add Exposure

GMPhobos/Classes/GMExposureManager.h

+//
+//  GMExposureManager.h
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/21.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "UIView+Tracker.h"
+#import "UIScrollView+Tracker.h"
+#import "UIViewController+Tracker.h"
+#import "NSObject+Tracker.h"
+/**
+ * 精准曝光
+ * 开始曝光时机：1、页面出现 2、退到后台
+ */
+typedef NS_ENUM(NSInteger, GMExpoUploadMode) {
+    GMExpoUploadModeImmediate   = 0,// 立即上报
+    GMExpoUploadModePage        = 1,// 按页面上报
+    GMExpoUploadModeApp         = 2 // 按App上报
+};// 精准曝光数据上报模式
+
+typedef NS_ENUM(NSInteger, GMViewTrackerType) {
+    GMViewTrackerTypeUIViewSetHidden            = 0,
+    GMViewTrackerTypeUIViewSetAlpha             = 1,
+    GMViewTrackerTypeUIViewDidMoveToWindow      = 2,
+    GMViewTrackerTypeUIScrollContentOffset      = 3,
+    GMViewTrackerTypeUIScrollDragging           = 4,
+    GMViewTrackerTypeUIViewSetExposure          = 5,
+    GMViewTrackerTypeUIViewEnterForeground      = 6,
+    GMViewTrackerTypeUIViewDidAppear            = 7,
+    GMViewTrackerTypeUIViewDidDisappear         = 8,
+    GMViewTrackerTypeUIViewWillResignActive     = 9
+}; // 记录方式
+
+@interface GMExposureManager : NSObject
+/// 设置上报数据地址
+@property (nonatomic, copy) NSString *uploadExposureAPI;
+/**
+ * 精准曝光数据上报模式
+ * 默认为 GMExpoUploadModePage
+ */
+@property (nonatomic, assign) GMExpoUploadMode uploadMode;
+
+/** view出现的屏幕的占比 默认0.01f */
+@property (nonatomic, assign) CGFloat exposureDimThreshold;// view visble in size > exposureDimThreshold
+/** 曝光最少时长 默认0.01s (目前暂未使用)*/
+@property (nonatomic, assign) NSTimeInterval exposureMinDuration;// view duration > exposureMinDuration
+@property (nonatomic, assign) BOOL inBackground;// 当前App是否进入后台
+@property (nonatomic, assign) BOOL ignoreTrackModel;// 是否需要忽略滚动模式
+
+
+/**
+ GMExposureManager
+
+ @return sharedManager
+ */
++ (instancetype)sharedManager;
+
+#pragma mark - Deal Tracker
+/**
+ * 结束所有页面的曝光并上报
+ * 会先将所有页面上正在曝光的View置为end,再进行数据上传
+ */
+- (void)endExpoTrcakerForAllPage;
+
+/**
+ * 结束指定页面的曝光并上报
+ * 会先将指定页面上正在曝光的View置为end,再进行数据上传
+ * 多用于下拉刷新前需要曝光当前的vc的数据
+
+ @param pageCtrl 指定页面
+ */
+- (void)endExpoTrcakerForPageCtrl:(UIViewController *)pageCtrl;
+
+#pragma mark - Deal Data
+/**
+ 上传指定页面的曝光数据
+ 
+ @param pageName 指定页面
+ */
+- (void)uploadExposureDataForPage:(UIViewController *)pageCtrl;
+
+/**
+ 上传所有页面的曝光数据
+ */
+- (void)uploadAllExposureData;
+
+// 存储曝光数据
+- (void)startStoreExposureData;
+
+/**
+ 清理指定页面的曝光数据
+ 
+ @param pageName 指定页面
+ */
+- (void)clearExposureDataForPage:(UIViewController *)pageCtrl;
+
+// 清理当前数据
+- (void)clearAllExposureData;
+/**
+ 当前View上是否有需要精准曝光的数据
+ 
+ @param view View
+ @return yes/no
+ */
++ (BOOL)haveExposureForView:(UIView *)view;
+
+#pragma mark - View Visible/UnVisibel
+/**
+获取当前View的可见状态
+
+@param view view
+@param 可见状态
+*/
++ (BOOL)isViewVisible:(UIView *)view;
+
+/**
+ 设置当前view是否可见状态
+ 
+ @param view view
+ @param recursive 是否递归子view
+ @param ignoreTracking 是否忽略手势滚动时追踪
+ */
++ (void)fetchViewForVisibleState:(UIView *)view  trackerType:(GMViewTrackerType)trackerType recursive:(BOOL)recursive;
+
+/** 设置view的曝光状态
+ * view 可见 && 状态none或者end——> 开始曝光
+ * view 可见 && 状态start——> 正在曝光,不做处理
+ * view 不可见 && 状态start ——> 结束曝光
+ * view 不可见 && 状态none或者end ——> 不做处理
+ */
+- (void)exposureStatusForView:(UIView *)view inPageCtrl:(UIViewController *)inPageCtrl;
+@end

