3 messages in com.googlegroups.android-developers[android-developers] NullPointer Exce...
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MichaMicha27 Jun 2008 13:12 
Mark Murphy27 Jun 2008 15:21 
MichaMicha28 Jun 2008 03:53 
Subject:[android-developers] NullPointer Exception error at simple application
From:MichaMicha (mich@gmail.com)
Date:06/27/2008 01:12:17 PM
List:com.googlegroups.android-developers

Hello, I'm kinda new to Android, but got some Java experience, but still got this annoying error even before i see anything on the screen:

ERROR/AndroidRuntime(1593): Uncaught handler: thread Main exiting due to uncaught exception ERROR/AndroidRuntime(1593): java.lang.RuntimeException: Unable to start activity ComponentInfo{nl.michamicha.android.androidtides/ nl.michamicha.android.androidtides.androidtides}: java.lang.NullPointerException ERROR/AndroidRuntime(1593): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java: 1758)

(...)

ERROR/AndroidRuntime(1593): Caused by: java.lang.NullPointerException ERROR/AndroidRuntime(1593): at nl.michamicha.android.androidtides.androidtides.onCreate(androidtides.java: 22) ERROR/AndroidRuntime(1593): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java: 847) ERROR/AndroidRuntime(1593): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java: 1728) ERROR/AndroidRuntime(1593): ... 11 more

This is my code:

package nl.michamicha.android.androidtides;

import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.Button;

public class androidtides extends Activity {

Button searchButton, cancelButton;

/** Called when the activity is first created. */ @Override public void onCreate(Bundle icicle) { super.onCreate(icicle);

searchButton = (Button) findViewById(R.id.ok); cancelButton = (Button) findViewById(R.id.cancel);

searchButton.setOnClickListener(new clicker()); cancelButton.setOnClickListener(new clicker());

setContentView(R.layout.search); }

// -----------------------------------

class clicker implements Button.OnClickListener { public void onClick(View v) { if (v == searchButton) {

} if (v == cancelButton) {

} }

} }

Can anyone help me with this problem??