个播房背景显示优化，退房后停掉关注主播定时器

xplan-ios/Main/Room/View/BaseUIContainerView/XPRoomBackContainerView.m

@@ -22,6 +22,7 @@
 @interface XPRoomBackContainerView ()
 ///背景图片
 @property (nonatomic,strong) NetImageView *backImageView;
+///动态背景
 @property (nonatomic, strong) SVGAImageView *svgDisplayView;
 @property (nonatomic, strong) SVGAParserManager *parserManager;
 ///host 代理
@@ -43,8 +44,8 @@
 
 #pragma mark - Private Method
 - (void)initSubViews {
+    [self addSubview:self.backImageView];
     [self addSubview:self.svgDisplayView];
-	[self addSubview:self.backImageView];
 }
 
 - (void)initSubViewConstraints {
@@ -70,10 +71,8 @@
         ///MARK:更改图片拉伸策略 BY lvjunhang, 2018-12-03,原值为：UIViewContentModeScaleAspectFit
         self.backImageView.contentMode = UIViewContentModeScaleAspectFill;
         if ([roomInfo.backPic containsString:@".svga"]) { //房间背景是SVGA动态背景
-            self.backImageView.hidden = YES;
             self.svgDisplayView.hidden = NO;
             @weakify(self);
-            //@"https://img.erbanyy.com/Noble_OpenEffect_5.svga"
             [self.parserManager loadSvgaWithURL:[NSURL URLWithString:roomInfo.backPic] completionBlock:^(SVGAVideoEntity * _Nullable videoItem) {
                 @strongify(self);
                 if (videoItem != nil) {
@@ -100,12 +99,10 @@
         } else { //房间背景是静态背景
             [self.svgDisplayView stopAnimation];
             self.svgDisplayView.hidden = YES;
-            self.backImageView.hidden = NO;
             self.backImageView.imageUrl = roomInfo.backPic;
         }
     }else { //没有设置背景，显示默认背景加高斯模糊
         if (roomInfo.type == RoomType_Anchor) {
-            self.backImageView.hidden = YES;
             self.svgDisplayView.hidden = NO;
             @weakify(self);
             NSString *bgString = [[NSBundle mainBundle] pathForResource:@"anchor_room_bg" ofType:@"svga"];
@@ -135,8 +132,8 @@
             }];
             return;
         }
+        [self.svgDisplayView stopAnimation];
         self.svgDisplayView.hidden = YES;
-        self.backImageView.hidden = NO;
         self.backImageView.contentMode = UIViewContentModeScaleAspectFill;
     }
 }

xplan-ios/Main/Room/View/BaseUIContainerView/XPRoomFunctionContainerView.m

@@ -46,6 +46,13 @@
 @end
 
 @implementation XPRoomFunctionContainerView
+
+- (void)dealloc {
+    if (self.followAnchorTimer != nil) {
+        dispatch_source_cancel(self.followAnchorTimer);
+    }
+}
+
 - (instancetype)initWithdelegate:(id<RoomHostDelegate>)delegate {
 	self = [super init];
 	if (self) {
@@ -229,7 +236,10 @@
     dispatch_source_set_event_handler(self.followAnchorTimer, ^{
         dispatch_async(dispatch_get_main_queue(), ^{
             @strongify(self);
-            dispatch_source_cancel(self.followAnchorTimer);
+            if (self.followAnchorTimer != nil) {
+                dispatch_source_cancel(self.followAnchorTimer);
+                self.followAnchorTimer = nil;
+            }
             RoomInfoModel* roomInfo = self.delegate.getRoomInfo;
             NSString *roomUid = [NSString stringWithFormat:@"%zd", roomInfo.uid];
             NSString * uid = [[AccountInfoStorage instance] getUid];