GMPhobos/Classes/GMExposureModel.h

+//
+//  GMExposureModel.h
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/25.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+// 基于页面的精准曝光Item
+@interface GMExposureItemModel : NSObject
+/** 记录上滑总次数 */
+@property (nonatomic, assign) NSInteger up_slide_times;
+/** 记录下滑总次数 */
+@property (nonatomic, assign) NSInteger down_slide_times;
+/** 记录向上加载总次数 */
+@property (nonatomic, assign) NSInteger up_loading_times;
+/** 记录向下加载总次数 */
+@property (nonatomic, assign) NSInteger down_loading_times;
+/** 当前tab_name */
+@property (nonatomic, copy) NSString *tab_name;
+/** 当前page_name */
+@property (nonatomic, copy) NSString *page_name;
+/** 当前business_id */
+@property (nonatomic, copy) NSString *business_id;
+/** 当前referrer */
+@property (nonatomic, copy) NSString *referrer;
+/** 当前referrer */
+@property (nonatomic, copy) NSString *referrerId;
+/** 当前filter_f */
+@property (nonatomic, copy) NSString *filter_f;
+/** 曝光卡片数据 */
+@property (nonatomic, strong) NSMutableArray *exposure_cards;
+/** 是否精准曝光 */
+@property (nonatomic, copy) NSString *is_exposure;
+
+@end
+
+

GMPhobos/Classes/GMExposureModel.m

+//
+//  GMExposureModel.m
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/25.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "GMExposureModel.h"
+@implementation GMExposureItemModel
+
+- (instancetype)init {
+    if (self = [super init]) {
+        _exposure_cards = [NSMutableArray array];
+        _is_exposure = @"1";
+    }
+    return self;
+}
+
+@end

GMPhobos/Classes/GMExposureProtocol.h

+//
+//  GMExposureProtocol.h
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/21.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+typedef NS_ENUM(NSInteger, GMViewExpoStatus) {
+    GMViewExpoStatusNone    = 0,// 无状态
+    GMViewExpoStatusStart   = 1,// 开始曝光
+    GMViewExpoStatusIng     = 2,// 正在曝光(暂未使用，暂时先保留)
+    GMViewExpoStatusEnd     = 3 // 结束曝光
+};
+
+@protocol GMViewExposureProtocol <NSObject>
+@property (nonatomic, weak) UIViewController *pageCtrl;// 当前view所在页面
+/** view别名 */
+@property (nonatomic, copy) NSString *viewName;
+/** view别名 */
+@property (nonatomic, copy) NSString *inTime;
+/** view别名 */
+@property (nonatomic, copy) NSString *outTime;
+/** 绝对位置 */
+@property (nonatomic, copy) NSString *absolute_position;
+/** 相对位置(相对屏幕所在位置)*/
+@property (nonatomic, copy) NSString *relative_position;
+/** 额外参数*/
+@property (nonatomic, strong) NSDictionary *extra_param;
+/** 曝光状态 */
+@property (nonatomic, assign) GMViewExpoStatus expoStatus;
+
+@end
+
+@protocol GMPageExposureProtocol <NSObject>
+
+@property (nonatomic, assign) BOOL needExpo;// 页面需要精准曝光
+
+/** 记录上滑总次数 */
+@property (nonatomic, assign) NSInteger up_slide_times;
+/** 记录下滑总次数 */
+@property (nonatomic, assign) NSInteger down_slide_times;
+/** 记录向上加载总次数 */
+@property (nonatomic, assign) NSInteger up_loading_times;
+/** 记录向下加载总次数 */
+@property (nonatomic, assign) NSInteger down_loading_times;
+/** 额外参数 */
+@property (nonatomic, strong) NSDictionary *extra_param;
+
+@end
+
+
+
+@protocol GMExposureProtocol <NSObject>
+
+/** 精准曝光数据 */
+@property (nonatomic, strong) NSDictionary *exposure;
+
+@end

