我正在使用一个活动,该活动根据单击的按钮显示几个片段。我在Fragment中实现了一个customlistview,但是由于某种原因,它根本不会被选中。
即使我为行选择设置了布局,onItemClicklistener()
似乎也没有任何响应。这是我的列表视图的XML:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<ListView
android:id="@+id/list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:divider="#b5b5b5"
android:dividerHeight="1dp"
android:listSelector="@drawable/list_selector"
android:descendantFocusability="blocksDescendants"
android:clickable="true"
/>
</LinearLayout>
这是每行的布局:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:background="@drawable/list_selector"
android:orientation="horizontal"
android:padding="5dip"
>
<!-- ListRow Left sied Thumbnail image -->
<LinearLayout
android:id="@+id/thumbnail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:padding="3dip"
>
<ImageView
android:id="@+id/list_image"
android:layout_width="55dip"
android:layout_height="60dip"
android:layout_weight="1"
android:focusable="false"
android:src="@drawable/marker_blog_orange"
/>
</LinearLayout>
<TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/thumbnail"
android:layout_toRightOf="@+id/thumbnail"
android:text="Location here"
android:textColor="#10bcc9"
android:textSize="15dip"
android:textStyle="bold"
android:typeface="sans"
android:focusable="false"
/>
<!-- Artist Name -->
<!--
<TextView
android:id="@+id/artist"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@id/title"
android:layout_marginTop="1dip"
android:layout_toRightOf="@+id/thumbnail"
android:text="user here"
android:textColor="#343434"
android:textSize="10dip" />
-->
<!-- Rightend-->
<TextView
android:id="@+id/duration"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignTop="@id/title"
android:layout_marginRight="5dip"
android:gravity="right"
android:text="distance"
android:textColor="#10bcc9"
android:textSize="10dip"
android:textStyle="bold"
android:focusable="false"
/>
<!-- Rightend Arrow -->
<ImageView
android:id="@+id/imageView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:focusable="false"
android:src="@drawable/arrow" />
<RatingBar
android:id="@+id/ratingB1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/thumbnail"
android:layout_toLeftOf="@+id/imageView1"
android:numStars="5"
android:focusable="false"
android:layout_below="@id/title"/>
</RelativeLayout>
最后是我从服务器检索一些数据并添加onitemclicklistner()
的类:
public class CustomizedListView extends Fragment implements OnItemClickListener{
// All static variables
static final String KEY_ID = "id";
static final String KEY_TITLE = "";
static final String Area ="Area";
static final String KEY_lat = "";
static final String KEY_lng = "";
static final String KEY_THUMB_URL = "thumb_url";
static final String MetersAway="";
ListView list;
LazyAdapter adapter;
HashMap<String, String> marker;
Context context;
private float rtn;
public String TAG;
public View inst = null;
ArrayList<HashMap<String, String>> locationList;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
context = getActivity();
final View rootView = inflater.inflate(R.layout.main, container, false);
locationList = new ArrayList<HashMap<String, String>>();
list=(ListView)rootView.findViewById(R.id.list);
retData();
list.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
Toast.makeText(getActivity(), "yoho",Toast.LENGTH_SHORT).show();
}
});
return rootView;
}
public void retData(){
new Retrieve().execute();//extends asyntask and gets data from my server
}
}
在您的setOnItemClickListener
中,OnItemClickListener()
放置在片段内部。
这样做吧:
public class CustomizedListView extends Fragment implements OnItemClickListener{
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
//the things you want to declare and call
View rootView = inflater.inflate(R.layout.main, container, false);
list=(ListView)rootView.findViewById(R.id.list);
list.setOnClickListener(this);
return rootView;
}
@Override
public void OnClick(View v) {
Toast.makeText(getActivity(), "yoho",Toast.LENGTH_SHORT).show();
}
也读http://developer.android.com/reference/android/view/ViewGroup.html#attr_android:descendantFocusability我不确定android:descendantFocussablity
是否导致listView无法获得焦点