配置项目

TZImagePickerController.xcodeproj/project.xcworkspace/contents.xcworkspacedata

+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:TZImagePickerController.xcodeproj">
+   </FileRef>
+</Workspace>

TZImagePickerController/AppDelegate.h

+//
+//  AppDelegate.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : UIResponder <UIApplicationDelegate>
+
+@property (strong, nonatomic) UIWindow *window;
+
+
+@end
+

TZImagePickerController/AppDelegate.m

+//
+//  AppDelegate.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import "AppDelegate.h"
+
+@interface AppDelegate ()
+
+@end
+
+@implementation AppDelegate
+
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+    // Override point for customization after application launch.
+    return YES;
+}
+
+- (void)applicationWillResignActive:(UIApplication *)application {
+    // 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.
+    // 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.
+}
+
+- (void)applicationDidEnterBackground:(UIApplication *)application {
+    // 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.
+    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
+}
+
+- (void)applicationWillEnterForeground:(UIApplication *)application {
+    // 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.
+}
+
+- (void)applicationDidBecomeActive:(UIApplication *)application {
+    // 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.
+}
+
+- (void)applicationWillTerminate:(UIApplication *)application {
+    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
+}
+
+@end

TZImagePickerController/Assets.xcassets/AlbumAddBtn.imageset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "AlbumAddBtn@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

TZImagePickerController/Assets.xcassets/AppIcon.appiconset/Contents.json

+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "29x29",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "40x40",
+      "scale" : "3x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "iphone",
+      "size" : "60x60",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

TZImagePickerController/Assets.xcassets/Contents.json

+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
\ No newline at end of file

TZImagePickerController/Base.lproj/LaunchScreen.storyboard

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9531" systemVersion="14F1509" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
+                        <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>

TZImagePickerController/Base.lproj/Main.storyboard

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9531" systemVersion="14F1509" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="ViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="320" height="568"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="4Ae-5T-gEc" userLabel="TopContentView">
+                                <rect key="frame" x="0.0" y="0.0" width="320" height="120"/>
+                                <subviews>
+                                    <button opaque="NO" tag="2" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="r81-gA-Wag">
+                                        <rect key="frame" x="20" y="55" width="280" height="30"/>
+                                        <constraints>
+                                            <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="30" id="B5p-sB-c5y"/>
+                                            <constraint firstAttribute="width" relation="greaterThanOrEqual" constant="127" id="KAp-UH-6ZM"/>
+                                            <constraint firstAttribute="height" constant="30" id="kdh-Nr-oix"/>
+                                        </constraints>
+                                        <state key="normal" title="pick multi-photos"/>
+                                        <variation key="default">
+                                            <mask key="constraints">
+                                                <exclude reference="B5p-sB-c5y"/>
+                                                <exclude reference="KAp-UH-6ZM"/>
+                                            </mask>
+                                        </variation>
+                                        <connections>
+                                            <action selector="pickPhotoButtonClick:" destination="BYZ-38-t0r" eventType="touchUpInside" id="Y3s-qn-oVG"/>
+                                        </connections>
+                                    </button>
+                                </subviews>
+                                <color key="backgroundColor" red="0.1715644113149847" green="0.94983992737003053" blue="0.50998662079510704" alpha="1" colorSpace="calibratedRGB"/>
+                                <constraints>
+                                    <constraint firstItem="r81-gA-Wag" firstAttribute="top" secondItem="4Ae-5T-gEc" secondAttribute="top" constant="55" id="8mQ-5b-cnI"/>
+                                    <constraint firstAttribute="trailing" secondItem="r81-gA-Wag" secondAttribute="trailing" constant="20" id="QBT-qQ-Z2n"/>
+                                    <constraint firstItem="r81-gA-Wag" firstAttribute="leading" secondItem="4Ae-5T-gEc" secondAttribute="leading" constant="20" id="o2q-G0-PT5"/>
+                                    <constraint firstAttribute="height" constant="120" id="oAh-GJ-wLO"/>
+                                </constraints>
+                            </view>
+                        </subviews>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                        <constraints>
+                            <constraint firstItem="4Ae-5T-gEc" firstAttribute="top" secondItem="8bC-Xf-vdC" secondAttribute="top" id="61m-nK-szh"/>
+                            <constraint firstAttribute="trailing" secondItem="4Ae-5T-gEc" secondAttribute="trailing" id="cCX-fJ-tja"/>
+                            <constraint firstItem="4Ae-5T-gEc" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" id="g2m-EG-Cux"/>
+                        </constraints>
+                    </view>
+                    <simulatedScreenMetrics key="simulatedDestinationMetrics" type="retina4"/>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>

TZImagePickerController/Info.plist

+<?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>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+	<key>UIRequiredDeviceCapabilities</key>
+	<array>
+		<string>armv7</string>
+	</array>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+</dict>
+</plist>

TZImagePickerController/TZImagePickerController/TZAlbumCell.xib

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9531" systemVersion="14F1509" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <view contentMode="scaleToFill" id="grQ-4c-o22" customClass="TZAlbumCell">
+            <rect key="frame" x="0.0" y="0.0" width="320" height="70"/>
+            <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
+            <subviews>
+                <imageView userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="MN9-Rx-foD">
+                    <rect key="frame" x="0.0" y="0.0" width="70" height="70"/>
+                    <constraints>
+                        <constraint firstAttribute="width" constant="70" id="9QL-fc-DfO"/>
+                    </constraints>
+                </imageView>
+                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Label" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="Mrv-sA-Nuw">
+                    <rect key="frame" x="80" y="0.0" width="190" height="70"/>
+                    <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                    <color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
+                    <nil key="highlightedColor"/>
+                </label>
+                <imageView userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="TableViewArrow" translatesAutoresizingMaskIntoConstraints="NO" id="Nj8-PM-Kqf">
+                    <rect key="frame" x="293" y="28" width="15" height="15"/>
+                    <constraints>
+                        <constraint firstAttribute="width" constant="15" id="HiN-sC-FNK"/>
+                    </constraints>
+                </imageView>
+            </subviews>
+            <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+            <constraints>
+                <constraint firstItem="Mrv-sA-Nuw" firstAttribute="leading" secondItem="MN9-Rx-foD" secondAttribute="trailing" constant="10" id="1QF-Ux-8Eq"/>
+                <constraint firstAttribute="trailing" secondItem="Mrv-sA-Nuw" secondAttribute="trailing" constant="50" id="Hdc-BO-uDe"/>
+                <constraint firstAttribute="trailing" secondItem="Nj8-PM-Kqf" secondAttribute="trailing" constant="12" id="NDX-ya-7lu"/>
+                <constraint firstItem="MN9-Rx-foD" firstAttribute="leading" secondItem="grQ-4c-o22" secondAttribute="leading" id="Qgb-hx-Zng"/>
+                <constraint firstItem="MN9-Rx-foD" firstAttribute="top" secondItem="grQ-4c-o22" secondAttribute="top" id="ZZm-Sk-o83"/>
+                <constraint firstAttribute="bottom" secondItem="Mrv-sA-Nuw" secondAttribute="bottom" id="ca9-ki-vgD"/>
+                <constraint firstAttribute="bottom" secondItem="Nj8-PM-Kqf" secondAttribute="bottom" constant="27" id="cry-id-f46"/>
+                <constraint firstItem="Mrv-sA-Nuw" firstAttribute="top" secondItem="grQ-4c-o22" secondAttribute="top" id="gZb-1z-CPx"/>
+                <constraint firstItem="Nj8-PM-Kqf" firstAttribute="top" secondItem="grQ-4c-o22" secondAttribute="top" constant="28" id="rdB-Pt-8ly"/>
+                <constraint firstAttribute="bottom" secondItem="MN9-Rx-foD" secondAttribute="bottom" id="vxW-5h-txe"/>
+            </constraints>
+            <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
+            <connections>
+                <outlet property="posterImageView" destination="MN9-Rx-foD" id="tOI-0s-GLe"/>
+                <outlet property="titleLable" destination="Mrv-sA-Nuw" id="Khi-UM-B6w"/>
+            </connections>
+            <point key="canvasLocation" x="584" y="432"/>
+        </view>
+    </objects>
+    <resources>
+        <image name="TableViewArrow" width="27" height="27"/>
+    </resources>
+</document>

