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POandroid class cast excp relative layout
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  1. POandroid class cast excp relative layout
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    copied!<p>i am getting class cast exception relative$layout here is the code</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="fill_parent" android:layout_height="fill_parent"&gt; &lt;RelativeLayout android:layout_height="wrap_content" android:id="@+id/relativeLayout1" android:layout_width="fill_parent"&gt; &lt;Button android:text="Delete" android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/Button2" android:layout_alignParentTop="true" android:layout_alignParentRight="true"&gt;&lt;/Button&gt; &lt;Button android:text="Edit" android:layout_height="wrap_content" android:layout_width="wrap_content" android:id="@+id/button1" android:layout_alignParentTop="true" android:layout_toLeftOf="@+id/Button2"&gt;&lt;/Button&gt; &lt;TextView android:text="TextView" android:id="@+id/textView1" android:layout_height="wrap_content" android:layout_width="wrap_content" android:textAppearance="?android:attr/textAppearanceLarge" android:layout_alignParentTop="true" android:layout_alignParentLeft="true" android:layout_toLeftOf="@+id/button1"&gt;&lt;/TextView&gt; &lt;/RelativeLayout&gt; &lt;/LinearLayout&gt; </code></pre> <p>.</p> <pre><code>import java.util.List; import android.app.ExpandableListActivity; import android.content.Context; import android.os.Bundle; import android.view.Gravity; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AbsListView; import android.widget.BaseExpandableListAdapter; import android.widget.ExpandableListAdapter; import android.widget.TextView; public class options extends ExpandableListActivity { ExpandableListAdapter mAdapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.list); mAdapter = new MyExpandableListAdapter(); setListAdapter(mAdapter); } public class MyExpandableListAdapter extends BaseExpandableListAdapter{ private String[] groups = { "People Names", "Dog Names", "Cat Names", "Fish Names" }; private String[][] children = { { "Arnold", "Barry", "Chuck", "David" }, { "Ace", "Bandit", "Cha-Cha", "Deuce" }, { "Fluffy", "Snuggles" }, { "Goldy", "Bubbles" } }; @Override public Object getChild(int groupPosition, int childPosition) { return children[groupPosition][childPosition]; } @Override public long getChildId(int groupPosition, int childPosition) { return childPosition; } @Override public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { TextView textView = getGenericView(); textView.setText(getChild(groupPosition, childPosition).toString()); return textView; } @Override public int getChildrenCount(int groupPosition) { return children[groupPosition].length; } @Override public Object getGroup(int groupPosition) { return groups[groupPosition]; } @Override public int getGroupCount() { return groups.length; } @Override public long getGroupId(int groupPosition) { return groupPosition; } @Override public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { TextView textView = getGenericView(); textView.setText(getGroup(groupPosition).toString()); return textView; } @Override public boolean hasStableIds() { return true; } @Override public boolean isChildSelectable(int groupPosition, int childPosition) { return true; } public TextView getGenericView() { // Layout parameters for the ExpandableListView //AbsListView.LayoutParams lp = new AbsListView.LayoutParams( // ViewGroup.LayoutParams.FILL_PARENT, 64); //TextView textView = new TextView(options.this); // textView.setLayoutParams(lp); // Center the text vertically // textView.setGravity(Gravity.CENTER_VERTICAL | Gravity.LEFT); // Set the text starting position //textView.setPadding(60, 0, 0, 0); //TextView textView = (TextView) findViewById(R.id.textView1); //return textView; LayoutInflater inflater = (LayoutInflater)options.this.getSystemService (Context.LAYOUT_INFLATER_SERVICE); View v = inflater.inflate(R.layout.row, null); TextView textView = (TextView) v.findViewById(R.id.textView1); return textView; } } } </code></pre> <p>in the last getGenericView() code in comment works fine but i am trying to inflate from row.xml which gives me error.</p>
 

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