D53.1765104665.diff
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	diff --git a/res/drawable/ic_baseline_settings_24.xml b/res/drawable/ic_baseline_settings_24.xml
	new file mode 100644
	--- /dev/null
	+++ b/res/drawable/ic_baseline_settings_24.xml
	@@ -0,0 +1,5 @@
	+<vector android:height="24dp" android:tint="#FFFFFF"
	+ android:viewportHeight="24" android:viewportWidth="24"
	+ android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
	+ <path android:fillColor="@android:color/white" android:pathData="M19.14,12.94c0.04,-0.3 0.06,-0.61 0.06,-0.94c0,-0.32 -0.02,-0.64 -0.07,-0.94l2.03,-1.58c0.18,-0.14 0.23,-0.41 0.12,-0.61l-1.92,-3.32c-0.12,-0.22 -0.37,-0.29 -0.59,-0.22l-2.39,0.96c-0.5,-0.38 -1.03,-0.7 -1.62,-0.94L14.4,2.81c-0.04,-0.24 -0.24,-0.41 -0.48,-0.41h-3.84c-0.24,0 -0.43,0.17 -0.47,0.41L9.25,5.35C8.66,5.59 8.12,5.92 7.63,6.29L5.24,5.33c-0.22,-0.08 -0.47,0 -0.59,0.22L2.74,8.87C2.62,9.08 2.66,9.34 2.86,9.48l2.03,1.58C4.84,11.36 4.8,11.69 4.8,12s0.02,0.64 0.07,0.94l-2.03,1.58c-0.18,0.14 -0.23,0.41 -0.12,0.61l1.92,3.32c0.12,0.22 0.37,0.29 0.59,0.22l2.39,-0.96c0.5,0.38 1.03,0.7 1.62,0.94l0.36,2.54c0.05,0.24 0.24,0.41 0.48,0.41h3.84c0.24,0 0.44,-0.17 0.47,-0.41l0.36,-2.54c0.59,-0.24 1.13,-0.56 1.62,-0.94l2.39,0.96c0.22,0.08 0.47,0 0.59,-0.22l1.92,-3.32c0.12,-0.22 0.07,-0.47 -0.12,-0.61L19.14,12.94zM12,15.6c-1.98,0 -3.6,-1.62 -3.6,-3.6s1.62,-3.6 3.6,-3.6s3.6,1.62 3.6,3.6S13.98,15.6 12,15.6z"/>
	+</vector>
	diff --git a/res/layout/activity_about.xml b/res/layout/activity_about.xml
	--- a/res/layout/activity_about.xml
	+++ b/res/layout/activity_about.xml
	@@ -2,15 +2,21 @@
	xmlns:tools="http://schemas.android.com/tools"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	- android:paddingLeft="@dimen/activity_horizontal_margin"
	- android:paddingRight="@dimen/activity_horizontal_margin"
	tools:context="it.reyboz.bustorino.ActivityAbout">
	+ <!-- The ActionBar displayed at the top -->
	+
	+ <include
	+ layout="@layout/default_toobar"
	+ android:layout_width="match_parent"
	+ android:layout_height="wrap_content" />

	<TextView
	android:id="@+id/aboutTextView"
	android:layout_width="wrap_content"
	android:layout_height="wrap_content"
	android:layout_marginTop="5dip"
	+ android:layout_marginLeft="@dimen/activity_horizontal_margin"
	+ android:layout_marginRight="@dimen/activity_horizontal_margin"
	android:textAppearance="?android:attr/textAppearanceMedium"/>

	</RelativeLayout>
	\ No newline at end of file
	diff --git a/res/layout/new_main_activity.xml b/res/layout/activity_principal.xml
	rename from res/layout/new_main_activity.xml
	rename to res/layout/activity_principal.xml
	diff --git a/res/layout/fragment_main_screen.xml b/res/layout/fragment_main_screen.xml
	--- a/res/layout/fragment_main_screen.xml
	+++ b/res/layout/fragment_main_screen.xml
	@@ -3,7 +3,9 @@
	xmlns:tools="http://schemas.android.com/tools"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	- tools:context=".fragments.MainScreenFragment">
	+ tools:context=".fragments.MainScreenFragment"
	+ android:paddingTop="10dip"
	+ >

	<ImageButton
	android:id="@+id/QRButton"
	@@ -17,7 +19,7 @@
	android:layout_marginStart="16dp"
	android:background="@drawable/qrcode_button_custom"
	android:contentDescription="@string/qrcode"
	- android:onClick="onQRButtonClick" />
	+ />

	<EditText
	android:id="@+id/busStopSearchByIDEditText"
	@@ -44,21 +46,22 @@
	<!--android:layout_alignParentLeft="true"
	android:layout_alignParentStart="true"-->
	<EditText
	- android:id="@+id/busStopSearchByNameEditText"
	- android:layout_width="wrap_content"
	- android:layout_height="wrap_content"
	- android:layout_marginEnd="5dp"
	- android:layout_marginLeft="5dip"
	- android:layout_marginRight="5dip"
	- android:layout_toEndOf="@+id/QRButton"
	- android:layout_toLeftOf="@+id/searchButton"
	- android:layout_toRightOf="@+id/QRButton"
	- android:layout_toStartOf="@+id/searchButton"
	- android:ems="10"
	- android:hint="@string/insert_bus_stop_name"
	- android:imeOptions="actionSearch"
	- android:singleLine="true"
	- android:visibility="gone">
	+ android:id="@+id/busStopSearchByNameEditText"
	+ android:layout_width="wrap_content"
	+ android:layout_height="wrap_content"
	+ android:layout_marginEnd="5dp"
	+ android:layout_marginLeft="5dip"
	+ android:layout_marginRight="5dip"
	+ android:layout_toEndOf="@+id/QRButton"
	+ android:layout_toLeftOf="@+id/searchButton"
	+ android:layout_toRightOf="@+id/QRButton"
	+ android:layout_toStartOf="@+id/searchButton"
	+
	+ android:ems="10"
	+ android:hint="@string/insert_bus_stop_name"
	+ android:imeOptions="actionSearch"
	+ android:singleLine="true"
	+ android:visibility="gone">

	<requestFocus />
	</EditText>
	@@ -75,7 +78,7 @@
	android:layout_marginRight="16dp"
	android:background="@drawable/search_button_custom"
	android:contentDescription="@string/search"
	- android:onClick="onSearchClick" />
	+ />

	<ProgressBar
	android:id="@+id/progressBar"
	@@ -121,7 +124,6 @@
	android:layout_marginEnd="16dp"
	android:layout_marginRight="16dp"
	android:background="@drawable/route_background_bus"
	- android:onClick="onHideHint"
	android:text="@string/hint_button"
	android:textColor="@color/grey_100"
	android:textSize="19sp"
	@@ -152,7 +154,6 @@
	android:layout_alignParentRight="true"
	android:layout_gravity="bottom\|end"
	android:layout_margin="16dp"
	- android:onClick="onToggleKeyboardLayout"
	android:src="@drawable/alphabetical"
	fabSize="normal"
	backgroundTint="@color/teal_500"
	diff --git a/res/menu/drawer_main.xml b/res/menu/drawer_main.xml
	--- a/res/menu/drawer_main.xml
	+++ b/res/menu/drawer_main.xml
	@@ -16,4 +16,9 @@
	android:title="@string/nav_favorites_text" />
	</group>

