@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // 对广告信息初始化 AdManager.init(getApplicationContext(), "120511ceb41405ad", "7f2e4c0300e37e06", 30, true); setContentView(R.layout.need_show_wethinfo_city_listview); // 导入已有的数据库 dbManager = new DatabaseManager(getApplicationContext()); db = dbManager.importDatabase(); dbManager.closeDB(db); dcity = this; addCity = (Button) findViewById(R.id.addcity); finishCity = (Button) findViewById(R.id.finishcity); listView = (ListView) findViewById(R.id.storecitylist); showCityList(); addCity.setOnClickListener(new AddCityButtonClickListener()); finishCity.setOnClickListener(new FinishCityButtonClickListener()); }