// Styles.xml

<resources>

      <!-- Base application theme. -->
      <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
          <!-- toolabar background -->
          <item name="colorPrimary">@color/colorPrimary</item>
          <!-- status bar-->
          <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
          <!-- icons, elements..-->
          <item name="colorAccent">@color/colorAccent</item>
         <!--menu text, app text -->
          <item name="android:textColor">@color/colorPrimaryDark</item>
          <!-- Title text, nav drawer text -->
          <item name="android:textColorPrimary">@color/colorPrimaryDark</item>
          <!-- Burger menu, icons on title bar -->
          <item name="android:textColorSecondary">@color/colorAccent</item>
      <!--    <item name="actionMenuTextColor">#00ffff</item>-->
      </style>

      <style name="AppTheme.NoActionBar">
          <item name="windowActionBar">false</item>
          <item name="windowNoTitle">true</item>
      </style>

      <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" />

      <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" />

</resources>

// Styles-v21.xml
<resources>

    <style name="AppTheme.NoActionBar">
        <item name="windowActionBar">false</item>
        <item name="windowNoTitle">true</item>
        <item name="android:windowDrawsSystemBarBackgrounds">true</item>
        <item name="android:statusBarColor">@android:color/transparent</item>
    </style>
</resources>


//Toolbar in app


        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:theme="@style/AppTheme"
            app:popupTheme="@style/AppTheme.PopupOverlay" />