	+ <item android:id="@+id/drawer_action_settings"
	+ android:title="@string/action_settings"
	+ android:icon="@drawable/ic_baseline_settings_24"
	+ />
	+
	</menu>
	\ No newline at end of file
	diff --git a/res/menu/extra_menu_items.xml b/res/menu/extra_menu_items.xml
	new file mode 100644
	--- /dev/null
	+++ b/res/menu/extra_menu_items.xml
	@@ -0,0 +1,24 @@
	+<?xml version="1.0" encoding="utf-8"?>
	+<menu xmlns:android="http://schemas.android.com/apk/res/android"
	+ xmlns:app="http://schemas.android.com/apk/res-auto"
	+ >
	+ <item
	+ android:id="@+id/action_about"
	+ android:orderInCategory="4"
	+ android:title="@string/action_about_more" />
	+ <item
	+ android:id="@+id/action_hack"
	+ android:orderInCategory="6"
	+ android:title="@string/action_hack"
	+ app:showAsAction="never" />
	+ <item
	+ android:id="@+id/action_source"
	+ android:orderInCategory="7"
	+ android:title="@string/action_source"
	+ app:showAsAction="never" />
	+ <item
	+ android:id="@+id/action_licence"
	+ android:orderInCategory="8"
	+ android:title="@string/action_licence"
	+ app:showAsAction="never" />
	+</menu>
	\ No newline at end of file
	diff --git a/res/values/theme.xml b/res/values/theme.xml
	--- a/res/values/theme.xml
	+++ b/res/values/theme.xml
	@@ -7,7 +7,7 @@
	<item name="colorAccent">@color/teal_500</item>
	</style>

	- <style name="AboutTheme" parent="Theme.AppCompat.Light.DarkActionBar">
	+ <style name="AboutTheme" parent="AppTheme.NoActionBar">
	<item name="colorPrimary">@color/teal_300</item>
	<item name="colorPrimaryDark">@color/teal_500</item>
	<item name="colorAccent">@color/blue_700</item>
	diff --git a/src/it/reyboz/bustorino/ActivityAbout.java b/src/it/reyboz/bustorino/ActivityAbout.java
	--- a/src/it/reyboz/bustorino/ActivityAbout.java
	+++ b/src/it/reyboz/bustorino/ActivityAbout.java
	@@ -17,6 +17,7 @@
	*/
	package it.reyboz.bustorino;

	+import androidx.appcompat.widget.Toolbar;
	import androidx.core.app.NavUtils;
	import androidx.appcompat.app.ActionBar;
	import androidx.appcompat.app.AppCompatActivity;
	@@ -40,19 +41,18 @@
	aboutTextView.setText(htmlText);
	aboutTextView.setMovementMethod(LinkMovementMethod.getInstance());

	- // Back button
	- ActionBar ab = getSupportActionBar();
	- assert ab != null;
	- ab.setDisplayHomeAsUpEnabled(true);
	+ Toolbar mToolbar = findViewById(R.id.default_toolbar);
	+ setSupportActionBar(mToolbar);
	+ if (getSupportActionBar()!=null)
	+ getSupportActionBar().setDisplayHomeAsUpEnabled(true);
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	- switch (item.getItemId()) {
	- // Respond to the action bar's Up/Home button
	- case android.R.id.home:
	- NavUtils.navigateUpFromSameTask(this);
	- return true;
	+ // Respond to the action bar's Up/Home button
	+ if (item.getItemId() == android.R.id.home) {//NavUtils.navigateUpFromSameTask(this);
	+ onBackPressed();
	+ return true;
	}
	return super.onOptionsItemSelected(item);
	}
	diff --git a/src/it/reyboz/bustorino/ActivityMain.java b/src/it/reyboz/bustorino/ActivityMain.java
	--- a/src/it/reyboz/bustorino/ActivityMain.java
	+++ b/src/it/reyboz/bustorino/ActivityMain.java
	@@ -18,6 +18,7 @@
	package it.reyboz.bustorino;

	import android.Manifest;
	+import android.app.Activity;
	import android.content.Context;
	import android.content.Intent;
	import android.content.SharedPreferences;
	@@ -69,11 +70,14 @@
	import it.reyboz.bustorino.data.UserDB;
	import it.reyboz.bustorino.fragments.*;
	import it.reyboz.bustorino.middleware.*;
	+import it.reyboz.bustorino.util.Permissions;

	import java.util.Arrays;
	import java.util.List;
	import java.util.concurrent.TimeUnit;

	+import static it.reyboz.bustorino.backend.utils.getBusStopIDFromUri;
	+
	public class ActivityMain extends GeneralActivity implements FragmentListenerMain {

	/*
	@@ -132,15 +136,19 @@
	* @see swipeRefreshLayout
	*/
	private final Handler theHandler = new Handler();
	- private final Runnable refreshing = new Runnable() {
	+ private final Runnable refreshStop = new Runnable() {
	public void run() {
	if (framan.findFragmentById(R.id.resultFrame) instanceof ArrivalsFragment) {
	ArrivalsFragment fragment = (ArrivalsFragment) framan.findFragmentById(R.id.resultFrame);
	- String stopName = fragment.getStopID();
	+ if (fragment == null){
	+ new AsyncDataDownload(fh, arrivalsFetchers, getApplicationContext()).execute();
	+ } else{
	+ String stopName = fragment.getStopID();

	- new AsyncDataDownload(fh, fragment.getCurrentFetchersAsArray()).execute(stopName);
	+ new AsyncDataDownload(fh, fragment.getCurrentFetchersAsArray(), getApplicationContext()).execute(stopName);
	+ }
	} else //we create a new fragment, which is WRONG
	- new AsyncDataDownload(fh, arrivalsFetchers).execute();
	+ new AsyncDataDownload(fh, arrivalsFetchers, getApplicationContext()).execute();
	}
	};

	@@ -191,14 +199,14 @@

	// Called when the layout is pulled down
	swipeRefreshLayout
	- .setOnRefreshListener(() -> theHandler.post(refreshing));
	+ .setOnRefreshListener(() -> theHandler.post(refreshStop));

	/**
	* @author Marco Gagino!!!
	*/
	//swipeRefreshLayout.setColorSchemeColors(R.color.blue_500, R.color.orange_500); // setColorScheme is deprecated, setColorSchemeColors isn't
	swipeRefreshLayout.setColorSchemeResources(R.color.blue_500, R.color.orange_500);
	- fh = new FragmentHelper(this, R.id.listRefreshLayout, R.id.resultFrame);
	+ fh = new FragmentHelper(this, framan, getApplicationContext(),R.id.resultFrame);
	setSearchModeBusStopID();

	//---------------------------- START INTENT CHECK QUEUE ------------------------------------
	@@ -258,9 +266,6 @@
	requestArrivalsForStopID(busStopID);
	}
	//Try (hopefully) database update
	- //TODO: Check if service shows the notification
	- //Old code for the db update
	- //DatabaseUpdateService.startDBUpdate(getApplicationContext());


	PeriodicWorkRequest wr = new PeriodicWorkRequest.Builder(DBUpdateWorker.class, 1, TimeUnit.DAYS)
	@@ -317,7 +322,7 @@
	cr.setCostAllowed(true);
	cr.setPowerRequirement(Criteria.NO_REQUIREMENT);
	//We want the nearby bus stops!
	- theHandler.post(new NearbyStopsRequester());
	+ theHandler.post(new NearbyStopsRequester(this));
	//If there are no providers available, then, wait for them


	@@ -363,7 +368,7 @@
	fh.setBlockAllActivities(false);
	//TODO: check if current LiveData-bound observer works
	if (pendingNearbyStopsRequest)
	- theHandler.post(new NearbyStopsRequester());
	+ theHandler.post(new NearbyStopsRequester(this));
	ActionBar bar = getSupportActionBar();
	if(bar!=null) bar.show();
	else Log.w(DEBUG_TAG, "ACTION BAR IS NULL");
	@@ -466,7 +471,7 @@
	} else { // searchMode == SEARCH_BY_NAME
	String query = busStopSearchByNameEditText.getText().toString();
	//new asyncWgetBusStopSuggestions(query, stopsDB, StopsFindersByNameRecursionHelper);
	- new AsyncDataDownload(fh, stopsFinderByNames).execute(query);
	+ new AsyncDataDownload(fh, stopsFinderByNames, getApplicationContext()).execute(query);
	}
	}

