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MainScreenFragment.java
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MainScreenFragment.java
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package it.reyboz.bustorino.fragments;
import android.Manifest;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.location.Criteria;
import android.location.Location;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import androidx.activity.result.ActivityResultCallback;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.widget.AppCompatImageButton;
import androidx.coordinatorlayout.widget.CoordinatorLayout;
import androidx.core.app.ActivityCompat;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
import android.os.Handler;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import java.util.List;
import java.util.Map;
import it.reyboz.bustorino.R;
import it.reyboz.bustorino.backend.*;
import it.reyboz.bustorino.middleware.AppLocationManager;
import it.reyboz.bustorino.middleware.AsyncArrivalsSearcher;
import it.reyboz.bustorino.middleware.AsyncStopsSearcher;
import it.reyboz.bustorino.middleware.BarcodeScanContract;
import it.reyboz.bustorino.middleware.BarcodeScanOptions;
import it.reyboz.bustorino.middleware.BarcodeScanUtils;
import it.reyboz.bustorino.util.LocationCriteria;
import it.reyboz.bustorino.util.Permissions;
import static it.reyboz.bustorino.backend.utils.getBusStopIDFromUri;
import static it.reyboz.bustorino.util.Permissions.LOCATION_PERMISSIONS;
import static it.reyboz.bustorino.util.Permissions.LOCATION_PERMISSION_GIVEN;
/**
* A simple {@link Fragment} subclass.
* Use the {@link MainScreenFragment#newInstance} factory method to
* create an instance of this fragment.
*/
public class MainScreenFragment extends ScreenBaseFragment implements FragmentListenerMain{
private static final String OPTION_SHOW_LEGEND = "show_legend";
private static final String SAVED_FRAGMENT="saved_fragment";
private static final String DEBUG_TAG = "BusTO - MainFragment";
public static final String PENDING_STOP_SEARCH="PendingStopSearch";
public final static String FRAGMENT_TAG = "MainScreenFragment";
/// UI ELEMENTS //
private ImageButton addToFavorites;
private FragmentHelper fragmentHelper;
private SwipeRefreshLayout swipeRefreshLayout;
private EditText busStopSearchByIDEditText;
private EditText busStopSearchByNameEditText;
private ProgressBar progressBar;
private TextView howDoesItWorkTextView;
private Button hideHintButton;
private MenuItem actionHelpMenuItem;
private FloatingActionButton floatingActionButton;
private boolean setupOnResume = true;
private boolean suppressArrivalsReload = false;
private boolean instanceStateSaved = false;
//private Snackbar snackbar;
/*
* Search mode
*/
private static final int SEARCH_BY_NAME = 0;
private static final int SEARCH_BY_ID = 1;
private static final int SEARCH_BY_ROUTE = 2; // TODO: implement this -- https://gitpull.it/T12
private int searchMode;
//private ImageButton addToFavorites;
//// HIDDEN BUT IMPORTANT ELEMENTS ////
FragmentManager fragMan;
Handler mainHandler;
private final Runnable refreshStop = new Runnable() {
public void run() {
if(getContext() == null) return;
List<ArrivalsFetcher> fetcherList = utils.getDefaultArrivalsFetchers(getContext());
ArrivalsFetcher[] arrivalsFetchers = new ArrivalsFetcher[fetcherList.size()];
arrivalsFetchers = fetcherList.toArray(arrivalsFetchers);
if (fragMan.findFragmentById(R.id.resultFrame) instanceof ArrivalsFragment) {
ArrivalsFragment fragment = (ArrivalsFragment) fragMan.findFragmentById(R.id.resultFrame);
if (fragment == null){
//we create a new fragment, which is WRONG
Log.e("BusTO-RefreshStop", "Asking for refresh when there is no fragment");
// AsyncDataDownload(fragmentHelper, arrivalsFetchers,getContext()).execute();
} else{
String stopName = fragment.getStopID();
new AsyncArrivalsSearcher(fragmentHelper, fragment.getCurrentFetchersAsArray(), getContext()).execute(stopName);
}
} else //we create a new fragment, which is WRONG
new AsyncArrivalsSearcher(fragmentHelper, arrivalsFetchers, getContext()).execute();
}
};
//
private final ActivityResultLauncher<BarcodeScanOptions> barcodeLauncher = registerForActivityResult(new BarcodeScanContract(),
result -> {
if(result!=null && result.getContents()!=null) {
//Toast.makeText(MyActivity.this, "Cancelled", Toast.LENGTH_LONG).show();
Uri uri;
try {
uri = Uri.parse(result.getContents()); // this apparently prevents NullPointerException. Somehow.
