优化跳转去设置页面的代码

TZImagePickerController/TZImagePickerController/TZImageManager.h

@@ -33,6 +33,7 @@
 
 /// Return YES if Authorized 返回YES如果得到了授权
 - (BOOL)authorizationStatusAuthorized;
+- (NSInteger)authorizationStatus;
 
 /// Get Album 获得相册/相册数组
 - (void)getCameraRollAlbum:(BOOL)allowPickingVideo allowPickingImage:(BOOL)allowPickingImage completion:(void (^)(TZAlbumModel *model))completion;

TZImagePickerController/TZImagePickerController/TZImageManager.m

@@ -61,12 +61,16 @@ static CGFloat TZScreenScale;
 
 /// Return YES if Authorized 返回YES如果得到了授权
 - (BOOL)authorizationStatusAuthorized {
+    return [self authorizationStatus] == 3;
+}
+
+- (NSInteger)authorizationStatus {
     if (iOS8Later) {
-        if ([PHPhotoLibrary authorizationStatus] == PHAuthorizationStatusAuthorized) return YES;
+        return [PHPhotoLibrary authorizationStatus];
     } else {
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
-        if ([ALAssetsLibrary authorizationStatus] == ALAuthorizationStatusAuthorized) return YES;
+        return [ALAssetsLibrary authorizationStatus];
 #pragma clang diagnostic pop
     }
     return NO;

TZImagePickerController/TZImagePickerController/TZImagePickerController.bundle/en.lproj/Localizable.strings

 "OK" = "OK";

TZImagePickerController/TZImagePickerController/TZImagePickerController.bundle/zh-Hans.lproj/Localizable.strings

 "OK" = "确定";

TZImagePickerController/TZImagePickerController/TZImagePickerController.m

@@ -339,7 +339,14 @@
     if (iOS8Later) {
         [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
     } else {
-        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=Privacy&path=PHOTOS"]];
+        NSURL *privacyUrl = [NSURL URLWithString:@"prefs:root=Privacy&path=PHOTOS"];
+        if ([[UIApplication sharedApplication] canOpenURL:privacyUrl]) {
+            [[UIApplication sharedApplication] openURL:privacyUrl];
+        } else {
+            NSString *message = [NSBundle tz_localizedStringForKey:@"Can not jump to the privacy settings page, please go to the settings page by self, thank you"];
+            UIAlertView * alert = [[UIAlertView alloc]initWithTitle:[NSBundle tz_localizedStringForKey:@"Sorry"] message:message delegate:nil cancelButtonTitle:[NSBundle tz_localizedStringForKey:@"OK"] otherButtonTitles: nil];
+            [alert show];
+        }
     }
 }
 

TZImagePickerController/TZImagePickerController/TZPhotoPickerController.m

@@ -552,7 +552,14 @@ static CGSize AssetGridThumbnailSize;
         if (iOS8Later) {
             [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
         } else {
-            [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=Privacy&path=CAMERA"]];
+            NSURL *privacyUrl = [NSURL URLWithString:@"prefs:root=Privacy&path=CAMERA"];
+            if ([[UIApplication sharedApplication] canOpenURL:privacyUrl]) {
+                [[UIApplication sharedApplication] openURL:privacyUrl];
+            } else {
+                NSString *message = [NSBundle tz_localizedStringForKey:@"Can not jump to the privacy settings page, please go to the settings page by self, thank you"];
+                UIAlertView * alert = [[UIAlertView alloc]initWithTitle:[NSBundle tz_localizedStringForKey:@"Sorry"] message:message delegate:nil cancelButtonTitle:[NSBundle tz_localizedStringForKey:@"OK"] otherButtonTitles: nil];
+                [alert show];
+            }
         }
     }
 }

TZImagePickerController/ViewController.m

@@ -238,12 +238,21 @@
 - (void)takePhoto {
     AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
     if ((authStatus == AVAuthorizationStatusRestricted || authStatus == AVAuthorizationStatusDenied) && iOS7Later) {
-        // 无权限 做一个友好的提示
+        // 无相机权限 做一个友好的提示
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
         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];
 #define push @#clang diagnostic pop
+        // 拍照之前还需要检查相册权限
+    } else if ([[TZImageManager manager] authorizationStatus] == 2) { // 已被拒绝，没有相册权限，将无法保存拍的照片
+        UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"无法访问相册" message:@"请在iPhone的""设置-隐私-相册""中允许访问相册" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"设置", nil];
+        alert.tag = 1;
+        [alert show];
+    } else if ([[TZImageManager manager] authorizationStatus] == 0) { // 正在弹框询问用户是否允许访问相册，监听权限状态
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            return [self takePhoto];
+        });
     } else { // 调用相机
         UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
         if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]) {
@@ -268,12 +277,9 @@
         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){
-            if (error) { // 如果保存失败，基本是没有相册权限导致的...
+            if (error) {
                 [tzImagePickerVc hideProgressHUD];
                 NSLog(@"图片保存失败 %@",error);
-                UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"无法保存图片" message:@"请在iPhone的""设置-隐私-相册""中允许访问相册" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"设置", nil];
-                alert.tag = 1;
-                [alert show];
             } else {
                 [[TZImageManager manager] getCameraRollAlbum:NO allowPickingImage:YES completion:^(TZAlbumModel *model) {
                     [[TZImageManager manager] getAssetsFromFetchResult:model.result allowPickingVideo:NO allowPickingImage:YES completion:^(NSArray<TZAssetModel *> *models) {
@@ -321,10 +327,17 @@
         if (iOS8Later) {
             [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];
         } else {
+            NSURL *privacyUrl;
             if (alertView.tag == 1) {
-                [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=Privacy&path=PHOTOS"]];
+                privacyUrl = [NSURL URLWithString:@"prefs:root=Privacy&path=PHOTOS"];
             } else {
-                [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"prefs:root=Privacy&path=CAMERA"]];
+                privacyUrl = [NSURL URLWithString:@"prefs:root=Privacy&path=CAMERA"];
+            }
+            if ([[UIApplication sharedApplication] canOpenURL:privacyUrl]) {
+                [[UIApplication sharedApplication] openURL:privacyUrl];
+            } else {
+                UIAlertView * alert = [[UIAlertView alloc]initWithTitle:@"抱歉" message:@"无法跳转到隐私设置页面，请手动前往设置页面，谢谢" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil];
+                [alert show];
             }
         }
     }