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POListview problem
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  1. POListview problem
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    copied!<p>Actually i have created an customListview,here i want to add item dynamically..but in my case the first item inserted with any problem but when i try to insert the second item..its give an error i will send the code..if anyone know please suggest it..</p> <p>code for main.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;RelativeLayout android:id="@+id/relativeLayout1" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android"&gt; &lt;ListView android:layout_height="wrap_content" android:layout_width="match_parent" android:id="@+id/historyFrmLstView2" android:layout_alignParentLeft="true" android:layout_below="@+id/historyFrmLstView1" android:layout_marginTop="20dip" android:layout_marginBottom="10dip"&gt; &lt;/ListView&gt; &lt;/RelativeLayout&gt; </code></pre> <p>code for ListView.xml</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;RelativeLayout android:id="@+id/relativeLayout1" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" android:padding="5dip" android:background="#00000000"&gt; &lt;TextView android:textSize="18dp" android:layout_height="wrap_content" android:textColor="#000000" android:background="@drawable/history_scroll_title_label_bg" android:layout_width="wrap_content" android:id="@+id/txtHistoryDisplay" android:layout_below="@+id/txtViewHeading" android:layout_marginTop="0dip" android:layout_marginLeft="2dip"&gt; &lt;/TextView&gt; &lt;/RelativeLayout&gt; </code></pre> <p>code for main.java</p> <pre><code> public void displayHistory() { String strDisplay[] = {" "}; historyFrmLstView2 = (ListView) findViewById(R.id.historyFrmLstView2); int iHistCount = CycleManager.getSingletonObject().getHistoryCount(); int i; SimpleDateFormat sdFormatter = new SimpleDateFormat("dd-MMMM-yyyy"); for (i=0; i&lt;iHistCount; i++) { strDisplay[i] = ""; Date dtHist = CycleManager.getSingletonObject().getHistoryDate(iHistCount); strDisplay[i]=sdFormatter.format(dtHist.getTime()); aHistFrmAdpter2 = new HistoryFrmCustomAdapter2(this,strDisplay); historyFrmLstView2.setAdapter(aHistFrmAdpter2); } } </code></pre> <p>code for custom Adapter.java</p> <pre><code>public class HistoryFrmCustomAdapter2 extends BaseAdapter { public String heading1[]; public Activity context; public LayoutInflater inflater; public HistoryFrmCustomAdapter2(Activity context,String[] heading1) { super(); this.context = context; this.heading1=heading1; this.inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); } public int getCount() { return heading1.length; } public Object getItem(int position) { return null; } public long getItemId(int position) { return 0; } public static class ViewHolder { TextView txtHistoryDisplay; } public View getView(int position, View convertView, ViewGroup parent) { ViewHolder holder; if(convertView==null) { holder = new ViewHolder(); convertView = inflater.inflate(R.layout.histryfrm_listview2, null); holder.txtHistoryDisplay =(TextView) convertView.findViewById(R.id.txtHistoryDisplay); convertView.setTag(holder); } else holder=(ViewHolder)convertView.getTag(); holder.txtHistoryDisplay.setText(heading1[position]); return convertView; } } </code></pre>
 

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