	@@ -483,7 +488,7 @@
	//if we sent a request for a new NearbyStopsFragment
	if (pendingNearbyStopsRequest) {
	pendingNearbyStopsRequest = false;
	- theHandler.post(new NearbyStopsRequester());
	+ theHandler.post(new NearbyStopsRequester(this));
	}

	} else {
	@@ -532,13 +537,13 @@
	if (fragment !=null && fragment.getStopID() != null && fragment.getStopID().equals(ID)){
	// Run with previous fetchers
	//fragment.getCurrentFetchers().toArray()
	- new AsyncDataDownload(fh,fragment.getCurrentFetchersAsArray()).execute(ID);
	+ new AsyncDataDownload(fh,fragment.getCurrentFetchersAsArray(), this).execute(ID);
	} else{
	- new AsyncDataDownload(fh, arrivalsFetchers).execute(ID);
	+ new AsyncDataDownload(fh, arrivalsFetchers, this).execute(ID);
	}
	}
	else {
	- new AsyncDataDownload(fh,arrivalsFetchers).execute(ID);
	+ new AsyncDataDownload(fh, arrivalsFetchers, this).execute(ID);
	Log.d("MainActiv", "Started search for arrivals of stop " + ID);
	}
	}
	@@ -606,7 +611,7 @@
	Log.d(DEBUG_TAG, "Provider " + provider + " got enabled");
	if (locmgr != null && pendingNearbyStopsRequest && locmgr.getProvider(provider).meetsCriteria(cr)) {
	pendingNearbyStopsRequest = false;
	- theHandler.post(new NearbyStopsRequester());
	+ theHandler.post(new NearbyStopsRequester(this));
	}
	}

	@@ -639,6 +644,13 @@
	* Run location requests separately and asynchronously
	*/
	class NearbyStopsRequester implements Runnable {
	+
	+ Activity runningAct;
	+
	+ public NearbyStopsRequester(Activity runningAct) {
	+ this.runningAct = runningAct;
	+ }
	+
	@Override
	public void run() {
	final boolean canRunPosition = Build.VERSION.SDK_INT < Build.VERSION_CODES.M \|\| getOption(LOCATION_PERMISSION_GIVEN, false);
	@@ -650,7 +662,7 @@
	if (noPermission) {
	if (!canRunPosition) {
	pendingNearbyStopsRequest = true;
	- assertLocationPermissions();
	+ Permissions.assertLocationPermissions(getApplicationContext(),runningAct);
	Log.w(DEBUG_TAG, "Cannot get position: Asking permission, noPositionFromSys: " + noPermission);
	return;
	} else {
	@@ -700,26 +712,6 @@


	///////////////////////////////// OTHER STUFF //////////////////////////////////////////////////
	- /**
	- * Check if the last Bus Stop is in the favorites
	- *
	- * @return
	- */
	- public boolean isStopInFavorites(String busStopId) {
	- boolean found = false;
	-
	- // no stop no party
	- if (busStopId != null) {
	- SQLiteDatabase userDB = new UserDB(getApplicationContext()).getReadableDatabase();
	- found = UserDB.isStopInFavorites(userDB, busStopId);
	- }
	-
	- return found;
	- }
	-
	- /**
	- * Add the last Stop to favorites
	- */


	@Override
	@@ -838,55 +830,8 @@

	}

	- /**
	- * Open an URL in the default browser.
	- *
	- * @param url URL
	- */
	- public void openIceweasel(String url) {
	- Intent browserIntent1 = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
	- startActivity(browserIntent1);
	- }
	-
	- ///////////////////// INTENT HELPER ////////////////////////////////////////////////////////////
	-
	- /**
	- * Try to extract the bus stop ID from a URi
	- *
	- * @param uri The URL
	- * @return bus stop ID or null
	- */
	- public static String getBusStopIDFromUri(Uri uri) {
	- String busStopID;
	-
	- // everithing catches fire when passing null to a switch.
	- String host = uri.getHost();
	- if (host == null) {
	- Log.e("ActivityMain", "Not an URL: " + uri);
	- return null;
	- }
	-
	- switch (host) {
	- case "m.gtt.to.it":
	- // http://m.gtt.to.it/m/it/arrivi.jsp?n=1254
	- busStopID = uri.getQueryParameter("n");
	- if (busStopID == null) {
	- Log.e("ActivityMain", "Expected ?n from: " + uri);
	- }
	- break;
	- case "www.gtt.to.it":
	- case "gtt.to.it":
	- // http://www.gtt.to.it/cms/percorari/arrivi?palina=1254
	- busStopID = uri.getQueryParameter("palina");
	- if (busStopID == null) {
	- Log.e("ActivityMain", "Expected ?palina from: " + uri);
	- }
	- break;
	- default:
	- Log.e("ActivityMain", "Unexpected intent URL: " + uri);
	- busStopID = null;
	- }
	- return busStopID;
	+ private void openIceweasel(String url){
	+ utils.openIceweasel(url, this);
	}

	}
	\ No newline at end of file
	diff --git a/src/it/reyboz/bustorino/ActivityMap.java b/src/it/reyboz/bustorino/ActivityMap.java
	--- a/src/it/reyboz/bustorino/ActivityMap.java
	+++ b/src/it/reyboz/bustorino/ActivityMap.java
	@@ -87,7 +87,7 @@
	protected ImageButton btCenterMap;
	protected ImageButton btFollowMe;

	- @RequiresApi(api = Build.VERSION_CODES.HONEYCOMB)
	+ //@RequiresApi(api = Build.VERSION_CODES.HONEYCOMB)
	@Override
	public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	diff --git a/src/it/reyboz/bustorino/ActivityPrincipal.java b/src/it/reyboz/bustorino/ActivityPrincipal.java
	--- a/src/it/reyboz/bustorino/ActivityPrincipal.java
	+++ b/src/it/reyboz/bustorino/ActivityPrincipal.java
	@@ -1,33 +1,62 @@
	package it.reyboz.bustorino;

	+import android.content.Intent;
	+import android.content.SharedPreferences;
	import android.content.res.Configuration;
	-import android.content.res.Resources;
	+import android.net.Uri;
	import android.os.Bundle;
	import android.util.Log;
	+import android.view.Menu;
	import android.view.MenuItem;
	+import android.widget.Toast;

	import androidx.annotation.NonNull;
	import androidx.annotation.Nullable;
	import androidx.appcompat.app.ActionBarDrawerToggle;
	import androidx.appcompat.widget.Toolbar;
	-import androidx.core.app.NavUtils;
	import androidx.core.view.GravityCompat;
	import androidx.drawerlayout.widget.DrawerLayout;
	+import androidx.fragment.app.Fragment;
	+import androidx.fragment.app.FragmentManager;
	+import androidx.fragment.app.FragmentTransaction;
	+import androidx.work.BackoffPolicy;
	+import androidx.work.Constraints;
	+import androidx.work.ExistingPeriodicWorkPolicy;
	+import androidx.work.NetworkType;
	+import androidx.work.PeriodicWorkRequest;
	+import androidx.work.WorkInfo;
	+import androidx.work.WorkManager;

	import com.google.android.material.navigation.NavigationView;
	+import com.google.android.material.snackbar.Snackbar;

	+import java.util.concurrent.TimeUnit;
	+
	+import it.reyboz.bustorino.data.DBUpdateWorker;
	+import it.reyboz.bustorino.data.DatabaseUpdate;
	+import it.reyboz.bustorino.fragments.FragmentKind;
	+import it.reyboz.bustorino.fragments.FragmentListenerMain;
	+import it.reyboz.bustorino.fragments.MainScreenFragment;
	import it.reyboz.bustorino.middleware.GeneralActivity;

