可把拍照按钮放在外面了

TZImagePickerController.podspec

 Pod::Spec.new do |s|
   s.name         = "TZImagePickerController"
-  s.version      = "1.4.5"
+  s.version      = "1.5.0"
   s.summary      = "A clone of UIImagePickerController, support picking multiple photos、original photo and video"
   s.homepage     = "https://github.com/banchichen/TZImagePickerController"
   s.license      = "MIT"
   s.author       = { "banchichen" => "736420282@qq.com" }
   s.platform     = :ios
   s.ios.deployment_target = "6.0"
-  s.source       = { :git => "https://github.com/banchichen/TZImagePickerController.git", :tag => "1.4.5" }
+  s.source       = { :git => "https://github.com/banchichen/TZImagePickerController.git", :tag => "1.5.0" }
   s.requires_arc = true
   s.resources    = "TZImagePickerController/TZImagePickerController/*.{png,xib,nib,bundle}"
   s.source_files = "TZImagePickerController/TZImagePickerController/*.{h,m}"

TZImagePickerController/Base.lproj/Main.storyboard

@@ -113,10 +113,10 @@
                                             <switch opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" fixedFrame="YES" contentHorizontalAlignment="center" contentVerticalAlignment="center" translatesAutoresizingMaskIntoConstraints="NO" id="uHt-bT-lBZ">
                                                 <rect key="frame" x="225" y="6" width="51" height="31"/>
                                                 <connections>
-                                                    <action selector="showSheetSwitchClick:" destination="BYZ-38-t0r" eventType="valueChanged" id="sRv-xW-VSh"/>
+                                                    <action selector="showSheetSwitchClick:" destination="BYZ-38-t0r" eventType="valueChanged" id="kmV-vK-SDz"/>
                                                 </connections>
                                             </switch>
-                                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="把拍照按钮放在外面(未实现)" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="jop-5R-ioj">
+                                            <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" fixedFrame="YES" text="把拍照按钮放在外面" textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="jop-5R-ioj">
                                                 <rect key="frame" x="0.0" y="0.0" width="200" height="44"/>
                                                 <fontDescription key="fontDescription" type="system" pointSize="15"/>
                                                 <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>

TZImagePickerController/Info.plist

@@ -17,7 +17,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4.5</string>
+	<string>1.5.0</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

TZImagePickerController/TZImagePickerController/TZImagePickerController.h

@@ -4,7 +4,7 @@
 //
 //  Created by 谭真 on 15/12/24.
 //  Copyright © 2015年 谭真. All rights reserved.
-//  version 1.4.5
+//  version 1.5.0
 
 /*
  经过测试，比起xib的方式，把TZAssetCell改用纯代码的方式来写，滑动帧数明显提高了（约提高10帧左右）

TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m

@@ -15,7 +15,7 @@
 #import "TZImageManager.h"
 #import "TZVideoPlayerController.h"
 
-@interface TZPhotoPickerController ()<UICollectionViewDataSource,UICollectionViewDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate> {
+@interface TZPhotoPickerController ()<UICollectionViewDataSource,UICollectionViewDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate,UIAlertViewDelegate> {
     NSMutableArray *_models;
     
     UIButton *_previewButton;
@@ -357,10 +357,10 @@ static CGSize AssetGridThumbnailSize;
 }
 
 - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath {
-    // take a picture / 去拍照
+    // take a photo / 去拍照
     TZImagePickerController *tzImagePickerVc = (TZImagePickerController *)self.navigationController;
     if (((tzImagePickerVc.sortAscendingByModificationDate && indexPath.row >= _models.count) || (!tzImagePickerVc.sortAscendingByModificationDate && indexPath.row == 0)) && _showTakePhotoBtn)  {
-        [self takePicture]; return;
+        [self takePhoto]; return;
     }
     // preview phote or video / 预览照片或视频
     NSInteger index = indexPath.row;
@@ -395,16 +395,23 @@ static CGSize AssetGridThumbnailSize;
 
 #pragma mark - Private Method
 
-- (void)takePicture {
-    UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
-    if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]) {
-        self.imagePickerVc.sourceType = sourceType;
-        if(iOS8Later) {
-            _imagePickerVc.modalPresentationStyle = UIModalPresentationOverCurrentContext;
+- (void)takePhoto {
+    AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
+    if ((authStatus == AVAuthorizationStatusRestricted || authStatus ==AVAuthorizationStatusDenied) && iOS8Later) {
+        // 无权限 做一个友好的提示
+        UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"无法使用相机" message:@"请在iPhone的""设置-隐私-相机""中允许访问相机" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"设置", nil];
+        [alert show];
+    } else { // 调用相机
+        UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
+        if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]) {
+            self.imagePickerVc.sourceType = sourceType;
+            if(iOS8Later) {
+                _imagePickerVc.modalPresentationStyle = UIModalPresentationOverCurrentContext;
+            }
+            [self presentViewController:_imagePickerVc animated:YES completion:nil];
+        } else {
+            NSLog(@"模拟器中无法打开照相机,请在真机中使用");
         }
-        [self presentViewController:_imagePickerVc animated:YES completion:nil];
-    } else {
-        NSLog(@"模拟器中无法打开照相机,请在真机中使用");
     }
 }
 
@@ -487,6 +494,18 @@ static CGSize AssetGridThumbnailSize;
     }
 }
 
+#pragma mark - UIAlertViewDelegate
+
+- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
+    if (buttonIndex == 1) { // 去设置界面，开启相机访问权限
+        if (iOS8Later) {
+            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
+        } else {
+            // [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=Privacy&path=Photos"]];
+        }
+    }
+}
+
 #pragma mark - UIImagePickerControllerDelegate
 
 - (void)imagePickerController:(UIImagePickerController*)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {