OC-2771: Add pop-up message if the server doesn't support Share API and Share Link option is selected

res/values/strings.xml

@@ -244,4 +244,6 @@
     <string name="failed_upload_retry_do_nothing_text">do nothing you are not online for instant upload</string>
 	<string name="failed_upload_failure_text">Failure Message: </string>
 	<string name="failed_upload_quota_exceeded_text">Please check your server configuration,maybe your quota is exceeded.</string>
+	
+	<string name="share_link_no_support_share_api">Sorry, sharing is not enabled on your server. Please contact your administrator.</string>
 </resources>

src/com/owncloud/android/ui/activity/FileDisplayActivity.java

@@ -75,7 +75,6 @@ import com.owncloud.android.lib.operations.common.RemoteOperation;
 import com.owncloud.android.lib.operations.common.RemoteOperationResult;
 import com.owncloud.android.lib.operations.common.ShareType;
 import com.owncloud.android.lib.operations.common.RemoteOperationResult.ResultCode;
-
 import com.owncloud.android.operations.CreateShareOperation;
 import com.owncloud.android.operations.RemoveFileOperation;
 import com.owncloud.android.operations.RenameFileOperation;
@@ -1347,6 +1346,7 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
         } else if (operation instanceof CreateFolderOperation) {
             onCreateFolderOperationFinish((CreateFolderOperation)operation, result);
         }
+        
     }
 
 
@@ -1572,9 +1572,21 @@ OCFileListFragment.ContainerActivity, FileDetailFragment.ContainerActivity, OnNa
 
 
     public void shareFileWithLink(OCFile file) {
+        
+        if (isSharedSupported()) {
+            // Create the Share
             CreateShareOperation createShare = new CreateShareOperation(file.getRemotePath(), ShareType.PUBLIC_LINK, "", false, "", 1);
             createShare.execute(getStorageManager(), this, this, mHandler, this);
-        
+            
+            // TODO
+            // Get the link --> when the operation is finished
+            
+        } else {
+            // Show a Message
+            Toast t = Toast.makeText(this, getString(R.string.share_link_no_support_share_api), Toast.LENGTH_LONG);
+            t.show();
+            
+        }
     }
     
 }