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PORadio button changes state on scroll of Sectioned Listview
 

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  1. PORadio button changes state on scroll of Sectioned Listview
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    <p>I am using the <code>Sectioned ListView</code> in my application in the row of <code>ListView</code> i have <code>TextView</code> and <code>RadioGroup.</code> So when i click the radio button normally it gets clicked and works fine. But when i click and scroll the view it the selected view's also get vanished and becomes unchecked.</p> <p>This is the XML i am using</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/relativelay" android:layout_width="fill_parent" android:layout_height="wrap_content" android:background="@drawable/list_bg" &gt; &lt;TextView android:id="@+id/tvname" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_centerVertical="true" android:maxLines="1" android:padding="10dp" android:textColor="#000000" android:textSize="18dp" android:textStyle="bold" /&gt; &lt;RadioGroup android:id="@+id/radioGroup1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:orientation="horizontal" &gt; &lt;RadioButton android:id="@+id/check_present" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_marginRight="20dp" android:onClick="onPresentClick" /&gt; &lt;RadioButton android:id="@+id/check_absent" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toLeftOf="@id/check_present" android:onClick="onPresentClick" /&gt; &lt;/RadioGroup&gt; &lt;/RelativeLayout&gt; </code></pre> <p>And this is the adapter i am using for the <code>Sectioned ListView</code>....</p> <p>This is my updated code....</p> <pre><code>public class NamesAdapter extends ArrayAdapter&lt;Item&gt; { private ArrayList&lt;Item&gt; items; private LayoutInflater vi; private Item objItem; private ArrayList&lt;Items&gt; presentSelected = new ArrayList&lt;Items&gt;();; private ArrayList&lt;Items&gt; absentSelected = new ArrayList&lt;Items&gt;();; private Map&lt;Integer, Boolean&gt; map = new HashMap&lt;Integer, Boolean&gt;(); ViewHolderSectionName holderSection; ViewHolderName holderName; Items item; public NamesAdapter(Context context, ArrayList&lt;Item&gt; items) { super(context, 0, items); this.items = items; vi = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); } @Override public View getView(final int position, View convertView, ViewGroup parent) { objItem = items.get(position); if (objItem.isSectionItem()) { ItemsSections si = (ItemsSections) objItem; if (convertView == null || !convertView.getTag().equals(holderSection)) { convertView = vi.inflate(R.layout.alphabet_separator, null); holderSection = new ViewHolderSectionName(); convertView.setTag(holderSection); } else { holderSection = (ViewHolderSectionName) convertView.getTag(); } holderSection.section = (TextView) convertView .findViewById(R.id.alphabet_letter); holderSection.section .setText(String.valueOf(si.getSectionLetter())); } else { Items ei = (Items) objItem; if (convertView == null || !convertView.getTag().equals(holderName)) { convertView = vi.inflate(R.layout.row, null); holderName = new ViewHolderName(); holderName.name = (TextView) convertView .findViewById(R.id.tvname); holderName.radioGroup = (RadioGroup) convertView .findViewById(R.id.radioGroup1); holderName.checkAbsent = (RadioButton) convertView .findViewById(R.id.check_absent); holderName.checkPresent = (RadioButton) convertView .findViewById(R.id.check_present); Boolean present = map.get(position); Log.e("Names Adapter", "is Selected " + present); if (present != null &amp;&amp; present.booleanValue()) { // set present checkbox selected holderName.checkPresent.setSelected(true); } else { holderName.checkAbsent.setSelected(true); // set absent checkbox selected } holderName.radioGroup .setOnCheckedChangeListener(new OnCheckedChangeListener() { @Override public void onCheckedChanged(RadioGroup group, int checkedId) { // TODO Auto-generated method stub switch (checkedId) { case R.id.check_absent: item = (Items) holderName.checkAbsent .getTag(); absentSelected.add(item); map.put(position, true); break; case R.id.check_present: item = (Items) holderName.checkPresent .getTag(); presentSelected.add(item); map.put(position, true); break; default: break; } } }); /* * holderName.checkAbsent .setOnCheckedChangeListener(new * CompoundButton.OnCheckedChangeListener() { * * @Override public void onCheckedChanged( CompoundButton * buttonView, boolean isChecked) { // TODO Auto-generated * method stub holderName.checkAbsent.setSelected(isChecked); // * selected1.add(); * * } }); * * holderName.checkPresent .setOnCheckedChangeListener(new * CompoundButton.OnCheckedChangeListener() { * * @Override public void onCheckedChanged( CompoundButton * buttonView, boolean isChecked) { // TODO Auto-generated * method stub holderName.checkAbsent.setSelected(isChecked); // * selected2.add(); * * } }); */ convertView.setTag(holderName); } else { holderName = (ViewHolderName) convertView.getTag(); } if (holderName.name != null) holderName.name.setText(ei.getName()); convertView.setOnCreateContextMenuListener(null); } return convertView; } public static class ViewHolderName { public TextView name; public RadioGroup radioGroup; public RadioButton checkPresent; public RadioButton checkAbsent; } public static class ViewHolderSectionName { public TextView section; } } </code></pre>
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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.

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