session-android/res/layout/contact_selection_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:layout_gravity="center"
              android:layout_height="fill_parent"
              android:layout_width="fill_parent"
              android:orientation="vertical"
              xmlns:android="http://schemas.android.com/apk/res/android">

    <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_height="?attr/actionBarSize"
            android:layout_width="match_parent"
            android:minHeight="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            android:theme="@style/TextSecure.LightActionBar">

        <LinearLayout android:layout_width="match_parent"
                      android:layout_height="match_parent"
                      android:orientation="horizontal">

            <ImageView android:id="@+id/action_icon"
                       android:layout_width="wrap_content"
                       android:layout_height="wrap_content"
                       android:layout_gravity="center_vertical"
                       android:gravity="center_vertical"
                       android:clickable="true"
                       android:background="@drawable/circle_touch_highlight_background"
                       android:src="@drawable/ic_search_white_24dp" />

            <EditText android:id="@+id/search_view"
                      android:layout_height="wrap_content"
                      android:layout_width="0px"
                      android:layout_weight="1"
                      android:layout_marginLeft="5dp"
                      android:hint="@string/contact_selection_activity__enter_name_or_number"
                      android:inputType="textPersonName"
                      style="@style/TextSecure.TitleTextStyle"
                      android:background="@android:color/transparent"
                      android:layout_gravity="center_vertical"
                      android:gravity="center_vertical"/>

            <org.thoughtcrime.securesms.components.AnimatingToggle
                    android:id="@+id/button_toggle"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="center"
                    android:gravity="center">

                <ImageView android:id="@+id/search_dialpad"
                           android:layout_width="wrap_content"
                           android:layout_height="wrap_content"
                           android:layout_gravity="center_vertical"
                           android:gravity="center_vertical"
                           android:clickable="true"
                           android:background="@drawable/circle_touch_highlight_background"
                           android:src="@drawable/ic_dialpad_white_24dp" />

                <ImageView android:id="@+id/search_keyboard"
                           android:layout_width="wrap_content"
                           android:layout_height="wrap_content"
                           android:layout_gravity="center_vertical"
                           android:gravity="center_vertical"
                           android:clickable="true"
                           android:visibility="gone"
                           android:background="@drawable/circle_touch_highlight_background"
                           android:src="@drawable/ic_keyboard_white_24dp" />


                <ImageView android:id="@+id/search_clear"
                           android:layout_width="wrap_content"
                           android:layout_height="wrap_content"
                           android:layout_gravity="center_vertical"
                           android:gravity="center_vertical"
                           android:clickable="true"
                           android:visibility="gone"
                           android:background="@drawable/circle_touch_highlight_background"
                           android:src="@drawable/ic_clear_white_24dp" />

            </org.thoughtcrime.securesms.components.AnimatingToggle>

        </LinearLayout>

    </android.support.v7.widget.Toolbar>

    <fragment
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/contact_selection_list_fragment"
        android:name="org.thoughtcrime.securesms.ContactSelectionListFragment">
        </fragment>

</LinearLayout>