GMPhobos/Classes/NSObject+Swizzle.h

+//
+//  GMHookTool.h
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/19.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+#define MethodSwizzlerReplacement(returntype, selftype, ...) ^ returntype (__unsafe_unretained selftype self, ##__VA_ARGS__)
+#define MethodSwizzlerReplacementProviderBlock ^ id (IMP original, __unsafe_unretained Class swizzledClass, SEL _cmd)
+#define MethodSwizzlerOriginalImplementation(functype, ...) do{\
+                                                                if (original)\
+                                                                ((functype)original)(self, _cmd, ##__VA_ARGS__);\
+                                                            }while(0);
+
+typedef id (^MethodSwizzlerProvider)(IMP original, __unsafe_unretained Class swizzledClass, SEL selector);
+
+OBJC_EXTERN BOOL deswizzleAll(void);
+
+@interface NSObject (SwizzleMethod)
+
+/**
+ swizzleClassMethod
+
+ @param selector swizzleClass selector
+ @param replacementProvider replacementProvider
+ */
++ (void)swizzleClassMethod:(SEL)selector withReplacement:(MethodSwizzlerProvider)replacementProvider;
+
+/**
+ swizzleInstanceMethod
+
+ @param selector swizzleInstanceMethod selector
+ @param replacementProvider replacementProvider
+ */
++ (void)swizzleInstanceMethod:(SEL)selector withReplacement:(MethodSwizzlerProvider)replacementProvider;
+
+/**
+ Swizzle the specified instance method with another selector
+ 
+ @param selector         Selector of the method to swizzle.
+ @param swizzledSelector Selector of the new method will be swizzled.
+ */
++ (void)swizzleInstanceMethod:(SEL)selector withSelector:(SEL)swizzledSelector;
+
+/**
+ Swizzle the specified class method with another selector
+ 
+ @param selector         Selector of the method to swizzle.
+ @param swizzledSelector Selector of the new method will be swizzled.
+ */
++ (void)swizzleClassMethod:(SEL)selector withSelector:(SEL)swizzledSelector;
+
+
+/**
+ Swizzle the specified instance method with another swizzledClass swizzledMethod
+
+ @param originalClass originalClass
+ @param originalSel originalSel
+ @param swizzledClass swizzledClass
+ @param swizzledSelector swizzledSelector
+ @param noneSel noneSel
+ */
++ (void)swizzelInstanceMethodForClass:(Class)originalClass originalSel:(SEL)originalSel swizzledClass:(Class)swizzledClass swizzledSelector:(SEL)swizzledSelector noneSel:(SEL)noneSel;
+
+@end
+
+@interface NSObject (DeSwizzleMethod)
+/**
+ Restore the specified class method by removing all swizzles.
+ 
+ @param selector Selector of the swizzled method.
+ 
+ @return \c YES if the method was successfully restored, \c NO if the method has never been swizzled.
+ 
+ */
++ (BOOL)deswizzleClassMethod:(SEL)selector;
+
+/**
+ Restore the specified class method by removing all swizzles.
+ 
+ @param selector Selector of the swizzled method.
+ 
+ @return \c YES if the method was successfully restored, \c NO if the method has never been swizzled.
+ 
+ */
+
++ (BOOL)deswizzleInstanceMethod:(SEL)selector;
+
+/**
+ Restore all swizzled class methods.
+ 
+ @return \c YES if the method was successfully restored, \c NO if no method has never been swizzled
+ 
+ */
+
++ (BOOL)deswizzleAllClassMethods;
+
+/**
+ Restore all swizzled instance methods.
+ 
+ @return \c YES if the method was successfully restored, \c NO if no method has never been swizzled.
+ 
+ */
+
++ (BOOL)deswizzleAllInstanceMethods;
+
+/**
+ Restore all swizzled class and instance methods.
+ 
+ @return \c YES if the method was successfully restored, \c NO if no method has never been swizzled.
+ */
+
++ (BOOL)deswizzleAllMethods;
+@end
+
+@interface GMHookTool : NSObject
+
+//判断页面是否实现了某个sel
++ (BOOL)isContainSel:(SEL)sel inClass:(Class)className;
+@end
+
+@interface GMWeakObject : NSObject
+@property (nonatomic, weak) id obj;
+
+- (instancetype)initWithObj:(id)obj;
+@end
+

