Android : Setting Wrong Application Name

I have my application named Umall but it is replaced by Slash that is my First Activity i am stuck with that small problem don't know how to handle it.. i gave application name directly in application lable My Manifest.XML is

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.ef.umall"
   android:versionCode="1"
   android:versionName="1.0" >

   <uses-sdk
       android:minSdkVersion="15"
       android:targetSdkVersion="19" />

   <uses-permission android:name="android.permission.INTERNET" />

   <application
       android:allowBackup="true"
       android:icon="@drawable/app_logo"
       android:label="Umall"
       android:theme="@style/AppTheme" >
       <activity
           android:name=".MainActivity"
           android:label="" >
       </activity>
       <activity
           android:name=".activity.SplashActivity_"
           android:label="@string/title_activity_splash" >
           <intent-filter>
               <action android:name="android.intent.action.MAIN" />

               <category android:name="android.intent.category.LAUNCHER" />
           </intent-filter>
       </activity>
       <activity
           android:name=".activity.HomeActivity"
           android:label="@string/title_activity_home" >
       </activity>
       <activity
           android:name=".activity.ProductsListActivity_"
           android:label="@string/title_activity_products_list" >
       </activity>
       <activity
           android:name=".activity.ProductDetail_"
           android:label="@string/title_activity_product_detail" >
       </activity>
       <activity
           android:name=".activity.CartActivity_"
           android:label="@string/title_activity_cart" >
       </activity>
       <activity
           android:name=".activity.ProductActivity_"
           android:label="@string/title_activity_product" >
       </activity>
       <activity
           android:name=".activity.UmallBaseActivity_"
           android:label="@string/title_activity_umall_base" >
       </activity>
       <activity
           android:name=".activity.ShopingChart"
           android:label="@string/title_activity_shoping_chart" >
       </activity>
   </application>

</manifest>