title: android expandablelistView setAdapter is ambiguous
body: <p>I'm having and issue with my ExpandableListView setAdapter() method in my class OrderMenu. It's telling me it is ambiguous (The method setAdapter(ListAdapter) is ambiguous for the type ExpandableListView). </p>
  
  <pre><code>package com.ucapp.uppercrustapp;
  
  import android.support.v7.app.ActionBarActivity;
  import android.support.v7.app.ActionBar;
  import android.support.v4.app.Fragment;
  import android.os.Bundle;
  import android.view.LayoutInflater;
  import android.view.Menu;
  import android.view.MenuItem;
  import android.view.View;
  import android.view.ViewGroup;
  import android.view.Window;
  import android.widget.ExpandableListAdapter;
  import android.widget.ExpandableListView;
  import android.widget.TextView;
  import android.os.Build;
  
  public class OrderMenu extends ActionBarActivity {
  
  //expandable list view variable 
  ExpandableListView exv;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      this.requestWindowFeature(Window.FEATURE_NO_TITLE); //Remove action bar from screen
      setContentView(R.layout.activity_order_menu);
      //find resource expandable list view by ID
      exv = (ExpandableListView)findViewById(R.id.itemsList);
      //add an adapter that provides data to the list
      exv.setAdapter(new MyAdapter(this));
  
  }
  
  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
  
      // Inflate the menu; this adds items to the action bar if it is present.
      getMenuInflater().inflate(R.menu.order_menu, menu);
      return true;
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
      // Handle action bar item clicks here. The action bar will
      // automatically handle clicks on the Home/Up button, so long
      // as you specify a parent activity in AndroidManifest.xml.
      int id = item.getItemId();
      if (id == R.id.action_settings) {
          return true;
      }
      return super.onOptionsItemSelected(item);
  }
  
    }//end Order menu class
  </code></pre>
  
  <p>the Adapter class:</p>
  
  <pre><code>package com.ucapp.uppercrustapp;
  
  import android.content.Context;
  import android.view.View;
  import android.view.ViewGroup;
  import android.widget.BaseExpandableListAdapter;
  import android.widget.ListAdapter;
  import android.widget.TextView;
  
  public class MyAdapter extends BaseExpandableListAdapter implements ListAdapter {
  
  //context variable
  private Context context;
  //String Arrays
  String [] parentList = {"Breakfats","Lunch"};
  String [][] childList = {
          {"Pancake"},
          {"Sandwich"}
  };
  
  public MyAdapter(Context context) {
      this.context = context;
  }
  
  @Override
  public int getCount() {
      // TODO Auto-generated method stub
      return 0;
  }
  
  @Override
  public Object getItem(int position) {
      // TODO Auto-generated method stub
      return null;
  }
  
  @Override
  public long getItemId(int position) {
      // TODO Auto-generated method stub
      return 0;
  }
  
  @Override
  public boolean hasStableIds() {
      // TODO Auto-generated method stub
      return false;
  }
  
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
      // TODO Auto-generated method stub
      return null;
  }
  
  @Override
  public int getItemViewType(int position) {
      // TODO Auto-generated method stub
      return 0;
  }
  
  @Override
  public int getViewTypeCount() {
      // TODO Auto-generated method stub
      return 0;
  }
  
  @Override
  public int getGroupCount() {
      // TODO Auto-generated method stub
      return parentList.length;
  }
  
  @Override
  public int getChildrenCount(int groupPosition) {
      // TODO Auto-generated method stub
      return childList[groupPosition].length;
  }
  
  @Override
  public Object getGroup(int groupPosition) {
      // TODO Auto-generated method stub
      return groupPosition;
  }
  
  @Override
  public Object getChild(int groupPosition, int childPosition) {
      // TODO Auto-generated method stub
      return null;
  }
  
  @Override
  public long getGroupId(int groupPosition) {
      // TODO Auto-generated method stub
      return groupPosition;
  }
  
  @Override
  public long getChildId(int groupPosition, int childPosition) {
      // TODO Auto-generated method stub
      return 0;
  }
  
  @Override
  public View getGroupView(int groupPosition, boolean isExpanded,
          View convertView, ViewGroup parent) {
      TextView tv = new TextView(context);
      tv.setText(parentList[groupPosition]);
      return tv;
  }
  
  @Override
  public View getChildView(int groupPosition, int childPosition,
          boolean isLastChild, View convertView, ViewGroup parent) {
      TextView tv = new TextView(context);
      tv.setText(childList[groupPosition][childPosition]);
      return tv;
  }
  
  @Override
  public boolean isChildSelectable(int groupPosition, int childPosition) {
      // TODO Auto-generated method stub
      return true;
  }
  
  @Override
  public boolean isEnabled(int position) {
      // TODO Auto-generated method stub
      return false;
  }
  
   }
  </code></pre>
  
  <p>And my XML for OrderMenu:</p>
  
  <pre><code>&lt;RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools"
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:background="@drawable/background"
  tools:context="com.ucapp.uppercrustapp.OrderMenu" &gt;
  
  &lt;ImageView
      android:id="@+id/uc_logo"
      android:layout_width="fill_parent"
      android:layout_height="242dp"
      android:layout_alignParentLeft="true"
      android:baselineAlignBottom="false"
      android:contentDescription="@string/uc_logo"
      android:focusable="false"
      android:scaleType="centerCrop"
      android:src="@drawable/uc_logo_3" /&gt;
  
  &lt;Button
      android:id="@+id/backBTN"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignParentLeft="true"
      android:layout_below="@+id/uc_logo"
      android:text="@string/backBTN" /&gt;
  
      &lt;Button
      android:id="@+id/checkoutBTN"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_alignBaseline="@+id/backBTN"
      android:layout_alignBottom="@+id/backBTN"
      android:layout_alignParentRight="true"
      android:text="@string/checkoutBTN" /&gt;
  
  &lt;ExpandableListView
      android:id="@+id/itemsList"
      android:layout_width="match_parent"
      android:layout_height="300dp"
      android:layout_alignParentBottom="true"
      android:layout_alignParentLeft="true" &gt;
  &lt;/ExpandableListView&gt;
  </code></pre>
  
  <p></p>