我正在制作一个应用程序,它根据发件人编号在收件箱中搜索邮件。这是我的代码:如何在查询函数中使用LIKE子句
public void onClick(View v)
{
Toast.makeText(this, "search", Toast.LENGTH_LONG).show();
final Uri SMS_INBOX = Uri.parse("content://sms/inbox");
String[] colList = {"address", "body"};
Cursor c = getContentResolver().query(SMS_INBOX, colList, null, null,"DATE desc");
String yz= String.valueOf(c.getCount());
Toast.makeText(this, yz, Toast.LENGTH_LONG).show();
if(c.moveToFirst())
{
Toast.makeText(this, searchtxt.getText(), Toast.LENGTH_LONG).show();
for(int i=0;i<c.getCount();i++)
{
String number=c.getString(c.getColumnIndexOrThrow("address")).toString();
boolean match = number.toUpperCase().indexOf(searchtxt.getText().toString()) != -1;
if (match)
{
Toast.makeText(this, String.valueOf(i), Toast.LENGTH_LONG).show();
String body= c.getString(c.getColumnIndexOrThrow("body")).toString();
tv.setText(tv.getText() + "\n" + body);
}
c.moveToNext();
}
}
else
{
Toast.makeText(this, "Inside else", Toast.LENGTH_LONG).show();
}
c.close();
}
上述代码工作正常,但它检索收件箱中的所有邮件。我希望它应该只检索那些匹配发件人号码的邮件。为此,我使用LIKE子句尝试了一个查询,但是它返回了0条记录。什么是使用LIKE子句的正确方法。下面是我使用像
String[] colList = {"address", "body"};
String[] argList = {"'%"+searchtxt.getText().toString()+"%'"};
Cursor c = getContentResolver().query(SMS_INBOX, colList, "address LIKE ?", argList,"DATE desc");
String yz= String.valueOf(c.getCount());
Toast.makeText(this, yz, Toast.LENGTH_LONG).show();
请帮我....谢谢你试过代码...
也许你应该使用ILIKE,这使查询大小写不敏感 – Alptugay 2012-07-27 11:07:14
Thanx Alptugay ....但它的功能.. – 2012-07-27 17:07:14