} catch (NullPointerException e) {
if (getContext()!=null)
Toast.makeText(getContext().getApplicationContext(),
R.string.no_qrcode, Toast.LENGTH_SHORT).show();
return;
}
String busStopID = getBusStopIDFromUri(uri);
busStopSearchByIDEditText.setText(busStopID);
requestArrivalsForStopID(busStopID);
} else {
//Toast.makeText(MyActivity.this, "Scanned: " + result.getContents(), Toast.LENGTH_LONG).show();
if (getContext()!=null)
Toast.makeText(getContext().getApplicationContext(),
R.string.no_qrcode, Toast.LENGTH_SHORT).show();
}
});
/// LOCATION STUFF ///
boolean pendingNearbyStopsRequest = false;
boolean locationPermissionGranted, locationPermissionAsked = false;
AppLocationManager locationManager;
private final LocationCriteria cr = new LocationCriteria(2000, 10000);
//Location
private AppLocationManager.LocationRequester requester = new AppLocationManager.LocationRequester() {
@Override
public void onLocationChanged(Location loc) {
}
@Override
public void onLocationStatusChanged(int status) {
if(status == AppLocationManager.LOCATION_GPS_AVAILABLE && !isNearbyFragmentShown()){
//request Stops
pendingNearbyStopsRequest = false;
if (getContext()!= null)
mainHandler.post(new NearbyStopsRequester(getContext(), cr));
}
}
@Override
public long getLastUpdateTimeMillis() {
return 50;
}
@Override
public LocationCriteria getLocationCriteria() {
return cr;
}
@Override
public void onLocationProviderAvailable() {
//Log.w(DEBUG_TAG, "pendingNearbyStopRequest: "+pendingNearbyStopsRequest);
if(!isNearbyFragmentShown() && getContext()!=null){
pendingNearbyStopsRequest = false;
mainHandler.post(new NearbyStopsRequester(getContext(), cr));
}
}
@Override
public void onLocationDisabled() {
}
};
private final ActivityResultLauncher<String[]> requestPermissionLauncher =
registerForActivityResult(new ActivityResultContracts.RequestMultiplePermissions(), new ActivityResultCallback<Map<String, Boolean>>() {
@Override
public void onActivityResult(Map<String, Boolean> result) {
if(result==null || result.get(Manifest.permission.ACCESS_COARSE_LOCATION) == null
||result.get(Manifest.permission.ACCESS_FINE_LOCATION) ) return;
if(result.get(Manifest.permission.ACCESS_COARSE_LOCATION) == null ||
result.get(Manifest.permission.ACCESS_FINE_LOCATION) == null)
return;
if(result.get(Manifest.permission.ACCESS_COARSE_LOCATION) && result.get(Manifest.permission.ACCESS_FINE_LOCATION)){
locationPermissionGranted = true;
Log.w(DEBUG_TAG, "Starting position");
if (mListener!= null && getContext()!=null){
if (locationManager==null)
locationManager = AppLocationManager.getInstance(getContext());
locationManager.addLocationRequestFor(requester);
}
}
}
});
//// ACTIVITY ATTACHED (LISTENER ///
private CommonFragmentListener mListener;
private String pendingStopID = null;
private CoordinatorLayout coordLayout;
public MainScreenFragment() {
// Required empty public constructor
}
public static MainScreenFragment newInstance() {
MainScreenFragment fragment = new MainScreenFragment();
Bundle args = new Bundle();
//args.putString(ARG_PARAM1, param1);
//args.putString(ARG_PARAM2, param2);
fragment.setArguments(args);
