Java tutorial
/* Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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.hqas.ridetracker; import android.app.Fragment; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.res.Resources; import android.graphics.Typeface; import android.location.Criteria; import android.location.Location; import android.location.LocationManager; import android.os.Bundle; import android.support.v4.content.LocalBroadcastManager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.TextView; import com.getpebble.android.kit.PebbleKit; import com.google.android.gms.maps.CameraUpdateFactory; import com.google.android.gms.maps.GoogleMap; import com.google.android.gms.maps.MapFragment; import com.google.android.gms.maps.model.CameraPosition; import com.google.android.gms.maps.model.LatLng; import android.view.View.OnClickListener; /** * Created by joneby on 11/14/2013. */ public class RideTrackerFragment extends Fragment { private Resources res; private GoogleMap map; private LocationManager locMan; private TextView pebbleStatus; private TrackerService tService; private LocalBroadcastManager broadcastManager; private Button startStop; private Button clear; private boolean initialLaunch; public RideTrackerFragment() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); tService = ((MainActivity) getActivity()).getTrackerService(); initialLaunch = true; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_main, container, false); if (res == null) { res = getActivity().getResources(); } pebbleStatus = (TextView) rootView.findViewById(R.id.pebble_connection_status); Typeface iconFont = Typeface.createFromAsset(res.getAssets(), "fonts/Android-Dev-Icons-1.ttf"); pebbleStatus.setTypeface(iconFont); MapFragment mapFrag = (MapFragment) getFragmentManager().findFragmentById(R.id.map_container); map = mapFrag.getMap(); if (map != null) { map.setMyLocationEnabled(true); map.getUiSettings().setZoomControlsEnabled(false); map.getUiSettings().setZoomGesturesEnabled(false); } startStop = (Button) rootView.findViewById(R.id.startStopButton); startStop.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (tService.getStarted()) { stopTracker(); } else { startTracker(); } } }); clear = (Button) rootView.findViewById(R.id.clearButton); clear.setEnabled(false); clear.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { tService.resetPebbleData(getActivity().getApplicationContext()); } }); rootView.findViewById(R.id.shareButton).setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { } }); return rootView; } @Override public void onResume() { super.onResume(); locMan = (LocationManager) getActivity().getSystemService(Context.LOCATION_SERVICE); Criteria crit = new Criteria(); crit.setAccuracy(Criteria.ACCURACY_FINE); locMan.requestLocationUpdates(0L, 0.0f, crit, tService, null); map.setLocationSource(tService); broadcastManager = LocalBroadcastManager.getInstance(getActivity()); broadcastManager.registerReceiver(mapUpdateReceiver, new IntentFilter(TrackerService.ACTION_MAP_UPDATE_LOCATION)); broadcastManager.registerReceiver(startStopReceiver, new IntentFilter(TrackerService.ACTION_START_STOP_RECEIVED)); broadcastManager.registerReceiver(pebbleConnectedReceiver, new IntentFilter(TrackerService.ACTION_PEBBLE_CONNECTED)); broadcastManager.registerReceiver(pebbleConnectedReceiver, new IntentFilter(TrackerService.ACTION_PEBBLE_DISCONNECTED)); broadcastManager.registerReceiver(resetReceiver, new IntentFilter(TrackerService.ACTION_RESET_RECEIVED)); if (PebbleKit.isWatchConnected(getActivity())) { PebbleKit.startAppOnPebble(getActivity(), MainActivity.PEBBLE_APP_UUID); pebbleConnected(); } else { pebbleStatus.setText(res.getString(R.string.pebble_status_disconnected)); pebbleDisconnected(); } } @Override public void onPause() { map.setLocationSource(null); broadcastManager.unregisterReceiver(mapUpdateReceiver); broadcastManager.unregisterReceiver(startStopReceiver); broadcastManager.unregisterReceiver(resetReceiver); broadcastManager.unregisterReceiver(pebbleConnectedReceiver); super.onPause(); } public void pebbleConnected() { pebbleStatus.setText(res.getString(R.string.pebble_status_connected)); pebbleStatus.setTextColor(res.getColor(android.R.color.holo_green_light)); } public void pebbleDisconnected() { pebbleStatus.setText(res.getString(R.string.pebble_status_disconnected)); pebbleStatus.setTextColor(res.getColor(android.R.color.holo_red_light)); } private BroadcastReceiver mapUpdateReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { Location loc = intent.getParcelableExtra(TrackerService.KEY_LOCATION); float zoom = 15.0f; if (loc != null) { initialLaunch = false; CameraPosition myPosition = new CameraPosition.Builder() .target(new LatLng(loc.getLatitude(), loc.getLongitude())).zoom(zoom).build(); map.animateCamera(CameraUpdateFactory.newCameraPosition(myPosition)); } } }; private BroadcastReceiver startStopReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { boolean start = intent.getBooleanExtra(TrackerService.KEY_START_STOP, false); if ((start) && (startStop != null)) { startTracker(); } else if ((!start) && (startStop != null)) { stopTracker(); } } }; private BroadcastReceiver pebbleConnectedReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { if (isAdded()) { boolean connected = intent.getBooleanExtra(TrackerService.KEY_PEBBLE_STATUS, false); if (connected) { pebbleConnected(); } else { pebbleDisconnected(); } } } }; private BroadcastReceiver resetReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { //TODO: Clear the tracked map } }; private void stopTracker() { tService.setStopped(getActivity().getApplicationContext()); startStop.setText(res.getString(R.string.start)); clear.setEnabled(true); } private void startTracker() { tService.setStarted(getActivity().getApplicationContext()); startStop.setText(res.getString(R.string.stop)); clear.setEnabled(false); } @Override public void onDestroy() { locMan.removeUpdates(tService); locMan = null; super.onDestroy(); } }