Added server Url, realmName editText to the login Activity

Author: kunall17

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

@@ -31,6 +31,8 @@ public class LoginActivity extends Activity implements View.OnClickListener,
     private static final int REQUEST_ACCOUNT_PICKER = 2;
     private static final int REQUEST_CODE_RESOLVE_ERR = 9000;
 
+    EditText serverUrlText;
+    EditText realmNameET;
     LoginActivity that = this; // self-ref
     ZulipApp app;
 
@@ -43,6 +45,8 @@ protected void onCreate(Bundle savedInstanceState) {
         app = (ZulipApp) getApplicationContext();
 
         setContentView(R.layout.login);
+        realmNameET = (EditText) findViewById(R.id.realmName);
+        serverUrlText = (EditText) findViewById(R.id.server);
 
         ((Button) findViewById(R.id.login))
                 .setOnClickListener(new View.OnClickListener() {

app/src/main/res/layout/login.xml

@@ -36,6 +36,17 @@
         android:hint="@string/password"
         android:inputType="textPassword" />
 
+    <EditText
+        android:id="@+id/server"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/server_address" />
+
+    <EditText
+        android:id="@+id/realmName"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/realm_name" />
     <Button
         android:id="@+id/login"
         style="android:buttonStyle"