	-public class ActivityPrincipal extends GeneralActivity {
	+import static it.reyboz.bustorino.backend.utils.getBusStopIDFromUri;
	+import static it.reyboz.bustorino.backend.utils.openIceweasel;
	+
	+public class ActivityPrincipal extends GeneralActivity implements FragmentListenerMain {
	private DrawerLayout mDrawer;
	private NavigationView mNavView;
	private ActionBarDrawerToggle drawerToggle;
	private final static String DEBUG_TAG="BusTO Act Principal";

	+ private Snackbar snackbar;
	+
	+
	@Override
	protected void onCreate(@Nullable Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	- setContentView(R.layout.new_main_activity);
	+ setContentView(R.layout.activity_principal);
	+ final SharedPreferences theShPr = getMainSharedPreferences();
	+

	Toolbar mToolbar = findViewById(R.id.default_toolbar);
	setSupportActionBar(mToolbar);
	@@ -35,6 +64,8 @@
	getSupportActionBar().setDisplayHomeAsUpEnabled(true);
	else Log.w(DEBUG_TAG, "NO ACTION BAR");

	+ mToolbar.setOnMenuItemClickListener(new ToolbarItemClickListener());
	+

	mDrawer = findViewById(R.id.drawer_layout);
	drawerToggle = setupDrawerToggle(mToolbar);
	@@ -50,6 +81,101 @@
	setupDrawerContent(mNavView);


	+ /// LEGACY CODE
	+ //---------------------------- START INTENT CHECK QUEUE ------------------------------------
	+
	+ // Intercept calls from URL intent
	+ boolean tryedFromIntent = false;
	+
	+ String busStopID = null;
	+ Uri data = getIntent().getData();
	+ if (data != null) {
	+ busStopID = getBusStopIDFromUri(data);
	+ tryedFromIntent = true;
	+ }
	+
	+ // Intercept calls from other activities
	+ if (!tryedFromIntent) {
	+ Bundle b = getIntent().getExtras();
	+ if (b != null) {
	+ busStopID = b.getString("bus-stop-ID");
	+
	+ /**
	+ * I'm not very sure if you are coming from an Intent.
	+ * Some launchers work in strange ways.
	+ */
	+ tryedFromIntent = busStopID != null;
	+ }
	+ }
	+
	+ //---------------------------- END INTENT CHECK QUEUE --------------------------------------
	+
	+ if (busStopID == null) {
	+ // Show keyboard if can't start from intent
	+ // JUST DON'T
	+ // showKeyboard();
	+
	+ // You haven't obtained anything... from an intent?
	+ if (tryedFromIntent) {
	+
	+ // This shows a luser warning
	+ Toast.makeText(getApplicationContext(),
	+ R.string.insert_bus_stop_number_error, Toast.LENGTH_SHORT).show();
	+ }
	+ } else {
	+ // If you are here an intent has worked successfully
	+ //setBusStopSearchByIDEditText(busStopID);
	+
	+ requestArrivalsForStopID(busStopID);
	+ }
	+ //Try (hopefully) database update
	+
	+
	+ PeriodicWorkRequest wr = new PeriodicWorkRequest.Builder(DBUpdateWorker.class, 1, TimeUnit.DAYS)
	+ .setBackoffCriteria(BackoffPolicy.LINEAR, 30, TimeUnit.MINUTES)
	+ .setConstraints(new Constraints.Builder().setRequiredNetworkType(NetworkType.CONNECTED)
	+ .build())
	+ .build();
	+ final WorkManager workManager = WorkManager.getInstance(this);
	+
	+ final int version = theShPr.getInt(DatabaseUpdate.DB_VERSION_KEY, -10);
	+ if (version >= 0)
	+ workManager.enqueueUniquePeriodicWork(DBUpdateWorker.DEBUG_TAG,
	+ ExistingPeriodicWorkPolicy.KEEP, wr);
	+ else workManager.enqueueUniquePeriodicWork(DBUpdateWorker.DEBUG_TAG,
	+ ExistingPeriodicWorkPolicy.REPLACE, wr);
	+ /*
	+ Set database update
	+ */
	+ workManager.getWorkInfosForUniqueWorkLiveData(DBUpdateWorker.DEBUG_TAG)
	+ .observe(this, workInfoList -> {
	+ // If there are no matching work info, do nothing
	+ if (workInfoList == null \|\| workInfoList.isEmpty()) {
	+ return;
	+ }
	+ Log.d(DEBUG_TAG, "WorkerInfo: "+workInfoList);
	+
	+ boolean showProgress = false;
	+ for (WorkInfo workInfo : workInfoList) {
	+ if (workInfo.getState() == WorkInfo.State.RUNNING) {
	+ showProgress = true;
	+ }
	+ }
	+
	+ if (showProgress) {
	+ createDefaultSnackbar();
	+ } else {
	+ if(snackbar!=null) {
	+ snackbar.dismiss();
	+ snackbar = null;
	+ }
	+ }
	+
	+ });
	+ // show the main fragment
	+ showMainFragment();
	+
	+
	}
	private ActionBarDrawerToggle setupDrawerToggle(Toolbar toolbar) {
	// NOTE: Make sure you pass in a valid toolbar reference. ActionBarDrawToggle() does not require it
	@@ -60,7 +186,12 @@
	private void setupDrawerContent(NavigationView navigationView) {
	navigationView.setNavigationItemSelectedListener(
	menuItem -> {
	-
	+ if (menuItem.getItemId() == R.id.drawer_action_settings) {
	+ Log.d("MAINBusTO", "Pressed button preferences");
	+ closeDrawerIfOpen();
	+ startActivity(new Intent(ActivityPrincipal.this, ActivitySettings.class));
	+ return true;
	+ }
	//selectDrawerItem(menuItem);
	Log.d(DEBUG_TAG, "pressed item "+menuItem.toString());

	@@ -70,6 +201,11 @@

	}

	+ private void closeDrawerIfOpen(){
	+ if (mDrawer.isDrawerOpen(GravityCompat.START))
	+ mDrawer.closeDrawer(GravityCompat.START);
	+ }
	+

	// `onPostCreate` called when activity start-up is complete after `onStart()`
	// NOTE 1: Make sure to override the method with only a single `Bundle` argument
	@@ -89,20 +225,24 @@
	drawerToggle.onConfigurationChanged(newConfig);

	}
	+
	@Override
	+ public boolean onCreateOptionsMenu(Menu menu) {
	+ getMenuInflater().inflate(R.menu.extra_menu_items, menu);
	+ return super.onCreateOptionsMenu(menu);
	+ }

	+ @Override
	public boolean onOptionsItemSelected(@NonNull MenuItem item) {

	int[] cases = {R.id.nav_arrivals, R.id.nav_favorites_item};
	+ Log.d(DEBUG_TAG, "Item pressed");
	+

	switch (item.getItemId()){
	case android.R.id.home:
	mDrawer.openDrawer(GravityCompat.START);
	return true;
	-
	- case R.id.nav_arrivals:
	- //do something
	- break;
	default:

