witt3rd · July 17, 2024 00:38 · Jul 17, 2024 · Jul 17, 2024 · Jul 17, 2024
diff --git a/root-cause-analysis.md b/root-cause-analysis.md
@@ -1,6 +1,6 @@
 # VOY-4321: Root Cause Analysis Report
 
-[Filed by LI-RCA](http://localhost:2024/yichen.html)
+[Filed by LI-RCA](http://localhost:2024/assets/yichen2.html)
 
 ## Issue
 

diff --git a/root-cause-analysis.md b/root-cause-analysis.md
@@ -1,5 +1,7 @@
 # VOY-4321: Root Cause Analysis Report
 
+[Filed by LI-RCA](http://localhost:2024/yichen.html)
+
 ## Issue
 
 The LinkedIn sharing functionality in the ShareBoxController is non-functional on iOS 11 and later versions.

diff --git a/root-cause-analysis.md b/root-cause-analysis.md
@@ -0,0 +1,54 @@
+# VOY-4321: Root Cause Analysis Report
+
+## Issue
+
+The LinkedIn sharing functionality in the ShareBoxController is non-functional on iOS 11 and later versions.
+
+## Root Cause
+
+The root cause of this issue is the use of deprecated and removed APIs for LinkedIn sharing through the Social framework.
+
+## Detailed Analysis
+
+1. The code attempts to use `SLComposeViewController` with `SLServiceTypeLinkedIn`:
+
+```objc
+if ([SLComposeViewController isAvailableForServiceType:SLServiceTypeLinkedIn]) {
+    SLComposeViewController *shareBoxComposer = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeLinkedIn];
+    // ...
+}
+```
+
+2. Apple deprecated and removed support for LinkedIn sharing via the Social framework in iOS 11.
+
+3. As a result, `[SLComposeViewController isAvailableForServiceType:SLServiceTypeLinkedIn]` will always return `NO` on iOS 11 and later, preventing the LinkedIn sharing functionality from working.
+
+4. The fallback code assumes that LinkedIn is not configured on the device, which is incorrect:
+
+```objc
+} else {
+    // LinkedIn is not configured on the device, show an alert
+    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"LinkedIn Account" message:@"Please configure a LinkedIn account in your device settings to share on LinkedIn." preferredStyle:UIAlertControllerStyleAlert];
+    // ...
+}
+```
+
+## Impact
+
+Users on iOS 11 and later versions are unable to share content to LinkedIn using this feature. They receive a misleading error message suggesting that LinkedIn is not configured on their device, even if it is.
+
+## Recommendations
+
+1. Remove the deprecated LinkedIn sharing code using `SLComposeViewController` and `SLServiceTypeLinkedIn`.
+
+2. Implement an alternative sharing method:
+
+   - Use the official LinkedIn API and SDK for iOS.
+   - Implement a web-based sharing solution using a web view or by opening the LinkedIn app (if installed) with a custom URL scheme.
+   - Use a more general sharing method like `UIActivityViewController`, which allows users to choose from available sharing options on their device.
+
+3. Update the error handling to provide more accurate information to users about the availability of LinkedIn sharing.
+
+4. Consider implementing a more flexible sharing architecture that can adapt to changes in social media platform APIs and policies.
+
+By addressing these points, the ShareBoxController can provide a more reliable and future-proof LinkedIn sharing experience for users across different iOS versions.
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