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I am building a app in which i am trying to ask user to select the time, so i used datePicker and timePicker and a button set . So when he click on set button a dialog box comes and say like you have selected x date and x time or in any way a message should appear on screen like user have selected this time. So i built the code but as my app comes to that activity it always got forcefully stopped.There is no problem with the xml file relating to display the data because when i comment java lines of fetching the values from datePicker and timePicker , app works absolutely fine. Still i am posting both files code for easy to understanding. also posting the log cat exception. I have removed all unnecessary code like import and packages and extra button etc To make it quick readable. This is the code of .xml file <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:weightSum="10" android:id="@+id/commonlayout" android:background="#FFFFFF"> <LinearLayout android:id="@+id/llheader" android:layout_width="fill_parent" android:layout_height="20dp" android:layout_weight="1" android:background="@drawable/bg"> <RelativeLayout android:id="@+id/relativeLayout1" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_gravity="center">  <TextView android:id="@+id/txt_header" android:layout_width="wrap_content" android:layout_centerHorizontal="true" android:layout_centerVertical="true"/> </RelativeLayout> </LinearLayout> <ScrollView

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