我有两个xml文件。其中之一包含ListView和填充listView的人。我是 能够显示的项目,但事情是,它不能被滚动。例如,我有要显示的项目列表,但不会自动启用滚动。应该增强哪部分代码,以便它可以滚动。我知道listView默认启用滚动。请帮助我这个。提前致谢。制作ListView可滚动
public class ActivityViewCategory extends ListActivity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_view_products);
// Hashmap for ListView
productsList = new ArrayList<HashMap<String, String>>();
// Get listview
ListView lv = getListView();
.
.
.
protected void onPostExecute(String file_url) {
// dismiss the dialog after getting all products
pDialog.dismiss();
// updating UI from Background Thread
runOnUiThread(new Runnable() {
public void run() {
/**
* Updating parsed JSON data into ListView
ArrayList<HashMap<String, String>> com.example.restotrial.ActivityViewCategory.productsList * */
ListAdapter adapter = new SimpleAdapter(
ActivityViewCategory.this, productsList,
R.layout.list_item, new String[] { TAG_PID,
TAG_NAME},
new int[] { R.id.pid, R.id.name });
// updating listview
setListAdapter(adapter);
}
});
}
}
activity_view_products.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<!-- Main ListView
Always give id value as list(@android:id/list)
-->
<ListView
android:id="@android:id/list"
android:layout_width="fill_parent"
android:layout_height="456dp" >
</ListView>
</LinearLayout>
list_item.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<!-- Product id (pid) - will be HIDDEN - used to pass to other activity -->
<TextView
android:id="@+id/pid"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:visibility="gone" />
<!-- Name Label -->
<TextView
android:id="@+id/name"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingTop="6dip"
android:paddingLeft="6dip"
android:textSize="17dip"
android:textStyle="bold" />
</LinearLayout>
看看这个答案:http://stackoverflow.com/questions/4310738/making-android-listview-layout-scrollable – verybadalloc
你能编辑你的问题,包括你试过的不同答案吗?它会帮助我缩小搜索范围,解决您的问题:) – verybadalloc