/*
* Copyright 2015 Realm Inc.
*
* 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.
*/
package io.realm.examples.threads;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import java.util.UUID;
import io.realm.Realm;
import io.realm.examples.threads.model.Person;
public class PassingObjectsFragment extends Fragment {
private TextView textContent;
private Realm realm;
private Person person;
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_passing_objects, container, false);
textContent = (TextView) view.findViewById(R.id.text_content);
setListeners(view);
return view;
}
/**
* Sets the click listeners on the three buttons.
*
* RealmObjects are thread confined, therefore they cannot be passed through an intent. We
* recommend using an object identifier and passing that value through the intent. The
* receiving Android component will then obtain that value, open the Realm and query for
* that object.
*
* Below, each {@link android.view.View.OnClickListener} builds an {@link Intent} that
* accepts the {@link Person#getId()} value as a string extra. This is the value that will
* be retrieved in the receiving Android components ({@link ReceivingActivity},
* {@link ReceivingService} and {@link WakefulReceivingBroadcastReceiver}.
*
* @param view The view where the buttons are located.
*/
private void setListeners(View view) {
view.findViewById(R.id.start_activity).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), ReceivingActivity.class);
intent.putExtra("person_id", person.getId());
startActivity(intent);
}
});
view.findViewById(R.id.start_intent_service).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), ReceivingService.class);
intent.putExtra("person_id", person.getId());
getActivity().startService(intent);
}
});
view.findViewById(R.id.start_receiver).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(getActivity(), WakefulReceivingBroadcastReceiver.class);
intent.putExtra("person_id", person.getId());
getActivity().sendBroadcast(intent);
}
});
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
realm = Realm.getDefaultInstance();
realm.executeTransaction(new Realm.Transaction() {
@Override
public void execute(Realm realm) {
person = realm.createObject(Person.class, UUID.randomUUID().toString());
person.setName("Jane");
person.setAge(42);
}
});
textContent.setText(person.toString());
}
@Override
public void onDestroy() {
super.onDestroy();
realm.executeTransaction(new Realm.Transaction() {
@Override
public void execute(Realm realm) {
realm.delete(Person.class);
}
});
// Clear out all Person instances.
realm.close();
}
}