Nullpointer exception when creating a database and have created two programs but the exception are occurring in different sections?


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I am trying to create a database applet for origami instructions. I
had created the first applet which has two important parts: the list
of instructions and the edit/add new instructions; it goes like this:
Welcome page --> Main menu --> click on list of instructions button
--> nullpointer exception. The edit/add button which leads to the
edit/add menu works fine. After trying so many trys to get rid of the
exception, I created a second applet. It goes like: First two parts
are the same --> click on edit/add button --> nullpointer exception.
The list of instructions works just fine in this applet for some
reason. I have checked in both programs and I have everything from the
main menu to

I created a one-page website using jQueryMobile.

/>

"One-page" means the whole website consists of just one
index.html file while different content is displayed via anchors,
e.g.


index.html#start
index.html#contact />index.html#aboutus
and so on...

I created an iFrame via
JavaScript like this:


var iframe =
$("<iframe>").addClass("myframe").appendTo(container).get(0); />var iframeDoc = (iframe.contentDocument) ? iframe.contentDocument :
iframe.contentWindow.document;

In line 2 I get an
exception which states:


Uncaught Ty

Web Design

I am trying to create a database applet for origami instructions. I
had created the first applet which has two important parts: the list
of instructions and the edit/add new instructions; it goes like this:
Welcome page --> Main menu --> click on list of instructions button
--> nullpointer exception. The edit/add button which leads to the
edit/add menu works fine. After trying so many trys to get rid of the
exception, I created a second applet. It goes like: First two parts
are the same --> click on edit/add button --> nullpointer exception.
The list of instructions works just fine in this applet for some
reason. I have checked in both programs and I have everything from the
main menu to

Databases

EDIT 4: I have a game Im trying to use to save a highscore from.
From the main menu the user presses a 'View Highscore' button which
calls the ViewHighscores activity. From here the activity tries to
display all current saved scores. It seems like it thinks the database
is empty, and that its never reaching the onCreate, but I dont know
why


package nick.android.com;
import
java.util.ArrayList;
import android.app.ListActivity;
import
android.content.Intent;
import android.database.Cursor; />import android.database.sqlite.SQLiteDatabase;
import
android.os.Bundle;
import android.view.View;
import
android.widget.Array
Programming Languages

I am trying to get the value of an EditText in my CustomView, but
reference to that gives a NullPointer Exception... Please
Help!!!


This is my xml file of the ImageActivity..

/><?xml version="1.0" encoding="utf-8"?> /><LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android" />android:layout_width="match_parent" />android:layout_height="wrap_content" />android:orientation="vertical" >
<LinearLayout

xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="wrap_content"
android:orientation="ho
Programming Languages
Hello folks after a long time I am posting any query here. I am
getting a NullPointer Exception Error in the following code:- public
class DBAdapter {int id = 0;public static final String KEY_ROWID =
"_id";public static final String KEY_FNAME = "FirstName";public static
final String KEY_LNAME = "LastName";public static final String
KEY_EMAILID = "Email";public static final String KEY_PASSWORD =
"Password";private static final String TAG = "DBAdapter";private
static final String DATAB
Android
The below program throws an exception for the action performed method
and a whole bunch of other actions. It doesn't show any error. But
gives a null pointer exception. Can anyone help on this? I'm trying to
implement this in model view controller and observer patternsimport
javax.swing.*;import java.awt.*;import java.awt.event.*;import
java.util.HashMap;public class SaleFrame extends JFrame { private
Controller controller1= new Controller();private JButton
enterItemButton = new JButto
Programming Languages

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