拍照时将定位信息存储到照片中

TZImagePickerController.xcodeproj/project.pbxproj

@@ -27,6 +27,7 @@
 		900EF00F1C2C0B1100EA709B /* TZAssetModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 900EF00E1C2C0B1100EA709B /* TZAssetModel.m */; };
 		900EF0121C2C107400EA709B /* TZPhotoPreviewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 900EF0111C2C107400EA709B /* TZPhotoPreviewController.m */; };
 		900EF0161C2C134900EA709B /* TZPhotoPreviewCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 900EF0141C2C134900EA709B /* TZPhotoPreviewCell.m */; };
+		902938D81EE2D02C000F2F8F /* TZLocationManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 902938D71EE2D02C000F2F8F /* TZLocationManager.m */; };
 		9038D5911C3974F0007DE549 /* TZTestCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 9038D5901C3974F0007DE549 /* TZTestCell.m */; };
 		90CE84AE1C3A89EF003D0779 /* TZImageManager.m in Sources */ = {isa = PBXBuildFile; fileRef = 90CE84AD1C3A89EF003D0779 /* TZImageManager.m */; };
 		90CE84B71C3BABB6003D0779 /* TZVideoPlayerController.m in Sources */ = {isa = PBXBuildFile; fileRef = 90CE84B61C3BABB6003D0779 /* TZVideoPlayerController.m */; };
@@ -92,6 +93,8 @@
 		900EF0111C2C107400EA709B /* TZPhotoPreviewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = TZPhotoPreviewController.m; sourceTree = "<group>"; };
 		900EF0131C2C134800EA709B /* TZPhotoPreviewCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = TZPhotoPreviewCell.h; sourceTree = "<group>"; };
 		900EF0141C2C134900EA709B /* TZPhotoPreviewCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = TZPhotoPreviewCell.m; sourceTree = "<group>"; };
+		902938D61EE2D02C000F2F8F /* TZLocationManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = TZLocationManager.h; sourceTree = "<group>"; };
+		902938D71EE2D02C000F2F8F /* TZLocationManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = TZLocationManager.m; sourceTree = "<group>"; };
 		9038D58F1C3974F0007DE549 /* TZTestCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = TZTestCell.h; sourceTree = "<group>"; };
 		9038D5901C3974F0007DE549 /* TZTestCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = TZTestCell.m; sourceTree = "<group>"; };
 		90CE84AC1C3A89EF003D0779 /* TZImageManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = TZImageManager.h; sourceTree = "<group>"; };
@@ -227,6 +230,8 @@
 				90CE84AD1C3A89EF003D0779 /* TZImageManager.m */,
 				6DC84D081DF5358500A107A9 /* TZImageCropManager.h */,
 				6DC84D091DF5358500A107A9 /* TZImageCropManager.m */,
+				902938D61EE2D02C000F2F8F /* TZLocationManager.h */,
+				902938D71EE2D02C000F2F8F /* TZLocationManager.m */,
 				90EBF5D41C2E298000CB9BCC /* UIView+Layout.h */,
 				90EBF5D51C2E298000CB9BCC /* UIView+Layout.m */,
 				6D5358CB1D64600F00928CC6 /* NSBundle+TZImagePicker.h */,
@@ -386,6 +391,7 @@
 				900EF0121C2C107400EA709B /* TZPhotoPreviewController.m in Sources */,
 				6D5358CD1D64600F00928CC6 /* NSBundle+TZImagePicker.m in Sources */,
 				900EEFF81C2BBF9500EA709B /* TZImagePickerController.m in Sources */,
+				902938D81EE2D02C000F2F8F /* TZLocationManager.m in Sources */,
 				6DC84D0A1DF5358500A107A9 /* TZImageCropManager.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;

TZImagePickerController/Info.plist

@@ -26,6 +26,8 @@
 	<string>访问相机以拍照</string>
 	<key>NSPhotoLibraryUsageDescription</key>
 	<string>访问相册以选择照片</string>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string>允许定位以把位置保存到照片中</string>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>

