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    <p>This fixed my problem. I'm not certain it's the best solution, but it works. My project's open-source, so feel free to use any of the code here should it prove usefull :-).</p> <pre><code>package me.alxandr.android.mymir.adapters; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.HashMap; import java.util.Iterator; import java.util.Set; import me.alxandr.android.mymir.R; import me.alxandr.android.mymir.model.Manga; import android.content.Context; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.Filter; import android.widget.SectionIndexer; import android.widget.TextView; public class MangaListAdapter extends ArrayAdapter&lt;Manga&gt; implements SectionIndexer { public ArrayList&lt;Manga&gt; items; public ArrayList&lt;Manga&gt; filtered; private Context context; private HashMap&lt;String, Integer&gt; alphaIndexer; private String[] sections = new String[0]; private Filter filter; private boolean enableSections; public Manga getByPosition(int position) { return items.get(position); } public MangaListAdapter(Context context, int textViewResourceId, ArrayList&lt;Manga&gt; items, boolean enableSections) { super(context, textViewResourceId, items); this.filtered = items; this.items = ArrayList&lt;Manga&gt; items.clone(); this.context = context; this.filter = new MangaNameFilter(); this.enableSections = enableSections; if(enableSections) { alphaIndexer = new HashMap&lt;String, Integer&gt;(); for(int i = items.size() - 1; i &gt;= 0; i--) { Manga element = items.get(i); String firstChar = element.getName().substring(0, 1).toUpperCase(); if(firstChar.charAt(0) &gt; 'Z' || firstChar.charAt(0) &lt; 'A') firstChar = "@"; alphaIndexer.put(firstChar, i); } Set&lt;String&gt; keys = alphaIndexer.keySet(); Iterator&lt;String&gt; it = keys.iterator(); ArrayList&lt;String&gt; keyList = new ArrayList&lt;String&gt;(); while(it.hasNext()) keyList.add(it.next()); Collections.sort(keyList); sections = new String[keyList.size()]; keyList.toArray(sections); } } @Override public View getView(int position, View convertView, ViewGroup parent) { View v = convertView; if(v == null) { LayoutInflater vi = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); v = vi.inflate(R.layout.mangarow, null); } Manga o = filtered.get(position); if(o != null) { TextView tt = (TextView) v.findViewById(R.id.MangaRow_MangaName); TextView bt = (TextView) v.findViewById(R.id.MangaRow_MangaExtra); if(tt != null) tt.setText(o.getName()); if(bt != null) bt.setText(o.getLastUpdated() + " - " + o.getLatestChapter()); if(enableSections &amp;&amp; getSectionForPosition(position) != getSectionForPosition(position + 1)) { TextView h = (TextView) v.findViewById(R.id.MangaRow_Header); h.setText(sections[getSectionForPosition(position)]); h.setVisibility(View.VISIBLE); } else { TextView h = (TextView) v.findViewById(R.id.MangaRow_Header); h.setVisibility(View.GONE); } } return v; } @Override public void notifyDataSetInvalidated() { if(enableSections) { for (int i = items.size() - 1; i &gt;= 0; i--) { Manga element = items.get(i); String firstChar = element.getName().substring(0, 1).toUpperCase(); if(firstChar.charAt(0) &gt; 'Z' || firstChar.charAt(0) &lt; 'A') firstChar = "@"; alphaIndexer.put(firstChar, i); } Set&lt;String&gt; keys = alphaIndexer.keySet(); Iterator&lt;String&gt; it = keys.iterator(); ArrayList&lt;String&gt; keyList = new ArrayList&lt;String&gt;(); while (it.hasNext()) { keyList.add(it.next()); } Collections.sort(keyList); sections = new String[keyList.size()]; keyList.toArray(sections); super.notifyDataSetInvalidated(); } } public int getPositionForSection(int section) { if(!enableSections) return 0; String letter = sections[section]; return alphaIndexer.get(letter); } public int getSectionForPosition(int position) { if(!enableSections) return 0; int prevIndex = 0; for(int i = 0; i &lt; sections.length; i++) { if(getPositionForSection(i) &gt; position &amp;&amp; prevIndex &lt;= position) { prevIndex = i; break; } prevIndex = i; } return prevIndex; } public Object[] getSections() { return sections; } @Override public Filter getFilter() { if(filter == null) filter = new MangaNameFilter(); return filter; } private class MangaNameFilter extends Filter { @Override protected FilterResults performFiltering(CharSequence constraint) { // NOTE: this function is *always* called from a background thread, and // not the UI thread. constraint = constraint.toString().toLowerCase(); FilterResults result = new FilterResults(); if(constraint != null &amp;&amp; constraint.toString().length() &gt; 0) { ArrayList&lt;Manga&gt; filt = new ArrayList&lt;Manga&gt;(); ArrayList&lt;Manga&gt; lItems = new ArrayList&lt;Manga&gt;(); synchronized (this) { lItems.addAll(items); } for(int i = 0, l = lItems.size(); i &lt; l; i++) { Manga m = lItems.get(i); if(m.getName().toLowerCase().contains(constraint)) filt.add(m); } result.count = filt.size(); result.values = filt; } else { synchronized(this) { result.values = items; result.count = items.size(); } } return result; } @SuppressWarnings("unchecked") @Override protected void publishResults(CharSequence constraint, FilterResults results) { // NOTE: this function is *always* called from the UI thread. filtered = (ArrayList&lt;Manga&gt;)results.values; notifyDataSetChanged(); clear(); for(int i = 0, l = filtered.size(); i &lt; l; i++) add(filtered.get(i)); notifyDataSetInvalidated(); } } } </code></pre>
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    1. This table or related slice is empty.
    1. POCustom filtering in Android using ArrayAdapter
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      1. PTQuestion
    1. PTAnswer
    1. UStim.paetz
    1. USAlxandr
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. POCustom filtering in Android using ArrayAdapter
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      1. PTQuestion
    1. This table or related slice is empty.
    1. VO
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      1. This table or related slice is empty.
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    2. VO
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      1. This table or related slice is empty.
      1. VTUpMod
    3. VO
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      1. This table or related slice is empty.
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    1. COCan you write how can I use this adapter class. Where my POJO class contains Name, work phone, mobile phone, work phone, and email.
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      1. USPankaj Kumar
    2. COfilter works perfectly, my problem is, after the list has been filtered, and i clear my edittext.text the list-entries are gone. :( any help appreciated
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      1. UScV2
    3. COThat should be fairly simple to fix. In my code, I do `if(m.getName().toLowerCase().contains(constraint))`, to check if the name is a match. You just simply need to check if constraint is empty, and if it is add all the items to the filt-arraylist (or so I'd guess, haven't tested it).
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      1. USAlxandr
 

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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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