GMPhobos/Classes/NSObject+Tracker.h

+//
+//  NSObject+Tracker.h
+//  GMPhobos
+//
+//  Created by Mikasa on 2020/5/9.
+//
+
+#import <Foundation/Foundation.h>
+#import "GMExposureProtocol.h"
+NS_ASSUME_NONNULL_BEGIN
+
+@interface NSObject (Tracker)<GMExposureProtocol>
+
+@end
+
+NS_ASSUME_NONNULL_END

GMPhobos/Classes/NSObject+Tracker.m

+//
+//  NSObject+Tracker.m
+//  GMPhobos
+//
+//  Created by Mikasa on 2020/5/9.
+//
+
+#import "NSObject+Tracker.h"
+#import <objc/runtime.h>
+@implementation NSObject (Tracker)
+
+#pragma mark - Exposure
+- (void)setExposure:(NSDictionary *)exposure {
+    
+    objc_setAssociatedObject(self, @selector(exposure), exposure, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (NSDictionary *)exposure {
+    return objc_getAssociatedObject(self, @selector(exposure));
+}
+
+@end

GMPhobos/Classes/PhobosSendManager.m

@@ -11,12 +11,7 @@
 #import "PhobosConfig.h"
 #import "Phobos.h"
 #import "PhobosUtil.h"
-
-#ifdef APPSTORE
-#define GMExactExposureApi @"https://log.igengmei.com/log/precise_exposure"
-#else
-#define GMExactExposureApi @"http://log.test.igengmei.com/log/precise_exposure"
-#endif
+#import "GMExposureManager.h"
 
 @implementation PhobosSendManager
 
@@ -44,7 +39,7 @@
             }
         }];
     }
-    NSString *exposureAPI = GMExactExposureApi;
+    NSString *exposureAPI = [GMExposureManager sharedManager].uploadExposureAPI;
     NSArray *exposureArray = [GMCache fetchObjectAtDocumentPathWithkey:[PhobosUtil MD5String:exposureAPI]];
     if (exposureArray.count > 0) {
         /** 获取非灰度下发送失败的埋点，进行发送 */

GMPhobos/Classes/UIScrollView+Tracker.h

+//
+//  UIScrollView+Tracker.h
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/19.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+@interface UIScrollView (Tracker)
+
+@property (nonatomic, assign) CGFloat preContentOffsetY;// 记录历史滚动的ContentOffset的Y值
+
+
+/// 计算当前列表上滑/下拉次数，自动进行+1
+- (void)calculateUpOrDownTimes;
+
+@end
+
+@interface UITableView (Tracker)
+
+
+@end
+
+@interface UICollectionView (Tracker)
+
+@end
+
+
+