TZImagePickerController/TZImagePickerController/TZImageManager.h

@@ -66,6 +66,7 @@
 
 /// Save photo 保存照片
 - (void)savePhotoWithImage:(UIImage *)image completion:(void (^)(NSError *error))completion;
+- (void)savePhotoWithImage:(UIImage *)image location:(CLLocation *)location completion:(void (^)(NSError *error))completion;
 
 /// Get video 获得视频
 - (void)getVideoWithAsset:(id)asset completion:(void (^)(AVPlayerItem * playerItem, NSDictionary * info))completion;

TZImagePickerController/TZImagePickerController/TZImageManager.m

@@ -558,12 +558,21 @@ static CGFloat TZScreenScale;
 #pragma mark - Save photo
 
 - (void)savePhotoWithImage:(UIImage *)image completion:(void (^)(NSError *error))completion {
+    [self savePhotoWithImage:image location:nil completion:completion];
+}
+
+- (void)savePhotoWithImage:(UIImage *)image location:(CLLocation *)location completion:(void (^)(NSError *error))completion {
     NSData *data = UIImageJPEGRepresentation(image, 0.9);
     if (iOS9Later) { // 这里有坑... iOS8系统下这个方法保存图片会失败 原来是因为PHAssetResourceType是iOS9之后的...
         [[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
             PHAssetResourceCreationOptions *options = [[PHAssetResourceCreationOptions alloc] init];
             options.shouldMoveFile = YES;
-            [[PHAssetCreationRequest creationRequestForAsset] addResourceWithType:PHAssetResourceTypePhoto data:data options:options];
+            PHAssetCreationRequest *request = [PHAssetCreationRequest creationRequestForAsset];
+            [request addResourceWithType:PHAssetResourceTypePhoto data:data options:options];
+            if (location) {
+                request.location = location;
+            }
+            request.creationDate = [NSDate date];
         } completionHandler:^(BOOL success, NSError * _Nullable error) {
             dispatch_sync(dispatch_get_main_queue(), ^{
                 if (success && completion) {

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 1.7.9 - 2017.04.01
+//  version 1.8.0 - 2017.06.03
 
 /*
  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/TZImagePickerController.m

@@ -4,7 +4,7 @@
 //
 //  Created by 谭真 on 15/12/24.
 //  Copyright © 2015年 谭真. All rights reserved.
-//  version 1.7.9 - 2017.04.01
+//  version 1.8.0 - 2017.06.03
 
 #import "TZImagePickerController.h"
 #import "TZPhotoPickerController.h"

TZImagePickerController/TZImagePickerController/TZLocationManager.h

+//
+//  TZLocationManager.h
+//  TZImagePickerController
+//
+//  Created by 谭真 on 2017/06/03.
+//  Copyright © 2017年 谭真. All rights reserved.
+//  定位管理类
+
+
+#import <Foundation/Foundation.h>
+#import <CoreLocation/CoreLocation.h>
+
+@interface TZLocationManager : NSObject
+
++ (instancetype)manager;
+
+/// 开始定位
+- (void)startLocation;
+- (void)startLocationWithSuccessBlock:(void (^)(CLLocation *location,CLLocation *oldLocation))successBlock failureBlock:(void (^)(NSError *error))failureBlock;
+- (void)startLocationWithGeocoderBlock:(void (^)(NSArray *geocoderArray))geocoderBlock;
+- (void)startLocationWithSuccessBlock:(void (^)(CLLocation *location,CLLocation *oldLocation))successBlock failureBlock:(void (^)(NSError *error))failureBlock geocoderBlock:(void (^)(NSArray *geocoderArray))geocoderBlock;
+
+@end
+

