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    <p>Well the stacktrace says there's a <code>NullPointerException</code> at line 32 in your <code>ViewPagerStyle1Activity</code>. Look what call is at that line and you should know the culprit. </p> <p>You are trying to find <code>imageButton1</code> in your layout <code>main</code>, but it is actually located in your layout <code>layout_one</code>. The fix now depends on what you are actually plan to do with your fragment. You could just set the fragment layout as the layout for your <code>ViewPagerStyle1Activity</code> by replacing <code>setContentView(R.layout.main);</code> with <code>setContentView(R.layout.layout_one);</code> in its' <code>onCreate</code> method.</p> <p><strong>Update:</strong> maybe you should read a bit first about Android <a href="http://developer.android.com/training/basics/activity-lifecycle/index.html" rel="nofollow">Activities</a>, <a href="http://developer.android.com/guide/topics/ui/declaring-layout.html" rel="nofollow">Layouts</a> and <a href="http://developer.android.com/guide/components/fragments.html" rel="nofollow">Fragments</a>. This is <strong>very</strong> basic stuff and you won't get far without learning it in and out.</p> <p>Of course you can't find the imageButton1, if you hard-code <code>findViewById</code> to return <code>null</code> in your fragment.</p> <pre><code>private ImageButton findViewById(int imagebutton1) { // TODO Auto-generated method stub return null; } </code></pre> <p>But I get the sense you really don't know what you are actually trying to do.</p>
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    1. POFATAL EXCEPTION: main android validation
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    1. COThis should have been a comment
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    2. COI think @Thrakbad is right, imageButton1 is not defined in your layout.xml. Please rename button1 to imageButton1, or otherway around.
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    3. CO@KushalPratapSingh do you actually have a layout `main`? If so then post it in your question above, because in your `ViewPagerStyle1Activity` you have the code `setContentView(R.layout.main);` and without it, we can't know if the button is actually defined or not.
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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