Hello,
I am trying to create a very simple program that will change the text
of a label object when I click a button. I have created the button
and the label using the XML file, but now I have no idea how I can
write the callback when the user presses the button. I tried reading
the help file that's in the developer documentation (http://
code.google.com/android/devel/ui/notifications.html) but I found it to
be very unhelpful. Can someone help me out here?
My main code looks like this:
__________________________________
package com.xandem.gossamer;
import android.app.Activity;
import android.os.Bundle;
public class gossamer extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
};
__________________________________
and my XML file is this:
__________________________________
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/
android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<Button id="@+id/gossamerBut"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/buttonText"
android:gravity="center"
android:layout_margin="20px"
android:textSize="15pt"
/>
<TextView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:text="@string/defaultAnswer"
android:gravity="center"
android:layout_margin="20px"
/>
</LinearLayout>
__________________________________
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