TZImagePickerController/TZImagePickerController/TZLocationManager.m

+//
+//  TZLocationManager.m
+//  TZImagePickerController
+//
+//  Created by 谭真 on 2017/06/03.
+//  Copyright © 2017年 谭真. All rights reserved.
+//  定位管理类
+
+#import "TZLocationManager.h"
+#import "TZImagePickerController.h"
+
+@interface TZLocationManager ()<CLLocationManagerDelegate>
+@property (nonatomic, strong) CLLocationManager *locationManager;
+/// 定位成功的回调block
+@property (nonatomic, copy) void (^successBlock)(CLLocation *location,CLLocation *oldLocation);
+/// 编码成功的回调block
+@property (nonatomic, copy) void (^geocodeBlock)(NSArray *geocodeArray);
+/// 定位失败的回调block
+@property (nonatomic, copy) void (^failureBlock)(NSError *error);
+@end
+
+@implementation TZLocationManager
+
++ (instancetype)manager {
+    static TZLocationManager *manager;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        manager = [[self alloc] init];
+        manager.locationManager = [[CLLocationManager alloc] init];
+        manager.locationManager.delegate = manager;
+        if (iOS8Later) {
+            [manager.locationManager requestWhenInUseAuthorization];
+        }
+    });
+    return manager;
+}
+
+- (void)startLocation {
+    [self startLocationWithSuccessBlock:nil failureBlock:nil geocoderBlock:nil];
+}
+
+- (void)startLocationWithSuccessBlock:(void (^)(CLLocation *location,CLLocation *oldLocation))successBlock failureBlock:(void (^)(NSError *error))failureBlock {
+    [self startLocationWithSuccessBlock:successBlock failureBlock:failureBlock geocoderBlock:nil];
+}
+
+- (void)startLocationWithGeocoderBlock:(void (^)(NSArray *geocoderArray))geocoderBlock {
+    [self startLocationWithSuccessBlock:nil failureBlock:nil geocoderBlock:geocoderBlock];
+}
+
+- (void)startLocationWithSuccessBlock:(void (^)(CLLocation *location,CLLocation *oldLocation))successBlock failureBlock:(void (^)(NSError *error))failureBlock geocoderBlock:(void (^)(NSArray *geocoderArray))geocoderBlock {
+    [self.locationManager startUpdatingLocation];
+    _successBlock = successBlock;
+    _geocodeBlock = geocoderBlock;
+    _failureBlock = failureBlock;
+}
+
+#pragma mark - CLLocationManagerDelegate
+
+/// 地理位置发生改变时触发
+- (void)locationManager:(CLLocationManager *)manager didUpdateToLocation:(CLLocation *)newLocation fromLocation:(CLLocation *)oldLocation {
+    [manager stopUpdatingLocation];
+    
+    if (_successBlock) {
+        _successBlock(newLocation,oldLocation);
+    }
+    
+    if (_geocodeBlock) {
+        CLGeocoder *geocoder = [[CLGeocoder alloc] init];
+        [geocoder reverseGeocodeLocation:newLocation completionHandler:^(NSArray *array, NSError *error) {
+            _geocodeBlock(array);
+        }];
+    }
+}
+
+/// 定位失败回调方法
+- (void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error {
+    NSLog(@"定位失败, 错误: %@",error);
+    switch([error code]) {
+        case kCLErrorDenied: { // 用户禁止了定位权限
+            
+        } break;
+        default: break;
+    }
+    if (_failureBlock) {
+        _failureBlock(error);
+    }
+}
+
+@end

TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m

@@ -15,6 +15,7 @@
 #import "TZImageManager.h"
 #import "TZVideoPlayerController.h"
 #import "TZGifPhotoPreviewController.h"
+#import "TZLocationManager.h"
 
 @interface TZPhotoPickerController ()<UICollectionViewDataSource,UICollectionViewDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate,UIAlertViewDelegate> {
     NSMutableArray *_models;
@@ -33,6 +34,7 @@
 @property (nonatomic, assign) BOOL isSelectOriginalPhoto;
 @property (nonatomic, strong) TZCollectionView *collectionView;
 @property (nonatomic, strong) UIImagePickerController *imagePickerVc;
+@property (strong, nonatomic) CLLocation *location;
 @end
 
 static CGSize AssetGridThumbnailSize;
@@ -519,6 +521,13 @@ static CGSize AssetGridThumbnailSize;
 
