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    <p>You need to extend AutoCompleteTextView, </p> <blockquote> <p>"When threshold is less than or equals 0, a threshold of 1 is applied.".</p> </blockquote> <p><a href="http://developer.android.com/reference/android/widget/AutoCompleteTextView.html#setThreshold%28int%29" rel="noreferrer">setThreshold</a></p> <pre><code>import android.content.Context; import android.graphics.Rect; import android.util.AttributeSet; import android.widget.AutoCompleteTextView; public class InstantAutoComplete extends AutoCompleteTextView { public InstantAutoComplete(Context context) { super(context); } public InstantAutoComplete(Context arg0, AttributeSet arg1) { super(arg0, arg1); } public InstantAutoComplete(Context arg0, AttributeSet arg1, int arg2) { super(arg0, arg1, arg2); } @Override public boolean enoughToFilter() { return true; } @Override protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { super.onFocusChanged(focused, direction, previouslyFocusedRect); if (focused) { performFiltering(getText(), 0); } } } </code></pre> <p>in xml </p> <pre><code>&lt;AutoCompleteTextView ... /&gt; to &lt;your.namespace.InstantAutoComplete ... /&gt; </code></pre> <p>EDIT 1</p> <p>Create new class named InstantAutoComplete then put this code into the class. </p> <p>In your layout xml use this class like </p> <p>then find this widget in your actity (onCreate method).</p> <p><a href="https://stackoverflow.com/questions/9477336/how-to-make-custom-textview">Look at this example</a></p>
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    1. COBut the problem is I already extends Activity in that class and it is required. So cannot able to extend AutoCompleteTextView like your solution. Is there any way.
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    2. COYou dont need to extend your activty, it is new custom autocomplete textview, just create it and use in your layout. Pls look at edited answer
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    3. COhttps://dl.dropbox.com/u/68130108/AutoComplateTextView.rar look at this example
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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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