	}
	@@ -118,9 +258,116 @@

	@Override
	public void onBackPressed() {
	+ boolean foundFragment = false;
	+ Fragment shownFrag = getSupportFragmentManager().findFragmentById(R.id.mainActContentFrame);
	if (mDrawer.isDrawerOpen(GravityCompat.START))
	mDrawer.closeDrawer(GravityCompat.START);
	+ else if(shownFrag != null && shownFrag.isVisible() && shownFrag.getChildFragmentManager().getBackStackEntryCount() > 0){
	+ shownFrag.getChildFragmentManager().popBackStack();
	+ }
	+ else if (getSupportFragmentManager().getBackStackEntryCount() > 0) {
	+ getSupportFragmentManager().popBackStack();
	+ }
	else
	super.onBackPressed();
	}
	+
	+ private void createDefaultSnackbar() {
	+ if (snackbar == null) {
	+ snackbar = Snackbar.make(findViewById(R.id.searchButton), R.string.database_update_message, Snackbar.LENGTH_INDEFINITE);
	+ }
	+ snackbar.show();
	+ }
	+
	+ private MainScreenFragment showMainFragment(){
	+ FragmentManager fraMan = getSupportFragmentManager();
	+
	+ MainScreenFragment fragment = MainScreenFragment.newInstance();
	+
	+ FragmentTransaction transaction = fraMan.beginTransaction();
	+ transaction.replace(R.id.mainActContentFrame, fragment, MainScreenFragment.FRAGMENT_TAG);
	+ transaction.commit();
	+ return fragment;
	+ }
	+ @Nullable
	+ private MainScreenFragment getMainFragmentIfVisible(){
	+ FragmentManager fraMan = getSupportFragmentManager();
	+ Fragment fragment = fraMan.findFragmentByTag(MainScreenFragment.FRAGMENT_TAG);
	+ if (fragment!= null && fragment.isVisible()) return (MainScreenFragment) fragment;
	+ else return null;
	+ }
	+
	+ @Override
	+ public void showFloatingActionButton(boolean yes) {
	+ //TODO
	+ }
	+
	+ @Override
	+ public void readyGUIfor(FragmentKind fragmentType) {
	+ MainScreenFragment probableFragment = getMainFragmentIfVisible();
	+ if (probableFragment!=null){
	+ probableFragment.readyGUIfor(fragmentType);
	+ }
	+ }
	+
	+ @Override
	+ public void requestArrivalsForStopID(String ID) {
	+ FragmentManager fraMan = getSupportFragmentManager();
	+ Fragment fragment = fraMan.findFragmentByTag(MainScreenFragment.FRAGMENT_TAG);
	+ MainScreenFragment mainScreenFragment = null;
	+ if (fragment==null \| !(fragment instanceof MainScreenFragment)){
	+ mainScreenFragment = showMainFragment();
	+ }
	+ else if(!fragment.isVisible()){
	+
	+ fraMan.beginTransaction().replace(R.id.mainActContentFrame, fragment)
	+ .addToBackStack(null)
	+ .commit();
	+ mainScreenFragment = (MainScreenFragment) fragment;
	+ Log.d(DEBUG_TAG, "Found the main fragment");
	+ } else{
	+ mainScreenFragment = (MainScreenFragment) fragment;
	+ }
	+
	+ mainScreenFragment.requestArrivalsForStopID(ID);
	+ }
	+
	+ @Override
	+ public void toggleSpinner(boolean state) {
	+ MainScreenFragment probableFragment = getMainFragmentIfVisible();
	+ if (probableFragment!=null){
	+ probableFragment.toggleSpinner(state);
	+ }
	+ }
	+
	+ @Override
	+ public void enableRefreshLayout(boolean yes) {
	+ MainScreenFragment probableFragment = getMainFragmentIfVisible();
	+ if (probableFragment!=null){
	+ probableFragment.enableRefreshLayout(yes);
	+ }
	+ }
	+
	+ class ToolbarItemClickListener implements Toolbar.OnMenuItemClickListener{
	+
	+ @Override
	+ public boolean onMenuItemClick(MenuItem item) {
	+ switch (item.getItemId()) {
	+ case R.id.action_about:
	+ startActivity(new Intent(ActivityPrincipal.this, ActivityAbout.class));
	+ return true;
	+ case R.id.action_hack:
	+ openIceweasel(getString(R.string.hack_url), getApplicationContext());
	+ return true;
	+ case R.id.action_source:
	+ openIceweasel("https://gitpull.it/source/libre-busto/", getApplicationContext());
	+ return true;
	+ case R.id.action_licence:
	+ openIceweasel("https://www.gnu.org/licenses/gpl-3.0.html", getApplicationContext());
	+ return true;
	+ default:
	+ }
	+ return false;
	+ }
	+ }
	}
	diff --git a/src/it/reyboz/bustorino/backend/FiveTAPIFetcher.java b/src/it/reyboz/bustorino/backend/FiveTAPIFetcher.java
	--- a/src/it/reyboz/bustorino/backend/FiveTAPIFetcher.java
	+++ b/src/it/reyboz/bustorino/backend/FiveTAPIFetcher.java
	@@ -59,6 +59,7 @@
	}
	} catch (JSONException ex){
	res.set(result.PARSER_ERROR);
	+ Log.w(DEBUG_NAME, "Couldn't get the JSON repr of:\n"+response);
	return null;
	}
	res.set(result.OK);
	diff --git a/src/it/reyboz/bustorino/backend/Palina.java b/src/it/reyboz/bustorino/backend/Palina.java
	--- a/src/it/reyboz/bustorino/backend/Palina.java
	+++ b/src/it/reyboz/bustorino/backend/Palina.java
	@@ -20,6 +20,8 @@

	import android.util.Log;

	+import androidx.annotation.NonNull;
	+
	import java.util.ArrayList;
	import java.util.Calendar;
	import java.util.Collections;
	@@ -173,11 +175,14 @@
	if(mSource == Passaggio.Source.UNDETERMINED)
	break;
	}
	+ // if the Source is still null, set undetermined
	+ if (mSource == null) mSource = Passaggio.Source.UNDETERMINED;
	//finished with the check, setting flags
	routesModified = false;
	allSource = mSource;
	}

	+ @NonNull
	public Passaggio.Source getPassaggiSourceIfAny(){
	if(allSource==null \|\| routesModified){
	checkPassaggi();
	diff --git a/src/it/reyboz/bustorino/backend/utils.java b/src/it/reyboz/bustorino/backend/utils.java
	--- a/src/it/reyboz/bustorino/backend/utils.java
	+++ b/src/it/reyboz/bustorino/backend/utils.java
	@@ -1,6 +1,11 @@
	package it.reyboz.bustorino.backend;

	import android.content.Context;
	+import android.content.Intent;
	+import android.net.ConnectivityManager;
	+import android.net.NetworkInfo;
	+import android.net.Uri;
	+import android.util.Log;
	import android.view.View;

