Linear layout inside Lineary layout in android

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http://stackoverflow.com – I am trying to create a layout in android, when i create a linear layout inside a linear layout its getting added but not visible in the interface. here is my code <?xml version="1.0" encoding="utf-8"?> <!-- Parent linear layout with vertical orientation --> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:baselineAligned="_baseline" android:orientation="horizontal" > <TextView android:layout_width="wrap_content" android:layout_height="w (HowTos)