Master

LTNavigationBar.podspec

@@ -1,12 +1,12 @@
 
 Pod::Spec.new do |s|
   s.name         = "LTNavigationBar"
-  s.version      = "2.0.2"
+  s.version      = "2.1.9"
   s.summary      = "UINavigationBar Category which allows you to change its appearance dynamically"
   s.homepage     = "https://github.com/ltebean/LTNavigationbar"
   s.license      = "MIT"
   s.author       = { "ltebean" => "yucong1118@gmail.com" }
-  s.source       = { :git => "https://github.com/ltebean/LTNavigationbar.git", :tag => 'v2.0.2'}
+  s.source       = { :git => "https://github.com/ltebean/LTNavigationbar.git", :tag => 'v2.1.9'}
   s.source_files = "LTNavigationbar/UINavigationBar+Awesome.{h,m}"
   s.requires_arc = true
   s.platform     = :ios, '7.0'

LTNavigationBar.xcodeproj/project.pbxproj

@@ -375,6 +375,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = LTNavigationBar/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -385,6 +386,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = LTNavigationBar/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_NAME = "$(TARGET_NAME)";

LTNavigationBar/BGColorDemoViewController.m

@@ -20,8 +20,6 @@ @implementation BGColorDemoViewController
 - (void)viewDidLoad {
     [super viewDidLoad];
     // Do any additional setup after loading the view, typically from a nib.
-
-    self.tableView.delegate = self;
     self.tableView.dataSource = self;
     [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"Cell"];
     [self.navigationController.navigationBar lt_setBackgroundColor:[UIColor clearColor]];
@@ -32,8 +30,7 @@ - (void)scrollViewDidScroll:(UIScrollView *)scrollView
     UIColor * color = [UIColor colorWithRed:0/255.0 green:175/255.0 blue:240/255.0 alpha:1];
     CGFloat offsetY = scrollView.contentOffset.y;
     if (offsetY > NAVBAR_CHANGE_POINT) {
-        CGFloat alpha = 1 - ((NAVBAR_CHANGE_POINT + 64 - offsetY) / 64);
-
+        CGFloat alpha = MIN(1, 1 - ((NAVBAR_CHANGE_POINT + 64 - offsetY) / 64));
         [self.navigationController.navigationBar lt_setBackgroundColor:[color colorWithAlphaComponent:alpha]];
     } else {
         [self.navigationController.navigationBar lt_setBackgroundColor:[color colorWithAlphaComponent:0]];
@@ -43,27 +40,33 @@ - (void)scrollViewDidScroll:(UIScrollView *)scrollView
 - (void)viewWillAppear:(BOOL)animated
 {
     [super viewWillAppear:YES];
+    self.tableView.delegate = self;
     [self scrollViewDidScroll:self.tableView];
     [self.navigationController.navigationBar setShadowImage:[UIImage new]];
-
 }
 
 - (void)viewWillDisappear:(BOOL)animated
 {
     [super viewWillDisappear:animated];
+    self.tableView.delegate = nil;
     [self.navigationController.navigationBar lt_reset];
 }
 
 #pragma mark UITableViewDatasource
 
+- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
+{
+    return @"header";
+}
+
 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
 {
-    return 10;
+    return 5;
 }
 
 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
 {
-    return 1;
+    return 5;
 }
 
