How to Declare a LinearLayout, in Java

LinearLayout was added in API Level 1
A Layout that arranges its children in a single column or a single row

1. Add the below import to the import section.

import android.widget.LinearLayout;

2. Add the below code to the onCreate method. This will declare a new LinearLayout object named myLinearLayout.

LinearLayout myLinearLayout;

3. Compile and run!

Resources:
developer.android.com/reference/android/widget/LinearLayout.html
http://stackoverflow.com/questions/17841003/alertdialog-with-2-textbox-doesnt-work-correctly