Java tutorial
/* * PowerSwitch by Max Rosin & Markus Ressel * Copyright (C) 2015 Markus Ressel * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package eu.power_switch.gui.fragment.configure_geofence; 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.ContextCompat; import android.support.v4.content.LocalBroadcastManager; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.StaggeredGridLayoutManager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import java.util.ArrayList; import eu.power_switch.R; import eu.power_switch.action.Action; import eu.power_switch.database.handler.DatabaseHandler; import eu.power_switch.google_play_services.geofence.Geofence; import eu.power_switch.gui.IconicsHelper; import eu.power_switch.gui.StatusMessageHandler; import eu.power_switch.gui.adapter.ActionRecyclerViewAdapter; import eu.power_switch.gui.dialog.AddGeofenceEnterActionDialog; import eu.power_switch.gui.dialog.ConfigurationDialogFragment; import eu.power_switch.gui.dialog.ConfigureGeofenceDialog; import eu.power_switch.shared.constants.LocalBroadcastConstants; /** * Created by Markus on 12.09.2015. */ public class ConfigureGeofenceDialogPage2EnterActionsFragment extends ConfigurationDialogFragment { // TODO: exchange static variables for non-static ones and pass added action through intent.extra instead private static ArrayList<Action> currentEnterActions; private static ActionRecyclerViewAdapter actionRecyclerViewAdapter; private BroadcastReceiver broadcastReceiver; private View rootView; /** * Used to notify the setup page that some info has changed * * @param context any suitable context */ public static void sendActionsChangedBroadcast(Context context, ArrayList<Action> actions) { Intent intent = new Intent(LocalBroadcastConstants.INTENT_GEOFENCE_ENTER_ACTIONS_CHANGED); intent.putExtra("actions", actions); LocalBroadcastManager.getInstance(context).sendBroadcast(intent); } /** * Used to add Actions from AddActionDialog * * @param action Action */ public static void addAction(Action action) { currentEnterActions.add(action); actionRecyclerViewAdapter.notifyDataSetChanged(); } @Nullable @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { rootView = inflater.inflate(R.layout.dialog_fragment_configure_geofence_page_2, container, false); broadcastReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { sendActionsChangedBroadcast(getContext(), currentEnterActions); } }; final Fragment fragment = this; FloatingActionButton addActionFAB = (FloatingActionButton) rootView.findViewById(R.id.add_action); addActionFAB.setImageDrawable(IconicsHelper.getAddIcon(getActivity(), ContextCompat.getColor(getActivity(), android.R.color.white))); addActionFAB.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { AddGeofenceEnterActionDialog addGeofenceEnterActionDialog = new AddGeofenceEnterActionDialog(); addGeofenceEnterActionDialog.setTargetFragment(fragment, 0); addGeofenceEnterActionDialog.show(getActivity().getSupportFragmentManager(), null); } }); currentEnterActions = new ArrayList<>(); actionRecyclerViewAdapter = new ActionRecyclerViewAdapter(getActivity(), currentEnterActions); actionRecyclerViewAdapter.setOnDeleteClickListener(new ActionRecyclerViewAdapter.OnItemClickListener() { @Override public void onItemClick(View itemView, int position) { currentEnterActions.remove(position); actionRecyclerViewAdapter.notifyDataSetChanged(); sendActionsChangedBroadcast(getContext(), currentEnterActions); } }); RecyclerView recyclerViewTimerActions = (RecyclerView) rootView .findViewById(R.id.recyclerview_list_of_actions); recyclerViewTimerActions.setAdapter(actionRecyclerViewAdapter); StaggeredGridLayoutManager layoutManager = new StaggeredGridLayoutManager(1, StaggeredGridLayoutManager.VERTICAL); recyclerViewTimerActions.setLayoutManager(layoutManager); Bundle args = getArguments(); if (args != null && args.containsKey(ConfigureGeofenceDialog.GEOFENCE_ID_KEY)) { long geofenceId = args.getLong(ConfigureGeofenceDialog.GEOFENCE_ID_KEY); initializeData(geofenceId); } sendActionsChangedBroadcast(getContext(), currentEnterActions); return rootView; } private void initializeData(long geofenceId) { try { currentEnterActions.clear(); currentEnterActions .addAll(DatabaseHandler.getGeofence(geofenceId).getActions(Geofence.EventType.ENTER)); } catch (Exception e) { StatusMessageHandler.showErrorMessage(getActivity(), e); } } @Override public void onStart() { super.onStart(); IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(LocalBroadcastConstants.INTENT_GEOFENCE_ENTER_ACTION_ADDED); LocalBroadcastManager.getInstance(getActivity()).registerReceiver(broadcastReceiver, intentFilter); } @Override public void onStop() { LocalBroadcastManager.getInstance(getActivity()).unregisterReceiver(broadcastReceiver); super.onStop(); } }