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments() != null) {
//do nothing
Log.d(DEBUG_TAG, "ARGS ARE NOT NULL: "+getArguments());
if (getArguments().getString(PENDING_STOP_SEARCH)!=null)
pendingStopID = getArguments().getString(PENDING_STOP_SEARCH);
}
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View root = inflater.inflate(R.layout.fragment_main_screen, container, false);
addToFavorites = root.findViewById(R.id.addToFavorites);
busStopSearchByIDEditText = root.findViewById(R.id.busStopSearchByIDEditText);
busStopSearchByNameEditText = root.findViewById(R.id.busStopSearchByNameEditText);
progressBar = root.findViewById(R.id.progressBar);
howDoesItWorkTextView = root.findViewById(R.id.howDoesItWorkTextView);
hideHintButton = root.findViewById(R.id.hideHintButton);
swipeRefreshLayout = root.findViewById(R.id.listRefreshLayout);
floatingActionButton = root.findViewById(R.id.floatingActionButton);
busStopSearchByIDEditText.setSelectAllOnFocus(true);
busStopSearchByIDEditText
.setOnEditorActionListener((v, actionId, event) -> {
// IME_ACTION_SEARCH alphabetical option
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
onSearchClick(v);
return true;
}
return false;
});
busStopSearchByNameEditText
.setOnEditorActionListener((v, actionId, event) -> {
// IME_ACTION_SEARCH alphabetical option
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
onSearchClick(v);
return true;
}
return false;
});
swipeRefreshLayout
.setOnRefreshListener(() -> mainHandler.post(refreshStop));
swipeRefreshLayout.setColorSchemeResources(R.color.blue_500, R.color.orange_500);
coordLayout = root.findViewById(R.id.coord_layout);
floatingActionButton.setOnClickListener((this::onToggleKeyboardLayout));
hideHintButton.setOnClickListener(this::onHideHint);
AppCompatImageButton qrButton = root.findViewById(R.id.QRButton);
qrButton.setOnClickListener(this::onQRButtonClick);
AppCompatImageButton searchButton = root.findViewById(R.id.searchButton);
searchButton.setOnClickListener(this::onSearchClick);
// Fragment stuff
fragMan = getChildFragmentManager();
fragMan.addOnBackStackChangedListener(() -> Log.d("BusTO Main Fragment", "BACK STACK CHANGED"));
fragmentHelper = new FragmentHelper(this, getChildFragmentManager(), getContext(), R.id.resultFrame);
setSearchModeBusStopID();
cr.setAccuracy(Criteria.ACCURACY_FINE);
cr.setAltitudeRequired(false);
cr.setBearingRequired(false);
cr.setCostAllowed(true);
cr.setPowerRequirement(Criteria.NO_REQUIREMENT);
locationManager = AppLocationManager.getInstance(getContext());
Log.d(DEBUG_TAG, "OnCreateView, savedInstanceState null: "+(savedInstanceState==null));
return root;
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
Log.d(DEBUG_TAG, "onViewCreated, SwipeRefreshLayout visible: "+(swipeRefreshLayout.getVisibility()==View.VISIBLE));
Log.d(DEBUG_TAG, "Setup on attached: "+ setupOnResume);
//Restore instance state
if (savedInstanceState!=null){
Fragment fragment = getChildFragmentManager().getFragment(savedInstanceState, SAVED_FRAGMENT);
if (fragment!=null){
getChildFragmentManager().beginTransaction().add(R.id.resultFrame, fragment).commit();
setupOnResume = false;
}
}
