android中设置ListView的选中的Item的背景颜色

package com.listButtonTest.www; import java.util.ArrayList; import android.app.Activity; import android.content.Context; import android.graphics.Color; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.TextView; public class listButtonTest extends Activity { private ListView listView = null; private ListAdapter listAdapter = null; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); listView = (ListView) this.findViewById(R.id.listView); ArrayList<ButtonView> buttonListView = new ArrayList<ButtonView>(); ButtonView a = new ButtonView(R.string.l1); buttonListView.add(a); ButtonView b = new ButtonView(R.string.l2); buttonListView.add(b); ButtonView c = new ButtonView(R.string.l3); buttonListView.add(c); ButtonView d = new ButtonView(R.string.l4); buttonListView.add(d); ButtonView e = new ButtonView(R.string.l5); buttonListView.add(e); listAdapter = new ListAdapter(buttonListView); listView.setAdapter(listAdapter); listView.setDividerHeight(0); listView.setOnItemClickListener(new ListView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub listAdapter.setSelectedPosition(arg2); listAdapter.notifyDataSetInvalidated(); } }); }; public class ListAdapter extends BaseAdapter { ArrayList<ButtonView> arrayList = null; LayoutInflater inflater; View view; ButtonLayoutHolder buttonLayoutHolder; LinearLayout buttonLayout = null; TextView buttonText = null; private int selectedPosition = -1;// 选中的位置 public ListAdapter(ArrayList<ButtonView> buttonListView) { // TODO Auto-generated constructor stub arrayList = buttonListView; } @Override public int getCount() { // TODO Auto-generated method stub return arrayList.size(); } @Override public Object getItem(int position) { // TODO Auto-generated method stub return arrayList.get(position); } @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } public void setSelectedPosition(int position) { selectedPosition = position; } @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE); view = inflater.inflate(R.layout.button_layout, null, false); buttonLayoutHolder = (ButtonLayoutHolder) view.getTag(); if (buttonLayoutHolder == null) { buttonLayoutHolder = new ButtonLayoutHolder(); buttonLayoutHolder.buttonLayout = (LinearLayout) view .findViewById(R.id.LinearLayoutButton); buttonLayoutHolder.textView = (TextView) view .findViewById(R.id.TextViewButton); view.setTag(buttonLayoutHolder); } buttonLayout = buttonLayoutHolder.buttonLayout; buttonText = buttonLayoutHolder.textView; if (selectedPosition == position) { buttonText.setSelected(true); buttonText.setPressed(true); buttonLayout.setBackgroundColor(Color.RED); } else { buttonText.setSelected(false); buttonText.setPressed(false); buttonLayout.setBackgroundColor(Color.TRANSPARENT); } buttonText.setTextColor(Color.WHITE); buttonText.setText(arrayList.get(position).textViewId); return view; } }; } class ButtonView { int textViewId; ButtonView(int tId) { textViewId = tId; } } class ButtonLayoutHolder { LinearLayout buttonLayout; TextView textView; }