Java tutorial
/* * Copyright (c) 2015, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * 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 org.wso2.carbon.iot.android.sense; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.SharedPreferences; import android.hardware.Sensor; import android.hardware.SensorManager; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.NavigationView; import android.support.design.widget.Snackbar; import android.support.v4.view.GravityCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.ListView; import org.wso2.carbon.iot.android.sense.constants.AvailableSensors; import org.wso2.carbon.iot.android.sense.constants.SenseConstants; import org.wso2.carbon.iot.android.sense.events.input.Sensor.RealTimeSensorReader; import org.wso2.carbon.iot.android.sense.register.RegisterActivity; import org.wso2.carbon.iot.android.sense.register.SenseDeEnroll; import org.wso2.carbon.iot.android.sense.scheduler.DataUploaderReceiver; import org.wso2.carbon.iot.android.sense.scheduler.RealTimeSensorChangeReceiver; import org.wso2.carbon.iot.android.sense.service.SenseScheduleReceiver; import org.wso2.carbon.iot.android.sense.util.LocalRegister; import org.wso2.carbon.iot.android.sense.util.SensorViewAdaptor; import org.wso2.carbon.iot.android.sense.util.TempStore; import java.util.ArrayList; import java.util.HashSet; import java.util.Set; import agent.sense.android.iot.carbon.wso2.org.wso2_senseagent.R; /** * Activity for selecting sensors available in the device */ public class ActivitySelectSensor extends AppCompatActivity implements NavigationView.OnNavigationItemSelectedListener, SelectSensorDialog.SensorListListener { SharedPreferences sharedPreferences; SelectSensorDialog sensorDialog = new SelectSensorDialog(); Set<String> selectedSensorSet = new HashSet<>(); FloatingActionButton fbtnPublishData; FloatingActionButton fbtnAddSensors; ListView listView; SensorManager sensorManager; ArrayList<Sensor> sensors = new ArrayList<>(); boolean check; RealTimeSensorReader sensorReader = null; RealTimeSensorChangeReceiver realTimeSensorChangeReceiver = new RealTimeSensorChangeReceiver(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_activity_select_sensor); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); sensorManager = (SensorManager) getSystemService(Context.SENSOR_SERVICE); listView = (ListView) findViewById(R.id.senseListContainer); registerReceiver(realTimeSensorChangeReceiver, new IntentFilter("sensorDataMap")); //Publish data fbtnPublishData = (FloatingActionButton) findViewById(R.id.publish); fbtnPublishData.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Snackbar.make(view, "Publishing data started", Snackbar.LENGTH_LONG).setAction("Action", null) .show(); check = true; DataUploaderReceiver dataUploaderReceiver = new DataUploaderReceiver(); dataUploaderReceiver.clearAbortBroadcast(); dataUploaderReceiver.onReceive(getApplicationContext(), null); } }); fbtnAddSensors = (FloatingActionButton) findViewById(R.id.addSensors); fbtnAddSensors.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { sensorDialog.show(getFragmentManager(), "Sensor List"); } }); sharedPreferences = getSharedPreferences(SenseConstants.SELECTED_SENSORS, 0); DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close); drawer.setDrawerListener(toggle); toggle.syncState(); NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view); navigationView.setNavigationItemSelectedListener(this); } @Override public void onBackPressed() { DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); if (drawer.isDrawerOpen(GravityCompat.START)) { drawer.closeDrawer(GravityCompat.START); } else { super.onBackPressed(); } } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_select_sensor, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { /** * unregister the sensors and broadcast receivers. * */ unregisterSensors(); unregisterReceivers(); if (!LocalRegister.isExist(getApplicationContext())) { Intent activity = new Intent(getApplicationContext(), RegisterActivity.class); startActivity(activity); } LocalRegister.removeUsername(getApplicationContext()); LocalRegister.removeDeviceId(getApplicationContext()); LocalRegister.removeServerURL(getApplicationContext()); LocalRegister.setExist(false); Intent activity = new Intent(getApplicationContext(), RegisterActivity.class); startActivity(activity); return true; } return super.onOptionsItemSelected(item); } @SuppressWarnings("StatementWithEmptyBody") @Override public boolean onNavigationItemSelected(MenuItem item) { // Handle navigation view item clicks here. int id = item.getItemId(); if (id == R.id.select) { sensorDialog.show(getFragmentManager(), "Sensor List"); } DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout); drawer.closeDrawer(GravityCompat.START); return true; } @Override public void onDialogPositiveClick(SelectSensorDialog dialog) { Log.d("Selected sensors", dialog.getSet().toString()); selectedSensorSet = dialog.getSet(); update(); unregisterSensors(); SenseScheduleReceiver senseScheduleReceiver = new SenseScheduleReceiver(); senseScheduleReceiver.clearAbortBroadcast(); senseScheduleReceiver.onReceive(this, null); /** * Get the selected sensors * Register them * */ SensorViewAdaptor adaptor1 = new SensorViewAdaptor(getApplicationContext(), TempStore.realTimeSensors); adaptor1.notifyDataSetChanged(); sensorReader = new RealTimeSensorReader(this, adaptor1); getSensors(); for (Sensor s : sensors) { sensorManager.registerListener(sensorReader, s, SensorManager.SENSOR_DELAY_NORMAL); } realTimeSensorChangeReceiver.updateOnChange(adaptor1); listView.setAdapter(adaptor1); } public boolean update() { try { Log.d("Update", "Set the values to Shared Preferences"); TempStore.realTimeSensors.clear(); TempStore.sensorDataMap.clear(); SharedPreferences.Editor editor = sharedPreferences.edit(); editor.putStringSet(SenseConstants.SELECTED_SENSORS_BY_USER, selectedSensorSet); editor.apply(); } catch (Exception e) { e.printStackTrace(); return false; } return true; } public void getSensors() { sensors.clear(); for (String sensor : selectedSensorSet.toArray(new String[selectedSensorSet.size()])) { sensors.add(sensorManager.getDefaultSensor(AvailableSensors.getType(sensor.toLowerCase()))); } } /** * This method will unregister all the registered sensors. * */ public void unregisterSensors() { if (sensors.size() > 0) { for (Sensor s : sensors) { System.out.println(s.getName() + " Unregistered!"); sensorManager.unregisterListener(sensorReader, s); } } } /** * This method unregisters the real-time broadcast receiver. * */ public void unregisterReceivers() { unregisterReceiver(realTimeSensorChangeReceiver); } }