 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

LTNavigationBar/Base.lproj/Main.storyboard

@@ -8,22 +8,34 @@
         <!--Title-->
         <scene sceneID="ufC-wZ-h7g">
             <objects>
-                <viewController automaticallyAdjustsScrollViewInsets="NO" id="vXZ-lx-hvc" customClass="BGColorDemoViewController" sceneMemberID="viewController">
+                <viewController id="vXZ-lx-hvc" customClass="BGColorDemoViewController" sceneMemberID="viewController">
                     <layoutGuides>
                         <viewControllerLayoutGuide type="top" id="jyV-Pf-zRb"/>
                         <viewControllerLayoutGuide type="bottom" id="2fi-mo-0CV"/>
                     </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="kh9-bI-dsS">
-                        <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
+                        <rect key="frame" x="0.0" y="64" width="320" height="568"/>
                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                         <subviews>
-                            <tableView clipsSubviews="YES" contentMode="scaleToFill" misplaced="YES" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" translatesAutoresizingMaskIntoConstraints="NO" id="ol6-pv-3ev">
-                                <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
+                            <tableView clipsSubviews="YES" contentMode="scaleToFill" alwaysBounceVertical="YES" dataMode="prototypes" style="plain" separatorStyle="default" rowHeight="44" sectionHeaderHeight="22" sectionFooterHeight="22" translatesAutoresizingMaskIntoConstraints="NO" id="ol6-pv-3ev">
+                                <rect key="frame" x="0.0" y="0.0" width="320" height="519"/>
                                 <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
-                                <imageView key="tableHeaderView" userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="bg.jpg" id="982-4M-Fxk">
-                                    <rect key="frame" x="0.0" y="0.0" width="320" height="223"/>
+                                <view key="tableHeaderView" contentMode="scaleToFill" id="CA6-Ac-93j">
+                                    <rect key="frame" x="0.0" y="64" width="320" height="190"/>
                                     <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
-                                </imageView>
+                                    <subviews>
+                                        <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="bg.jpg" translatesAutoresizingMaskIntoConstraints="NO" id="982-4M-Fxk">
+                                            <rect key="frame" x="0.0" y="-64" width="320" height="254"/>
+                                        </imageView>
+                                    </subviews>
+                                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                    <constraints>
+                                        <constraint firstItem="982-4M-Fxk" firstAttribute="leading" secondItem="CA6-Ac-93j" secondAttribute="leading" id="K4V-ol-kWT"/>
+                                        <constraint firstAttribute="trailing" secondItem="982-4M-Fxk" secondAttribute="trailing" id="Qaz-mA-OQA"/>
+                                        <constraint firstItem="982-4M-Fxk" firstAttribute="top" secondItem="CA6-Ac-93j" secondAttribute="top" constant="-64" id="dBf-UH-eDS"/>
+                                        <constraint firstAttribute="bottom" secondItem="982-4M-Fxk" secondAttribute="bottom" id="nTQ-eO-PdO"/>
+                                    </constraints>
+                                </view>
                                 <prototypes>
                                     <tableViewCell contentMode="scaleToFill" selectionStyle="blue" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="Cell" textLabel="T8Y-og-A43" style="IBUITableViewCellStyleDefault" id="bN5-oq-e1N">
                                         <autoresizingMask key="autoresizingMask"/>
@@ -45,8 +57,8 @@
                         <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
                         <constraints>
                             <constraint firstAttribute="trailingMargin" secondItem="ol6-pv-3ev" secondAttribute="trailing" constant="-16" id="3SJ-yy-OpP"/>
+                            <constraint firstItem="ol6-pv-3ev" firstAttribute="top" secondItem="kh9-bI-dsS" secondAttribute="top" id="5EZ-ni-Hkp"/>
                             <constraint firstItem="2fi-mo-0CV" firstAttribute="top" secondItem="ol6-pv-3ev" secondAttribute="bottom" id="Ok8-Xm-KfZ"/>
-                            <constraint firstItem="ol6-pv-3ev" firstAttribute="top" secondItem="jyV-Pf-zRb" secondAttribute="bottom" constant="-64" id="tpl-A3-1L6"/>
                             <constraint firstItem="ol6-pv-3ev" firstAttribute="leading" secondItem="kh9-bI-dsS" secondAttribute="leadingMargin" constant="-16" id="zrI-Fs-jIg"/>
                         </constraints>
                     </view>

LTNavigationBar/Info.plist

@@ -30,13 +30,11 @@
 	<array>
 		<string>armv7</string>
 	</array>
-	<key>UIViewControllerBasedStatusBarAppearance</key>
-	<false/>
 	<key>UISupportedInterfaceOrientations</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
 </dict>
 </plist>

LTNavigationBar/ScrollingNavbarDemoViewController.m

@@ -41,7 +41,7 @@ - (void)scrollViewDidScroll:(UIScrollView *)scrollView
 - (void)setNavigationBarTransformProgress:(CGFloat)progress
 {
     [self.navigationController.navigationBar lt_setTranslationY:(-44 * progress)];
-    [self.navigationController.navigationBar lt_setContentAlpha:(1-progress)];
+    [self.navigationController.navigationBar lt_setElementsAlpha:(1-progress)];
 }
 
 - (void)viewWillAppear:(BOOL)animated

LTNavigationBar/UINavigationBar+Awesome.h

@@ -10,7 +10,7 @@
 
 @interface UINavigationBar (Awesome)
 - (void)lt_setBackgroundColor:(UIColor *)backgroundColor;
-- (void)lt_setContentAlpha:(CGFloat)alpha;
+- (void)lt_setElementsAlpha:(CGFloat)alpha;
 - (void)lt_setTranslationY:(CGFloat)translationY;
 - (void)lt_reset;
 @end

LTNavigationBar/UINavigationBar+Awesome.m

@@ -9,9 +9,10 @@
 #import "UINavigationBar+Awesome.h"
 #import <objc/runtime.h>
 
+#define SYSTEM_VERSION_LESS_THAN(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
+
 @implementation UINavigationBar (Awesome)
 static char overlayKey;
-static char emptyImageKey;
 
 - (UIView *)overlay
 {
@@ -23,24 +24,14 @@ - (void)setOverlay:(UIView *)overlay
     objc_setAssociatedObject(self, &overlayKey, overlay, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
 }
 