if (getChildFragmentManager().findFragmentById(R.id.resultFrame)!= null){
swipeRefreshLayout.setVisibility(View.VISIBLE);
}
instanceStateSaved = false;
}
@Override
public void onSaveInstanceState(@NonNull Bundle outState) {
super.onSaveInstanceState(outState);
Fragment fragment = getChildFragmentManager().findFragmentById(R.id.resultFrame);
if (fragment!=null)
getChildFragmentManager().putFragment(outState, SAVED_FRAGMENT, fragment);
fragmentHelper.setBlockAllActivities(true);
instanceStateSaved = true;
}
public void setSuppressArrivalsReload(boolean value){
suppressArrivalsReload = value;
// we have to suppress the reloading of the (possible) ArrivalsFragment
/*if(value) {
Fragment fragment = getChildFragmentManager().findFragmentById(R.id.resultFrame);
if (fragment instanceof ArrivalsFragment) {
ArrivalsFragment frag = (ArrivalsFragment) fragment;
frag.setReloadOnResume(false);
}
}
*/
}
/**
* Cancel the reload of the arrival times
* because we are going to pop the fragment
*/
public void cancelReloadArrivalsIfNeeded(){
if(getContext()==null) return; //we are not attached
//Fragment fr = getChildFragmentManager().findFragmentById(R.id.resultFrame);
fragmentHelper.stopLastRequestIfNeeded(true);
toggleSpinner(false);
}
@Override
public void onAttach(@NonNull Context context) {
super.onAttach(context);
Log.d(DEBUG_TAG, "OnAttach called, setupOnAttach: "+ setupOnResume);
mainHandler = new Handler();
if (context instanceof CommonFragmentListener) {
mListener = (CommonFragmentListener) context;
} else {
throw new RuntimeException(context
+ " must implement CommonFragmentListener");
}
}
@Override
public void onDetach() {
super.onDetach();
mListener = null;
// setupOnAttached = true;
}
@Override
public void onResume() {
final Context con = getContext();
Log.w(DEBUG_TAG, "OnResume called");
if (con != null) {
if(locationManager==null)
locationManager = AppLocationManager.getInstance(con);
if(Permissions.locationPermissionGranted(con)){
Log.d(DEBUG_TAG, "Location permission OK");
if(!locationManager.isRequesterRegistered(requester))
locationManager.addLocationRequestFor(requester);
} else if(shouldShowRequestPermissionRationale(Manifest.permission.ACCESS_FINE_LOCATION)){
//we have already asked for the location, and we should show an explanation in order
// to ask again (TODO)
//do nothing
} else{
//request permission
requestPermissionLauncher.launch(Permissions.LOCATION_PERMISSIONS);
}
}
else {
Log.w(DEBUG_TAG, "Context is null at onResume");
}
super.onResume();
// if we have a pending stopID request, do it
Log.d(DEBUG_TAG, "Pending stop ID for arrivals: "+pendingStopID);
//this is the second time we are attaching this fragment
Log.d(DEBUG_TAG, "Waiting for new stop request: "+ suppressArrivalsReload);
if (suppressArrivalsReload){
// we have to suppress the reloading of the (possible) ArrivalsFragment
Fragment fragment = getChildFragmentManager().findFragmentById(R.id.resultFrame);
if (fragment instanceof ArrivalsFragment){
ArrivalsFragment frag = (ArrivalsFragment) fragment;
frag.setReloadOnResume(false);
}
suppressArrivalsReload = false;
}
if (setupOnResume) {
if (pendingStopID==null)
//We want the nearby bus stops!
