i want to load image from array on expandable group list and child
list also
package com.halosys;
import android.app.Activity;
import android.os.Bundle;
import android.app.ExpandableListActivity;
import android.os.Bundle;
import android.widget.SimpleExpandableListAdapter;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
public class Exp_RandDActivity extends ExpandableListActivity
{
static final String colors[] = {
"grey",
"blue",
"yellow",
"red"
};
static final String shades[][] = {
// Shades of grey
{
"lightgrey","#D3D3D3",
"dimgray","#696969",
"sgi gray 92","#EAEAEA"
},
// Shades of blue
{
"dodgerblue 2","#1C86EE",
"steelblue 2","#5CACEE",
"powderblue","#B0E0E6"
},
// Shades of yellow
{
"yellow 1","#FFFF00",
"gold 1","#FFD700",
"darkgoldenrod 1"," #FFB90F"
},
// Shades of red
{
"indianred 1","#FF6A6A",
"firebrick 1","#FF3030",
"maroon","#800000"
}
};
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle)
{
super.onCreate(icicle);
setContentView(R.layout.main);
SimpleExpandableListAdapter expListAdapter =
new SimpleExpandableListAdapter(
this,
createGroupList(), // groupData describes
the first-level entries
R.layout.child_row, // Layout for the
first-level entries
new String[] { "colorName" }, // Key in the
groupData maps to
display
new int[] { R.id.childname }, // Data
under "colorName" key goes
into this TextView
createChildList(), // childData describes
second-level entries
R.layout.child_row, // Layout for
second-level entries
new String[] { "shadeName", "rgb" }, // Keys
in childData maps to
display
new int[] { R.id.childname, R.id.rgb } // Data
under the keys
above go into these TextViews
);
setListAdapter( expListAdapter );
}
/**
* Creates the group list out of the colors[] array according to
* the structure required by SimpleExpandableListAdapter. The
resulting
* List contains Maps. Each Map contains one entry with key
"colorName" and
* value of an entry in the colors[] array.
*/
private List createGroupList() {
ArrayList result = new ArrayList();
for( int i = 0 ; i < colors.length ; ++i ) {
HashMap m = new HashMap();
m.put( "colorName",colors[i] );
result.add( m );
}
return (List)result;
}
/**
* Creates the child list out of the shades[] array according to the
* structure required by SimpleExpandableListAdapter. The resulting
List
* contains one list for each group. Each such second-level group
contains
* Maps. Each such Map contains two keys: "shadeName" is the name of
the
* shade and "rgb" is the RGB value for the shade.
*/
private List createChildList() {
ArrayList result = new ArrayList();
for( int i = 0 ; i < shades.length ; ++i ) {
// Second-level lists
ArrayList secList = new ArrayList();
for( int n = 0 ; n < shades[i].length ; n += 2 ) {
HashMap child = new HashMap();
child.put( "shadeName", shades[i][n] );
child.put( "rgb", shades[i][n+1] );
secList.add( child );
}
result.add( secList );
}
return result;
}
}
what to do for run time image with groupview and child view.
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