GMPhobos/Classes/UIScrollView+Tracker.m

+//
+//  UIScrollView+Tracker.m
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/19.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "UIScrollView+Tracker.h"
+#import "UIViewController+Tracker.h"
+#import "NSObject+Swizzle.h"
+#import "GMExposureManager.h"
+#import <objc/runtime.h>
+
+@implementation UIScrollView (Tracker)
+
+- (void)calculateUpOrDownTimes {
+    
+    if (self.preContentOffsetY == self.contentOffset.y) {
+        return;
+    }
+    // 判断滚动方向
+    if (self.preContentOffsetY < self.contentOffset.y) {
+        self.pageCtrl.up_slide_times++;
+    } else {
+        self.pageCtrl.down_slide_times++;
+    }
+}
+
+#pragma mark - Add Method
+- (void)setPreContentOffsetY:(CGFloat)preContentOffsetY {
+    
+    objc_setAssociatedObject(self, @selector(preContentOffsetY), @(preContentOffsetY), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (CGFloat)preContentOffsetY {
+    return [objc_getAssociatedObject(self, @selector(preContentOffsetY)) floatValue];
+}
+
+@end
+
+@implementation UITableView (Tracker)
+
++ (void)load {
+    [self swizzleInstanceMethod:@selector(reloadData) withSelector:@selector(swizzle_reloadData)];
+}
+
+- (void)swizzle_reloadData {
+
+    [self swizzle_reloadData];
+
+    if (self.pageCtrl.needExpo) {
+        __weak typeof(self)weakSelf = self;
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [GMExposureManager fetchViewForVisibleState:weakSelf
+                                            trackerType:GMViewTrackerTypeUIViewSetExposure recursive:YES];
+        });
+    }
+}
+
+@end
+
+@implementation UICollectionView (Tracker)
+
++ (void)load {
+    [self swizzleInstanceMethod:@selector(reloadData) withSelector:@selector(swizzle_reloadData)];
+}
+
+- (void)swizzle_reloadData {
+    
+    [self swizzle_reloadData];
+
+    if (self.pageCtrl.needExpo) {
+        __weak typeof(self)weakSelf = self;
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [GMExposureManager fetchViewForVisibleState:weakSelf
+                                            trackerType:GMViewTrackerTypeUIViewSetExposure recursive:YES];
+        });
+    }
+}
+
+@end
+
+
+
+

GMPhobos/Classes/UIView+Tracker.h

+//
+//  UIView+Tracker.h
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/21.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "GMExposureProtocol.h"
+
+@interface UIView (Tracker)<GMViewExposureProtocol>
+
+@property (nonatomic, assign) BOOL visibleView;// 是否是可见View
+
+#pragma mark - View Method
+/**
+ 获取指定View所在的Controller
+
+ @param view 指定View
+ @return 当前所在Controller
+ */
++ (UIViewController *)currentControllerForView:(UIView *)view;
+
+/**
+ 获取曝光卡片所在的位置
+*/
+- (void)fechExposurePositionForView;
+
+- (void)synchronizePageTimesToOther:(UIView *)otherView;
+@end

