Add new realm button to realmDialog

Author: kunall17

app/src/main/java/com/zulip/android/RealmDialog.java

@@ -75,6 +75,24 @@ public void onClick(DialogInterface dialog, int whichButton) {
                         .show();
             }
         });
+        builder.setView(rootView)
+                .setPositiveButton(R.string.realm_add, new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int id) {
+                        ((ZulipActivity) getActivity()).currentList.adapter.clear();
+                        ((ZulipActivity) getActivity()).currentList.showLoadIndicatorTop(true);
+                        Intent newIntent = new Intent(context, LoginActivity.class);
+                        newIntent.putExtra("FROM_ADDREALM", true);
+                        getActivity().startActivityForResult(newIntent, ZulipActivity.ADDREALM_REQUEST_CODE);
+                        RealmDialog.this.getDialog().cancel();
+                        dialog.dismiss();
+                    }
+                })
+                .setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int id) {
+                        RealmDialog.this.getDialog().cancel();
+                    }
+                });
         return builder.create();
     }
 }

app/src/main/java/com/zulip/android/ZulipActivity.java

@@ -52,7 +52,8 @@ public class ZulipActivity extends FragmentActivity implements
         MessageListFragment.Listener, NarrowListener {
 
     ZulipApp app;
-
+    public static final int ADDREALM_REQUEST_CODE = 201;
+    
     public void switchRealm(final ProgressDialog progressDialog, final int position) {
         if (event_poll != null) {
             event_poll.abort();