TZImagePickerController/TZImagePickerController/TZAssetCell.h

+//
+//  TZAssetCell.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+typedef enum : NSUInteger {
+    TZAssetCellTypePhoto = 0,
+    TZAssetCellTypeLivePhoto,
+    TZAssetCellTypeVideo,
+    TZAssetCellTypeAudio,
+} TZAssetCellType;
+
+@class TZAssetModel;
+@interface TZAssetCell : UICollectionViewCell
+
+@property (weak, nonatomic) IBOutlet UIButton *selectPhotoButton;
+@property (nonatomic, strong) TZAssetModel *model;
+@property (nonatomic, copy) void (^didSelectPhotoBlock)(BOOL);
+@property (nonatomic, assign) TZAssetCellType type;
+
+@end
+
+
+@class TZAlbumModel;
+
+@interface TZAlbumCell : UITableViewCell
+
+@property (nonatomic, strong) TZAlbumModel *model;
+
+@end

TZImagePickerController/TZImagePickerController/TZAssetCell.m

+//
+//  TZAssetCell.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import "TZAssetCell.h"
+#import "TZAssetModel.h"
+#import "UIView+Layout.h"
+#import "TZImageManager.h"
+#import "TZImagePickerController.h"
+
+@interface TZAssetCell ()
+@property (weak, nonatomic) IBOutlet UIImageView *imageView;       // The photo / 照片
+@property (weak, nonatomic) IBOutlet UIImageView *selectImageView;
+@property (weak, nonatomic) IBOutlet UIView *bottomView;
+@property (weak, nonatomic) IBOutlet UILabel *timeLength;
+
+@end
+
+@implementation TZAssetCell
+
+- (void)awakeFromNib {
+    self.timeLength.font = [UIFont boldSystemFontOfSize:11];
+}
+
+- (void)setModel:(TZAssetModel *)model {
+    _model = model;
+    [[TZImageManager manager] getPhotoWithAsset:model.asset photoWidth:self.width completion:^(UIImage *photo, NSDictionary *info) {
+        self.imageView.image = photo;
+    }];
+    self.selectPhotoButton.selected = model.isSelected;
+    self.selectImageView.image = self.selectPhotoButton.isSelected ? [UIImage imageNamed:@"photo_sel_photoPickerVc"] : [UIImage imageNamed:@"photo_def_photoPickerVc"];
+    self.type = TZAssetCellTypePhoto;
+    if (model.type == TZAssetModelMediaTypeLivePhoto)      self.type = TZAssetCellTypeLivePhoto;
+    else if (model.type == TZAssetModelMediaTypeAudio)     self.type = TZAssetCellTypeAudio;
+    else if (model.type == TZAssetModelMediaTypeVideo) {
+        self.type = TZAssetCellTypeVideo;
+        self.timeLength.text = model.timeLength;
+    }
+}
+
+- (void)setType:(TZAssetCellType)type {
+    _type = type;
+    if (type == TZAssetCellTypePhoto || type == TZAssetCellTypeLivePhoto) {
+        _selectImageView.hidden = NO;
+        _selectPhotoButton.hidden = NO;
+        _bottomView.hidden = YES;
+    } else {
+        _selectImageView.hidden = YES;
+        _selectPhotoButton.hidden = YES;
+        _bottomView.hidden = NO;
+    }
+}
+
+- (IBAction)selectPhotoButtonClick:(UIButton *)sender {
+    if (self.didSelectPhotoBlock) {
+        self.didSelectPhotoBlock(sender.isSelected);
+    }
+    self.selectImageView.image = sender.isSelected ? [UIImage imageNamed:@"photo_sel_photoPickerVc"] : [UIImage imageNamed:@"photo_def_photoPickerVc"];
+    if (sender.isSelected) {
+        [UIView showOscillatoryAnimationWithLayer:_selectImageView.layer type:TZOscillatoryAnimationToBigger];
+    }
+}
+
+@end
+
+@interface TZAlbumCell ()
+@property (weak, nonatomic) IBOutlet UIImageView *posterImageView;
+@property (weak, nonatomic) IBOutlet UILabel *titleLable;
+@end
+
+@implementation TZAlbumCell
+
+- (void)awakeFromNib {
+    self.posterImageView.clipsToBounds = YES;
+}
+
+- (void)setModel:(TZAlbumModel *)model {
+    _model = model;
+    
+    NSMutableAttributedString *nameString = [[NSMutableAttributedString alloc] initWithString:model.name attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:16],NSForegroundColorAttributeName:[UIColor blackColor]}];
+    NSAttributedString *countString = [[NSAttributedString alloc] initWithString:[NSString stringWithFormat:@"  (%zd)",model.count] attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:16],NSForegroundColorAttributeName:[UIColor lightGrayColor]}];
+    [nameString appendAttributedString:countString];
+    self.titleLable.attributedText = nameString;
+    [[TZImageManager manager] getPostImageWithAlbumModel:model completion:^(UIImage *postImage) {
+        self.posterImageView.image = postImage;
+    }];
+}
+
+/// For fitting iOS6
+- (void)layoutSubviews {
+    if (iOS7Later) [super layoutSubviews];
+}
+
+- (void)layoutSublayersOfLayer:(CALayer *)layer {
+    if (iOS7Later) [super layoutSublayersOfLayer:layer];
+}
+
+
+@end
\ No newline at end of file

