修复小问题

1.本地化兼容pod 1.x和0.x的
2.箭头图片颜色跟随文字颜色

Author: MJ Lee

MJRefresh.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
     s.name         = 'MJRefresh'
-    s.version      = '3.1.1'
+    s.version      = '3.1.3'
     s.summary      = 'An easy way to use pull-to-refresh'
     s.homepage     = 'https://github.com/CoderMJLee/MJRefresh'
     s.license      = 'MIT'

MJRefresh/Base/MJRefreshComponent.m

@@ -11,6 +11,7 @@
 #import "MJRefreshConst.h"
 #import "UIView+MJExtension.h"
 #import "UIScrollView+MJRefresh.h"
+#import "NSBundle+MJRefresh.h"
 
 @interface MJRefreshComponent()
 @property (strong, nonatomic) UIPanGestureRecognizer *pan;
@@ -149,8 +150,12 @@ - (NSString *)localizedStringForKey:(NSString *)key withDefault:(NSString *)defa
             language = [language substringToIndex:range.location];
         }
 
+        if (language.length == 0) {
+            language = @"zh-Hans";
+        }
+        
         // 先从MJRefresh.bundle中查找资源
-        NSBundle *refreshBundle = [NSBundle bundleWithPath:[[NSBundle mainBundle] pathForResource:@"MJRefresh" ofType:@"bundle"]];
+        NSBundle *refreshBundle = [NSBundle mj_refreshBundle];
         if ([refreshBundle.localizations containsObject:language]) {
             bundle = [NSBundle bundleWithPath:[refreshBundle pathForResource:language ofType:@"lproj"]];
         }

MJRefresh/Custom/Footer/Back/MJRefreshBackNormalFooter.m

@@ -7,6 +7,7 @@
 //
 
 #import "MJRefreshBackNormalFooter.h"
+#import "NSBundle+MJRefresh.h"
 
 @interface MJRefreshBackNormalFooter()
 {
@@ -20,8 +21,7 @@ @implementation MJRefreshBackNormalFooter
 - (UIImageView *)arrowView
 {
     if (!_arrowView) {
-        UIImage *image = [UIImage imageNamed:MJRefreshSrcName(@"arrow.png")] ?: [UIImage imageNamed:MJRefreshFrameworkSrcName(@"arrow.png")];
-        UIImageView *arrowView = [[UIImageView alloc] initWithImage:image];
+        UIImageView *arrowView = [[UIImageView alloc] initWithImage:[NSBundle mj_arrowImage]];
         [self addSubview:_arrowView = arrowView];
     }
     return _arrowView;
@@ -75,6 +75,8 @@ - (void)placeSubviews
     if (self.loadingView.constraints.count == 0) {
         self.loadingView.center = arrowCenter;
     }
+    
+    self.arrowView.tintColor = self.stateLabel.textColor;
 }
 
 - (void)setState:(MJRefreshState)state

MJRefresh/Custom/Header/MJRefreshNormalHeader.m

@@ -7,6 +7,7 @@
 //
 
 #import "MJRefreshNormalHeader.h"
+#import "NSBundle+MJRefresh.h"
 
 @interface MJRefreshNormalHeader()
 {
@@ -20,9 +21,7 @@ @implementation MJRefreshNormalHeader
 - (UIImageView *)arrowView
 {
     if (!_arrowView) {
-        UIImage *image = [UIImage imageNamed:MJRefreshSrcName(@"arrow.png")] ?: [UIImage imageNamed:MJRefreshFrameworkSrcName(@"arrow.png")];
-        UIImageView *arrowView = [[UIImageView alloc] initWithImage:[image imageWithRenderingMode:(UIImageRenderingModeAlwaysTemplate)]];
-        arrowView.tintColor = self.stateLabel.textColor;
+        UIImageView *arrowView = [[UIImageView alloc] initWithImage:[NSBundle mj_arrowImage]];
         [self addSubview:_arrowView = arrowView];
     }
     return _arrowView;
@@ -84,6 +83,8 @@ - (void)placeSubviews
     if (self.loadingView.constraints.count == 0) {
         self.loadingView.center = arrowCenter;
     }
+    
+    self.arrowView.tintColor = self.stateLabel.textColor;
 }
 
 - (void)setState:(MJRefreshState)state

MJRefresh/MJRefreshConst.h

@@ -29,10 +29,6 @@
 // 字体大小
 #define MJRefreshLabelFont [UIFont boldSystemFontOfSize:14]
 
-// 图片路径
-#define MJRefreshSrcName(file) [@"MJRefresh.bundle" stringByAppendingPathComponent:file]
-#define MJRefreshFrameworkSrcName(file) [@"Frameworks/MJRefresh.framework/MJRefresh.bundle" stringByAppendingPathComponent:file]
-
 // 常量
 UIKIT_EXTERN const CGFloat MJRefreshHeaderHeight;
 UIKIT_EXTERN const CGFloat MJRefreshFooterHeight;

MJRefresh/NSBundle+MJRefresh.h

@@ -0,0 +1,14 @@
+//
+//  NSBundle+MJRefresh.h
+//  MJRefreshExample
+//
+//  Created by MJ Lee on 16/6/13.
+//  Copyright © 2016年 小码哥. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface NSBundle (MJRefresh)
++ (instancetype)mj_refreshBundle;
++ (UIImage *)mj_arrowImage;
+@end

MJRefresh/NSBundle+MJRefresh.m

@@ -0,0 +1,31 @@
+//
+//  NSBundle+MJRefresh.m
+//  MJRefreshExample
+//
+//  Created by MJ Lee on 16/6/13.
+//  Copyright © 2016年 小码哥. All rights reserved.
+//
+
+#import "NSBundle+MJRefresh.h"
+#import "MJRefreshComponent.h"
+
+@implementation NSBundle (MJRefresh)
++ (instancetype)mj_refreshBundle
+{
+    static NSBundle *refreshBundle = nil;
+    if (refreshBundle == nil) {
+        // 这里不使用mainBundle是为了适配pod 1.x和0.x
+        refreshBundle = [NSBundle bundleWithPath:[[NSBundle bundleForClass:[MJRefreshComponent class]] pathForResource:@"MJRefresh" ofType:@"bundle"]];
+    }
+    return refreshBundle;
+}
+
++ (UIImage *)mj_arrowImage
+{
+    static UIImage *arrowImage = nil;
+    if (arrowImage == nil) {
+        arrowImage = [[UIImage imageWithContentsOfFile:[[self mj_refreshBundle] pathForResource:@"arrow@2x" ofType:@"png"]] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
+    }
+    return arrowImage;
+}
+@end