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/*
* Copyright 2016 The Android Open Source Project
*
* 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 com.example.android.directboot;
import com.example.android.directboot.alarms.Alarm;
import com.example.android.directboot.alarms.AlarmAdapter;
import com.example.android.directboot.alarms.AlarmIntentService;
import com.example.android.directboot.alarms.AlarmStorage;
import com.example.android.directboot.alarms.AlarmUtil;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.app.Fragment;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
/**
* Fragment that registers scheduled alarms.
*/
public class SchedulerFragment extends Fragment {
private static final String FRAGMENT_TIME_PICKER_TAG = "fragment_time_picker";
private AlarmAdapter mAlarmAdapter;
private AlarmUtil mAlarmUtil;
private TextView mTextViewIntroMessage;
private BroadcastReceiver mAlarmWentOffBroadcastReceiver;
public static SchedulerFragment newInstance() {
SchedulerFragment fragment = new SchedulerFragment();
return fragment;
}
public SchedulerFragment() {
// Required empty public constructor
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
mAlarmWentOffBroadcastReceiver = new AlarmWentOffReceiver();
LocalBroadcastManager.getInstance(getActivity())
.registerReceiver(mAlarmWentOffBroadcastReceiver,
new IntentFilter(AlarmIntentService.ALARM_WENT_OFF_ACTION));
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_alarm_scheduler, container, false);
}
@Override
public void onViewCreated(final View rootView, Bundle savedInstanceState) {
super.onViewCreated(rootView, savedInstanceState);
FloatingActionButton fab = (FloatingActionButton) rootView.findViewById(R.id.fab_add_alarm);
fab.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
TimePickerFragment fragment = TimePickerFragment.newInstance();
fragment.setAlarmAddListener(new AlarmAddListenerImpl());
fragment.show(getFragmentManager(), FRAGMENT_TIME_PICKER_TAG);
}
});
mTextViewIntroMessage = (TextView) rootView.findViewById(R.id.text_intro_message);
Activity activity = getActivity();
AlarmStorage alarmStorage = new AlarmStorage(activity);
mAlarmAdapter = new AlarmAdapter(activity, alarmStorage.getAlarms());
if (mAlarmAdapter.getItemCount() == 0) {
mTextViewIntroMessage.setVisibility(View.VISIBLE);
}
RecyclerView recyclerView = (RecyclerView) rootView.findViewById(R.id.recycler_view_alarms);
recyclerView.setLayoutManager(new LinearLayoutManager(activity));
recyclerView.setAdapter(mAlarmAdapter);
recyclerView.addItemDecoration(new AlarmAdapter.DividerItemDecoration(activity));
mAlarmUtil = new AlarmUtil(activity);
}
@Override
public void onDestroy() {
LocalBroadcastManager.getInstance(getActivity())
.unregisterReceiver(mAlarmWentOffBroadcastReceiver);
super.onDestroy();
}
/**
* {@link TimePickerFragment.AlarmAddListener} to do actions after an alarm is added.
*/
private class AlarmAddListenerImpl implements TimePickerFragment.AlarmAddListener {
@Override
public void onAlarmAdded(Alarm alarm) {
mAlarmAdapter.addAlarm(alarm);
mAlarmUtil.scheduleAlarm(alarm);
mTextViewIntroMessage.setVisibility(View.GONE);
}
}
/**
* A {@link BroadcastReceiver} that receives an intent when an alarm goes off.
* This receiver removes the corresponding alarm from the RecyclerView.
*/
private class AlarmWentOffReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Alarm alarm = intent.getParcelableExtra(AlarmIntentService.ALARM_KEY);
mAlarmAdapter.deleteAlarm(alarm);
}
}
}
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