TZImagePickerController/TZImagePickerController/TZAssetCell.xib

+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="9531" systemVersion="14F1509" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9529"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" id="gTV-IL-0wX" customClass="TZAssetCell">
+            <rect key="frame" x="0.0" y="0.0" width="80" height="80"/>
+            <autoresizingMask key="autoresizingMask"/>
+            <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center">
+                <rect key="frame" x="0.0" y="0.0" width="80" height="80"/>
+                <subviews>
+                    <imageView userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="Yy8-bS-MRb">
+                        <rect key="frame" x="0.0" y="0.0" width="80" height="80"/>
+                    </imageView>
+                    <button opaque="NO" contentMode="topRight" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="dNW-bU-KEf">
+                        <rect key="frame" x="36" y="0.0" width="44" height="44"/>
+                        <constraints>
+                            <constraint firstAttribute="height" constant="44" id="35a-xB-9kD"/>
+                            <constraint firstAttribute="width" constant="44" id="c1d-za-0ro"/>
+                        </constraints>
+                        <connections>
+                            <action selector="selectPhotoButtonClick:" destination="gTV-IL-0wX" eventType="touchUpInside" id="XWB-QX-A3P"/>
+                        </connections>
+                    </button>
+                    <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="photo_def_photoPickerVc@2x" translatesAutoresizingMaskIntoConstraints="NO" id="ova-UI-tV1">
+                        <rect key="frame" x="53" y="0.0" width="27" height="27"/>
+                        <constraints>
+                            <constraint firstAttribute="height" constant="27" id="QwD-vG-feB"/>
+                            <constraint firstAttribute="width" constant="27" id="nLi-1g-3Sr"/>
+                        </constraints>
+                    </imageView>
+                    <view alpha="0.80000000000000004" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="a4Q-ox-UyB" userLabel="VideoView">
+                        <rect key="frame" x="0.0" y="63" width="80" height="17"/>
+                        <subviews>
+                            <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="VideoSendIcon" translatesAutoresizingMaskIntoConstraints="NO" id="N0z-qh-hcG">
+                                <rect key="frame" x="8" y="0.0" width="17" height="17"/>
+                                <constraints>
+                                    <constraint firstAttribute="width" constant="17" id="1p5-vb-QAu"/>
+                                </constraints>
+                            </imageView>
+                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="00:12" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="BXd-4T-A1o">
+                                <rect key="frame" x="25" y="0.0" width="49" height="17"/>
+                                <fontDescription key="fontDescription" type="system" pointSize="11"/>
+                                <color key="textColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" white="0.0" alpha="1" colorSpace="calibratedWhite"/>
+                        <constraints>
+                            <constraint firstAttribute="height" constant="17" id="C2G-yW-u1e"/>
+                            <constraint firstAttribute="trailing" secondItem="BXd-4T-A1o" secondAttribute="trailing" constant="6" id="ET8-ta-Vkb"/>
+                            <constraint firstItem="BXd-4T-A1o" firstAttribute="top" secondItem="a4Q-ox-UyB" secondAttribute="top" id="Uks-Bh-Vdg"/>
+                            <constraint firstAttribute="bottom" secondItem="BXd-4T-A1o" secondAttribute="bottom" id="Uvh-dT-9bi"/>
+                            <constraint firstItem="BXd-4T-A1o" firstAttribute="leading" secondItem="N0z-qh-hcG" secondAttribute="trailing" id="cHE-ea-FX4"/>
+                            <constraint firstItem="N0z-qh-hcG" firstAttribute="top" secondItem="a4Q-ox-UyB" secondAttribute="top" id="dHJ-vE-Lsl"/>
+                            <constraint firstItem="N0z-qh-hcG" firstAttribute="leading" secondItem="a4Q-ox-UyB" secondAttribute="leading" constant="8" id="iq8-Yc-XwI"/>
+                            <constraint firstAttribute="bottom" secondItem="N0z-qh-hcG" secondAttribute="bottom" id="nr0-UX-ihC"/>
+                        </constraints>
+                    </view>
+                </subviews>
+                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
+            </view>
+            <constraints>
+                <constraint firstAttribute="trailing" secondItem="a4Q-ox-UyB" secondAttribute="trailing" id="4hT-aw-TYf"/>
+                <constraint firstAttribute="trailing" secondItem="Yy8-bS-MRb" secondAttribute="trailing" id="5Gq-So-iWs"/>
+                <constraint firstAttribute="trailing" secondItem="ova-UI-tV1" secondAttribute="trailing" id="GRy-ue-4Qr"/>
+                <constraint firstItem="ova-UI-tV1" firstAttribute="top" secondItem="gTV-IL-0wX" secondAttribute="top" id="Glw-Yv-tQT"/>
+                <constraint firstAttribute="bottom" secondItem="Yy8-bS-MRb" secondAttribute="bottom" id="Gsd-C1-gkC"/>
+                <constraint firstItem="Yy8-bS-MRb" firstAttribute="top" secondItem="gTV-IL-0wX" secondAttribute="top" id="Iv6-lu-ZGo"/>
+                <constraint firstItem="a4Q-ox-UyB" firstAttribute="leading" secondItem="gTV-IL-0wX" secondAttribute="leading" id="OZ3-n0-vkk"/>
+                <constraint firstAttribute="trailing" secondItem="dNW-bU-KEf" secondAttribute="trailing" id="Ofl-9X-gij"/>
+                <constraint firstAttribute="bottom" secondItem="a4Q-ox-UyB" secondAttribute="bottom" id="X3A-bD-wef"/>
+                <constraint firstItem="dNW-bU-KEf" firstAttribute="top" secondItem="gTV-IL-0wX" secondAttribute="top" id="epf-0O-UJg"/>
+                <constraint firstItem="Yy8-bS-MRb" firstAttribute="leading" secondItem="gTV-IL-0wX" secondAttribute="leading" id="s7f-8d-u0B"/>
+            </constraints>
+            <connections>
+                <outlet property="bottomView" destination="a4Q-ox-UyB" id="3k1-bw-ZPW"/>
+                <outlet property="imageView" destination="Yy8-bS-MRb" id="q1a-cl-0zn"/>
+                <outlet property="selectImageView" destination="ova-UI-tV1" id="xXa-XQ-rUc"/>
+                <outlet property="selectPhotoButton" destination="dNW-bU-KEf" id="vDo-uv-cp6"/>
+                <outlet property="timeLength" destination="BXd-4T-A1o" id="dbx-Cf-g5W"/>
+            </connections>
+        </collectionViewCell>
+    </objects>
+    <resources>
+        <image name="VideoSendIcon" width="27" height="27"/>
+        <image name="photo_def_photoPickerVc@2x" width="27" height="27"/>
+    </resources>
+</document>

TZImagePickerController/TZImagePickerController/TZAssetModel.h

+//
+//  TZAssetModel.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+typedef enum : NSUInteger {
+    TZAssetModelMediaTypePhoto = 0,
+    TZAssetModelMediaTypeLivePhoto,
+    TZAssetModelMediaTypeVideo,
+    TZAssetModelMediaTypeAudio
+} TZAssetModelMediaType;
+
+@class PHAsset;
+@interface TZAssetModel : NSObject
+
+@property (nonatomic, strong) id asset;             ///< PHAsset or ALAsset
+@property (nonatomic, assign) BOOL isSelected;      ///< The select status of a photo, default is No
+@property (nonatomic, assign) TZAssetModelMediaType type;
+@property (nonatomic, copy) NSString *timeLength;
+
+/// Init a photo dataModel With a asset
+/// 用一个PHAsset/ALAsset实例，初始化一个照片模型
++ (instancetype)modelWithAsset:(id)asset type:(TZAssetModelMediaType)type;
++ (instancetype)modelWithAsset:(id)asset type:(TZAssetModelMediaType)type timeLength:(NSString *)timeLength;
+
+@end
+
+
+@class PHFetchResult;
+@interface TZAlbumModel : NSObject
+
+@property (nonatomic, strong) NSString *name;        ///< The album name
+@property (nonatomic, assign) NSInteger count;       ///< Count of photos the album contain
+@property (nonatomic, strong) id result;             ///< PHFetchResult<PHAsset> or ALAssetsGroup<ALAsset>
+
+@end
\ No newline at end of file

TZImagePickerController/TZImagePickerController/TZAssetModel.m

+//
+//  TZAssetModel.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import "TZAssetModel.h"
+
+@implementation TZAssetModel
+
++ (instancetype)modelWithAsset:(id)asset type:(TZAssetModelMediaType)type{
+    TZAssetModel *model = [[TZAssetModel alloc] init];
+    model.asset = asset;
+    model.isSelected = NO;
+    model.type = type;
+    return model;
+}
+
++ (instancetype)modelWithAsset:(id)asset type:(TZAssetModelMediaType)type timeLength:(NSString *)timeLength {
+    TZAssetModel *model = [self modelWithAsset:asset type:type];
+    model.timeLength = timeLength;
+    return model;
+}
+
+@end
+
+
+
+@implementation TZAlbumModel
+
+//+ (instancetype)modelWithPHFetchResult:(id)result count:(NSInteger)count name:(NSString *)name {
+//    TZAlbumModel *model = [[TZAlbumModel alloc] init];
+//    model.result = result;
+//    model.count = count;
+//    model.name = name;
+//    return model;
+//}
+
+@end
\ No newline at end of file

TZImagePickerController/TZImagePickerController/TZImageManager.h

+//
+//  TZImageManager.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 16/1/4.
+//  Copyright © 2016年 谭真. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#import <AVFoundation/AVFoundation.h>
+
+@class TZAlbumModel,TZAssetModel;
+@interface TZImageManager : NSObject
+
++ (instancetype)manager;
+
+/// Return YES if Authorized 返回YES如果得到了授权
+- (BOOL)authorizationStatusAuthorized;
+
+/// Get Album 获得相册/相册数组
+- (void)getCameraRollAlbum:(BOOL)allowPickingVideo completion:(void (^)(TZAlbumModel *model))completion;
+- (void)getAllAlbums:(BOOL)allowPickingVideo completion:(void (^)(NSArray<TZAlbumModel *> *models))completion;
+
+/// Get Asset 获得Asset数组
+- (void)getAssetsFromFetchResult:(id)result allowPickingVideo:(BOOL)allowPickingVideo completion:(void (^)(NSArray<TZAssetModel *> *models))completion;
+
+/// Get photo 获得照片
+- (void)getPostImageWithAlbumModel:(TZAlbumModel *)model completion:(void (^)(UIImage *postImage))completion;
+- (void)getPhotoWithAsset:(id)asset completion:(void (^)(UIImage *photo,NSDictionary *info))completion;
+- (void)getPhotoWithAsset:(id)asset photoWidth:(CGFloat)photoWidth completion:(void (^)(UIImage *photo,NSDictionary *info))completion;
+
+/// Get video 获得视频
+- (void)getVideoWithAsset:(id)asset completion:(void (^)(AVPlayerItem * playerItem, NSDictionary * info))completion;
+
+/// Get photo bytes 获得一组照片的大小
+- (void)getPhotosBytesWithArray:(NSArray *)photos completion:(void (^)(NSString *totalBytes))completion;
+
+@end

