From 6a056d406fab28f63ce61a411ad63a98550ce557 Mon Sep 17 00:00:00 2001
From: Chiu Yue Chun <chiubrian@cuhk.edu.hk>
Date: Sat, 6 Jun 2015 15:40:35 +0800
Subject: [PATCH] show login button only at login tab

---
 .../java/com/loopbook/cuhk_loopbook/MainActivity.java  | 10 ++++++++++
 app/src/main/res/menu/menu_main.xml                    |  4 ++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/com/loopbook/cuhk_loopbook/MainActivity.java b/app/src/main/java/com/loopbook/cuhk_loopbook/MainActivity.java
index 8559f35..3cd854d 100644
--- a/app/src/main/java/com/loopbook/cuhk_loopbook/MainActivity.java
+++ b/app/src/main/java/com/loopbook/cuhk_loopbook/MainActivity.java
@@ -145,12 +145,22 @@ public void onTabSelected(ActionBar.Tab tab, FragmentTransaction fragmentTransac
             case 0:
                 break;
             case 1:
+                View button = findViewById(R.id.action_login);
+                button.setVisibility(View.VISIBLE);
                 break;
         }
     }
 
     @Override
     public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction fragmentTransaction) {
+        switch (tab.getPosition()) {
+            case 0:
+                break;
+            case 1:
+                View button = findViewById(R.id.action_login);
+                button.setVisibility(View.GONE);
+                break;
+        }
     }
 
     @Override
diff --git a/app/src/main/res/menu/menu_main.xml b/app/src/main/res/menu/menu_main.xml
index bc775c6..ed866cd 100644
--- a/app/src/main/res/menu/menu_main.xml
+++ b/app/src/main/res/menu/menu_main.xml
@@ -1,9 +1,9 @@
 <menu xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools" tools:context=".MainActivity">
+    <item android:id="@+id/action_login" android:title="@string/menu_login"
+        android:orderInCategory="100" app:showAsAction="ifRoom" />
     <item android:id="@+id/action_settings" android:title="@string/menu_setting_label"
         android:icon="@drawable/ic_menu_login"
         android:orderInCategory="100" app:showAsAction="ifRoom" />
-    <item android:id="@+id/action_login" android:title="@string/menu_login"
-        android:orderInCategory="100" app:showAsAction="ifRoom" />
 </menu>