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

  <EditText
    android:id="@+id/search_edit"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:ems="10">

    <requestFocus />
  </EditText>

</LinearLayout>

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

  <EditText
    android:id="@+id/search_edit"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:textColor="@android:color/white"
    android:ems="10">

    <requestFocus />
  </EditText>

</LinearLayout>

Make search box text color white
Make search box text color white
