menu的全部知识

package com.example.android_menu_xml;

import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.ActionMode;
import android.view.ActionMode.Callback;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.SubMenu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView.OnItemLongClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.PopupMenu;
import android.widget.Toast;

public class MainActivity extends Activity implements OnItemLongClickListener,OnItemClickListener {
    private ListView lv;
    private ArrayAdapter<String> mArrayAdapter;
    public Context context = MainActivity.this;
    private SubMenu subMenu;
    ActionMode mActionMode;
    private ActionMode.Callback callback = new Callback() {

        @Override
        public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
            // TODO Auto-generated method stub

            return false;
        }

        @Override
        public void onDestroyActionMode(ActionMode mode) {
            // TODO Auto-generated method stub
            mActionMode = null;
        }

        @Override
        public boolean onCreateActionMode(ActionMode mode, Menu menu) {
            // TODO Auto-generated method stub
            MenuInflater inflater = mode.getMenuInflater();
            inflater.inflate(R.menu.main, menu);
            return true;
        }

        @Override
        public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
            // TODO Auto-generated method stub
            switch (item.getItemId()) {
            case R.id.add:
                Toast.makeText(context, "onActionItemClicked,add", 1).show();

                break;
            case R.id.edit:
                Toast.makeText(context, "onActionItemClicked,edit", 1).show();

                break;
            case R.id.del:
                Toast.makeText(context, "onActionItemClicked,del", 1).show();

                break;

            }
            return true;
        }
    };

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        init();
        lv.setAdapter(mArrayAdapter);
        registerForContextMenu(lv);
        lv.setOnItemLongClickListener(new OnItemLongClickListener() {

            @Override
            public boolean onItemLongClick(AdapterView<?> parent, View view,
                    int position, long id) {
                // TODO Auto-generated method stub
                mActionMode = startActionMode(callback);
                view.setSelected(true);
                return false;
            }
            
        });
    }

    void init() {
        lv = (ListView) findViewById(R.id.listView1);
        mArrayAdapter = new ArrayAdapter<String>(context,
                android.R.layout.simple_list_item_1, getData());
    }

    public void showpopMenu(View view) {
        PopupMenu popupMenu = new PopupMenu(context, view);
        popupMenu.getMenuInflater().inflate(R.menu.menu1, popupMenu.getMenu());
        popupMenu.show();
    }

    List<String> getData() {
        List<String> mlist = new ArrayList<String>();
        for (int i = 0; i < 10; i++) {
            mlist.add("minfan" + i);
        }
        return mlist;
    }
    @Override
    public boolean onContextItemSelected(MenuItem item) {
        // TODO Auto-generated method stub
        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
                .getMenuInfo();
        String value = mArrayAdapter.getItem(info.position);
        switch (item.getItemId()) {
        case R.id.item1:
            Toast.makeText(context, "item1" + value, Toast.LENGTH_SHORT).show();
            break;
        case R.id.item2:
            Toast.makeText(context, "item2" + value, Toast.LENGTH_SHORT).show();
            break;
        case R.id.item3:
            Toast.makeText(context, "item3" + value, Toast.LENGTH_SHORT).show();
            break;
        }
        return super.onContextItemSelected(item);
    }

    @Override
    public void onCreateContextMenu(android.view.ContextMenu menu, View v,
            android.view.ContextMenu.ContextMenuInfo menuInfo) {
        getMenuInflater().inflate(R.menu.menu1, menu);
    };

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // TODO Auto-generated method stub
        getMenuInflater().inflate(R.menu.main, menu);// 填充menu文件夹中的main.xml菜单layout
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {// 对菜单的子项实现监控
        // TODO Auto-generated method stub
        subMenu = item.getSubMenu();
        switch (item.getItemId()) {
        case R.id.add:
            Toast.makeText(MainActivity.this, "add", Toast.LENGTH_SHORT).show();
            break;
        case R.id.edit:
            Toast.makeText(MainActivity.this, "edit", Toast.LENGTH_SHORT)
                    .show();
            break;
        case R.id.del:
            Toast.makeText(MainActivity.this, "del", Toast.LENGTH_SHORT).show();
            break;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onMenuItemSelected(int featureId, MenuItem item) {
        // TODO Auto-generated method stub
        switch (item.getItemId()) {
        case R.id.addall:
            Toast.makeText(MainActivity.this, "addall", Toast.LENGTH_SHORT)
                    .show();
            break;
        case R.id.addsomeone:
            Toast.makeText(MainActivity.this, "addsomeone", Toast.LENGTH_SHORT)
                    .show();
            break;
        }
        return super.onMenuItemSelected(featureId, item);
    }
 
    @Override
    public boolean onItemLongClick(AdapterView<?> parent, View view,
            int position, long id) {
        // TODO Auto-generated method stub
        switch (view.getId()) {
        case R.id.addall:
            Toast.makeText(MainActivity.this, "onItemLongClick,addall", Toast.LENGTH_SHORT)
                    .show();
            break;
        case R.id.addsomeone:
            Toast.makeText(MainActivity.this, "onItemLongClick,addsomeone", Toast.LENGTH_SHORT)
                    .show();
            break;
        }
        return true;
    }

    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position,
            long id) {
        // TODO Auto-generated method stub
        switch (view.getId()) {
        case R.id.addall:
            Toast.makeText(MainActivity.this, "onItemClick,addall", Toast.LENGTH_SHORT)
                    .show();
            break;
        case R.id.addsomeone:
            Toast.makeText(MainActivity.this, "onItemClick,addsomeone", Toast.LENGTH_SHORT)
                    .show();
            break;
        }
    }
}