Change Title in LoginActivity if started from add realm

Author: kunall17

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

@@ -26,11 +26,14 @@
 import com.google.android.gms.common.GooglePlayServicesUtil;
 import com.zulip.android.ZulipAsyncPushTask.AsyncTaskCompleteListener;
 
+import org.json.JSONException;
+import org.json.JSONObject;
 public class LoginActivity extends Activity implements View.OnClickListener,
         OnConnectionFailedListener {
     private static final int REQUEST_ACCOUNT_PICKER = 2;
     private static final int REQUEST_CODE_RESOLVE_ERR = 9000;
 
+    public boolean startedFromAddRealm = false;
     EditText serverUrlText;
     EditText realmNameET;
     LoginActivity that = this; // self-ref
@@ -47,12 +50,21 @@ protected void onCreate(Bundle savedInstanceState) {
         setContentView(R.layout.login);
         realmNameET = (EditText) findViewById(R.id.realmName);
         serverUrlText = (EditText) findViewById(R.id.server);
+        if (getIntent().getBooleanExtra("FROM_ADDREALM", false)) {
+            startedFromAddRealm = true;
+            ((TextView)findViewById(R.id.textView1)).setText("Add new Realm");
+            ((Button) findViewById(R.id.login)).setText("Add");
+        }
 
         ((Button) findViewById(R.id.login))
                 .setOnClickListener(new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
                         connectionProgressDialog.show();
+                        if (app.serverStringSet.contains(realmNameET.getText().toString())) {
+                            Toast.makeText(LoginActivity.this, R.string.realm_exists, Toast.LENGTH_SHORT).show();
+                            return;
+                        }
                         AsyncLogin alog = new AsyncLogin(that,
                                 ((EditText) findViewById(R.id.username))
                                         .getText().toString(),