帮助Android中的listView

时间:2010-05-05 09:35:55

标签: android listview

我刚开始使用Android,但无法找到如何在我的活动中显示列表。 活动和布局main.xml如下所示。 如何在布局的ListView'列表'中显示国家/地区数组?

谢谢

public class Atable extends ListActivity {      


    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

    String[] COUNTRIES = new String[] { "Afghanistan", "Albania", "Algeria", "American Samoa", "Andorra"};
    setListAdapter(new ArrayAdapter<String>(this, R.layout.main, COUNTRIES)); //I tried this but it does not work


    }

main.xml中          

    <LinearLayout android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content">
        <TextView android:layout_width="wrap_content"
            android:layout_height="wrap_content" 
            android:text="@string/search" />
        <EditText android:id="@+id/search" 
          android:layout_width="wrap_content"
            android:layout_height="wrap_content" 
            android:layout_weight="1"/>
    </LinearLayout>

    <LinearLayout android:orientation="vertical"
      android:layout_width="wrap_content"
        android:layout_height="wrap_content">

        <ListView android:id="@id/android:list"
              android:layout_width="wrap_content"
                android:layout_height="wrap_content"/>
        <TextView android:id="@id/android:empty"
              android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/noresults"/>
    </LinearLayout>

</LinearLayout>

4 个答案:

答案 0 :(得分:2)

答案 1 :(得分:1)

我认为最简单的方法是覆盖餐馆类中的toString方法并使用ArrayAdapter&lt;餐厅&GT;作为列表内容,然后使用setAdapter

进行设置

答案 2 :(得分:0)

将R.layout.main替​​换为android.R.layout.simple_list_item_1

http://developer.android.com/reference/android/app/ListActivity.html

答案 3 :(得分:0)

我想这就是你想要做的事情:

import android.app.ListActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;

public class LayoutTest extends ListActivity {
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        String[] COUNTRIES = new String[] {"Afghanistan", "Albania", "Algeria", "American Samoa", "Andorra"};
        setListAdapter(new ArrayAdapter(this, android.R.layout.simple_list_item_1, COUNTRIES)); //I tried this but it does not work
    }
}

main.xml中

<?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">

    <LinearLayout android:orientation="horizontal"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content">

        <TextView android:layout_width="wrap_content"
            android:layout_height="wrap_content" 
            android:text="@string/search"/>
        <EditText android:id="@+id/search" 
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" 
            android:layout_weight="1"/>
    </LinearLayout>

    <LinearLayout android:orientation="vertical"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content">

        <ListView android:id="@android:id/list"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"/>
        <TextView android:id="@android:id/empty"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/noresults"/>
    </LinearLayout>
</LinearLayout>