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mingyuexin
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完成图文混排的Demo 递归实现替换
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‎MixedMapAndText/MixedMapAndText.xcodeproj/project.pbxproj

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‎MixedMapAndText/MixedMapAndText.xcodeproj/project.xcworkspace/contents.xcworkspacedata

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‎MixedMapAndText/MixedMapAndText/AppDelegate.h

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//
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// AppDelegate.h
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// MixedMapAndText
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//
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// Created by zhangxiaoliang on 15/4/21.
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// Copyright (c) 2015年 zhangxiaoliang. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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@interface AppDelegate : UIResponder <UIApplicationDelegate>
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@property (strong, nonatomic) UIWindow *window;
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@end
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‎MixedMapAndText/MixedMapAndText/AppDelegate.m

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//
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// AppDelegate.m
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// MixedMapAndText
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//
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// Created by zhangxiaoliang on 15/4/21.
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// Copyright (c) 2015年 zhangxiaoliang. All rights reserved.
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//
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#import "AppDelegate.h"
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@interface AppDelegate ()
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@end
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@implementation AppDelegate
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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
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// Override point for customization after application launch.
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return YES;
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}
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- (void)applicationWillResignActive:(UIApplication *)application {
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// Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
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// Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
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}
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- (void)applicationDidEnterBackground:(UIApplication *)application {
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// Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
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// If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
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}
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- (void)applicationWillEnterForeground:(UIApplication *)application {
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// Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
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}
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- (void)applicationDidBecomeActive:(UIApplication *)application {
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// Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
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}
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- (void)applicationWillTerminate:(UIApplication *)application {
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// Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
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}
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@end

‎MixedMapAndText/MixedMapAndText/Base.lproj/LaunchScreen.xib

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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="6214" systemVersion="14A314h" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
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<dependencies>
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<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6207"/>
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<capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
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</dependencies>
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<objects>
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<placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
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<placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
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<view contentMode="scaleToFill" id="iN0-l3-epB">
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<rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
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<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
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<subviews>
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<label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text=" Copyright (c) 2015年 zhangxiaoliang. All rights reserved." textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="8ie-xW-0ye">
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<rect key="frame" x="20" y="439" width="441" height="21"/>
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<fontDescription key="fontDescription" type="system" pointSize="17"/>
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<color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
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<nil key="highlightedColor"/>
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</label>
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<label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="MixedMapAndText" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
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<rect key="frame" x="20" y="140" width="441" height="43"/>
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<fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
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<color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
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<nil key="highlightedColor"/>
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</label>
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</subviews>
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<color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
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<constraints>
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<constraint firstItem="kId-c2-rCX" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="bottom" multiplier="1/3" constant="1" id="5cJ-9S-tgC"/>
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<constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
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<constraint firstAttribute="bottom" secondItem="8ie-xW-0ye" secondAttribute="bottom" constant="20" id="Kzo-t9-V3l"/>
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<constraint firstItem="8ie-xW-0ye" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="MfP-vx-nX0"/>
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<constraint firstAttribute="centerX" secondItem="8ie-xW-0ye" secondAttribute="centerX" id="ZEH-qu-HZ9"/>
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<constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
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</constraints>
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<nil key="simulatedStatusBarMetrics"/>
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<freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
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<point key="canvasLocation" x="548" y="455"/>
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</view>
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</objects>
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</document>

‎MixedMapAndText/MixedMapAndText/Base.lproj/Main.storyboard

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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6211" systemVersion="14A298i" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="vXZ-lx-hvc">
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<dependencies>
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<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6204"/>
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</dependencies>
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<scenes>
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<!--View Controller-->
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<scene sceneID="ufC-wZ-h7g">
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<objects>
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<viewController id="vXZ-lx-hvc" customClass="ViewController" customModuleProvider="" sceneMemberID="viewController">
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<layoutGuides>
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<viewControllerLayoutGuide type="top" id="jyV-Pf-zRb"/>
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<viewControllerLayoutGuide type="bottom" id="2fi-mo-0CV"/>
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</layoutGuides>
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<view key="view" contentMode="scaleToFill" id="kh9-bI-dsS">
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<rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
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<autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
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<color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
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</view>
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</viewController>
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<placeholder placeholderIdentifier="IBFirstResponder" id="x5A-6p-PRh" sceneMemberID="firstResponder"/>
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</objects>
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</scene>
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</scenes>
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</document>

‎MixedMapAndText/MixedMapAndText/CZTextAttachment.h

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//
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// CZTextAttachment.h
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// 03 - 图文混排
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//
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// Created by teacher on 14-12-21.
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// Copyright (c) 2014年 itcast. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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@interface CZTextAttachment : NSTextAttachment
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@end

