Android 在列表或recyclerView中动态添加微调器
我想在列表视图或回收器视图中为ex添加n个微调器,如果n为4,则4个微调器中应该有不同的项目。 我试过使用recycler视图,但正如它的名字所说,它是recycles视图,我不认为可以添加更多视图(我不确定)。下面是我的代码Android 在列表或recyclerView中动态添加微调器,android,listview,android-recyclerview,spinner,Android,Listview,Android Recyclerview,Spinner,我想在列表视图或回收器视图中为ex添加n个微调器,如果n为4,则4个微调器中应该有不同的项目。 我试过使用recycler视图,但正如它的名字所说,它是recycles视图,我不认为可以添加更多视图(我不确定)。下面是我的代码 public class Online3 extends AppCompatActivity { List<String> categories1, categories2, categories3, categories4, categories13,
public class Online3 extends AppCompatActivity {
List<String> categories1, categories2, categories3, categories4, categories13, categories12, categories5, categories6;
String objectId;
private List<Array_G_S> list = new ArrayList<>();
RecyclerView recyclerView;
ArrayAdap adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_online3);
Intent intent = getIntent();
objectId = intent.getStringExtra("objId");
String txt = intent.getStringExtra("imageText");
if (objectId != null) {
Log.i("sand", objectId);
} else {
Log.i("sand", txt);
}
new RemoteTask().execute();
}
private class RemoteTask extends AsyncTask<Void, Void, Void> {
@Override
protected Void doInBackground(Void... params) {
ParseQuery<ParseObject> query = new ParseQuery<>("OnlineShopping");
query.whereEqualTo("objectId", objectId);
List<ParseObject> object1 = null;
try {
object1 = query.find();
for (final ParseObject country : object1) {
if (country != null) {
ParseRelation<ParseObject> p = country.getRelation("arrayRelation");
ParseQuery p2 = p.getQuery();
List<ParseObject> oc = p2.find();
for (ParseObject country2 : oc) {
if (country2 != null) {
categories1 = country2.getList("eType");
Array_G_S gs = new Array_G_S();
gs.setStringList(categories1);
list.add(gs);
}
}
}
// Locate images in flag column
}
} catch (com.parse.ParseException e1) {
e1.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(Void aVoid) {
recyclerView = (RecyclerView) findViewById(R.id.arrayRecy);
recyclerView.setNestedScrollingEnabled(false); // Smooth Scrolling
RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getApplicationContext());
adapter = new ArrayAdap(getApplicationContext(), list);
recyclerView.setLayoutManager(layoutManager);
recyclerView.setItemAnimator(new DefaultItemAnimator());
recyclerView.setAdapter(adapter);
}
}
public class Online 3扩展了AppCompative活动{
列出类别1、类别2、类别3、类别4、类别13、类别12、类别5、类别6;
字符串objectId;
私人名单
public class ArrayAdap extends RecyclerView.Adapter<ArrayAdap.MyViewHolder> {
private Context context;
private List<Array_G_S> list = null;
ArrayAdapter<Array_G_S> dataAdapter;
public ArrayAdap(Context context, List<Array_G_S> list) {
this.context = context;
this.list = list;
}
@Override
public ArrayAdap.MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.spinner, parent, false);
return new MyViewHolder(itemView);
}
@Override
public void onBindViewHolder(ArrayAdap.MyViewHolder holder, int position) {
Array_G_S gs = list.get(position);
dataAdapter = new ArrayAdapter<String>(context,android.R.layout.simple_spinner_item,gs.getStringList());
dataAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
holder.spinner.setAdapter(dataAdapter);
}
@Override
public int getItemCount() {
return list.size();
}
public class MyViewHolder extends RecyclerView.ViewHolder {
Spinner spinner;
public MyViewHolder(View v) {
super(v);
spinner = (Spinner) v.findViewById(R.id.spin);
}
}