新增tz_containsString方法判断是否包含某子串

TZImagePickerController/TZImagePickerController/TZImageManager.m

@@ -187,7 +187,7 @@ static dispatch_once_t onceToken;
                     }
                 }
                 
-                if ([collection.localizedTitle containsString:@"Deleted"] || [collection.localizedTitle isEqualToString:@"最近删除"]) continue;
+                if ([collection.localizedTitle tz_containsString:@"Deleted"] || [collection.localizedTitle isEqualToString:@"最近删除"]) continue;
                 if ([self isCameraRollAlbum:collection.localizedTitle]) {
                     [albumArr insertObject:[self modelWithResult:fetchResult name:collection.localizedTitle] atIndex:0];
                 } else {

TZImagePickerController/TZImagePickerController/TZImagePickerController.h

@@ -225,8 +225,11 @@
 
 
 @interface UIImage (MyBundle)
-
 + (UIImage *)imageNamedFromMyBundle:(NSString *)name;
+@end
+
 
+@interface NSString (TzExtension)
+- (BOOL)tz_containsString:(NSString *)string;
 @end
 

TZImagePickerController/TZImagePickerController/TZImagePickerController.m

@@ -695,3 +695,17 @@
 }
 
 @end
+
+
+@implementation NSString (TzExtension)
+
+- (BOOL)tz_containsString:(NSString *)string {
+    if (iOS8Later) {
+        return [self containsString:string];
+    } else {
+        NSRange range = [self rangeOfString:string];
+        return range.location != NSNotFound;
+    }
+}
+
+@end

TZImagePickerController/TZTestCell.m

@@ -61,7 +61,7 @@
     if ([asset isKindOfClass:[PHAsset class]]) {
         PHAsset *phAsset = asset;
         _videoImageView.hidden = phAsset.mediaType != PHAssetMediaTypeVideo;
-        _gifLable.hidden = ![[phAsset valueForKey:@"filename"] containsString:@"GIF"];
+        _gifLable.hidden = ![[phAsset valueForKey:@"filename"] tz_containsString:@"GIF"];
     } else if ([asset isKindOfClass:[ALAsset class]]) {
         ALAsset *alAsset = asset;
         _videoImageView.hidden = ![[alAsset valueForProperty:ALAssetPropertyType] isEqualToString:ALAssetTypeVideo];

TZImagePickerController/ViewController.m

@@ -161,7 +161,7 @@
             ALAsset *alAsset = asset;
             isVideo = [[alAsset valueForProperty:ALAssetPropertyType] isEqualToString:ALAssetTypeVideo];
         }
-        if ([[asset valueForKey:@"filename"] containsString:@"GIF"] && self.allowPickingGifSwitch.isOn && !self.allowPickingMuitlpleVideoSwitch.isOn) {
+        if ([[asset valueForKey:@"filename"] tz_containsString:@"GIF"] && self.allowPickingGifSwitch.isOn && !self.allowPickingMuitlpleVideoSwitch.isOn) {
             TZGifPhotoPreviewController *vc = [[TZGifPhotoPreviewController alloc] init];
             TZAssetModel *model = [TZAssetModel modelWithAsset:asset type:TZAssetModelMediaTypePhotoGif timeLength:@""];
             vc.model = model;