Facebook redirect issue on iOS

[NikJaySix]

Hi, i know this has been mentioned in previous issues (#115 & #107), however i am still getting this issue on my device running iOS 10.

I have followed all the instructions but i still get redirected to a blank page and the user record isn't added to firebase. But sometimes it doesn't do that at all and just redirects back to the login screen with this error:

FBSDKLog: Invalid identifier: 'fb_mobile_login_native_app_switch_dialog_result'. Must be between 1 and 40 characters, and must be contain only alphanumerics, _, - or spaces, starting with alphanumeric or _.
CONSOLE LOG file:///app/pages/login/login.component.js:22:24: login cancelled

Any ideas? Many thanks

[EddyVerbruggen]

Note to self: SO issue

[EddyVerbruggen]

FYI: wasn't able to reproduce this issue until now. Perhaps because of the Facebook config I've added to the plist in the demo app.

[NikJaySix]

The facebook portion of the info plist was auto generated so i'm not sure what the solution to this issue is? I am still getting the same issue as above when i try to login with fb for the first time. any subsequent attemps say ive already authorised the app and then i get redirected to a blank page. I have to deauthorize the app within my facebook settings in order to get the original error again.

Is there something wrong with my info.plist?

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>CFBundleDevelopmentRegion</key>
	<string>en</string>
	<key>CFBundleDisplayName</key>
	<string>${PRODUCT_NAME}</string>
	<key>CFBundleExecutable</key>
	<string>${EXECUTABLE_NAME}</string>
	<key>CFBundleInfoDictionaryVersion</key>
	<string>6.0</string>
	<key>CFBundleName</key>
	<string>${PRODUCT_NAME}</string>
	<key>CFBundlePackageType</key>
	<string>APPL</string>
	<key>CFBundleShortVersionString</key>
	<string>1.0</string>
	<key>CFBundleSignature</key>
	<string>????</string>
	<key>CFBundleVersion</key>
	<string>1.0</string>
	<key>LSRequiresIPhoneOS</key>
	<true/>
	<key>UILaunchStoryboardName</key>
	<string>LaunchScreen</string>
	<key>UIRequiresFullScreen</key>
	<true/>
	<key>UIRequiredDeviceCapabilities</key>
	<array>
		<string>armv7</string>
	</array>
	<key>UISupportedInterfaceOrientations</key>
	<array>
		<string>UIInterfaceOrientationPortrait</string>

	</array>
	<key>UISupportedInterfaceOrientations~ipad</key>
	<array>
		<string>UIInterfaceOrientationPortrait</string>

	</array>
	<key>CFBundleURLTypes</key>
        <array>
          <dict>
            <key>CFBundleURLSchemes</key>
            <array>
              <string>fb397687883954848</string>
            </array>
          </dict>
        </array>
	<key>FacebookAppID</key>
    	<string>397687883954848</string>
    	<key>FacebookDisplayName</key>
    	<string>I Forgot Milk</string>
    	<key>LSApplicationQueriesSchemes</key>
    	<array>
    		<string>fbapi</string>
    		<string>fb-messenger-api</string>
    		<string>fbauth2</string>
    		<string>fbshareextension</string>
    	</array>
    	<key>UIBackgroundModes</key>
    	<array>
    		<string>remote-notification</string>
    </array>
</dict>
</plist>

Would this have anything to do with the facebook app being in sandbox mode? i am trying to login with the account that maintains the fb developer account so i should theoretically have permission to access the app automatically, unless there is something special i have to do to grant myself permission to use the app?

[NikJaySix]

An update to this, i switched all the auth settings in the facebook app to ON, just to see if i had configured it correctly, so now i no longer get the error mentioned above, i must have missed a configuration setting that i didnt think was needed for ios, but i still get redirected to a blank page and the login details arent added to firebase, however according to facebook i have successfully been authorised. So its not switching back to the app, or sending the user info to firebase.

I googled the blank page issue and theres a lot of talk about it, and i see you did address this and made changes to accommodate.. Would there be any specific reason why it would still be happening for me? i have the latest npm version of your plugin.. could it be any other setting?

[kvindascr]

Hello I had the same issue.
In my case it was related to a conflict between AppDelegates on IOS in specific.