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BOOK: Professional Android Application Development ISBN: 978-0-470-34471-2
This is the forum to discuss the Wrox book Professional Android Application Development by Reto Meier; ISBN: 9780470344712
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Old April 18th, 2009, 09:02 AM
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Default Chapter 6: Creating Table-example not working

So I followed the examples in chapter 6 for quickly creating a small database. But when I run this code the exception is thrown. How come? Im using SDK1.1


Code:
package simpleTest.database;

import android.app.Activity;
import android.content.ContentValues;
import android.content.Context;
import android.database.SQLException;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.widget.Toast;

public class DBtest extends Activity {
    
    private static final String DATABASE_NAME = "myDatabase.db";
    private static final String DATABASE_TABLE = "mainTable";
    private static final String DATABASE_CREATE = "create table " + DATABASE_TABLE + " ( _id integer primary key autoincrement," +
    "column_one text not null);";
    
    SQLiteDatabase myDatabase;
    
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
            

        myDatabase = openOrCreateDatabase(DATABASE_NAME, Context.MODE_PRIVATE, null);
        try {
            myDatabase.execSQL(DATABASE_CREATE);
            } catch (SQLException ex){
                Toast.makeText(getBaseContext(), "error...", 
                        Toast.LENGTH_SHORT).show();
            }
    }
}
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Old April 21st, 2009, 12:07 PM
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Default

Check for a Database error in the Log window, if you're using Eclipse. That will probably give you a good hint.
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sandstrp (April 27th, 2009)
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Old April 27th, 2009, 06:45 PM
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why thank you, that helped. The table already existed, so the exception was thrown! ^__^
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