优化一些细节

38e315eb · yuzheng.tz · 5f6b34f5 · 38e315eb
Commit 38e315eb authored Jul 04, 2018 by yuzheng.tz
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TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.m ...roller/TZImagePickerController/TZPhotoPreviewController.m +6 -0

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--- a/TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.m
+++ b/TZImagePickerController/TZImagePickerController/TZPhotoPreviewController.m
@@ -345,6 +345,12 @@
 - (void)backButtonClick {
    if (self.navigationController.childViewControllers.count < 2) {
        [self.navigationController dismissViewControllerAnimated:YES completion:nil];
+        if ([self.navigationController isKindOfClass: [TZImagePickerController class]]) {
+            TZImagePickerController *nav = (TZImagePickerController *)self.navigationController;
+            if (nav.imagePickerControllerDidCancelHandle) {
+                nav.imagePickerControllerDidCancelHandle();
+            }
+        }
        return;
    }
    [self.navigationController popViewControllerAnimated:YES];