	public abstract class utils {
	@@ -28,4 +33,67 @@
	float ncols = ((float)width)/pixelsize;
	return (int) Math.floor(ncols);
	}
	+
	+ /**
	+ * Check if there is an internet connection
	+ * @param con context object to get the system service
	+ * @return true if we are
	+ */
	+ public static boolean isConnected(Context con) {
	+ ConnectivityManager connMgr = (ConnectivityManager) con.getSystemService(Context.CONNECTIVITY_SERVICE);
	+ NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
	+ return networkInfo != null && networkInfo.isConnected();
	+ }
	+
	+
	+ ///////////////////// INTENT HELPER ////////////////////////////////////////////////////////////
	+
	+ /**
	+ * Try to extract the bus stop ID from a URi
	+ *
	+ * @param uri The URL
	+ * @return bus stop ID or null
	+ */
	+ public static String getBusStopIDFromUri(Uri uri) {
	+ String busStopID;
	+
	+ // everithing catches fire when passing null to a switch.
	+ String host = uri.getHost();
	+ if (host == null) {
	+ Log.e("ActivityMain", "Not an URL: " + uri);
	+ return null;
	+ }
	+
	+ switch (host) {
	+ case "m.gtt.to.it":
	+ // http://m.gtt.to.it/m/it/arrivi.jsp?n=1254
	+ busStopID = uri.getQueryParameter("n");
	+ if (busStopID == null) {
	+ Log.e("ActivityMain", "Expected ?n from: " + uri);
	+ }
	+ break;
	+ case "www.gtt.to.it":
	+ case "gtt.to.it":
	+ // http://www.gtt.to.it/cms/percorari/arrivi?palina=1254
	+ busStopID = uri.getQueryParameter("palina");
	+ if (busStopID == null) {
	+ Log.e("ActivityMain", "Expected ?palina from: " + uri);
	+ }
	+ break;
	+ default:
	+ Log.e("ActivityMain", "Unexpected intent URL: " + uri);
	+ busStopID = null;
	+ }
	+ return busStopID;
	+ }
	+
	+ /**
	+ * Open an URL in the default browser.
	+ *
	+ * @param url URL
	+ */
	+ public static void openIceweasel(String url, Context context) {
	+ Intent browserIntent1 = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
	+ context.startActivity(browserIntent1);
	+ }
	}
	diff --git a/src/it/reyboz/bustorino/fragments/ArrivalsFragment.java b/src/it/reyboz/bustorino/fragments/ArrivalsFragment.java
	--- a/src/it/reyboz/bustorino/fragments/ArrivalsFragment.java
	+++ b/src/it/reyboz/bustorino/fragments/ArrivalsFragment.java
	@@ -276,7 +276,10 @@
	*/
	protected void showArrivalsSources(Palina p){
	final Passaggio.Source source = p.getPassaggiSourceIfAny();
	-
	+ if (source == null){
	+ Log.e(DEBUG_TAG, "NULL SOURCE");
	+ return;
	+ }
	String source_txt;
	switch (source){
	case GTTJSON:
	diff --git a/src/it/reyboz/bustorino/fragments/CommonFragmentListener.java b/src/it/reyboz/bustorino/fragments/CommonFragmentListener.java
	--- a/src/it/reyboz/bustorino/fragments/CommonFragmentListener.java
	+++ b/src/it/reyboz/bustorino/fragments/CommonFragmentListener.java
	@@ -21,4 +21,9 @@
	* @param ID the Stop ID
	*/
	void requestArrivalsForStopID(String ID);
	+
	+ /**
	+ * Method to call when we want to hide the keyboard
	+ */
	+ void hideKeyboard();
	}
	diff --git a/src/it/reyboz/bustorino/fragments/FragmentHelper.java b/src/it/reyboz/bustorino/fragments/FragmentHelper.java
	--- a/src/it/reyboz/bustorino/fragments/FragmentHelper.java
	+++ b/src/it/reyboz/bustorino/fragments/FragmentHelper.java
	@@ -18,18 +18,18 @@
	package it.reyboz.bustorino.fragments;


	-import android.content.ContentResolver;
	-import android.content.ContentValues;
	-import android.database.sqlite.SQLiteException;
	+import android.content.Context;
	import androidx.fragment.app.Fragment;
	import androidx.fragment.app.FragmentManager;
	import androidx.fragment.app.FragmentTransaction;
	-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
	import android.util.Log;
	+import android.widget.Toast;
	+
	import it.reyboz.bustorino.R;
	import it.reyboz.bustorino.backend.Fetcher;
	import it.reyboz.bustorino.backend.Palina;
	import it.reyboz.bustorino.backend.Stop;
	+import it.reyboz.bustorino.backend.utils;
	import it.reyboz.bustorino.data.NextGenDB;
	import it.reyboz.bustorino.middleware.*;

	@@ -40,28 +40,30 @@
	* Helper class to manage the fragments and their needs
	*/
	public class FragmentHelper {
	- GeneralActivity act;
	+ //GeneralActivity act;
	+ private final FragmentListenerMain listenerMain;
	+ private final WeakReference<FragmentManager> managerWeakRef;
	private Stop lastSuccessfullySearchedBusStop;
	//support for multiple frames
	private final int secondaryFrameLayout;
	- private final int swipeRefID;
	private final int primaryFrameLayout;
	+ private final Context context;
	public static final int NO_FRAME = -3;
	+ private static final String DEBUG_TAG = "BusTO FragmHelper";
	private WeakReference<AsyncDataDownload> lastTaskRef;
	- private NextGenDB newDBHelper;
	private boolean shouldHaltAllActivities=false;


	- public FragmentHelper(GeneralActivity act, int swipeRefID, int mainFrame) {
	- this(act,swipeRefID,mainFrame,NO_FRAME);
	+ public FragmentHelper(FragmentListenerMain listener, FragmentManager framan, Context context, int mainFrame) {
	+ this(listener,framan, context,mainFrame,NO_FRAME);
	}

	- public FragmentHelper(GeneralActivity act, int swipeRefID, int primaryFrameLayout, int secondaryFrameLayout) {
	- this.act = act;
	- this.swipeRefID = swipeRefID;
	+ public FragmentHelper(FragmentListenerMain listener, FragmentManager fraMan, Context context, int primaryFrameLayout, int secondaryFrameLayout) {
	+ this.listenerMain = listener;
	+ this.managerWeakRef = new WeakReference<>(fraMan);
	this.primaryFrameLayout = primaryFrameLayout;
	this.secondaryFrameLayout = secondaryFrameLayout;
	- newDBHelper = new NextGenDB(act.getApplicationContext());
	+ this.context = context.getApplicationContext();
	}

	/**
	@@ -89,19 +91,23 @@
	boolean sameFragment;
	ArrivalsFragment arrivalsFragment;

	- if(act==null \|\| shouldHaltAllActivities) {
	+ if(managerWeakRef.get()==null \|\| shouldHaltAllActivities) {
	//SOMETHING WENT VERY WRONG
	+ Log.e(DEBUG_TAG, "We are asked for a new stop but we can't show anything");
	return;
	}

	- FragmentManager fm = act.getSupportFragmentManager();
	+ FragmentManager fm = managerWeakRef.get();

	if(fm.findFragmentById(primaryFrameLayout) instanceof ArrivalsFragment) {
	arrivalsFragment = (ArrivalsFragment) fm.findFragmentById(primaryFrameLayout);
	+ //Log.d(DEBUG_TAG, "Arrivals are for fragment with same stop?");
	sameFragment = arrivalsFragment.isFragmentForTheSameStop(p);
	- } else
	+ } else {
	sameFragment = false;
	+ Log.d(DEBUG_TAG, "We aren't showing an ArrivalsFragment");

	+ }
	setLastSuccessfullySearchedBusStop(p);

	if(!sameFragment) {
	@@ -122,7 +128,7 @@
	// DO NOT CALL `setListAdapter` ever on arrivals fragment
	arrivalsFragment.updateFragmentData(p);

	- act.hideKeyboard();
	+ listenerMain.hideKeyboard();
	toggleSpinner(false);
	}

	@@ -132,9 +138,14 @@
	* @param query String queried
	*/
	public void createFragmentFor(List<Stop> resultList,String query){
	- act.hideKeyboard();
	+ listenerMain.hideKeyboard();
	StopListFragment listfragment = StopListFragment.newInstance(query);
	- attachFragmentToContainer(act.getSupportFragmentManager(),listfragment,false,"search_"+query);
	+ if(managerWeakRef.get()==null \|\| shouldHaltAllActivities) {
	+ //SOMETHING WENT VERY WRONG
	+ Log.e(DEBUG_TAG, "We are asked for a new stop but we can't show anything");
	+ return;
	+ }
	+ attachFragmentToContainer(managerWeakRef.get(),listfragment,false,"search_"+query);
	listfragment.setStopList(resultList);
	toggleSpinner(false);

	@@ -145,12 +156,7 @@
	* @param on new status of spinner system
	*/
	public void toggleSpinner(boolean on){
	- if (act instanceof FragmentListenerMain)
	- ((FragmentListenerMain) act).toggleSpinner(on);
	- else {
	- SwipeRefreshLayout srl = (SwipeRefreshLayout) act.findViewById(swipeRefID);
	- srl.setRefreshing(false);
	- }
	+ listenerMain.toggleSpinner(on);
	}