GMPhobos/Classes/UIView+Tracker.m

+//
+//  UIView+Tracker.m
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/21.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "UIView+Tracker.h"
+#import "UIViewController+Tracker.h"
+#import "NSObject+Swizzle.h"
+#import "PhobosUtil.h"
+#import "GMExposureModel.h"
+#import <objc/runtime.h>
+
+@implementation UIView (Tracker)
+
+#pragma mark - View Method
+/**
+ 获取指定View所在的Controller
+ 
+ @param view 指定View
+ @return 当前所在Controller
+ */
++ (UIViewController *)currentControllerForView:(UIView *)view {
+    
+    UIViewController *currentCtrl;
+    UIResponder *responder = [view.superview nextResponder];
+    while (responder && ![responder isKindOfClass:[UIViewController class]]) {
+        responder = [responder nextResponder];
+    }
+    currentCtrl = (UIViewController *)responder;
+    return currentCtrl;
+}
+
+/**
+ 获取曝光卡片所在的位置
+ */
+- (void)fechExposurePositionForView {
+    
+        UIView *view = self;
+        NSInteger absolute_position = [PhobosUtil isNonEmpty:self.absolute_position]?self.absolute_position.integerValue : 0;
+        UIView *current = (UIView *)view;
+        UIView *tempView = view;
+        
+        while ([current isKindOfClass:[UIView class]] && (current != view.pageCtrl.view)) {
+            
+            if ([current isKindOfClass:[UITableViewCell class]]) {
+                tempView = current;
+            }
+            if ([current isKindOfClass:[UICollectionViewCell class]]) {
+                tempView = current;
+            }
+            if ([current isKindOfClass:[UITableView class]]) {
+                UITableView *tableView = (UITableView *)current;
+                UITableViewCell *cell = (UITableViewCell *)tempView;
+                
+                if ([tableView.visibleCells containsObject:cell]) {
+                    NSIndexPath *indexPath = [tableView indexPathForCell:cell];
+                    if (indexPath) {
+                        // 当有多个分组时，将position转化为绝对路径的position，一维数组
+                        if (tempView == view) {
+                            absolute_position = indexPath.row;
+                            for (NSInteger i = 0; i < indexPath.section; i++)  {
+                                absolute_position += [tableView numberOfRowsInSection:i];
+                            }
+                        }
+                        NSInteger relative_position = 0;
+                        if ([[tableView visibleCells] containsObject:cell]) {
+                            relative_position = [[tableView visibleCells] indexOfObject:cell];
+                            view.relative_position = [NSString stringWithFormat:@"%zd",relative_position];
+                            break;
+                        }
+                    }
+                }
+            }
+            if ([current isKindOfClass:[UICollectionView class]]) {
+                UICollectionView *collectionView = (UICollectionView *)current;
+                UICollectionViewCell *cell = (UICollectionViewCell *)tempView;
+                if ([collectionView.visibleCells containsObject:cell]) {
+                    NSIndexPath *indexPath = [collectionView indexPathForCell:cell];
+                    if (indexPath) {
+                        // 当有多个分组时，将position转化为绝对路径的position，一维数组
+                        if (tempView == view) {
+                            absolute_position = indexPath.row;
+                            for (NSInteger i = 0; i < indexPath.section; i++) {
+                                absolute_position += [collectionView numberOfItemsInSection:i];
+                            }
+                        }
+                        
+                        NSInteger relative_position = 0;
+                        // UICollectionViewCell
+                        if ([[collectionView visibleCells] containsObject:cell]) {
+                            relative_position = [[collectionView visibleCells] indexOfObject:cell];
