android - Cannot change name to the App -

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i've made application , androidmanifest.xml has these attributes:

<application         android:allowbackup="true"         android:icon="@drawable/flower"         android:label="@string/app_name"         android:theme="@style/apptheme" >         <activity             android:name="com.manish.tabdemo.tabhostactivity"             android:label="@string/app_name" >             <intent-filter>                 <action android:name="android.intent.action.main" />                  <category android:name="android.intent.category.launcher" />             </intent-filter>         </activity>         <activity android:name="com.manish.tabdemo.homeactivity"/>              <activity android:name="com.manish.tabdemo.aboutactivity"/>                   <activity android:name="com.manish.tabdemo.contactactivity"/>     </application>

if @ this picture see main page of app. want change tabhostdemo see next fire flower mk7 vrs list.

i googled , found if want change title have edit stuff in way:

android:label="@string/app_name" android:label="@string/app_name"

becomes...

android:label="@string/mk7 vrs list" android:label="@string/mk7 vrs list"

if have error tells me "no resources found matches given name". can me?

open res/values/strings.xml , change value of app_name in it. clean build.

or

or directly use android:label="mk7 vrs list"


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