/2, stopPoint.y);stopPoint = CGPointMake(SCREEN_WIDTH, stopPoint.y);}//保存最后的位置lastPoint = stopPoint;//隐藏悬浮球CGRect rect = [self convertRect:self.frame toView:self];if (CGRectIntersectsRect(self.imageView.frame, rect)) {//在范围内DLog(@"悬浮窗在中心imageview内，提示是否隐藏悬浮窗");
//                [self showAlertView];[self.delegate showHideAlertView];}
//            NSLog(@"self.orientation == %ld",(long)self.orientation);if (self.orientation == UIInterfaceOrientationLandscapeRight) {//横向home键在右侧，设备左转，刘海在左边if (stopPoint.x > SCREEN_WIDTH/2) {//悬浮窗在屏幕右侧[UIView animateWithDuration:0.5 animations:^{recognizer.view.center = CGPointMake(SCREEN_WIDTH, stopPoint.y);}];}else{//悬浮窗在屏幕左侧，留出刘海安全距离[UIView animateWithDuration:0.5 animations:^{recognizer.view.center = CGPointMake([self vg_safeDistanceTop] + ViewSize + 20, stopPoint.y);}];}}else if(self.orientation == UIInterfaceOrientationLandscapeLeft){//横向home键在左侧，设备右转，刘海在右边if (stopPoint.x > SCREEN_WIDTH/2) {//悬浮窗在屏幕右侧//悬浮窗在屏幕左侧，留出刘海安全距离[UIView animateWithDuration:0.5 animations:^{recognizer.view.center = CGPointMake(SCREEN_WIDTH - [self vg_safeDistanceTop] - ViewSize - 20, stopPoint.y);}];}else{[UIView animateWithDuration:0.5 animations:^{recognizer.view.center = CGPointMake(0, stopPoint.y);}];}}else{[UIView animateWithDuration:0.5 animations:^{recognizer.view.center = stopPoint;}];}[self changeCoordinateScale];self.imageView.hidden = YES;}break;default:break;}[recognizer setTranslation:CGPointMake(0, 0) inView:self];
}//获取头部安全区高度
- (CGFloat)vg_safeDistanceTop {if (@available(iOS 13.0, *)) {NSSet *set = [UIApplication sharedApplication].connectedScenes;UIWindowScene *windowScene = [set anyObject];UIWindow *window = windowScene.windows.firstObject;return window.safeAreaInsets.top;} else if (@available(iOS 11.0, *)) {UIWindow *window = [UIApplication sharedApplication].windows.firstObject;return window.safeAreaInsets.top;}return 0;
}//获取设备底部安全区高度
- (CGFloat)vg_safeDistanceBottom {if (@available(iOS 13.0, *)) {NSSet *set = [UIApplication sharedApplication].connectedScenes;UIWindowScene *windowScene = [set anyObject];UIWindow *window = windowScene.windows.firstObject;return window.safeAreaInsets.bottom;} else if (@available(iOS 11.0, *)) {UIWindow *window = [UIApplication sharedApplication].windows.firstObject;return window.safeAreaInsets.bottom;}return 0;
}- (UIImageView *)imageView{if (!_imageView) {_imageView = [[UIImageView alloc]initWithFrame:CGRectMake((SCREEN_WIDTH - 50)/2, (SCREEN_HEIGHT - 50)/2, 50, 50)];_imageView.backgroundColor = UIColor.blueColor;_imageView.hidden = YES;[[UIApplication sharedApplication].keyWindow addSubview:_imageView];}return _imageView;
}@end

 ​​​​​​​


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