TZImagePickerController/TZImagePickerController/TZImagePickerController.h

+//
+//  TZImagePickerController.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+#define kNaviBarAndBottonBarBgColor  ([UIColor colorWithRed:(34/255.0) green:(34/255.0) blue:(34/255.0) alpha:1.0])
+#define kOKButtonTitleColorNormal    ([UIColor colorWithRed:(83/255.0) green:(179/255.0) blue:(17/255.0) alpha:1.0])
+#define kOKButtonTitleColorDisabled  ([UIColor colorWithRed:(83/255.0) green:(179/255.0) blue:(17/255.0) alpha:0.5])
+#define iOS7Later ([UIDevice currentDevice].systemVersion.floatValue >= 7.0f)
+#define iOS8Later ([UIDevice currentDevice].systemVersion.floatValue >= 8.0f)
+#define iOS9Later ([UIDevice currentDevice].systemVersion.floatValue >= 9.0f)
+
+@protocol TZImagePickerControllerDelegate;
+@interface TZImagePickerController : UINavigationController
+
+/// Use this init method / 用这个初始化方法
+- (instancetype)initWithMaxImagesCount:(NSInteger)maxImagesCount delegate:(id<TZImagePickerControllerDelegate>)delegate;
+
+/// Default is 9 / 默认最大可选9张图片
+@property (nonatomic, assign) NSInteger maxImagesCount;
+
+/// Default is YES.if set NO, the original photo button will hide. user can't picking original photo.
+/// 默认为YES，如果设置为NO,原图按钮将隐藏，用户不能选择发送原图
+@property (nonatomic, assign) BOOL allowPickingOriginalPhoto;
+
+/// Default is YES.if set NO, user can't picking video.
+/// 默认为YES，如果设置为NO,用户将不能选择发送视频
+@property (nonatomic, assign) BOOL allowPickingVideo;
+
+- (void)showAlertWithTitle:(NSString *)title;
+- (void)showProgressHUD;
+- (void)hideProgressHUD;
+
+// The picker does not dismiss itself; when client dismisses it these handle will be called.
+// The second array will be a empty array if user not picking original photo.
+// 这个照片选择器不会自己dismiss，用户dismiss这个选择器的时候，会执行下面的handle
+// 如果用户没有选择发送原图,第二个数组将是空数组
+@property (nonatomic, copy) void (^didFinishPickingPhotosHandle)(NSArray<UIImage *> *photos,NSArray *assets);
+@property (nonatomic, copy) void (^didFinishPickingPhotosWithInfosHandle)(NSArray<UIImage *> *photos,NSArray *assets,NSArray<NSDictionary *> *infos);
+@property (nonatomic, copy) void (^imagePickerControllerDidCancelHandle)();
+// If user picking a video, this handle will be called.
+// If system version > iOS8,asset is kind of PHAsset class, else is ALAsset class.
+// 如果用户选择了一个视频，下面的handle会被执行
+// 如果系统版本大于iOS8，asset是PHAsset类的对象，否则是ALAsset类的对象
+@property (nonatomic, copy) void (^didFinishPickingVideoHandle)(UIImage *coverImage,id asset);
+
+@property (nonatomic, weak) id<TZImagePickerControllerDelegate> pickerDelegate;
+
+@end
+
+
+@protocol TZImagePickerControllerDelegate <NSObject>
+@optional
+// The picker does not dismiss itself; the client dismisses it in these callbacks.
+// Assets will be a empty array if user not picking original photo.
+// 这个照片选择器不会自己dismiss，用户dismiss这个选择器的时候，会走下面的回调
+// 如果用户没有选择发送原图,Assets将是空数组
+- (void)imagePickerController:(TZImagePickerController *)picker didFinishPickingPhotos:(NSArray<UIImage *> *)photos sourceAssets:(NSArray *)assets;
+- (void)imagePickerController:(TZImagePickerController *)picker didFinishPickingPhotos:(NSArray<UIImage *> *)photos sourceAssets:(NSArray *)assets infos:(NSArray<NSDictionary *> *)infos;
+- (void)imagePickerControllerDidCancel:(TZImagePickerController *)picker;
+// If user picking a video, this callback will be called.
+// If system version > iOS8,asset is kind of PHAsset class, else is ALAsset class.
+// 如果用户选择了一个视频，下面的handle会被执行
+// 如果系统版本大于iOS8，asset是PHAsset类的对象，否则是ALAsset类的对象
+- (void)imagePickerController:(TZImagePickerController *)picker didFinishPickingVideo:(UIImage *)coverImage sourceAssets:(id)asset;
+@end
+
+
+@interface TZAlbumPickerController : UIViewController
+
+@end

