share uri for bookmark direclty from Start Conversation

src/main/java/eu/siacs/conversations/ui/StartConversationActivity.java

@@ -13,6 +13,7 @@ import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.app.ListFragment;
 import android.app.PendingIntent;
+import android.content.ActivityNotFoundException;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.DialogInterface.OnClickListener;
@@ -324,6 +325,23 @@ public class StartConversationActivity extends XmppActivity implements OnRosterU
         openConversationsForBookmark(bookmark);
     }
 
+    protected void shareBookmarkUri() {
+        shareBookmarkUri(conference_context_id);
+    }
+
+    protected void shareBookmarkUri(int position) {
+        Bookmark bookmark = (Bookmark) conferences.get(position);
+        Intent shareIntent = new Intent();
+        shareIntent.setAction(Intent.ACTION_SEND);
+        shareIntent.putExtra(Intent.EXTRA_TEXT, "xmpp:"+bookmark.getJid().toBareJid().toString()+"?join");
+        shareIntent.setType("text/plain");
+        try {
+            startActivity(Intent.createChooser(shareIntent, getText(R.string.share_uri_with)));
+        } catch (ActivityNotFoundException e) {
+            Toast.makeText(this, R.string.no_application_to_share_uri, Toast.LENGTH_SHORT).show();
+        }
+    }
+
     protected void openConversationsForBookmark(Bookmark bookmark) {
         Jid jid = bookmark.getJid();
         if (jid == null) {
@@ -1142,6 +1160,9 @@ public class StartConversationActivity extends XmppActivity implements OnRosterU
                 case R.id.context_join_conference:
                     activity.openConversationForBookmark();
                     break;
+                case R.id.context_share_uri:
+                    activity.shareBookmarkUri();
+                    break;
                 case R.id.context_delete_conference:
                     activity.deleteConference();
             }

src/main/res/menu/conference_context.xml

@@ -7,5 +7,7 @@
     <item
         android:id="@+id/context_delete_conference"
         android:title="@string/delete_bookmark"/>
-
+    <item
+        android:id="@+id/context_share_uri"
+        android:title="@string/share_uri_with"/>
 </menu>