	/**
	@@ -171,21 +177,6 @@
	//fm.executePendingTransactions();
	}

	- synchronized public int insertBatchDataInNextGenDB(ContentValues[] valuesArr,String tableName){
	- if(newDBHelper !=null)
	- try {
	- return newDBHelper.insertBatchContent(valuesArr, tableName);
	- } catch (SQLiteException exc){
	- Log.w("DB Batch inserting: ","ERROR Inserting the data batch: ",exc.fillInStackTrace());
	- return -2;
	- }
	- else return -1;
	- }
	-
	- synchronized public ContentResolver getContentResolver(){
	- return act.getContentResolver();
	- }
	-
	public void setBlockAllActivities(boolean shouldI) {
	this.shouldHaltAllActivities = shouldI;
	}
	@@ -208,13 +199,13 @@
	case OK:
	break;
	case CLIENT_OFFLINE:
	- act.showToastMessage(R.string.network_error, true);
	+ showToastMessage(R.string.network_error, true);
	break;
	case SERVER_ERROR:
	- if (act.isConnected()) {
	- act.showToastMessage(R.string.parsing_error, true);
	+ if (utils.isConnected(context)) {
	+ showToastMessage(R.string.parsing_error, true);
	} else {
	- act.showToastMessage(R.string.network_error, true);
	+ showToastMessage(R.string.network_error, true);
	}
	case PARSER_ERROR:
	default:
	@@ -229,9 +220,13 @@
	}
	}

	- public void showShortToast(int message){
	- if (act!=null)
	- act.showToastMessage(message,true);
	+ public void showToastMessage(int messageID, boolean short_lenght) {
	+ final int length = short_lenght ? Toast.LENGTH_SHORT : Toast.LENGTH_LONG;
	+ if (context != null)
	+ Toast.makeText(context, messageID, length).show();
	+ }
	+ private void showShortToast(int messageID){
	+ showToastMessage(messageID, true);
	}

	}
	diff --git a/src/it/reyboz/bustorino/fragments/MainScreenFragment.java b/src/it/reyboz/bustorino/fragments/MainScreenFragment.java
	--- a/src/it/reyboz/bustorino/fragments/MainScreenFragment.java
	+++ b/src/it/reyboz/bustorino/fragments/MainScreenFragment.java
	@@ -1,25 +1,43 @@
	package it.reyboz.bustorino.fragments;

	+import android.Manifest;
	import android.content.Context;
	+import android.content.pm.PackageManager;
	+import android.location.Criteria;
	+import android.location.Location;
	+import android.location.LocationListener;
	+import android.location.LocationManager;
	+import android.location.LocationProvider;
	+import android.os.Build;
	import android.os.Bundle;
	+
	+import androidx.annotation.NonNull;
	+import androidx.appcompat.widget.AppCompatImageButton;
	+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 com.google.zxing.integration.android.IntentIntegrator;
	+
	+import it.reyboz.bustorino.ActivityMain;
	import it.reyboz.bustorino.R;
	import it.reyboz.bustorino.backend.ArrivalsFetcher;
	import it.reyboz.bustorino.backend.FiveTAPIFetcher;
	@@ -31,6 +49,10 @@
	import it.reyboz.bustorino.backend.StopsFinderByName;
	import it.reyboz.bustorino.data.UserDB;
	import it.reyboz.bustorino.middleware.AsyncDataDownload;
	+import it.reyboz.bustorino.util.Permissions;
	+
	+import static android.content.Context.LOCATION_SERVICE;
	+import static it.reyboz.bustorino.util.Permissions.LOCATION_PERMISSION_GIVEN;


	/**
	@@ -45,7 +67,8 @@

	private static final String DEBUG_TAG = "BusTO - MainFragment";

	- private CommonFragmentListener mListener;
	+ public final static String FRAGMENT_TAG = "MainScreenFragment";
	+
	/// UI ELEMENTS //
	private ImageButton addToFavorites;
	private FragmentHelper fragmentHelper;
	@@ -57,6 +80,8 @@
	private Button hideHintButton;
	private MenuItem actionHelpMenuItem;
	private FloatingActionButton floatingActionButton;
	+
	+ private boolean setupOnAttached = true;
	//private Snackbar snackbar;
	/*
	* Search mode
	@@ -67,8 +92,38 @@
	private int searchMode;
	//private ImageButton addToFavorites;
	private final ArrivalsFetcher[] arrivalsFetchers = new ArrivalsFetcher[]{new FiveTAPIFetcher(), new GTTJSONFetcher(), new FiveTScraperFetcher()};
	+ //// HIDDEN BUT IMPORTANT ELEMENTS ////
	+ FragmentManager fragMan;
	+ Handler mainHandler;
	+ private final Runnable refreshStop = new Runnable() {
	+ public void run() {
	+ 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
	+ new AsyncDataDownload(fragmentHelper, arrivalsFetchers,getContext()).execute();
	+ } else{
	+ String stopName = fragment.getStopID();
	+
	+ new AsyncDataDownload(fragmentHelper, fragment.getCurrentFetchersAsArray(), getContext()).execute(stopName);
	+ }
	+ } else //we create a new fragment, which is WRONG
	+ new AsyncDataDownload(fragmentHelper, arrivalsFetchers, getContext()).execute();
	+ }
	+ };
	+
	+


	+ /// LOCATION STUFF ///
	+ boolean pendingNearbyStopsRequest = false;
	+ LocationManager locmgr;
	+
	+ private final Criteria cr = new Criteria();
	+
	+ //// ACTIVITY ATTACHED (LISTENER ///
	+ private CommonFragmentListener mListener;
	+
	public MainScreenFragment() {
	// Required empty public constructor
	}
	@@ -104,11 +159,100 @@
	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);
	+
	+ 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);
	+
	+ locmgr = (LocationManager) getContext().getSystemService(LOCATION_SERVICE);
	return root;
	}
	+ @Override
	+ public void onAttach(@NonNull Context context) {
	+ super.onAttach(context);
	+ mainHandler = new Handler();
	+ if (context instanceof CommonFragmentListener) {
	+ mListener = (CommonFragmentListener) context;
	+ } else {
	+ throw new RuntimeException(context.toString()
	+ + " must implement CommonFragmentListener");
	+ }
	+ if (setupOnAttached){
	+ //We want the nearby bus stops!
	+ mainHandler.post(new NearbyStopsRequester(getContext(),cr, locListener));
	+ //If there are no providers available, then, wait for them
	+
	+ setupOnAttached = false;
	+ }
	+
	+ }
	+ @Override
	+ public void onDetach() {
	+ super.onDetach();
	+ mListener = null;
	+ }


	+ @Override
	+ public void onResume() {
	+
	+ final Context con = getContext();
	+ if (con != null)
	+ locmgr = (LocationManager) getContext().getSystemService(LOCATION_SERVICE);
	+ else {
	+ Log.w(DEBUG_TAG, "Context is null at onResume");
	+ }
	+ super.onResume();
	+ }

	+ @Override
	+ public void onPause() {
	+ //mainHandler = null;
	+ locmgr = null;
	+ super.onPause();
	+ }
	/*
	GUI METHODS
	*/
	@@ -139,7 +283,7 @@
	} else { // searchMode == SEARCH_BY_NAME
	String query = busStopSearchByNameEditText.getText().toString();
	//new asyncWgetBusStopSuggestions(query, stopsDB, StopsFindersByNameRecursionHelper);
	- new AsyncDataDownload(fragmentHelper, stopsFinderByNames).execute(query);
	+ new AsyncDataDownload(fragmentHelper, stopsFinderByNames, getContext()).execute(query);
	}
	}