TZImagePickerController/TZImagePickerController/TZImagePickerController.m

+//
+//  TZImagePickerController.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import "TZImagePickerController.h"
+#import "TZPhotoPickerController.h"
+#import "TZPhotoPreviewController.h"
+#import "TZAssetModel.h"
+#import "TZAssetCell.h"
+#import "UIView+Layout.h"
+#import "TZImageManager.h"
+
+@interface TZImagePickerController () {
+    BOOL _pushToPhotoPickerVc;
+    
+    UIButton *_progressHUD;
+    UIView *_HUDContainer;
+    UIActivityIndicatorView *_HUDIndicatorView;
+    UILabel *_HUDLable;
+}
+@end
+
+@implementation TZImagePickerController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.navigationBar.barStyle = UIBarStyleBlack;
+    self.navigationBar.translucent = YES;
+    [UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleLightContent;
+    [UIApplication sharedApplication].statusBarHidden = NO;
+    
+    if (iOS7Later) {
+        self.navigationBar.barTintColor = kNaviBarAndBottonBarBgColor;
+        self.navigationBar.tintColor = [UIColor whiteColor];
+        self.automaticallyAdjustsScrollViewInsets = NO;
+        
+        UIBarButtonItem *barItem = [UIBarButtonItem appearanceWhenContainedInInstancesOfClasses:@[[TZImagePickerController class]]];
+        NSMutableDictionary *textAttrs = [NSMutableDictionary dictionary];
+        textAttrs[NSForegroundColorAttributeName] = [UIColor whiteColor];
+        textAttrs[NSFontAttributeName] = [UIFont systemFontOfSize:15];
+        [barItem setTitleTextAttributes:textAttrs forState:UIControlStateNormal];
+    }
+}
+
+- (instancetype)initWithMaxImagesCount:(NSInteger)maxImagesCount delegate:(id<TZImagePickerControllerDelegate>)delegate {
+    TZAlbumPickerController *albumPickerVc = [[TZAlbumPickerController alloc] init];
+    self = [super initWithRootViewController:albumPickerVc];
+    if (self) {
+        self.maxImagesCount = maxImagesCount > 0 ? maxImagesCount : 9; // Default is 9 / 默认最大可选9张图片
+        self.pickerDelegate = delegate;
+        // Allow user picking original photo and video, you also can set No after this method
+        // 默认准许用户选择原图和视频, 你也可以在这个方法后置为NO
+        _allowPickingOriginalPhoto = YES;
+        _allowPickingVideo = YES;
+        
+        if (![[TZImageManager manager] authorizationStatusAuthorized]) {
+            UILabel *tipLable = [[UILabel alloc] init];
+            tipLable.frame = CGRectMake(8, 0, self.view.width - 16, 300);
+            tipLable.textAlignment = NSTextAlignmentCenter;
+            tipLable.numberOfLines = 0;
+            tipLable.font = [UIFont systemFontOfSize:16];
+            tipLable.textColor = [UIColor blackColor];
+            NSString *appName = [[NSBundle mainBundle].infoDictionary valueForKey:@"CFBundleDisplayName"];
+            if (!appName) appName = [[NSBundle mainBundle].infoDictionary valueForKey:@"CFBundleName"];
+            tipLable.text = [NSString stringWithFormat:@"请在%@的\"设置-隐私-照片\"选项中，\r允许%@访问你的手机相册。",[UIDevice currentDevice].model,appName];
+            [self.view addSubview:tipLable];
+        } else {
+            _pushToPhotoPickerVc = YES;
+            if (_pushToPhotoPickerVc) {
+                TZPhotoPickerController *photoPickerVc = [[TZPhotoPickerController alloc] init];
+                [[TZImageManager manager] getCameraRollAlbum:self.allowPickingVideo completion:^(TZAlbumModel *model) {
+                    photoPickerVc.model = model;
+                    [self pushViewController:photoPickerVc animated:YES];
+                    _pushToPhotoPickerVc = NO;
+                }];
+            }
+        }
+    }
+    return self;
+}
+
+- (void)showAlertWithTitle:(NSString *)title {
+    if (iOS8Later) {
+        UIAlertController *alertController = [UIAlertController alertControllerWithTitle:title message:nil preferredStyle:UIAlertControllerStyleAlert];
+        [alertController addAction:[UIAlertAction actionWithTitle:@"我知道了" style:UIAlertActionStyleDefault handler:nil]];
+        [self presentViewController:alertController animated:YES completion:nil];
+    } else {
+        [[[UIAlertView alloc] initWithTitle:title message:nil delegate:nil cancelButtonTitle:@"我知道了" otherButtonTitles:nil, nil] show];
+    }
+}
+
+- (void)showProgressHUD {
+    if (!_progressHUD) {
+        _progressHUD = [UIButton buttonWithType:UIButtonTypeCustom];
+        [_progressHUD setBackgroundColor:[UIColor clearColor]];
+
+        _HUDContainer = [[UIView alloc] init];
+        _HUDContainer.frame = CGRectMake((self.view.width - 120) / 2, (self.view.height - 90) / 2, 120, 90);
+        _HUDContainer.layer.cornerRadius = 8;
+        _HUDContainer.clipsToBounds = YES;
+        _HUDContainer.backgroundColor = [UIColor darkGrayColor];
+        _HUDContainer.alpha = 0.7;
+        
+        _HUDIndicatorView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite];
+        _HUDIndicatorView.frame = CGRectMake(45, 15, 30, 30);
+        
+        _HUDLable = [[UILabel alloc] init];
+        _HUDLable.frame = CGRectMake(0,40, 120, 50);
+        _HUDLable.textAlignment = NSTextAlignmentCenter;
+        _HUDLable.text = @"正在处理...";
+        _HUDLable.font = [UIFont systemFontOfSize:15];
+        _HUDLable.textColor = [UIColor whiteColor];
+        
+        [_HUDContainer addSubview:_HUDLable];
+        [_HUDContainer addSubview:_HUDIndicatorView];
+        [_progressHUD addSubview:_HUDContainer];
+    }
+    [_HUDIndicatorView startAnimating];
+    [[UIApplication sharedApplication].keyWindow addSubview:_progressHUD];
+}
+
+- (void)hideProgressHUD {
+    if (_progressHUD) {
+        [_HUDIndicatorView stopAnimating];
+        [_progressHUD removeFromSuperview];
+    }
+    [self dismissViewControllerAnimated:YES completion:nil];
+}
+
+- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated {
+    if (iOS7Later) viewController.automaticallyAdjustsScrollViewInsets = NO;
+    if (self.childViewControllers.count > 0) {
+        UIButton *backButton = [[UIButton alloc] initWithFrame:CGRectMake(3, 0, 44, 44)];
+        [backButton setImage:[UIImage imageNamed:@"navi_back"] forState:UIControlStateNormal];
+        backButton.imageEdgeInsets = UIEdgeInsetsMake(0, -5, 0, 0);
+        [backButton setTitle:@"返回" forState:UIControlStateNormal];
+        backButton.titleLabel.font = [UIFont systemFontOfSize:15];
+        [backButton addTarget:self action:@selector(popViewControllerAnimated:) forControlEvents:UIControlEventTouchUpInside];
+        viewController.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:backButton];
+    }
+    [super pushViewController:viewController animated:animated];
+}
+
+@end
+
+
+@interface TZAlbumPickerController ()<UITableViewDataSource,UITableViewDelegate> {
+    UITableView *_tableView;
+    NSMutableArray *_albumArr;
+}
+
+@end
+
+@implementation TZAlbumPickerController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.navigationItem.title = @"照片";
+    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"取消" style:UIBarButtonItemStylePlain target:self action:@selector(cancel)];
+    TZImagePickerController *imagePickerVc = (TZImagePickerController *)self.navigationController;
+    [[TZImageManager manager] getAllAlbums:imagePickerVc.allowPickingVideo completion:^(NSArray<TZAlbumModel *> *models) {
+        _albumArr = [NSMutableArray arrayWithArray:models];
+        [self configTableView];
+    }];
+}
+
+- (void)configTableView {
+    CGFloat top = 44;
+    if (iOS7Later) top += 20;
+    _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, top, self.view.width, self.view.height - top) style:UITableViewStylePlain];
+    _tableView.rowHeight = 70;
+    _tableView.tableFooterView = [[UIView alloc] init];
+    _tableView.dataSource = self;
+    _tableView.delegate = self;
+    [_tableView registerNib:[UINib nibWithNibName:@"TZAlbumCell" bundle:nil] forCellReuseIdentifier:@"TZAlbumCell"];
+    [self.view addSubview:_tableView];
+}
+
+#pragma mark - Click Event
+
+- (void)cancel {
+    [self.navigationController dismissViewControllerAnimated:YES completion:nil];
+    TZImagePickerController *imagePickerVc = (TZImagePickerController *)self.navigationController;
+    if ([imagePickerVc.pickerDelegate respondsToSelector:@selector(imagePickerControllerDidCancel:)]) {
+        [imagePickerVc.pickerDelegate imagePickerControllerDidCancel:imagePickerVc];
+    }
+    if (imagePickerVc.imagePickerControllerDidCancelHandle) {
+        imagePickerVc.imagePickerControllerDidCancelHandle();
+    }
+}
+
+#pragma mark - UITableViewDataSource && Delegate
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
+    return _albumArr.count;
+}
+
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
+    TZAlbumCell *cell = [tableView dequeueReusableCellWithIdentifier:@"TZAlbumCell"];
+    cell.model = _albumArr[indexPath.row];
+    return cell;
+}
+
+- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
+    TZPhotoPickerController *photoPickerVc = [[TZPhotoPickerController alloc] init];
+    photoPickerVc.model = _albumArr[indexPath.row];
+    [self.navigationController pushViewController:photoPickerVc animated:YES];
+    [tableView deselectRowAtIndexPath:indexPath animated:NO];
+}
+
+@end

TZImagePickerController/TZImagePickerController/TZPhotoPickerController.h

+//
+//  TZPhotoPickerController.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@class TZAlbumModel;
+@interface TZPhotoPickerController : UIViewController
+
+@property (nonatomic, strong) TZAlbumModel *model;
+
+@end

TZImagePickerController/TZImagePickerController/TZPhotoPreviewCell.h

+//
+//  TZPhotoPreviewCell.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@class TZAssetModel;
+@interface TZPhotoPreviewCell : UICollectionViewCell
+
+@property (nonatomic, strong) TZAssetModel *model;
+@property (nonatomic, copy) void (^singleTapGestureBlock)();
+
+@end