mainHandler.post(new NearbyStopsRequester(getContext(), cr));
else{
///TODO: if there is a stop displayed, we need to hold the update
}
setupOnResume = false;
}
if(pendingStopID!=null){
Log.d(DEBUG_TAG, "Re-requesting arrivals for pending stop "+pendingStopID);
requestArrivalsForStopID(pendingStopID);
pendingStopID = null;
}
mListener.readyGUIfor(FragmentKind.MAIN_SCREEN_FRAGMENT);
fragmentHelper.setBlockAllActivities(false);
}
@Override
public void onPause() {
//mainHandler = null;
locationManager.removeLocationRequestFor(requester);
super.onPause();
fragmentHelper.setBlockAllActivities(true);
fragmentHelper.stopLastRequestIfNeeded(true);
}
/*
GUI METHODS
*/
/**
* QR scan button clicked
*
* @param v View QRButton clicked
*/
public void onQRButtonClick(View v) {
BarcodeScanOptions scanOptions = new BarcodeScanOptions();
Intent intent = scanOptions.createScanIntent();
if(!BarcodeScanUtils.checkTargetPackageExists(getContext(), intent)){
BarcodeScanUtils.showDownloadDialog(null, this);
}else {
barcodeLauncher.launch(scanOptions);
}
}
public void onHideHint(View v) {
hideHints();
setOption(OPTION_SHOW_LEGEND, false);
}
/**
* OK this is pure shit
*
* @param v View clicked
*/
public void onSearchClick(View v) {
final StopsFinderByName[] stopsFinderByNames = new StopsFinderByName[]{new GTTStopsFetcher(), new FiveTStopsFetcher()};
if (searchMode == SEARCH_BY_ID) {
String busStopID = busStopSearchByIDEditText.getText().toString();
fragmentHelper.stopLastRequestIfNeeded(true);
requestArrivalsForStopID(busStopID);
} else { // searchMode == SEARCH_BY_NAME
String query = busStopSearchByNameEditText.getText().toString();
query = query.trim();
if(getContext()!=null) {
if (query.length() < 1) {
Toast.makeText(getContext(), R.string.insert_bus_stop_name_error, Toast.LENGTH_SHORT).show();
} else if(query.length()< 2){
Toast.makeText(getContext(), R.string.query_too_short, Toast.LENGTH_SHORT).show();
}
else {
fragmentHelper.stopLastRequestIfNeeded(true);
new AsyncStopsSearcher(fragmentHelper, stopsFinderByNames).execute(query);
}
}
}
}
public void onToggleKeyboardLayout(View v) {
if (searchMode == SEARCH_BY_NAME) {
setSearchModeBusStopID();
if (busStopSearchByIDEditText.requestFocus()) {
showKeyboard();
}
} else { // searchMode == SEARCH_BY_ID
setSearchModeBusStopName();
if (busStopSearchByNameEditText.requestFocus()) {
showKeyboard();
}
}
}
@Override
public void enableRefreshLayout(boolean yes) {
swipeRefreshLayout.setEnabled(yes);
}
////////////////////////////////////// GUI HELPERS /////////////////////////////////////////////
public void showKeyboard() {
if(getActivity() == null) return;
InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
View view = searchMode == SEARCH_BY_ID ? busStopSearchByIDEditText : busStopSearchByNameEditText;
imm.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT);
}
private void setSearchModeBusStopID() {
searchMode = SEARCH_BY_ID;
busStopSearchByNameEditText.setVisibility(View.GONE);
busStopSearchByNameEditText.setText("");
busStopSearchByIDEditText.setVisibility(View.VISIBLE);
floatingActionButton.setImageResource(R.drawable.alphabetical);
}
private void setSearchModeBusStopName() {
searchMode = SEARCH_BY_NAME;
busStopSearchByIDEditText.setVisibility(View.GONE);
busStopSearchByIDEditText.setText("");
busStopSearchByNameEditText.setVisibility(View.VISIBLE);
floatingActionButton.setImageResource(R.drawable.numeric);
}
protected boolean isNearbyFragmentShown(){
Fragment fragment = getChildFragmentManager().findFragmentByTag(NearbyStopsFragment.FRAGMENT_TAG);
return (fragment!= null && fragment.isVisible());
}
/**
* Having that cursor at the left of the edit text makes me cancer.
