I am a beginner at Android Studio... my code only works with 3 columns on the table, if add another field to the table, logcat will return:
no such column: "fone"
I have change the TABLE creation part of code and now it is returning another error (I don't know if the first error still exists):
SQLite Log: (1) near ")": syntax error
For sure the error is on the creation of the TABLE or the QUERY...
I have searched for the answer and the name of the field is not a KEYWORD, and I have tried to corrected the commas etc...
I think that the SelectionArguments is the solution, but I am unexperienced, I don't know exactly how to put the values there...
It's strange, because I added the field to the TABLE the same way I did to the others, but now it's returning these errors, the apk chrashes.
Here is the TABLE:
public void onCreate(SQLiteDatabase db) {
        String livro = "CREATE TABLE livros " +
                       " ( " +
                         " id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL," +
                         " titulo TEXT NOT NULL," +
                         " autor TEXT NOT NULL," +
                         " pagina TEXT NOT NULL," +
                         " fone INTEGER," +
                       " )" ;
        db.execSQL(livro);
The part of the QUERY:
String[] columns = {"id", "titulo", "autor", "pagina", "fone"};
        Cursor cursor = getWritableDatabase().query("livros", columns,  null, null, null, null, null, null);
        ArrayList<Livros> livros = new ArrayList<Livros>();
        while (cursor.moveToNext()){
            Livros livro = new Livros();
            livro.setId(cursor.getLong(0));
            livro.setTitulo(cursor.getString(1));
            livro.setAutor(cursor.getString(2));
            livro.setPagina(cursor.getString(3));
            livro.setFone((cursor.getInt(4))); ...
 
    