+                            view.relative_position = [NSString stringWithFormat:@"%zd",relative_position];
+                            break;
+                            //NSLog(@"%f---%f",relative_position,absolute_position);
+                        }
+                    }
+                }
+                
+            }
+            current = (UITableViewCell *)current.superview;
+        }
+        view.absolute_position = [NSString stringWithFormat:@"%zd",absolute_position];
+}
+
+// 将当前UIScrollView数据同步给另外一个otherScrollView
+- (void)synchronizePageTimesToOther:(UIView *)otherView {
+    
+    otherView.pageCtrl.up_slide_times = self.pageCtrl.up_slide_times;
+    otherView.pageCtrl.down_slide_times = self.pageCtrl.down_slide_times;
+    otherView.pageCtrl.up_loading_times = self.pageCtrl.up_loading_times;
+    otherView.pageCtrl.down_loading_times = self.pageCtrl.down_loading_times;
+}
+
+
+#pragma mark - GMViewExposureProtocol
+- (void)setVisibleView:(BOOL)visibleView {
+    
+    objc_setAssociatedObject(self, @selector(visibleView), @(visibleView), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (BOOL)visibleView {
+    return [objc_getAssociatedObject(self, @selector(visibleView)) boolValue];
+}
+
+- (void)setInTime:(NSString *)inTime {
+    objc_setAssociatedObject(self, @selector(inTime), inTime, OBJC_ASSOCIATION_COPY_NONATOMIC);
+}
+
+- (NSString *)inTime {
+    return objc_getAssociatedObject(self, @selector(inTime));
+}
+
+- (void)setOutTime:(NSString *)outTime {
+    objc_setAssociatedObject(self, @selector(outTime), outTime, OBJC_ASSOCIATION_COPY_NONATOMIC);
+}
+
+- (NSString *)outTime {
+    return objc_getAssociatedObject(self, @selector(outTime));
+}
+
+- (void)setAbsolute_position:(NSString *)absolute_position {
+    objc_setAssociatedObject(self, @selector(absolute_position), absolute_position, OBJC_ASSOCIATION_COPY_NONATOMIC);
+}
+
+- (NSString *)absolute_position {
+    return objc_getAssociatedObject(self, @selector(absolute_position));
+}
+
+- (void)setRelative_position:(NSString *)relative_position {
+    objc_setAssociatedObject(self, @selector(relative_position), relative_position, OBJC_ASSOCIATION_COPY_NONATOMIC);
+}
+
+- (NSString *)relative_position {
+    return objc_getAssociatedObject(self, @selector(relative_position));
+}
+
+- (void)setPageCtrl:(UIViewController *)pageCtrl {
+    GMWeakObject *obj = [[GMWeakObject alloc] initWithObj:pageCtrl];
+    objc_setAssociatedObject(self, @selector(pageCtrl), obj, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (UIViewController *)pageCtrl {
+    
+    GMWeakObject *weakObj = objc_getAssociatedObject(self, @selector(pageCtrl));
+    if (!weakObj.obj) {
+        weakObj.obj = [UIView currentControllerForView:self];
+    }
+    return weakObj.obj;
+}
+
+- (void)setViewName:(NSString *)viewName {
+    objc_setAssociatedObject(self, @selector(viewName), viewName, OBJC_ASSOCIATION_COPY_NONATOMIC);
+}
+
+- (NSString *)viewName {
+    return objc_getAssociatedObject(self, @selector(viewName));
+}
+
+- (void)setExpoStatus:(GMViewExpoStatus)expoStatus {
+    
+    objc_setAssociatedObject(self, @selector(expoStatus), @(expoStatus), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+
+    if (expoStatus == GMViewExpoStatusStart) {
+        
+    } else if (expoStatus == GMViewExpoStatusEnd) {
+        self.inTime = @"";
+        self.outTime = @"";
+        self.relative_position = @"";
+        self.absolute_position = @"";
+    }
+}
+
+- (GMViewExpoStatus)expoStatus {
+    return [objc_getAssociatedObject(self, @selector(expoStatus)) integerValue];
+}
+
+- (void)setExtra_param:(NSDictionary *)extra_param {
+    objc_setAssociatedObject(self, @selector(extra_param), extra_param, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (NSDictionary *)extra_param {
+    return objc_getAssociatedObject(self, @selector(extra_param));
+}
+@end