*
* @param busStopID bus stop ID
*/
private void setBusStopSearchByIDEditText(String busStopID) {
busStopSearchByIDEditText.setText(busStopID);
busStopSearchByIDEditText.setSelection(busStopID.length());
}
private void showHints() {
howDoesItWorkTextView.setVisibility(View.VISIBLE);
hideHintButton.setVisibility(View.VISIBLE);
//actionHelpMenuItem.setVisible(false);
}
private void hideHints() {
howDoesItWorkTextView.setVisibility(View.GONE);
hideHintButton.setVisibility(View.GONE);
//actionHelpMenuItem.setVisible(true);
}
@Nullable
@org.jetbrains.annotations.Nullable
@Override
public View getBaseViewForSnackBar() {
return coordLayout;
}
@Override
public void toggleSpinner(boolean enable) {
if (enable) {
//already set by the RefreshListener when needed
//swipeRefreshLayout.setRefreshing(true);
progressBar.setVisibility(View.VISIBLE);
} else {
swipeRefreshLayout.setRefreshing(false);
progressBar.setVisibility(View.GONE);
}
}
private void prepareGUIForBusLines() {
swipeRefreshLayout.setEnabled(true);
swipeRefreshLayout.setVisibility(View.VISIBLE);
//actionHelpMenuItem.setVisible(true);
}
private void prepareGUIForBusStops() {
swipeRefreshLayout.setEnabled(false);
swipeRefreshLayout.setVisibility(View.VISIBLE);
//actionHelpMenuItem.setVisible(false);
}
void showNearbyStopsFragment(){
swipeRefreshLayout.setVisibility(View.VISIBLE);
final Fragment existingFrag = fragMan.findFragmentById(R.id.resultFrame);
NearbyStopsFragment fragment;
if (!(existingFrag instanceof NearbyStopsFragment)){
//there is no fragment showing
fragment = NearbyStopsFragment.newInstance(NearbyStopsFragment.TYPE_STOPS);
FragmentTransaction ft = fragMan.beginTransaction();
ft.replace(R.id.resultFrame, fragment, NearbyStopsFragment.FRAGMENT_TAG);
if (getActivity()!=null && !getActivity().isFinishing() &&!instanceStateSaved)
ft.commit();
else Log.e(DEBUG_TAG, "Not showing nearby fragment because we saved instanceState");
}
}
@Override
public void showFloatingActionButton(boolean yes) {
mListener.showFloatingActionButton(yes);
}
/**
* This provides a temporary fix to make the transition
* to a single asynctask go smoother
*
* @param fragmentType the type of fragment created
*/
@Override
public void readyGUIfor(FragmentKind fragmentType) {
hideKeyboard();
//if we are getting results, already, stop waiting for nearbyStops
if (pendingNearbyStopsRequest && (fragmentType == FragmentKind.ARRIVALS || fragmentType == FragmentKind.STOPS)) {
locationManager.removeLocationRequestFor(requester);
pendingNearbyStopsRequest = false;
}
if (fragmentType == null) Log.e("ActivityMain", "Problem with fragmentType");
else
switch (fragmentType) {
case ARRIVALS:
prepareGUIForBusLines();
if (getOption(OPTION_SHOW_LEGEND, true)) {
showHints();
}
break;
case STOPS:
prepareGUIForBusStops();
break;
default:
Log.d(DEBUG_TAG, "Fragment type is unknown");
return;
}
// Shows hints
}
@Override
public void showMapCenteredOnStop(Stop stop) {
if(mListener!=null) mListener.showMapCenteredOnStop(stop);
}
/**
* Main method for stops requests
* @param ID the Stop ID
*/
@Override
public void requestArrivalsForStopID(String ID) {
if (!isResumed()){
//defer request
pendingStopID = ID;
Log.d(DEBUG_TAG, "Deferring update for stop "+ID+ " saved: "+pendingStopID);
return;
}
final boolean delayedRequest = !(pendingStopID==null);
final FragmentManager framan = getChildFragmentManager();
if (getContext()==null){
Log.e(DEBUG_TAG, "Asked for arrivals with null context");
