feat: save metadata to Album，adapt iOS13

Author: yuzheng

TZImagePickerController/TZImagePickerController/TZImageManager.h

@@ -80,6 +80,7 @@
 /// Save photo 保存照片
 - (void)savePhotoWithImage:(UIImage *)image completion:(void (^)(PHAsset *asset, NSError *error))completion;
 - (void)savePhotoWithImage:(UIImage *)image location:(CLLocation *)location completion:(void (^)(PHAsset *asset, NSError *error))completion;
+- (void)savePhotoWithImage:(UIImage *)image meta:(NSDictionary *)meta location:(CLLocation *)location completion:(void (^)(PHAsset *asset, NSError *error))completion;
 
 /// Save video 保存视频
 - (void)saveVideoWithUrl:(NSURL *)url completion:(void (^)(PHAsset *asset, NSError *error))completion;

TZImagePickerController/TZImagePickerController/TZImageManager.m

@@ -9,6 +9,7 @@
 #import "TZImageManager.h"
 #import "TZAssetModel.h"
 #import "TZImagePickerController.h"
+#import <CoreServices/CoreServices.h>
 
 @interface TZImageManager ()
 #pragma clang diagnostic push
@@ -497,6 +498,43 @@ - (void)savePhotoWithImage:(UIImage *)image location:(CLLocation *)location comp
     }];
 }
 
+- (void)savePhotoWithImage:(UIImage *)image meta:(NSDictionary *)meta location:(CLLocation *)location completion:(void (^)(PHAsset *asset, NSError *error))completion {
+    NSData *imageData = UIImageJPEGRepresentation(image, 1.0f);
+    CGImageSourceRef source = CGImageSourceCreateWithData((__bridge CFDataRef)imageData, NULL);
+    NSDateFormatter *formater = [[NSDateFormatter alloc] init];
+    [formater setDateFormat:@"yyyy-MM-dd-HH:mm:ss-SSS"];
+    NSString *path = [NSTemporaryDirectory() stringByAppendingFormat:@"image-%@.jpg", [formater stringFromDate:[NSDate date]]];
+    NSURL *tmpURL = [NSURL fileURLWithPath:path];
+    CGImageDestinationRef destination = CGImageDestinationCreateWithURL((__bridge CFURLRef)tmpURL, kUTTypeJPEG, 1, NULL);
+    CGImageDestinationAddImageFromSource(destination, source, 0, (__bridge CFDictionaryRef)meta);
+    CGImageDestinationFinalize(destination);
+    CFRelease(source);
+    CFRelease(destination);
+    
+    __block NSString *localIdentifier = nil;
+    [[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
+        PHAssetChangeRequest *request = [PHAssetChangeRequest creationRequestForAssetFromImageAtFileURL:tmpURL];
+        localIdentifier = request.placeholderForCreatedAsset.localIdentifier;
+        if (location) {
+            request.location = location;
+        }
+        request.creationDate = [NSDate date];
+    } completionHandler:^(BOOL success, NSError *error) {
+        [[NSFileManager defaultManager] removeItemAtPath:path error:nil];
+        dispatch_async(dispatch_get_main_queue(), ^{
+            if (success && completion) {
+                PHAsset *asset = [[PHAsset fetchAssetsWithLocalIdentifiers:@[localIdentifier] options:nil] firstObject];
+                completion(asset, nil);
+            } else if (error) {
+                NSLog(@"保存照片出错:%@",error.localizedDescription);
+                if (completion) {
+                    completion(nil, error);
+                }
+            }
+        });
+    }];
+}
+
 #pragma mark - Save video
 
 - (void)saveVideoWithUrl:(NSURL *)url completion:(void (^)(PHAsset *asset, NSError *error))completion {

TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m

@@ -811,8 +811,9 @@ - (void)imagePickerController:(UIImagePickerController*)picker didFinishPickingM
         TZImagePickerController *imagePickerVc = (TZImagePickerController *)self.navigationController;
         [imagePickerVc showProgressHUD];
         UIImage *photo = [info objectForKey:UIImagePickerControllerOriginalImage];
+        NSDictionary *meta = [info objectForKey:UIImagePickerControllerMediaMetadata];
         if (photo) {
-            [[TZImageManager manager] savePhotoWithImage:photo location:self.location completion:^(PHAsset *asset, NSError *error){
+            [[TZImageManager manager] savePhotoWithImage:photo meta:meta location:self.location completion:^(PHAsset *asset, NSError *error){
                 if (!error) {
                     [self addPHAsset:asset];
                 }

TZImagePickerController/ViewController.m

@@ -201,11 +201,13 @@ - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPa
             TZGifPhotoPreviewController *vc = [[TZGifPhotoPreviewController alloc] init];
             TZAssetModel *model = [TZAssetModel modelWithAsset:asset type:TZAssetModelMediaTypePhotoGif timeLength:@""];
             vc.model = model;
+            vc.modalPresentationStyle = UIModalPresentationFullScreen;
             [self presentViewController:vc animated:YES completion:nil];
         } else if (isVideo && !self.allowPickingMuitlpleVideoSwitch.isOn) { // perview video / 预览视频
             TZVideoPlayerController *vc = [[TZVideoPlayerController alloc] init];
             TZAssetModel *model = [TZAssetModel modelWithAsset:asset type:TZAssetModelMediaTypeVideo timeLength:@""];
             vc.model = model;
+            vc.modalPresentationStyle = UIModalPresentationFullScreen;
             [self presentViewController:vc animated:YES completion:nil];
         } else { // preview photos / 预览照片
             TZImagePickerController *imagePickerVc = [[TZImagePickerController alloc] initWithSelectedAssets:_selectedAssets selectedPhotos:_selectedPhotos index:indexPath.item];
@@ -215,6 +217,7 @@ - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPa
             imagePickerVc.allowPickingMultipleVideo = self.allowPickingMuitlpleVideoSwitch.isOn;
             imagePickerVc.showSelectedIndex = self.showSelectedIndexSwitch.isOn;
             imagePickerVc.isSelectOriginalPhoto = _isSelectOriginalPhoto;
+            imagePickerVc.modalPresentationStyle = UIModalPresentationFullScreen;
             [imagePickerVc setDidFinishPickingPhotosHandle:^(NSArray<UIImage *> *photos, NSArray *assets, BOOL isSelectOriginalPhoto) {
                 self->_selectedPhotos = [NSMutableArray arrayWithArray:photos];
                 self->_selectedAssets = [NSMutableArray arrayWithArray:assets];
@@ -468,9 +471,9 @@ - (void)imagePickerController:(UIImagePickerController*)picker didFinishPickingM
     [tzImagePickerVc showProgressHUD];
     if ([type isEqualToString:@"public.image"]) {
         UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];
-        
+        NSDictionary *meta = [info objectForKey:UIImagePickerControllerMediaMetadata];
         // save photo and get asset / 保存图片，获取到asset
-        [[TZImageManager manager] savePhotoWithImage:image location:self.location completion:^(PHAsset *asset, NSError *error){
+        [[TZImageManager manager] savePhotoWithImage:image meta:meta location:self.location completion:^(PHAsset *asset, NSError *error){
             [tzImagePickerVc hideProgressHUD];
             if (error) {
                 NSLog(@"图片保存失败 %@",error);