本文介绍了一个简单的Android应用程序实例，展示了如何使用ListView组件显示一个国家列表。通过ArrayAdapter将字符串数组数据绑定到ListView上，实现了一个基本的应用界面。
package com.example.listviewdemo;
import android.os.Bundle;
import android.app.Activity;
import android.app.ListActivity;
import android.view.Menu;
import android.widget.ArrayAdapter;
public class MainActivity extends ListActivity {
private static final String[] countries={"China","America","Japan","German"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setListAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_expandable_list_item_1,countries));
}
}
import android.os.Bundle;
import android.app.Activity;
import android.app.ListActivity;
import android.view.Menu;
import android.widget.ArrayAdapter;
public class MainActivity extends ListActivity {
private static final String[] countries={"China","America","Japan","German"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setListAdapter(new ArrayAdapter<String>(this,android.R.layout.simple_expandable_list_item_1,countries));
}
}
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