I copied and paste the ListViewDemo codes from the book Beginning
Android 2, page 61.
There are no errors in Eclipse, BUT when it is executed in Android 2.1
& Android 2.2 emulators the application displays a pop-up for a
problem or crashes instantly.
I am a beginner in Android Development, any help regarding this issue
would be greatly appreciated. Thank you!
FILENAME: ListViewDemo.java
package com.commonsware.android.list;
import android.app.Activity;
import android.os.Bundle;
import android.app.ListActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
public class ListViewDemo extends ListActivity {
TextView selection;
String[] items={"lorem", "ipsum", "dolor", "sit", "amet",
"consectetuer", "adipiscing", "elit",
"morbi", "vel",
"ligula", "vitae", "arcu", "aliquet",
"mollis",
"etiam", "vel", "erat", "placerat",
"ante",
"porttitor", "sodales", "pellentesque",
"augue", "purus"};
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, items));
selection=(TextView)findViewById(R.id.selection);
}
public void onListItemClick(ListView parent, View v, int
position,long id) {
selection.setText(items[position]);
}
}
FILENAME: main.xml
<?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" >
<TextView
android:id="@+id/selection"
android:layout_width="fill_parent"
android:layout_height="wrap_content"/>
<ListView
android:id="@android:id/list"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:drawSelectorOnTop="false"
/>
</LinearLayout>
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