Android 单击ListView上未响应的事件
我正在做一个自定义列表视图。我已经设置了一个自定义适配器,并将其传入包含ListView的片段,但是当我尝试在列表的项目上设置click事件时,它没有响应 这是fragement的onCreateView功能Android 单击ListView上未响应的事件,android,listview,android-listview,Android,Listview,Android Listview,我正在做一个自定义列表视图。我已经设置了一个自定义适配器,并将其传入包含ListView的片段,但是当我尝试在列表的项目上设置click事件时,它没有响应 这是fragement的onCreateView功能 @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inf
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
final View v = (View) inflater.inflate(R.layout.fragment_club, container, false);
listView = (ListView) v.findViewById(R.id.list);
c = new CustomListAdapter(this, clubList);
listView.setAdapter(c);
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
Log.i("Infox", "KRIM");
}
});
return v ;
}
@覆盖
创建视图上的公共视图(布局、充气机、视图组容器、,
Bundle savedInstanceState){
//为该碎片膨胀布局
最终视图v=(视图)充气机。充气(R.layout.fragment_club,容器,假);
listView=(listView)v.findViewById(R.id.list);
c=新的CustomListAdapter(此为clubList);
setAdapter(c);
setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父视图、视图、整型位置、,
长id){
Log.i(“Infox”、“KRIM”);
}
});
返回v;
}
这是我的自定义适配器:
public class CustomListAdapter extends BaseAdapter {
private Fragment fragment;
private LayoutInflater inflater;
private List<Club> cItems;
ImageView img;
Context context;
ListView lv;
public CustomListAdapter(Fragment fragment, List<Club> cItems) {
this.fragment = fragment;
this.cItems = cItems;
}
@Override
public int getCount() {
return cItems.size();
}
@Override
public Object getItem(int location) {
return cItems.get(location);
}
@Override
public long getItemId(int position) {
return position;
}
public static Bitmap getBitmapFromURL(String src) {
try {
Log.e("src", src);
URL url = new URL(src);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoInput(true);
connection.connect();
InputStream input = connection.getInputStream();
Bitmap myBitmap = BitmapFactory.decodeStream(input);
Log.e("Bitmap","returned");
return myBitmap;
} catch (IOException e) {
e.printStackTrace();
Log.e("Exception",e.getMessage());
return null;
}
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (inflater == null) {
context = fragment.getActivity();
inflater = (LayoutInflater) LayoutInflater.from(context);
}
if (convertView == null)
convertView = inflater.inflate(R.layout.list_row, null);
img = (ImageView) convertView.findViewById(R.id.thumbnail);
TextView nomC = (TextView) convertView.findViewById(R.id.title);
TextView slogan = (TextView) convertView.findViewById(R.id.slogan);
TextView descipline = (TextView) convertView.findViewById(R.id.desc);
Button join = (Button) convertView.findViewById(R.id.joinB);
View v = (View) inflater.inflate(R.layout.fragment_club,parent,false);
lv = (ListView) v.findViewById(R.id.list);
// getting movie data for the row
final Club m = cItems.get(position);
//Set the button click event
join.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(context,
m.getNomC(), Toast.LENGTH_LONG).show();
}
});
/* lv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
Log.i("Infox", "KRIM");
}
});*/
// thumbnail image
img.setImageBitmap(getBitmapFromURL(m.getThumbnailUrl()));
// Nom du club
nomC.setText(m.getNomC());
// Slogan Club
slogan.setText(m.getSlogan());
//Disciplines des clubs
descipline.setText(m.getDesc());
return convertView;
}
公共类CustomListAdapter扩展了BaseAdapter{
私有片段;
私人充气机;
私人名单城市;
图像视图img;
语境;
ListView lv;
公共CustomListAdapter(片段片段,列表cItems){
this.fragment=片段;
this.cItems=cItems;
}
@凌驾
public int getCount(){
返回cItems.size();
}
@凌驾
公共对象getItem(int位置){
返回cItems.get(位置);
}
@凌驾
公共长getItemId(int位置){
返回位置;
}
公共静态位图getBitmapFromURL(字符串src){
试一试{
Log.e(“src”,src);
URL=新URL(src);
HttpURLConnection connection=(HttpURLConnection)url.openConnection();
connection.setDoInput(true);
connection.connect();
InputStream输入=连接。getInputStream();
位图myBitmap=BitmapFactory.decodeStream(输入);
Log.e(“位图”,“返回”);
返回我的位图;
}捕获(IOE异常){
e、 printStackTrace();
Log.e(“异常”,e.getMessage());
返回null;
}
}
@凌驾
公共视图getView(int位置、视图转换视图、视图组父视图){
如果(充气器==null){
context=fragment.getActivity();
充气器=(LayoutInflater)LayoutInflater.from(上下文);
}
if(convertView==null)
convertView=充气机。充气(R.layout.list_行,空);
img=(ImageView)convertView.findViewById(R.id.缩略图);
TextView nomC=(TextView)convertView.findViewById(R.id.title);
TextView标语=(TextView)convertView.findViewById(R.id.lamposon);
TextView descipline=(TextView)convertView.findViewById(R.id.desc);
按钮连接=(按钮)convertView.findViewById(R.id.joinB);
视图v=(视图)充气器。充气(右布局。碎片俱乐部,父,假);
lv=(ListView)v.findViewById(R.id.list);
//正在获取行的电影数据
最终俱乐部m=城市获得(位置);
//设置按钮单击事件
join.setOnClickListener(新视图.OnClickListener(){
@凌驾
公共void onClick(视图){
Toast.makeText(上下文,
m、 getNomC(),Toast.LENGTH_LONG).show();
}
});
/*lv.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
public void onItemClick(AdapterView父视图、视图、整型位置、,
长id){
Log.i(“Infox”、“KRIM”);
}
});*/
//缩略图像
setImageBitmap(getBitmapFromURL(m.getThumbnailUrl());
//诺姆杜俱乐部
nomC.setText(m.getNomC());
//标语俱乐部
标语.setText(m.getslawanion());
//俱乐部纪律
setText(m.getDesc());
返回视图;
}
}
PS:正如您在注释代码中所看到的,我曾尝试在自定义适配器中执行此操作,但我认为如果您希望实现ItemClick和ButtonClick,那么对convertView执行与加入按钮相同的操作是毫无希望的。将onClickListener实现为convertView
convertView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Log.i("Infox", "KRIM");
}
});
您应该从适配器中删除onclick,然后您应该使用
setOnItemClickListener
您必须禁用click listener for your按钮“joinB”以使onItemClickListener工作。:)为什么要在适配器内部使用ListView。我只能在“活动/片段”中执行一个按钮?@sureshkumar这只是为了测试,如果我想在单击事件时添加效果?你想在单击时在背景项目上添加效果吗!您必须向convertView添加自定义效果,就像添加按钮一样。