Android之用PopupWindow实现弹出菜单

package com.myandroid.test; import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.os.Bundle; import android.util.Log; import android.view.Gravity; import android.view.Menu; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.Toast; public class MyMenu extends Activity { private List<String> titles; //标题栏 private List<List<String>> item_names; //选项名称 private List<List<Integer>> item_images; //选项图标 private MyDefinedMenu myMenu; //弹出菜单 /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //弹出菜单标题栏 titles = addItems(new String[]{"菜单一", "菜单二", "菜单三"}); //选项图标 item_images = new ArrayList<List<Integer>>(); item_images.add(addItems(new Integer[]{R.drawable.bag, R.drawable.bluetooth, R.drawable.earth, R.drawable.email})); item_images.add(addItems(new Integer[]{R.drawable.map, R.drawable.news, R.drawable.reader, R.drawable.sound, R.drawable.tape})); item_images.add( addItems(new Integer[]{R.drawable.telephone, R.drawable.bluetooth, R.drawable.earth, R.drawable.email})); //选项名称 item_names = new ArrayList<List<String>>(); item_names.add(addItems(new String[]{"购物", "蓝牙", "游览器", "邮件"})); item_names.add(addItems(new String[]{"地图", "新闻", "阅读器", "音箱", "录音"})); item_names.add(addItems(new String[]{"电话", "蓝牙", "阅读器", "邮箱"})); //创建弹出菜单对象 myMenu = new MyDefinedMenu(this, titles, item_names, item_images, new ItemClickEvent()); } /** * 转换为List<String> * @param values * @return */ private List<String> addItems(String[] values) { List<String> list = new ArrayList<String>(); for (String var : values) { list.add(var); } return list; } /** * 转换为List<Integer> * @param values * @return */ private List<Integer> addItems(Integer[] values) { List<Integer> list = new ArrayList<Integer>(); for (Integer var : values) { list.add(var); } return list; } @Override public boolean onCreateOptionsMenu(Menu menu) { menu.add("menu"); return super.onCreateOptionsMenu(menu); } @Override public boolean onMenuOpened(int featureId, Menu menu) { if(0 == myMenu.currentState && myMenu.isShowing()) { Log.e("isShowing:", "" + myMenu.isShowing()); myMenu.dismiss(); //对话框消失 myMenu.currentState = 1; //标记状态，已消失 Log.e("MenuState:", "dismissing"); } else { myMenu.showAtLocation(findViewById(R.id.layout), Gravity.BOTTOM, 0,0); Log.e("isShowing:", "" + myMenu.isShowing()); myMenu.currentState = 0; //标记状态，显示中 Log.e("MenuState:", "showing"); } return false; // true--显示系统自带菜单；false--不显示。 } @Override public void closeOptionsMenu() { // TODO Auto-generated method stub super.closeOptionsMenu(); Log.e("MenuState:", "closeOptionsMenu"); } @Override public void onOptionsMenuClosed(Menu menu) { // TODO Auto-generated method stub super.onOptionsMenuClosed(menu); Log.e("MenuState:", "onOptionsMenuClosed"); } /** * 菜单选项点击事件 * @author Kobi * */ class ItemClickEvent implements OnItemClickListener { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { //显示点击的是哪个菜单哪个选项。 Toast.makeText(MyMenu.this, "Menu: " + titles.get(myMenu.getTitleIndex()) + " Item: " + item_names.get(myMenu.getTitleIndex()).get(arg2), Toast.LENGTH_SHORT).show(); myMenu.dismiss(); //菜单消失 myMenu.currentState = 1; //标记状态，已消失 Log.e("MenuState:", "dismissing"); } } @Override protected void onPause() { // TODO Auto-generated method stub super.onPause(); Log.e("Activity:", "onPause"); } @Override protected void onRestart() { // TODO Auto-generated method stub super.onRestart(); Log.e("Activity:", "onRestart"); } @Override protected void onResume() { // TODO Auto-generated method stub super.onResume(); Log.e("Activity:", "onResume"); } }