/
QuestionsFragment.java
123 lines (100 loc) · 3.79 KB
/
QuestionsFragment.java
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/***
Copyright (c) 2013-2014 CommonsWare, LLC
Licensed under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy
of the License at http://www.apache.org/licenses/LICENSE-2.0. Unless required
by applicable law or agreed to in writing, software distributed under the
License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS
OF ANY KIND, either express or implied. See the License for the specific
language governing permissions and limitations under the License.
Covered in detail in the book _The Busy Coder's Guide to Android Development_
https://commonsware.com/Android
*/
package com.commonsware.android.processtext;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.text.Html;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import com.squareup.picasso.Picasso;
import java.util.List;
import retrofit.Callback;
import retrofit.RestAdapter;
import retrofit.RetrofitError;
import retrofit.client.Response;
public class QuestionsFragment extends ListFragment implements
Callback<SOQuestions> {
public interface Contract {
void onQuestion(Item question);
}
private static final String ARG_SEARCH="search";
static QuestionsFragment newInstance(String search) {
QuestionsFragment result=new QuestionsFragment();
Bundle args=new Bundle();
args.putString(ARG_SEARCH, search);
result.setArguments(args);
return(result);
}
@Override
public View onCreateView(LayoutInflater inflater,
ViewGroup container,
Bundle savedInstanceState) {
View result=
super.onCreateView(inflater, container, savedInstanceState);
setRetainInstance(true);
RestAdapter restAdapter=
new RestAdapter.Builder().setEndpoint("https://api.stackexchange.com")
.build();
StackOverflowInterface so=
restAdapter.create(StackOverflowInterface.class);
String search=getArguments().getString(ARG_SEARCH);
if (search==null) {
so.questions("android", this);
}
else {
so.search(search, this);
}
return(result);
}
@Override
public void onListItemClick(ListView l, View v, int position, long id) {
Item item=((ItemsAdapter)getListAdapter()).getItem(position);
((Contract)getActivity()).onQuestion(item);
}
@Override
public void failure(RetrofitError exception) {
Toast.makeText(getActivity(), exception.getMessage(),
Toast.LENGTH_LONG).show();
Log.e(getClass().getSimpleName(),
"Exception from Retrofit request to StackOverflow", exception);
}
@Override
public void success(SOQuestions questions, Response response) {
setListAdapter(new ItemsAdapter(questions.items));
}
class ItemsAdapter extends ArrayAdapter<Item> {
ItemsAdapter(List<Item> items) {
super(getActivity(), R.layout.row, R.id.title, items);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View row=super.getView(position, convertView, parent);
Item item=getItem(position);
ImageView icon=(ImageView)row.findViewById(R.id.icon);
Picasso.with(getActivity()).load(item.owner.profileImage)
.fit().centerCrop()
.placeholder(R.drawable.owner_placeholder)
.error(R.drawable.owner_error).into(icon);
TextView title=(TextView)row.findViewById(R.id.title);
title.setText(Html.fromHtml(getItem(position).title));
return(row);
}
}
}