Andrioid天气

原文链接：http://www.apkbus.com/blog-725801-62074.html

 

[代码]java代码：

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public ArrayList<string> getCityList(){          ArrayList<string>   cityList1=new ArrayList<string>();          Map<string,string>   map=(Map<string, string="">)   sharedPreferences.getAll();          Collection<string>   collection=map.values();          Iterator<string>   iterator=collection.iterator();                      while(iterator.hasNext()){                String   city=iterator.next();              System.out.println("城市----"+city);                if(!(city.equals("0")||city.equals("1"))){                    cityList1.add(city);                }                       }            //用一个HashSet来将cityList1里面的重复元素去除          HashSet<string>   h=new HashSet<string>(cityList1);          cityList1.clear();                  cityList1.addAll(h);            return cityList1;           }              /*      * 增加城市      */      public boolean   setCityList(String key,String value){          SharedPreferences.Editor   editor=sharedPreferences.edit();          editor.putString(key,   value);          boolean   isSet=editor.commit();          return   isSet;      }      /*      * 删除城市      */      public boolean   deleteCity(String key){          SharedPreferences.Editor   editor=sharedPreferences.edit();          editor.remove(key);            boolean   isDelete=editor.commit();          return   isDelete;      }              /*      * 双击退出      * @see   android.app.Activity#onKeyDown(int, android.view.KeyEvent)      */      @Override      public boolean onKeyDown(int keyCode,   KeyEvent event) {          switch (keyCode)   {          case KeyEvent.KEYCODE_BACK:                if(System.currentTimeMillis()-time>2000){                    Toast.makeText(this,   "退出？", 1000).show();                  time=System.currentTimeMillis();                }else{                    finish();                }                                return   false;              default:                break;            }            return super.onKeyDown(keyCode,   event);      }  }    \</string></string></string></string></string,></string,string></string></string></string>

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