return;
}
ArrivalsFetcher[] fetchers = utils.getDefaultArrivalsFetchers(getContext()).toArray(new ArrivalsFetcher[0]);
if (ID == null || ID.length() <= 0) {
// we're still in UI thread, no need to mess with Progress
showToastMessage(R.string.insert_bus_stop_number_error, true);
toggleSpinner(false);
} else if (framan.findFragmentById(R.id.resultFrame) instanceof ArrivalsFragment) {
ArrivalsFragment fragment = (ArrivalsFragment) framan.findFragmentById(R.id.resultFrame);
if (fragment != null && fragment.getStopID() != null && fragment.getStopID().equals(ID)){
// Run with previous fetchers
//fragment.getCurrentFetchers().toArray()
new AsyncArrivalsSearcher(fragmentHelper,fragment.getCurrentFetchersAsArray(), getContext()).execute(ID);
} else{
new AsyncArrivalsSearcher(fragmentHelper, fetchers, getContext()).execute(ID);
}
}
else {
new AsyncArrivalsSearcher(fragmentHelper,fetchers, getContext()).execute(ID);
Log.d(DEBUG_TAG, "Started search for arrivals of stop " + ID);
}
}
/////////// LOCATION METHODS //////////
/*
private void startStopRequest(String provider) {
Log.d(DEBUG_TAG, "Provider " + provider + " got enabled");
if (locmgr != null && mainHandler != null && pendingNearbyStopsRequest && locmgr.getProvider(provider).meetsCriteria(cr)) {
}
}
*/
/**
* Run location requests separately and asynchronously
*/
class NearbyStopsRequester implements Runnable {
Context appContext;
Criteria cr;
public NearbyStopsRequester(Context appContext, Criteria criteria) {
this.appContext = appContext.getApplicationContext();
this.cr = criteria;
}
@Override
public void run() {
if(isNearbyFragmentShown()) {
//nothing to do
Log.w(DEBUG_TAG, "launched nearby fragment request but we already are showing");
return;
}
final boolean isOldVersion = Build.VERSION.SDK_INT < Build.VERSION_CODES.M;
final boolean noPermission = ActivityCompat.checkSelfPermission(appContext, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
ActivityCompat.checkSelfPermission(appContext, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED;
//if we don't have the permission, we have to ask for it, if we haven't
// asked too many times before
if (noPermission) {
if (!isOldVersion) {
pendingNearbyStopsRequest = true;
//Permissions.assertLocationPermissions(appContext,getActivity());
requestPermissionLauncher.launch(LOCATION_PERMISSIONS);
Log.w(DEBUG_TAG, "Cannot get position: Asking permission, noPositionFromSys: " + noPermission);
return;
} else {
Toast.makeText(appContext, "Asked for permission position too many times", Toast.LENGTH_LONG).show();
}
} else setOption(LOCATION_PERMISSION_GIVEN, true);
AppLocationManager appLocationManager = AppLocationManager.getInstance(appContext);
final boolean haveProviders = appLocationManager.anyLocationProviderMatchesCriteria(cr);
if (haveProviders
&& fragmentHelper.getLastSuccessfullySearchedBusStop() == null
&& !fragMan.isDestroyed()) {
//Go ahead with the request
Log.d("mainActivity", "Recreating stop fragment");
showNearbyStopsFragment();
pendingNearbyStopsRequest = false;
} else if(!haveProviders){
Log.e(DEBUG_TAG, "NO PROVIDERS FOR POSITION");
}
}
}
}

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text/x-java
Expires
Sun, Feb 15, 02:11 (1 d, 22 h)
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blob
Storage Format
Raw Data
Storage Handle
1623307
Default Alt Text
MainScreenFragment.java (30 KB)

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