fix:Retain Cycle by NSTimer

Wonderful.podspec

@@ -9,5 +9,6 @@ s.source = { :git => 'https://github.com/dsxNiubility/Wonderful.git', :tag => s.
 s.requires_arc = true
 s.ios.deployment_target = '7.0'
 s.source_files = 'Wonderful/*.{h,m}'
+s.dependency 'YYText'
 
 end

Wonderful/SXHeadLine.m

@@ -8,6 +8,7 @@
 
 #import "SXHeadLine.h"
 #import "SXColorGradientView.h"
+#import <YYText/YYTextWeakProxy.h>
 
 #define kSXHeadLineMargin 10
 
@@ -31,7 +32,7 @@ @interface SXHeadLine ()
 @property (nonatomic,copy  ) actionBlock           tapAction;
 @property (nonatomic,assign) SXMarqueeTapMode      tapMode;
 
-
+@property (nonatomic, strong) YYTextWeakProxy *weakProxy;
 @end
 @implementation SXHeadLine
 
@@ -74,6 +75,8 @@ - (void)removeCompoment{
 }
 
 - (void)dealloc{
+    [self.timer invalidate];
+    self.timer = nil;
     [[NSNotificationCenter defaultCenter] removeObserver:self];
 }
 
@@ -113,7 +116,9 @@ - (void)start{
     if (self.messageArray.count < 2) {
         return;
     }
-    NSTimer *timer = [NSTimer timerWithTimeInterval:_stayDuration target:self selector:@selector(scrollAnimate) userInfo:nil repeats:YES];
+    // 使用NSTimer在`repeats`设置为`yes`时NSTimer会持有target造成循环引用，
+    // 可参考https://stackoverflow.com/questions/16821736/weak-reference-to-nstimer-target-to-prevent-retain-cycle
+    NSTimer *timer = [NSTimer timerWithTimeInterval:_stayDuration target:self.weakProxy selector:@selector(scrollAnimate) userInfo:nil repeats:YES];
     [[NSRunLoop currentRunLoop]addTimer:timer forMode:NSRunLoopCommonModes];
     self.timer = timer;
 }
@@ -245,5 +250,12 @@ - (void)bgButtonPress
     }
 }
 
+- (YYTextWeakProxy *)weakProxy {
+    if (!_weakProxy) {
+        _weakProxy = [YYTextWeakProxy proxyWithTarget:self];
+    }
+    return _weakProxy;
+}
+
 @end
 

WonderfulDemo/Wonderful.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>