TZImagePickerController/TZImagePickerController/TZPhotoPreviewCell.m

+//
+//  TZPhotoPreviewCell.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import "TZPhotoPreviewCell.h"
+#import "TZAssetModel.h"
+#import "UIView+Layout.h"
+#import "TZImageManager.h"
+
+@interface TZPhotoPreviewCell ()<UIGestureRecognizerDelegate,UIScrollViewDelegate> {
+    CGFloat _aspectRatio;
+}
+@property (nonatomic, strong) UIScrollView *scrollView;
+@property (nonatomic, strong) UIImageView *imageView;
+@property (nonatomic, strong) UIView *imageContainerView;
+@end
+
+@implementation TZPhotoPreviewCell
+
+- (instancetype)initWithFrame:(CGRect)frame {
+    self = [super initWithFrame:frame];
+    if (self) {
+        self.backgroundColor = [UIColor blackColor];
+        _scrollView = [[UIScrollView alloc] init];
+        _scrollView.frame = CGRectMake(0, 0, self.width, self.height);
+        _scrollView.bouncesZoom = YES;
+        _scrollView.maximumZoomScale = 2.5;
+        _scrollView.minimumZoomScale = 1.0;
+        _scrollView.multipleTouchEnabled = YES;
+        _scrollView.delegate = self;
+        _scrollView.scrollsToTop = NO;
+        _scrollView.showsHorizontalScrollIndicator = NO;
+        _scrollView.showsVerticalScrollIndicator = NO;
+        _scrollView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+        _scrollView.delaysContentTouches = NO;
+        _scrollView.canCancelContentTouches = YES;
+        _scrollView.alwaysBounceVertical = NO;
+        [self addSubview:_scrollView];
+        
+        _imageContainerView = [[UIView alloc] init];
+        _imageContainerView.clipsToBounds = YES;
+        [_scrollView addSubview:_imageContainerView];
+        
+        _imageView = [[UIImageView alloc] init];
+        _imageView.backgroundColor = [UIColor colorWithWhite:1.000 alpha:0.500];
+        _imageView.clipsToBounds = YES;
+        [_imageContainerView addSubview:_imageView];
+        
+        UITapGestureRecognizer *tap1 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(singleTap:)];
+        [self addGestureRecognizer:tap1];
+        UITapGestureRecognizer *tap2 = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(doubleTap:)];
+        tap2.numberOfTapsRequired = 2;
+        [tap1 requireGestureRecognizerToFail:tap2];
+        [self addGestureRecognizer:tap2];
+    }
+    return self;
+}
+
+- (void)setModel:(TZAssetModel *)model {
+    _model = model;
+    [_scrollView setZoomScale:1.0 animated:NO];
+    [[TZImageManager manager] getPhotoWithAsset:model.asset completion:^(UIImage *photo, NSDictionary *info) {
+        self.imageView.image = photo;
+        [self resizeSubviews];
+    }];
+}
+
+- (void)resizeSubviews {
+    _imageContainerView.origin = CGPointZero;
+    _imageContainerView.width = self.width;
+    
+    UIImage *image = _imageView.image;
+    if (image.size.height / image.size.width > self.height / self.width) {
+        _imageContainerView.height = floor(image.size.height / (image.size.width / self.width));
+    } else {
+        CGFloat height = image.size.height / image.size.width * self.width;
+        if (height < 1 || isnan(height)) height = self.height;
+        height = floor(height);
+        _imageContainerView.height = height;
+        _imageContainerView.centerY = self.height / 2;
+    }
+    if (_imageContainerView.height > self.height && _imageContainerView.height - self.height <= 1) {
+        _imageContainerView.height = self.height;
+    }
+    _scrollView.contentSize = CGSizeMake(self.width, MAX(_imageContainerView.height, self.height));
+    [_scrollView scrollRectToVisible:self.bounds animated:NO];
+    _scrollView.alwaysBounceVertical = _imageContainerView.height <= self.height ? NO : YES;
+    _imageView.frame = _imageContainerView.bounds;
+}
+
+#pragma mark - UITapGestureRecognizer Event
+
+- (void)doubleTap:(UITapGestureRecognizer *)tap {
+    if (_scrollView.zoomScale > 1.0) {
+        [_scrollView setZoomScale:1.0 animated:YES];
+    } else {
+        CGPoint touchPoint = [tap locationInView:self.imageView];
+        CGFloat newZoomScale = _scrollView.maximumZoomScale;
+        CGFloat xsize = self.frame.size.width / newZoomScale;
+        CGFloat ysize = self.frame.size.height / newZoomScale;
+        [_scrollView zoomToRect:CGRectMake(touchPoint.x - xsize/2, touchPoint.y - ysize/2, xsize, ysize) animated:YES];
+    }
+}
+
+- (void)singleTap:(UITapGestureRecognizer *)tap {
+    if (self.singleTapGestureBlock) {
+        self.singleTapGestureBlock();
+    }
+}
+
+#pragma mark - UIScrollViewDelegate
+
+- (nullable UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView {
+    return _imageContainerView;
+}
+
+- (void)scrollViewDidZoom:(UIScrollView *)scrollView {
+    CGFloat offsetX = (scrollView.width > scrollView.contentSize.width) ? (scrollView.width - scrollView.contentSize.width) * 0.5 : 0.0;
+    CGFloat offsetY = (scrollView.height > scrollView.contentSize.height) ? (scrollView.height - scrollView.contentSize.height) * 0.5 : 0.0;
+    self.imageContainerView.center = CGPointMake(scrollView.contentSize.width * 0.5 + offsetX, scrollView.contentSize.height * 0.5 + offsetY);
+}
+
+
+@end

TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.h

+//
+//  TZPhotoPreviewController.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface TZPhotoPreviewController : UIViewController
+
+@property (nonatomic, strong) NSArray *photoArr;                ///< All photos / 所有图片的数组
+@property (nonatomic, strong) NSMutableArray *selectedPhotoArr; ///< Current selected photos / 当前选中的图片数组
+@property (nonatomic, assign) NSInteger currentIndex;           ///< Index of the photo user click / 用户点击的图片的索引
+@property (nonatomic, assign) BOOL isSelectOriginalPhoto;       ///< If YES,return original photo / 是否返回原图
+
+/// Return the new selected photos / 返回最新的选中图片数组
+@property (nonatomic, copy) void (^returnNewSelectedPhotoArrBlock)(NSMutableArray *newSeletedPhotoArr, BOOL isSelectOriginalPhoto);
+@property (nonatomic, copy) void (^okButtonClickBlock)(NSMutableArray *newSeletedPhotoArr, BOOL isSelectOriginalPhoto);
+
+@end

TZImagePickerController/TZImagePickerController/TZVideoPlayerController.h

+//
+//  TZVideoPlayerController.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 16/1/5.
+//  Copyright © 2016年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@class TZAssetModel;
+@interface TZVideoPlayerController : UIViewController
+
+@property (nonatomic, strong) TZAssetModel *model;
+
+@end
\ No newline at end of file

