How to remove title bar in Android 4.2.2

Question

1. Remove title bar in Android 4.2.2

           <category android:name="android.intent.category.LAUNCHER" />
       </intent-filter>
   </activity>
   <activity
       android:name=".RARegisterActivity"
       android:label="@string/title_activity_raregister" >
   </activity>
   

Answer 1

Android xml

<activity android:name=".YourActivity"
          android:label="@string/app_name"
          android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen">