小编use*_*979的帖子

这是代码:

TodoTable.java:

public class TodoTable {

// Database table
public static final String TABLE_TODO = "todo";
public static final String COLUMN_ID_U = "_id";
public static final String COLUMN_CATEGORY = "category";
public static final String COLUMN_SUMMARY = "summary";
public static final String COLUMN_DESCRIPTION = "description";
public static final String COLUMN_SATZE = "satze";

// Database creation SQL statement
private static final String DATABASE_CREATE = "create table " 
        + TABLE_TODO
        + "(" 
        + COLUMN_ID_U + " integer primary key autoincrement, " 
        + COLUMN_CATEGORY …