Add Display error message when an error occured during the file transfert

res/values/strings.xml

@@ -186,6 +186,7 @@
     <string name="image_saved">Image saved</string>
     <string name="image_not_saved">Error, image not saved</string>
     <string name="wait">Please wait...</string>
+    <string name="image_transfert_error">An error occurred during the file transfer</string>
     <string name="lime_not_verified">You are trying to send a message using LIME to a contact not verified by ZRTP.\nPlease call this contact and verify his ZRTP key before sending your messages.</string>
     <string name="processing_image">Processing image, can take up to a few seconds depending on the size of the file</string>
 

src/org/linphone/LinphoneManager.java

@@ -387,7 +387,7 @@ public class LinphoneManager implements LinphoneCoreListener, LinphoneChatMessag
 		}
 
 		if (state == LinphoneChatMessage.State.FileTransferError) {
-			//TODO
+			LinphoneUtils.displayErrorAlert(getString(R.string.image_transfert_error), LinphoneActivity.instance());
 		}
 
 		for (LinphoneChatMessage.LinphoneChatMessageListener l: simpleListeners) {