小编use*_*336的帖子

我使用我的数据库时遇到问题.请检查一下:

// Database Name
private static final String DATABASE_NAME = "Poloha";

// Data table name
private static final String DATA = "Data";

// Data Table Columns names
private static final String KEY_Y= "Y";
private static final String KEY_X= "X";
private static final String KEY_ID = "_id";
private static final String KEY_NAZEV = "Nazev";
private static final String KEY_MAC = "MAC";

public void onCreate(SQLiteDatabase db) 
{
    String CREATE_CONTACTS_TABLE = "CREATE TABLE IF NOT EXISTS" 
            + DATA + "("
            + KEY_ID + …