‎MixedMapAndText/MixedMapAndText/CZTextAttachment.m

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//
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// CZTextAttachment.m
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// 03 - 图文混排
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//
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// Created by teacher on 14-12-21.
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// Copyright (c) 2014年 itcast. All rights reserved.
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//
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#import "CZTextAttachment.h"
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@implementation CZTextAttachment
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- (CGRect)attachmentBoundsForTextContainer:(NSTextContainer *)textContainer proposedLineFragment:(CGRect)lineFrag glyphPosition:(CGPoint)position characterIndex:(NSUInteger)charIndex
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{
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//跟字体的高度一样 lineFrag
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return CGRectMake(0,-3, lineFrag.size.height, lineFrag.size.height);
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}
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@end

‎MixedMapAndText/MixedMapAndText/Images.xcassets/AppIcon.appiconset/Contents.json

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{
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"images" : [
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{
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"idiom" : "iphone",
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"size" : "29x29",
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"scale" : "2x"
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},
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{
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"idiom" : "iphone",
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"size" : "29x29",
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"scale" : "3x"
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},
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{
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"idiom" : "iphone",
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"size" : "40x40",
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"scale" : "2x"
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},
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{
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"idiom" : "iphone",
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"size" : "40x40",
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"scale" : "3x"
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},
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{
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"idiom" : "iphone",
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"size" : "60x60",
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"scale" : "2x"
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},
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{
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"idiom" : "iphone",
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"size" : "60x60",
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"scale" : "3x"
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}
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],
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"info" : {
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"version" : 1,
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"author" : "xcode"
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}
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}

‎MixedMapAndText/MixedMapAndText/Info.plist

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CFBundleDevelopmentRegion</key>
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<string>en</string>
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<key>CFBundleExecutable</key>
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<string>$(EXECUTABLE_NAME)</string>
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<key>CFBundleIdentifier</key>
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<string>cn.itcast.$(PRODUCT_NAME:rfc1034identifier)</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>$(PRODUCT_NAME)</string>
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<key>CFBundlePackageType</key>
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<string>APPL</string>
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<key>CFBundleShortVersionString</key>
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<string>1.0</string>
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<key>CFBundleSignature</key>
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<string>????</string>
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<key>CFBundleVersion</key>
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<string>1</string>
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<key>LSRequiresIPhoneOS</key>
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<true/>
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<key>UILaunchStoryboardName</key>
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<string>LaunchScreen</string>
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<key>UIMainStoryboardFile</key>
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<string>Main</string>
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<key>UIRequiredDeviceCapabilities</key>
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<array>
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<string>armv7</string>
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</array>
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<key>UISupportedInterfaceOrientations</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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</dict>
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</plist>

‎MixedMapAndText/MixedMapAndText/NSAttributedString+Emoji.h

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//
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// NSAttributedString+Emoji.h
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// MiYa
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//
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// Created by GX on 14/12/18.
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// Copyright (c) 2014年 WLA. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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@interface NSAttributedString (Emoji)
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+ (NSAttributedString *)emojiStringWithString:(NSMutableAttributedString *)emojiString;
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@end

‎MixedMapAndText/MixedMapAndText/NSAttributedString+Emoji.m

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//
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// NSAttributedString+Emoji.m
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// MiYa
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//
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// Created by GX on 14/12/18.
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// Copyright (c) 2014年 WLA. All rights reserved.
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//
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#import "NSAttributedString+Emoji.h"
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#import <UIKit/UIKit.h>
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@interface EmojiAttachment : NSTextAttachment
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@end
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@implementation EmojiAttachment
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//I want my emoticon has the same size with line's height
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- (CGRect)attachmentBoundsForTextContainer:(NSTextContainer *)textContainer proposedLineFragment:(CGRect)lineFrag glyphPosition:(CGPoint)position characterIndex:(NSUInteger)charIndex
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{
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return CGRectMake( 0 , -3, lineFrag.size.height, lineFrag.size.height);
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}
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@end
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@implementation NSAttributedString (Emoji)
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+ (NSAttributedString *)emojiStringWithString:(NSMutableAttributedString *)emojiString
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{
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NSRegularExpression *regularEx = [NSRegularExpression regularExpressionWithPattern:@"s[0-9]{3}" options:NSRegularExpressionCaseInsensitive error:nil];
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NSString *string = emojiString.string;
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NSTextCheckingResult *result = [regularEx firstMatchInString:string options:NSMatchingReportCompletion range:NSMakeRange(0, string.length)];
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if (result != nil) {
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NSString *imageName = [NSString stringWithFormat:@"%@.png", [string substringWithRange:result.range]];
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EmojiAttachment *attachment = [[EmojiAttachment alloc] initWithData:nil ofType:nil];
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attachment.image = [UIImage imageNamed:imageName];
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NSAttributedString *attrString = [NSAttributedString attributedStringWithAttachment:attachment];
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[emojiString replaceCharactersInRange:result.range withAttributedString:attrString];
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// 递归
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[self emojiStringWithString:emojiString];
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} else {
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return emojiString;
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}
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return emojiString;
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}
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@end

‎MixedMapAndText/MixedMapAndText/ViewController.h

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//
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// ViewController.h
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// MixedMapAndText
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//
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// Created by zhangxiaoliang on 15/4/21.
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// Copyright (c) 2015年 zhangxiaoliang. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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@interface ViewController : UIViewController
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@end
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