Android action bar custom layout not fit with screen -

hi using custom action bar layout in project.now have problem custom layout not fit full screen , action bar layout alignment changes on searchview click. custom layout

<linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical"   >  <linearlayout     android:layout_width="fill_parent"     android:layout_height="40dp"      android:background="#585858">      <linearlayout         android:layout_width="0dp"         android:layout_height="match_parent"         android:orientation="vertical"         android:layout_weight="0.5"          android:gravity="center" >          <imageview             android:id="@+id/imageview1"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:src="@drawable/ic_launcher"              android:scaletype="centerinside"/>     </linearlayout>     <linearlayout         android:layout_width="0dp"         android:layout_height="match_parent"         android:orientation="vertical"          android:layout_weight="1"           android:gravity="center" >          <searchview             android:id="@+id/searchview1"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_gravity="right" >         </searchview>      </linearlayout>  </linearlayout>   </linearlayout> 

how can solve problem?? please me :)

try this

 <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" >  <linearlayout     android:layout_width="fill_parent"     android:layout_height="40dp"     android:background="#585858">      <linearlayout         android:layout_width="wrap_content"         android:layout_height="match_parent"         android:orientation="vertical"         android:gravity="center" >         <imageview             android:id="@+id/imageview1"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:src="@drawable/ic_launcher"             android:scaletype="centerinside"/>     </linearlayout>     <linearlayout         android:layout_width="0dp"         android:layout_height="match_parent"         android:orientation="vertical"         android:layout_weight="1"         android:gravity="center" >          <searchview             android:id="@+id/searchview1"             android:layout_width="wrap_content"             android:layout_height="wrap_content"             android:layout_gravity="right" >         </searchview>      </linearlayout>  </linearlayout>