TZImagePickerController/TZImagePickerController/TZVideoPlayerController.m

+//
+//  TZVideoPlayerController.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 16/1/5.
+//  Copyright © 2016年 谭真. All rights reserved.
+//
+
+#import "TZVideoPlayerController.h"
+#import <MediaPlayer/MediaPlayer.h>
+#import "UIView+Layout.h"
+#import "TZImageManager.h"
+#import "TZAssetModel.h"
+#import "TZImagePickerController.h"
+#import "TZPhotoPreviewController.h"
+
+@interface TZVideoPlayerController () {
+    AVPlayer *_player;
+    UIButton *_playButton;
+    UIImage *_cover;
+    
+    UIView *_toolBar;
+    UIButton *_okButton;
+    UIProgressView *_progress;
+}
+@end
+
+@implementation TZVideoPlayerController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.view.backgroundColor = [UIColor blackColor];
+    self.navigationItem.title = @"视频预览";
+    [self configMoviePlayer];
+}
+
+- (void)configMoviePlayer {
+    [[TZImageManager manager] getPhotoWithAsset:_model.asset completion:^(UIImage *photo, NSDictionary *info) {
+        _cover = photo;
+    }];
+    [[TZImageManager manager] getVideoWithAsset:_model.asset completion:^(AVPlayerItem *playerItem, NSDictionary *info) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            _player = [AVPlayer playerWithPlayerItem:playerItem];
+            AVPlayerLayer *playerLayer = [AVPlayerLayer playerLayerWithPlayer:_player];
+            playerLayer.frame = self.view.bounds;
+            [self.view.layer addSublayer:playerLayer];
+            [self addProgressObserver];
+            [self configPlayButton];
+            [self configBottomToolBar];
+            [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(pausePlayerAndShowNaviBar) name:AVPlayerItemDidPlayToEndTimeNotification object:_player.currentItem];
+        });
+    }];
+}
+
+/// Show progress，do it next time / 给播放器添加进度更新,下次加上
+-(void)addProgressObserver{
+    AVPlayerItem *playerItem = _player.currentItem;
+    UIProgressView *progress = _progress;
+    [_player addPeriodicTimeObserverForInterval:CMTimeMake(1.0, 1.0) queue:dispatch_get_main_queue() usingBlock:^(CMTime time) {
+        float current = CMTimeGetSeconds(time);
+        float total = CMTimeGetSeconds([playerItem duration]);
+        if (current) {
+            [progress setProgress:(current/total) animated:YES];
+        }
+    }];
+}
+
+- (void)configPlayButton {
+    _playButton = [UIButton buttonWithType:UIButtonTypeCustom];
+    _playButton.frame = CGRectMake(0, 64, self.view.width, self.view.height - 64 - 44);
+    [_playButton setImage:[UIImage imageNamed:@"MMVideoPreviewPlay"] forState:UIControlStateNormal];
+    [_playButton setImage:[UIImage imageNamed:@"MMVideoPreviewPlayHL"] forState:UIControlStateHighlighted];
+    [_playButton addTarget:self action:@selector(playButtonClick) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:_playButton];
+}
+
+- (void)configBottomToolBar {
+    _toolBar = [[UIView alloc] initWithFrame:CGRectMake(0, self.view.height - 44, self.view.width, 44)];
+    CGFloat rgb = 34 / 255.0;
+    _toolBar.backgroundColor = [UIColor colorWithRed:rgb green:rgb blue:rgb alpha:1.0];
+    _toolBar.alpha = 0.7;
+    
+    _okButton = [UIButton buttonWithType:UIButtonTypeCustom];
+    _okButton.frame = CGRectMake(self.view.width - 44 - 12, 0, 44, 44);
+    _okButton.titleLabel.font = [UIFont systemFontOfSize:16];
+    [_okButton addTarget:self action:@selector(okButtonClick) forControlEvents:UIControlEventTouchUpInside];
+    [_okButton setTitle:@"确定" forState:UIControlStateNormal];
+    [_okButton setTitleColor:kOKButtonTitleColorNormal forState:UIControlStateNormal];
+    
+    [_toolBar addSubview:_okButton];
+    [self.view addSubview:_toolBar];
+}
+
+#pragma mark - Click Event
+
+- (void)playButtonClick {
+    CMTime currentTime = _player.currentItem.currentTime;
+    CMTime durationTime = _player.currentItem.duration;
+    if (_player.rate == 0.0f) {
+        if (currentTime.value == durationTime.value) [_player.currentItem seekToTime:CMTimeMake(0, 1)];
+        [_player play];
+        [self.navigationController setNavigationBarHidden:YES];
+        _toolBar.hidden = YES;
+        [_playButton setImage:nil forState:UIControlStateNormal];
+        if (iOS7Later) [UIApplication sharedApplication].statusBarHidden = YES;
+    } else {
+        [self pausePlayerAndShowNaviBar];
+    }
+}
+
+- (void)okButtonClick {
+    TZImagePickerController *imagePickerVc = (TZImagePickerController *)self.navigationController;
+    if ([imagePickerVc.pickerDelegate respondsToSelector:@selector(imagePickerController:didFinishPickingVideo:sourceAssets:)]) {
+        [imagePickerVc.pickerDelegate imagePickerController:imagePickerVc didFinishPickingVideo:_cover sourceAssets:_model.asset];
+    }
+    if (imagePickerVc.didFinishPickingVideoHandle) {
+        imagePickerVc.didFinishPickingVideoHandle(_cover,_model.asset);
+    }
+    [self.navigationController dismissViewControllerAnimated:YES completion:nil];
+}
+
+#pragma mark - Notification Method
+
+- (void)pausePlayerAndShowNaviBar {
+    [_player pause];
+    _toolBar.hidden = NO;
+    [self.navigationController setNavigationBarHidden:NO];
+    [_playButton setImage:[UIImage imageNamed:@"MMVideoPreviewPlay"] forState:UIControlStateNormal];
+    if (iOS7Later) [UIApplication sharedApplication].statusBarHidden = NO;
+}
+
+- (void)dealloc {
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
+@end

TZImagePickerController/TZImagePickerController/UIView+Layout.h

+//
+//  UIView+Layout.h
+//
+//  Created by 谭真 on 15/2/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+typedef enum : NSUInteger {
+    TZOscillatoryAnimationToBigger,
+    TZOscillatoryAnimationToSmaller,
+} TZOscillatoryAnimationType;
+
+@interface UIView (Layout)
+
+@property (nonatomic) CGFloat left;        ///< Shortcut for frame.origin.x.
+@property (nonatomic) CGFloat top;         ///< Shortcut for frame.origin.y
+@property (nonatomic) CGFloat right;       ///< Shortcut for frame.origin.x + frame.size.width
+@property (nonatomic) CGFloat bottom;      ///< Shortcut for frame.origin.y + frame.size.height
+@property (nonatomic) CGFloat width;       ///< Shortcut for frame.size.width.
+@property (nonatomic) CGFloat height;      ///< Shortcut for frame.size.height.
+@property (nonatomic) CGFloat centerX;     ///< Shortcut for center.x
+@property (nonatomic) CGFloat centerY;     ///< Shortcut for center.y
+@property (nonatomic) CGPoint origin;      ///< Shortcut for frame.origin.
+@property (nonatomic) CGSize  size;        ///< Shortcut for frame.size.
+
++ (void)showOscillatoryAnimationWithLayer:(CALayer *)layer type:(TZOscillatoryAnimationType)type;
+
+@end

TZImagePickerController/TZImagePickerController/UIView+Layout.m

+//
+//  UIView+Layout.m
+//
+//  Created by 谭真 on 15/2/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import "UIView+Layout.h"
+
+@implementation UIView (Layout)
+
+- (CGFloat)left {
+    return self.frame.origin.x;
+}
+
+- (void)setLeft:(CGFloat)x {
+    CGRect frame = self.frame;
+    frame.origin.x = x;
+    self.frame = frame;
+}
+
+- (CGFloat)top {
+    return self.frame.origin.y;
+}
+
+- (void)setTop:(CGFloat)y {
+    CGRect frame = self.frame;
+    frame.origin.y = y;
+    self.frame = frame;
+}
+
+- (CGFloat)right {
+    return self.frame.origin.x + self.frame.size.width;
+}
+
+- (void)setRight:(CGFloat)right {
+    CGRect frame = self.frame;
+    frame.origin.x = right - frame.size.width;
+    self.frame = frame;
+}
+
+- (CGFloat)bottom {
+    return self.frame.origin.y + self.frame.size.height;
+}
+
+- (void)setBottom:(CGFloat)bottom {
+    CGRect frame = self.frame;
+    frame.origin.y = bottom - frame.size.height;
+    self.frame = frame;
+}
+
+- (CGFloat)width {
+    return self.frame.size.width;
+}
+
+- (void)setWidth:(CGFloat)width {
+    CGRect frame = self.frame;
+    frame.size.width = width;
+    self.frame = frame;
+}
+
+- (CGFloat)height {
+    return self.frame.size.height;
+}
+
+- (void)setHeight:(CGFloat)height {
+    CGRect frame = self.frame;
+    frame.size.height = height;
+    self.frame = frame;
+}
+
+- (CGFloat)centerX {
+    return self.center.x;
+}
+
+- (void)setCenterX:(CGFloat)centerX {
+    self.center = CGPointMake(centerX, self.center.y);
+}
+
+- (CGFloat)centerY {
+    return self.center.y;
+}
+
+- (void)setCenterY:(CGFloat)centerY {
+    self.center = CGPointMake(self.center.x, centerY);
+}
+
+- (CGPoint)origin {
+    return self.frame.origin;
+}
+
+- (void)setOrigin:(CGPoint)origin {
+    CGRect frame = self.frame;
+    frame.origin = origin;
+    self.frame = frame;
+}
+
+- (CGSize)size {
+    return self.frame.size;
+}
+
+- (void)setSize:(CGSize)size {
+    CGRect frame = self.frame;
+    frame.size = size;
+    self.frame = frame;
+}
+
++ (void)showOscillatoryAnimationWithLayer:(CALayer *)layer type:(TZOscillatoryAnimationType)type{
+    NSNumber *animationScale1 = type == TZOscillatoryAnimationToBigger ? @(1.15) : @(0.5);
+    NSNumber *animationScale2 = type == TZOscillatoryAnimationToBigger ? @(0.92) : @(1.15);
+    
+    [UIView animateWithDuration:0.15 delay:0 options:UIViewAnimationOptionBeginFromCurrentState | UIViewAnimationOptionCurveEaseInOut animations:^{
+        [layer setValue:animationScale1 forKeyPath:@"transform.scale"];
+    } completion:^(BOOL finished) {
+        [UIView animateWithDuration:0.15 delay:0 options:UIViewAnimationOptionBeginFromCurrentState | UIViewAnimationOptionCurveEaseInOut animations:^{
+            [layer setValue:animationScale2 forKeyPath:@"transform.scale"];
+        } completion:^(BOOL finished) {
+            [UIView animateWithDuration:0.1 delay:0 options:UIViewAnimationOptionBeginFromCurrentState | UIViewAnimationOptionCurveEaseInOut animations:^{
+                [layer setValue:@(1.0) forKeyPath:@"transform.scale"];
+            } completion:nil];
+        }];
+    }];
+}
+
+@end

TZImagePickerController/TZTestCell.h

+//
+//  TZTestCell.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 16/1/3.
+//  Copyright © 2016年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface TZTestCell : UICollectionViewCell
+
+@property (nonatomic, strong) UIImageView *imageView;
+
+@end
+

TZImagePickerController/TZTestCell.m

+//
+//  TZTestCell.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 16/1/3.
+//  Copyright © 2016年 谭真. All rights reserved.
+//
+
+#import "TZTestCell.h"
+
+@implementation TZTestCell
+
+- (instancetype)initWithFrame:(CGRect)frame {
+    self = [super initWithFrame:frame];
+    if (self) {
+        self.backgroundColor = [UIColor whiteColor];
+        _imageView = [[UIImageView alloc] init];
+        _imageView.backgroundColor = [UIColor colorWithWhite:1.000 alpha:0.500];
+        _imageView.contentMode = UIViewContentModeScaleAspectFill;
+        [self addSubview:_imageView];
+        self.clipsToBounds = YES;
+    }
+    return self;
+}
+
+- (void)layoutSubviews {
+    [super layoutSubviews];
+    _imageView.frame = self.bounds;
+}
+
+@end

TZImagePickerController/ViewController.h

+//
+//  ViewController.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface ViewController : UIViewController
+
+
+@end
+

TZImagePickerController/ViewController.m

+//
+//  ViewController.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import "ViewController.h"
+#import "TZImagePickerController.h"
+#import "UIView+Layout.h"
+#import "TZTestCell.h"
+
+@interface ViewController ()<TZImagePickerControllerDelegate,UICollectionViewDataSource,UICollectionViewDelegate> {
+    UICollectionView *_collectionView;
+    NSMutableArray *_selectedPhotos;
+    NSMutableArray *_selectedAssets;
+
+    CGFloat _itemWH;
+    CGFloat _margin;
+}
+@end
+
+@implementation ViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.view.backgroundColor = [UIColor whiteColor];
+    _selectedPhotos = [NSMutableArray array];
+    _selectedAssets = [NSMutableArray array];
+    [self configCollectionView];
+}
+
+- (void)configCollectionView {
+    UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
+    _margin = 4;
+    _itemWH = (self.view.width - 2 * _margin - 4) / 3 - _margin;
+    layout.itemSize = CGSizeMake(_itemWH, _itemWH);
+    layout.minimumInteritemSpacing = _margin;
+    layout.minimumLineSpacing = _margin;
+    _collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(_margin, 120, self.view.width - 2 * _margin, 400) collectionViewLayout:layout];
+    CGFloat rgb = 244 / 255.0;
+    _collectionView.backgroundColor = [UIColor colorWithRed:rgb green:rgb blue:rgb alpha:1.0];
+    _collectionView.contentInset = UIEdgeInsetsMake(4, 0, 0, 2);
+    _collectionView.scrollIndicatorInsets = UIEdgeInsetsMake(0, 0, 0, -2);
+    _collectionView.dataSource = self;
+    _collectionView.delegate = self;
+    [self.view addSubview:_collectionView];
+    [_collectionView registerClass:[TZTestCell class] forCellWithReuseIdentifier:@"TZTestCell"];
+}
+
+#pragma mark UICollectionView
+
+- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
+    return _selectedPhotos.count + 1;
+}
+
+- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
+    TZTestCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"TZTestCell" forIndexPath:indexPath];
+    if (indexPath.row == _selectedPhotos.count) {
+        cell.imageView.image = [UIImage imageNamed:@"AlbumAddBtn"];
+    } else {
+        cell.imageView.image = _selectedPhotos[indexPath.row];
+    }
+    return cell;
+}
+
+- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
+    if (indexPath.row == _selectedPhotos.count) [self pickPhotoButtonClick:nil];
+}
+
+#pragma mark Click Event
+
+- (IBAction)pickPhotoButtonClick:(UIButton *)sender {
+    TZImagePickerController *imagePickerVc = [[TZImagePickerController alloc] initWithMaxImagesCount:9 delegate:self];
+    
+    // You can get the photos by block, the same as by delegate.
+    // 你可以通过block或者代理，来得到用户选择的照片.
+    [imagePickerVc setDidFinishPickingPhotosHandle:^(NSArray<UIImage *> *photos, NSArray *assets) {
+    
+    }];
+    [self presentViewController:imagePickerVc animated:YES completion:nil];
+}
+
+#pragma mark TZImagePickerControllerDelegate
+
+/// User click cancel button
+/// 用户点击了取消
+- (void)imagePickerControllerDidCancel:(TZImagePickerController *)picker {
+    NSLog(@"cancel");
+}
+
+/// User finish picking photo，if assets are not empty, user picking original photo.
+/// 用户选择好了图片，如果assets非空，则用户选择了原图。
+- (void)imagePickerController:(TZImagePickerController *)picker didFinishPickingPhotos:(NSArray *)photos sourceAssets:(NSArray *)assets{
+    [_selectedPhotos addObjectsFromArray:photos];
+    [_collectionView reloadData];
+    _collectionView.contentSize = CGSizeMake(0, ((_selectedPhotos.count + 2) / 3 ) * (_margin + _itemWH));
+}
+
+/// User finish picking video,
+/// 用户选择好了视频
+- (void)imagePickerController:(TZImagePickerController *)picker didFinishPickingVideo:(UIImage *)coverImage sourceAssets:(id)asset {
+    [_selectedPhotos addObjectsFromArray:@[coverImage]];
+    [_collectionView reloadData];
+    _collectionView.contentSize = CGSizeMake(0, ((_selectedPhotos.count + 2) / 3 ) * (_margin + _itemWH));
+}
+
+
+@end

TZImagePickerController/main.m

+//
+//  main.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+#import "AppDelegate.h"
+
+int main(int argc, char * argv[]) {
+    @autoreleasepool {
+        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+    }
+}

TZImagePickerControllerTests/Info.plist

+<?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>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

TZImagePickerControllerTests/TZImagePickerControllerTests.m

+//
+//  TZImagePickerControllerTests.m
+//  TZImagePickerControllerTests
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+
+@interface TZImagePickerControllerTests : XCTestCase
+
+@end
+
+@implementation TZImagePickerControllerTests
+
+- (void)setUp {
+    [super setUp];
+    // Put setup code here. This method is called before the invocation of each test method in the class.
+}
+
+- (void)tearDown {
+    // Put teardown code here. This method is called after the invocation of each test method in the class.
+    [super tearDown];
+}
+
+- (void)testExample {
+    // This is an example of a functional test case.
+    // Use XCTAssert and related functions to verify your tests produce the correct results.
+}
+
+- (void)testPerformanceExample {
+    // This is an example of a performance test case.
+    [self measureBlock:^{
+        // Put the code you want to measure the time of here.
+    }];
+}
+
+@end

TZImagePickerControllerUITests/Info.plist

+<?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>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>BNDL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+</dict>
+</plist>

TZImagePickerControllerUITests/TZImagePickerControllerUITests.m

+//
+//  TZImagePickerControllerUITests.m
+//  TZImagePickerControllerUITests
+//
+//  Created by 谭真 on 15/12/24.
+//  Copyright © 2015年 谭真. All rights reserved.
+//
+
+#import <XCTest/XCTest.h>
+
+@interface TZImagePickerControllerUITests : XCTestCase
+
+@end
+
+@implementation TZImagePickerControllerUITests
+
+- (void)setUp {
+    [super setUp];
+    
+    // Put setup code here. This method is called before the invocation of each test method in the class.
+    
+    // In UI tests it is usually best to stop immediately when a failure occurs.
+    self.continueAfterFailure = NO;
+    // UI tests must launch the application that they test. Doing this in setup will make sure it happens for each test method.
+    [[[XCUIApplication alloc] init] launch];
+    
+    // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this.
+}
+
+- (void)tearDown {
+    // Put teardown code here. This method is called after the invocation of each test method in the class.
+    [super tearDown];
+}
+
+- (void)testExample {
+    // Use recording to get started writing UI tests.
+    // Use XCTAssert and related functions to verify your tests produce the correct results.
+}
+
+@end