GMPhobos/Classes/UIViewController+Tracker.h

+//
+//  UIViewController+Tracker.h
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/25.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+#import "GMExposureProtocol.h"
+
+@interface UIViewController (Tracker)<GMPageExposureProtocol,UIScrollViewDelegate>
+
+@end
+

GMPhobos/Classes/UIViewController+Tracker.m

+//
+//  UIViewController+Tracker.m
+//  Gengmei
+//
+//  Created by Mikasa on 2019/6/25.
+//  Copyright © 2019 更美互动信息科技有限公司. All rights reserved.
+//
+
+#import "UIViewController+Tracker.h"
+#import "GMExposureManager.h"
+#import "NSObject+Swizzle.h"
+#import <objc/runtime.h>
+
+@implementation UIViewController (Tracker)
+
++ (void)load {
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+         [self startViewPageExpoTracker];
+    });
+}
+
++ (void)startViewPageExpoTracker {
+    
+    [self swizzleInstanceMethod:@selector(viewDidLoad) withSelector:@selector(swizzle_viewDidLoad)];
+    [self swizzleInstanceMethod:@selector(viewDidAppear:) withSelector:@selector(swizzle_viewDidAppear:)];
+    [self swizzleInstanceMethod:@selector(viewDidDisappear:) withSelector:@selector(swizzle_viewDidDisappear:)];
+    
+}
+
+- (void)swizzle_viewDidLoad {
+    
+    [self swizzle_viewDidLoad];
+    if (self.needExpo) {
+        self.view.pageCtrl = self;
+    }
+}
+
+- (void)swizzle_viewDidAppear:(BOOL)animated {
+    
+    [self swizzle_viewDidAppear:animated];
+    if (self.needExpo) {
+        self.view.pageCtrl = self;
+        [GMExposureManager fetchViewForVisibleState:self.view trackerType:GMViewTrackerTypeUIViewDidAppear recursive:YES];
+    }
+}
+
+- (void)swizzle_viewDidDisappear:(BOOL)animated {
+    
+    if (self.needExpo) {
+        [[GMExposureManager sharedManager] endExpoTrcakerForPageCtrl:self];
+    }
+    [self swizzle_viewDidDisappear:animated];
+}
+
+#pragma mark - UIScrollViewDelegate
+- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
+    
+    if (scrollView.pageCtrl.needExpo) {
+        scrollView.preContentOffsetY = scrollView.contentOffset.y;
+    }
+    
+}
+- (void)scrollViewDidEndDragging:(UIScrollView *)scrollView willDecelerate:(BOOL)decelerate {
+    
+    if (scrollView.pageCtrl.needExpo && !decelerate) {
+        [scrollView calculateUpOrDownTimes];
+        [GMExposureManager fetchViewForVisibleState:scrollView trackerType:GMViewTrackerTypeUIScrollDragging recursive:YES];
+    }
+}
+
+- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
+    
+    if (scrollView.pageCtrl.needExpo) {
+        
+        [scrollView calculateUpOrDownTimes];
+        [GMExposureManager fetchViewForVisibleState:scrollView trackerType:GMViewTrackerTypeUIScrollDragging recursive:YES];
+    }
+    
+}
+
+#pragma mark - GMPageExposureProtocol
+- (void)setNeedExpo:(BOOL)needExpo {
+    objc_setAssociatedObject(self, @selector(needExpo), @(needExpo), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (BOOL)needExpo {
+    return [objc_getAssociatedObject(self, @selector(needExpo)) boolValue];
+}
+
+- (void)setUp_slide_times:(NSInteger)up_slide_times {
+    objc_setAssociatedObject(self, @selector(up_slide_times), @(up_slide_times), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (NSInteger)up_slide_times {
+    return [objc_getAssociatedObject(self, @selector(up_slide_times)) integerValue];
+}
+
+- (void)setDown_slide_times:(NSInteger)down_slide_times {
+    objc_setAssociatedObject(self, @selector(down_slide_times), @(down_slide_times), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (NSInteger)down_slide_times {
+    return [objc_getAssociatedObject(self, @selector(down_slide_times)) integerValue];
+}
+
+- (void)setUp_loading_times:(NSInteger)up_loading_times {
+    objc_setAssociatedObject(self, @selector(up_loading_times), @(up_loading_times), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (NSInteger)up_loading_times {
+    return [objc_getAssociatedObject(self, @selector(up_loading_times)) integerValue];
+}
+
+- (void)setDown_loading_times:(NSInteger)down_loading_times {
+    objc_setAssociatedObject(self, @selector(down_loading_times), @(down_loading_times), OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (NSInteger)down_loading_times {
+    return [objc_getAssociatedObject(self, @selector(down_loading_times)) integerValue];
+}
+
+- (void)setExtra_param:(NSDictionary *)extra_param {
+    objc_setAssociatedObject(self, @selector(extra_param), extra_param, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
+}
+
+- (NSDictionary *)extra_param {
+    return objc_getAssociatedObject(self, @selector(extra_param));
+}
+@end