横屏的可扩展ListView

【实例截图】

【核心代码】

public class ExpandableListView1 extends Activity implements
OnGroupClickListener {

private MyAdapter adapter;
private ExpandableListView expandableList;
private Timer timer_m;
private Handler mRedrawHandler = new Handler();

/** Called when the activity is first created. */
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);

adapter = new MyAdapter(this);

expandableList = (ExpandableListView) findViewById(R.id.list);
// expandableList.setBackgroundDrawable(R.drawable.icon);
expandableList.setAdapter(adapter);
expandableList.setGroupIndicator(null);
expandableList.setDivider(null);
expandableList.setOnGroupClickListener(this);

timer_m = new Timer();
timer_m.schedule(new MyTask2(), 5000, 10000);

}

class MyTask2 extends java.util.TimerTask {
public void run() {
adapter.children[2][0] = "seven";
Runnable updater = new Runnable() {
public void run() {
adapter.notifyDataSetChanged();
}
};
mRedrawHandler.post(updater);
timer_m.cancel();
}
}

public boolean onGroupClick(ExpandableListView parent, View v,
int groupPosition, long id) {
// TODO Auto-generated method stub
Log.i("", "parent.getId() =" parent.getId());
switch (parent.getId()) {
case R.id.list:
Log.i("", "groupPosition =" groupPosition);
break;
default:
break;
}
return false;
}
}

public class MyAdapter extends BaseExpandableListAdapter {
private ExpandableListView1 GOS;

public MyAdapter(ExpandableListView1 _GOS) {
super();
GOS = _GOS;
children[0][0] = "111111";
children[0][1] = "222222";
children[1][0] = "333333";
children[1][1] = "444444";
children[2][0] = "555555";
children[2][1] = "666666";
}

private int[] groups = { R.drawable.zgxq, R.drawable.wzq, R.drawable.ddz };
public String[][] children = new String[3][2];

// **************************************
public View getGroupView(int groupPosition, boolean isExpanded,
View convertView, ViewGroup parent) {
ImageView view = getGenericView(groupPosition);
return view;
}

public ImageView getGenericView(int pos) {
// Layout parameters for the ExpandableListView
AbsListView.LayoutParams lp = new AbsListView.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT, 30);
ImageView view = new ImageView(GOS);
view.setLayoutParams(lp);
// Center the text vertically
if (pos == 0) {
view.setImageResource(R.drawable.zgxq);
}
if (pos == 1) {
view.setImageResource(R.drawable.wzq);
}
if (pos == 2) {
view.setImageResource(R.drawable.ddz);
}
// Set the text starting position
view.setPadding(0, 5, 0, 0);
return view;
}

public long getGroupId(int groupPosition) {
return groupPosition;
}

public Object getGroup(int groupPosition) {
Log.i("", "getGroup =" groupPosition);
return groups[groupPosition];
}

public int getGroupCount() {
return groups.length;
}

public View getChildView(int groupPosition, int childPosition,
boolean isLastChild, View convertView, ViewGroup parent) {
TextView view = getChildTextView(groupPosition, childPosition);
return view;
}

public TextView getChildTextView(int gos, int cos) {
TextView view = new TextView(GOS);
view.setText(children[gos][cos]);
return view;
}

public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}

public Object getChild(int groupPosition, int childPosition) {
return children[groupPosition][childPosition];
}

public int getChildrenCount(int groupPosition) {
return children[groupPosition].length;
}

public boolean hasStableIds() {
return true;
}

public boolean isChildSelectable(int groupPosition, int childPosition) {
return true;
}

}