Merge pull request banchichen#972 from hanl001/master

UIApplicationDelegate的window是optional的，因此加了一层判断，防止未实现window时的crash
mukekeheart · Sep 8, 2018 · c75f1c7 · c75f1c7
2 parents 2df5833 + 90e8766
commit c75f1c7
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/TZImagePickerController/TZImagePickerController/TZImagePickerController.m b/TZImagePickerController/TZImagePickerController/TZImagePickerController.m
@@ -432,7 +432,13 @@ - (void)showProgressHUD {
         [_progressHUD addSubview:_HUDContainer];
     }
     [_HUDIndicatorView startAnimating];
-    [[UIApplication sharedApplication].delegate.window addSubview:_progressHUD];
+    UIWindow *applicationWindow;
+    if ([[[UIApplication sharedApplication] delegate] respondsToSelector:@selector(window)]) {
+        applicationWindow = [[[UIApplication sharedApplication] delegate] window];
+    } else {
+        applicationWindow = [[UIApplication sharedApplication] keyWindow];
+    }
+    [applicationWindow addSubview:_progressHUD];
     [self.view setNeedsLayout];
 
     // if over time, dismiss HUD automatic