/***
Copyright (c) 2012-2015 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.backup;
import android.app.ListFragment;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.reflect.TypeToken;
import com.squareup.okhttp.Callback;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.Response;
import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;
import java.io.IOException;
import java.lang.reflect.Type;
import java.util.List;
public class RestoreRosterFragment extends ListFragment
implements Callback {
private static final String URL_BACKUPS=
BuildConfig.URL_SERVER+"/api/backups";
private ArrayAdapter<BackupMetadata> adapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
}
@Override
public void onStart() {
super.onStart();
EventBus.getDefault().register(this);
}
@Override
public void onStop() {
EventBus.getDefault().unregister(this);
super.onStop();
}
@Override
public void onViewCreated(View view,
Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
Request request=new Request.Builder()
.url(URL_BACKUPS)
.build();
BackupService.OKHTTP_CLIENT.newCall(request).enqueue(this);
}
@Override
public void onFailure(Request request, IOException e) {
Toast.makeText(getActivity(), R.string.msg_roster_failure,
Toast.LENGTH_LONG).show();
Log.e(getClass().getSimpleName(),
"Exception retrieving backup roster", e);
}
@Override
public void onResponse(Response response) throws IOException {
Gson gson=new GsonBuilder()
.setDateFormat("yyyy-MM-dd'T'HH:mm:ssZZZZZ")
.create();
Type listType=new TypeToken<List<BackupMetadata>>() {}.getType();
EventBus
.getDefault()
.post(
gson.fromJson(response.body().charStream(), listType));
}
@Override
public void onListItemClick(ListView l, View v, int position,
long id) {
String url=
BuildConfig.URL_SERVER+adapter.getItem(position).dataset;
Intent i=
new Intent(getActivity(), RestoreProgressActivity.class)
.setData(Uri.parse(url))
.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|
Intent.FLAG_ACTIVITY_CLEAR_TASK|
Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
startActivity(i);
}
@Subscribe(threadMode =ThreadMode.MAIN)
public void onEventMainThread(List<BackupMetadata> roster) {
adapter=new ArrayAdapter<BackupMetadata>(getActivity(),
android.R.layout.simple_list_item_1, roster);
setListAdapter(adapter);
}
}