-- (UIImage *)emptyImage
-{
-    return objc_getAssociatedObject(self, &emptyImageKey);
-}
-
-- (void)setEmptyImage:(UIImage *)image
-{
-    objc_setAssociatedObject(self, &emptyImageKey, image, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
-}
-
 - (void)lt_setBackgroundColor:(UIColor *)backgroundColor
 {
     if (!self.overlay) {
         [self setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
-        self.overlay = [[UIView alloc] initWithFrame:CGRectMake(0, -20, [UIScreen mainScreen].bounds.size.width, 64)];
+        self.overlay = [[UIView alloc] initWithFrame:CGRectMake(0, 0, CGRectGetWidth(self.bounds), CGRectGetHeight(self.bounds) + 20)];
         self.overlay.userInteractionEnabled = NO;
-        self.overlay.autoresizingMask = UIViewAutoresizingFlexibleWidth|UIViewAutoresizingFlexibleHeight;
-        [self insertSubview:self.overlay atIndex:0];
+        self.overlay.autoresizingMask = UIViewAutoresizingFlexibleWidth;    // Should not set `UIViewAutoresizingFlexibleHeight`
+        [[self.subviews firstObject] insertSubview:self.overlay atIndex:0];
     }
     self.overlay.backgroundColor = backgroundColor;
 }
@@ -50,36 +41,32 @@ - (void)lt_setTranslationY:(CGFloat)translationY
     self.transform = CGAffineTransformMakeTranslation(0, translationY);
 }
 
-- (void)lt_setContentAlpha:(CGFloat)alpha
+- (void)lt_setElementsAlpha:(CGFloat)alpha
 {
-    if (!self.overlay) {
-        [self lt_setBackgroundColor:self.barTintColor];
-    }
-    [self setAlpha:alpha forSubviewsOfView:self];
-    if (alpha == 1) {
-        if (!self.emptyImage) {
-            self.emptyImage = [UIImage new];
+    [[self valueForKey:@"_leftViews"] enumerateObjectsUsingBlock:^(UIView *view, NSUInteger i, BOOL *stop) {
+        view.alpha = alpha;
+    }];
+
+    [[self valueForKey:@"_rightViews"] enumerateObjectsUsingBlock:^(UIView *view, NSUInteger i, BOOL *stop) {
+        view.alpha = alpha;
+    }];
+
+    UIView *titleView = [self valueForKey:@"_titleView"];
+    titleView.alpha = alpha;
+//    when viewController first load, the titleView maybe nil
+    [[self subviews] enumerateObjectsUsingBlock:^(UIView *obj, NSUInteger idx, BOOL *stop) {
+        if ([obj isKindOfClass:NSClassFromString(@"UINavigationItemView")]) {
+            obj.alpha = alpha;
         }
-        self.backIndicatorImage = self.emptyImage;
-    }
-}
-
-- (void)setAlpha:(CGFloat)alpha forSubviewsOfView:(UIView *)view
-{
-    for (UIView *subview in view.subviews) {
-        if (subview == self.overlay) {
-            continue;
+        if ([obj isKindOfClass:NSClassFromString(@"_UINavigationBarBackIndicatorView")]) {
+            obj.alpha = alpha;
         }
-        subview.alpha = alpha;
-        [self setAlpha:alpha forSubviewsOfView:subview];
-    }
+    }];
 }
 
 - (void)lt_reset
 {
     [self setBackgroundImage:nil forBarMetrics:UIBarMetricsDefault];
-    [self setShadowImage:nil];
-
     [self.overlay removeFromSuperview];
     self.overlay = nil;
 }

README.md

@@ -1,5 +1,18 @@
 ![LTNavigationbar](https://cocoapod-badges.herokuapp.com/v/LTNavigationBar/badge.png)
 
+
+## Deprecated
+This lib uses a hacky way to achieve the result, in the new iOS version, the structure of UINavigation is changed and this lib no longer works anymore, so please check these alternatives:
+
+- https://github.com/andreamazz/AMScrollingNavbar
+- https://github.com/DanisFabric/RainbowNavigation
+- https://github.com/MoZhouqi/KMNavigationBarTransition
+
+
+## swift version
+
+[https://github.com/ltebean/LTNavigationBar/tree/swift3.0](https://github.com/ltebean/LTNavigationBar/tree/swift3.0)
+
 ## Purpose
 It is hard to change the appearance of UINavigationBar dynamically, so I made this lib to make the job easy.
 
@@ -23,7 +36,7 @@ The category includes lots of method that helps to change UINavigationBar's appe
 ```objective-c
 @interface UINavigationBar (Awesome)
 - (void)lt_setBackgroundColor:(UIColor *)backgroundColor;
-- (void)lt_setContentAlpha:(CGFloat)alpha;
+- (void)lt_setElementsAlpha:(CGFloat)alpha;
 - (void)lt_setTranslationY:(CGFloat)translationY;
 - (void)lt_reset;
 @end
@@ -43,4 +56,4 @@ And usually in `viewWillDisappear`, you should call this method to avoid any sid
 }
 ```
 
-See the example for details~ 
+See the example for details~