side by side fragments on tablet

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http://stackoverflow.com – I have an app that displays a map. When a user presses one of the action bars another listview fragment appears showing a list of items. I am trying to get the listview to appear on the left side of the map when the app is running on the tablet however I am running into difficulties. I currently have one Activity which manages the fragments. I have tried a solution that I found on StackOverflow however it doesn't work. Here is the layout XML that is being used for both large and standard layouts: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/ (HowTos)