Java tutorial
//package com.java2s; import java.util.ArrayList; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; public class Main { public static final String TABLE_NAME = "foot_record"; public static ArrayList<String> queryDay(SQLiteDatabase db) { ArrayList<String> dayList = new ArrayList<String>(); String sqlStr = "select distinct date from " + TABLE_NAME + " order by _id desc"; Cursor cursor = db.rawQuery(sqlStr, null); while (cursor.moveToNext()) { dayList.add(cursor.getString(0)); } return dayList; } }