Question

 I have one function  which is called on list item Click and list items contain 
 name and phone Numbers,i Use the following query,but what query Should i use 
 retrieve particular phone Number That Matches (Long id)

 protected void  onListItemClick  (ListView l, View v, int position, long id)
{

    try
    {
    String[] PROJECTION=new String[] {Contacts._ID,
            Contacts.DISPLAY_NAME,
            Phone.NUMBER
        };
    Cursor c=managedQuery(Phone.CONTENT_URI,
        PROJECTION, "where _ID == id ", null, null);
    System.out.println(Phone.NUMBER);
    c.close();
    }
    catch(Exception e)
    {
        e.printStackTrace();

    }
    for(int i=0;i<=position;i++)
    {   


        if(position==i)
        {
            Intent i1 = new Intent(v.getContext(),SMS.class);
            startActivity(i1);


        }   



}

Answer 1

1）INSTEAOD OF Cursor c = managedQuery（Phone.CONTENT_URI，PROJECTION，“where _ID == id”，null，null）; 试试这个：光标c = managedQuery（Phone.CONTENT_URI，PROJECTION，“_ id == xxx”，null，null）;

2）添加到清单：

3）在c.close（）使用之前 c.moveToFirts（）; c.getString（2）; //电话号码

希望这会有所帮助

Android内容提供商

1 个答案: