7025d64037ab001d102b83d329af5a0a

Android平台对应的高欢堂所编写的书籍的对应源代码 可以不用敲键盘了

package com.misoo.pkbb;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;

public class ac01 extends Activity implements OnItemClickListener {
    public static final int EXIT_ID = Menu.FIRST;
    private ListView lv;
	private ArrayAdapter<String> adapter;
	private DataModel dm;
	
    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        dm = new DataModel();
        lv = new ListView(this);
        adapter = new ArrayAdapter<String>
               (this, android.R.layout.simple_list_item_1, dm.loadData());
        lv.setAdapter(adapter);
        lv.setOnItemClickListener(this);
        setContentView(lv);
    }
   	public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
		    setTitle("choice: " + String.valueOf(dm.getPrice(arg2)));
  		} 
    @Override
	 public boolean onCreateOptionsMenu(Menu menu) {
	        super.onCreateOptionsMenu(menu);
	        menu.add(0, EXIT_ID, 1, "Exit");
	        MenuItem im = menu.findItem(EXIT_ID);
	        im.setIcon(R.drawable.exit_im);
	        return true;
	 }
	 @Override
	    public boolean onOptionsItemSelected(MenuItem item) {
	        switch (item.getItemId()) {
	        case EXIT_ID:
	            finish();
	            break;
	        }
	        return super.onOptionsItemSelected(item);
	    }

}