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POjava.lang.ClassCastException: android.widget.RelativeLayout
 

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  1. POjava.lang.ClassCastException: android.widget.RelativeLayout
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    <p>i developed a simple listview application and it displayed listview but when i'm selecting a single listview it occurs following error.</p> <p>This is my single list item xml file.</p> <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt; &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"&gt; &lt;TextView android:id="@+id/product_label" android:layout_width="fill_parent" android:layout_height="wrap_content" android:textSize="25dip" android:textStyle="bold" android:padding="10dip" android:textColor="#ffffff"/&gt; &lt;/LinearLayout&gt; </code></pre> <p>this is my MainActivity.java file</p> <pre><code>import java.util.List; import android.app.ListActivity; import android.app.ProgressDialog; import android.os.Bundle; import android.widget.Toast; import android.content.Intent; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ListView; import android.widget.TextView; public class MainActivity extends ListActivity implements FetchDataListener{ private ProgressDialog dialog; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); ListView lv = getListView(); // listening to single list item on click lv.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView&lt;?&gt; parent, View view, int position, long id) { // selected item String product = ((TextView) view).getText().toString(); // Launching new Activity on selecting single List Item Intent i = new Intent(getApplicationContext(), SingleListItem.class); // sending data to new activity i.putExtra("product", product); startActivity(i); } }); } private void initView() { // show progress dialog dialog = ProgressDialog.show(this, "", "Loading..."); String url = "http://pubbapp.comze.com/pubapp.php"; FetchDataTask task = new FetchDataTask(this); task.execute(url); } @Override public void onFetchComplete(List&lt;Application&gt; data) { // dismiss the progress dialog if(dialog != null) dialog.dismiss(); // create new adapter ApplicationAdapter adapter = new ApplicationAdapter(this, data); // set the adapter to list setListAdapter(adapter); } @Override public void onFetchFailure(String msg) { // dismiss the progress dialog if(dialog != null) dialog.dismiss(); // show failure message Toast.makeText(this, msg, Toast.LENGTH_LONG).show(); } } </code></pre> <p>This is my second screen java file,</p> <pre><code>import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.widget.TextView; public class SingleListItem extends Activity{ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.single_list_item_view); TextView txtProduct = (TextView) findViewById(R.id.product_label); Intent i = getIntent(); // getting attached intent data String product = i.getStringExtra("product"); // displaying selected product name txtProduct.setText(product); } } </code></pre> <p>i have no idea to how to solve this error.plz help me to fix this.</p>
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    1. USDamodaran
    1. USuser2881604
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      1. POjava.lang.ClassCastException: android.widget.RelativeLayout
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    1. COwhat you have with `ApplicationAdapter`
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      1. POjava.lang.ClassCastException: android.widget.RelativeLayout
      1. USSathishKumar
 

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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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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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