 // 调用相机
 - (void)pushImagePickerController {
+    // 提前定位
+    [[TZLocationManager manager] startLocationWithSuccessBlock:^(CLLocation *location, CLLocation *oldLocation) {
+        _location = location;
+    } failureBlock:^(NSError *error) {
+        _location = nil;
+    }];
+    
     UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
     if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]) {
         self.imagePickerVc.sourceType = sourceType;
@@ -640,13 +649,14 @@ static CGSize AssetGridThumbnailSize;
     if ([type isEqualToString:@"public.image"]) {
         TZImagePickerController *imagePickerVc = (TZImagePickerController *)self.navigationController;
         [imagePickerVc showProgressHUD];
-        UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];
-        if (image) {
-            [[TZImageManager manager] savePhotoWithImage:image completion:^(NSError *error){
+        UIImage *photo = [info objectForKey:UIImagePickerControllerOriginalImage];
+        if (photo) {
+            [[TZImageManager manager] savePhotoWithImage:photo location:self.location completion:^(NSError *error){
                 if (!error) {
                     [self reloadPhotoArray];
                 }
             }];
+            self.location = nil;
         }
     }
 }

TZImagePickerController/ViewController.m

@@ -17,6 +17,7 @@
 #import "TZVideoPlayerController.h"
 #import "TZPhotoPreviewController.h"
 #import "TZGifPhotoPreviewController.h"
+#import "TZLocationManager.h"
 
 @interface ViewController ()<TZImagePickerControllerDelegate,UICollectionViewDataSource,UICollectionViewDelegate,UIActionSheetDelegate,UIImagePickerControllerDelegate,UIAlertViewDelegate,UINavigationControllerDelegate> {
     NSMutableArray *_selectedPhotos;
@@ -28,6 +29,7 @@
 }
 @property (nonatomic, strong) UIImagePickerController *imagePickerVc;
 @property (nonatomic, strong) UICollectionView *collectionView;
+@property (strong, nonatomic) CLLocation *location;
 // 6个设置开关
 @property (weak, nonatomic) IBOutlet UISwitch *showTakePhotoBtnSwitch;  ///< 在内部显示拍照按钮
 @property (weak, nonatomic) IBOutlet UISwitch *sortAscendingSwitch;     ///< 照片排列按修改时间升序
@@ -297,6 +299,13 @@
 
 // 调用相机
 - (void)pushImagePickerController {
+    // 提前定位
+    [[TZLocationManager manager] startLocationWithSuccessBlock:^(CLLocation *location, CLLocation *oldLocation) {
+        _location = location;
+    } failureBlock:^(NSError *error) {
+        _location = nil;
+    }];
+    
     UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
     if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]) {
         self.imagePickerVc.sourceType = sourceType;
@@ -317,8 +326,9 @@
         tzImagePickerVc.sortAscendingByModificationDate = self.sortAscendingSwitch.isOn;
         [tzImagePickerVc showProgressHUD];
         UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];
+        
         // save photo and get asset / 保存图片，获取到asset
-        [[TZImageManager manager] savePhotoWithImage:image completion:^(NSError *error){
+        [[TZImageManager manager] savePhotoWithImage:image location:self.location completion:^(NSError *error){
             if (error) {
                 [tzImagePickerVc hideProgressHUD];
                 NSLog(@"图片保存失败 %@",error);
@@ -351,6 +361,11 @@
     [_selectedAssets addObject:asset];
     [_selectedPhotos addObject:image];
     [_collectionView reloadData];
+    
+    if ([asset isKindOfClass:[PHAsset class]]) {
+        PHAsset *phAsset = asset;
+        NSLog(@"location:%@",phAsset.location);
+    }
 }
 
 - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
@@ -417,6 +432,12 @@
     
     // 1.打印图片名字
     [self printAssetsName:assets];
+    // 2.图片位置信息
+    if (iOS8Later) {
+        for (PHAsset *phAsset in assets) {
+            NSLog(@"location:%@",phAsset.location);
+        }
+    }
 }
 
 // If user picking a video, this callback will be called.