	@@ -201,16 +345,15 @@
	private void showHints() {
	howDoesItWorkTextView.setVisibility(View.VISIBLE);
	hideHintButton.setVisibility(View.VISIBLE);
	- actionHelpMenuItem.setVisible(false);
	+ //actionHelpMenuItem.setVisible(false);
	}

	private void hideHints() {
	howDoesItWorkTextView.setVisibility(View.GONE);
	hideHintButton.setVisibility(View.GONE);
	- actionHelpMenuItem.setVisible(true);
	+ //actionHelpMenuItem.setVisible(true);
	}

	- //TODO: toggle spinner from mainActivity
	@Override
	public void toggleSpinner(boolean enable) {
	if (enable) {
	@@ -227,13 +370,13 @@
	private void prepareGUIForBusLines() {
	swipeRefreshLayout.setEnabled(true);
	swipeRefreshLayout.setVisibility(View.VISIBLE);
	- actionHelpMenuItem.setVisible(true);
	+ //actionHelpMenuItem.setVisible(true);
	}

	private void prepareGUIForBusStops() {
	swipeRefreshLayout.setEnabled(false);
	swipeRefreshLayout.setVisibility(View.VISIBLE);
	- actionHelpMenuItem.setVisible(false);
	+ //actionHelpMenuItem.setVisible(false);
	}


	@@ -250,10 +393,9 @@
	*/
	@Override
	public void readyGUIfor(FragmentKind fragmentType) {
	- throw new UnsupportedOperationException();
	- /*
	+
	hideKeyboard();
	- //TODO: fix this
	+
	//if we are getting results, already, stop waiting for nearbyStops
	if (pendingNearbyStopsRequest && (fragmentType == FragmentKind.ARRIVALS \|\| fragmentType == FragmentKind.STOPS)) {
	locmgr.removeUpdates(locListener);
	@@ -277,7 +419,7 @@
	return;
	}
	// Shows hints
	- */
	+

	}

	@@ -293,16 +435,112 @@
	if (fragment != null && fragment.getStopID() != null && fragment.getStopID().equals(ID)){
	// Run with previous fetchers
	//fragment.getCurrentFetchers().toArray()
	- new AsyncDataDownload(fragmentHelper,fragment.getCurrentFetchersAsArray()).execute(ID);
	+ new AsyncDataDownload(fragmentHelper,fragment.getCurrentFetchersAsArray(), getContext()).execute(ID);
	} else{
	- new AsyncDataDownload(fragmentHelper, arrivalsFetchers).execute(ID);
	+ new AsyncDataDownload(fragmentHelper, arrivalsFetchers, getContext()).execute(ID);
	}
	}
	else {
	- new AsyncDataDownload(fragmentHelper,arrivalsFetchers).execute(ID);
	+ new AsyncDataDownload(fragmentHelper,arrivalsFetchers, getContext()).execute(ID);
	Log.d("MainActiv", "Started search for arrivals of stop " + ID);
	}
	}
	+ /////////// LOCATION METHODS //////////
	+ final LocationListener locListener = new LocationListener() {
	+ @Override
	+ public void onLocationChanged(Location location) {
	+ Log.d(DEBUG_TAG, "Location changed");
	+ }
	+
	+ @Override
	+ public void onStatusChanged(String provider, int status, Bundle extras) {
	+ Log.d(DEBUG_TAG, "Location provider status: " + status);
	+ if (status == LocationProvider.AVAILABLE) {
	+ resolveStopRequest(provider);
	+ }
	+ }
	+
	+ @Override
	+ public void onProviderEnabled(String provider) {
	+ resolveStopRequest(provider);
	+ }
	+
	+ @Override
	+ public void onProviderDisabled(String provider) {

	+ }
	+ };
	+
	+ private void resolveStopRequest(String provider) {
	+ Log.d(DEBUG_TAG, "Provider " + provider + " got enabled");
	+ if (locmgr != null && mainHandler != null && pendingNearbyStopsRequest && locmgr.getProvider(provider).meetsCriteria(cr)) {
	+ pendingNearbyStopsRequest = false;
	+ mainHandler.post(new NearbyStopsRequester(getContext(), cr, locListener));
	+ }
	+ }
	+
	+ /**
	+ * Run location requests separately and asynchronously
	+ */
	+ class NearbyStopsRequester implements Runnable {
	+ Context appContext;
	+ Criteria cr;
	+ LocationListener listener;
	+
	+ public NearbyStopsRequester(Context appContext, Criteria criteria, LocationListener listener) {
	+ this.appContext = appContext.getApplicationContext();
	+ this.cr = criteria;
	+ this.listener = listener;
	+ }
	+
	+ @Override
	+ public void run() {
	+ final boolean canRunPosition = Build.VERSION.SDK_INT < Build.VERSION_CODES.M \|\| getOption(LOCATION_PERMISSION_GIVEN, false);
	+ 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 (!canRunPosition) {
	+ pendingNearbyStopsRequest = true;
	+ Permissions.assertLocationPermissions(appContext,getActivity());
	+ 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);
	+
	+ LocationManager locManager = (LocationManager) appContext.getSystemService(LOCATION_SERVICE);
	+ if (locManager == null) {
	+ Log.e(DEBUG_TAG, "location manager is nihil, cannot create NearbyStopsFragment");
	+ return;
	+ }
	+ if (Permissions.anyLocationProviderMatchesCriteria(locManager, cr, true)
	+ && fragmentHelper.getLastSuccessfullySearchedBusStop() == null
	+ && !fragMan.isDestroyed()) {
	+ //Go ahead with the request
	+ Log.d("mainActivity", "Recreating stop fragment");
	+ swipeRefreshLayout.setVisibility(View.VISIBLE);
	+ NearbyStopsFragment fragment = NearbyStopsFragment.newInstance(NearbyStopsFragment.TYPE_STOPS);
	+ Fragment oldFrag = fragMan.findFragmentById(R.id.resultFrame);
	+ FragmentTransaction ft = fragMan.beginTransaction();
	+ if (oldFrag != null)
	+ ft.remove(oldFrag);
	+ ft.add(R.id.resultFrame, fragment, "nearbyStop_correct");
	+ ft.commit();
	+ //fragMan.executePendingTransactions();
	+ pendingNearbyStopsRequest = false;
	+ } else if (!Permissions.anyLocationProviderMatchesCriteria(locManager, cr, true)) {
	+ //Wait for the providers
	+ Log.d(DEBUG_TAG, "Queuing position request");
	+ pendingNearbyStopsRequest = true;
	+
	+ locManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10, 0.1f, listener);
	+ }
	+
	+ }
	+ }

	}
	\ No newline at end of file
	diff --git a/src/it/reyboz/bustorino/fragments/NearbyStopsFragment.java b/src/it/reyboz/bustorino/fragments/NearbyStopsFragment.java
	--- a/src/it/reyboz/bustorino/fragments/NearbyStopsFragment.java
	+++ b/src/it/reyboz/bustorino/fragments/NearbyStopsFragment.java
	@@ -139,15 +139,15 @@
	Bundle savedInstanceState) {
	// Inflate the layout for this fragment
	View root = inflater.inflate(R.layout.fragment_nearby_stops, container, false);
	- gridRecyclerView = (RecyclerView) root.findViewById(R.id.stopGridRecyclerView);
	+ gridRecyclerView = root.findViewById(R.id.stopGridRecyclerView);
	gridLayoutManager = new AutoFitGridLayoutManager(getContext().getApplicationContext(), utils.convertDipToPixels(getContext(),COLUMN_WIDTH_DP));
	gridRecyclerView.setLayoutManager(gridLayoutManager);
	gridRecyclerView.setHasFixedSize(false);
	- circlingProgressBar = (ProgressBar) root.findViewById(R.id.loadingBar);
	- flatProgressBar = (ProgressBar) root.findViewById(R.id.horizontalProgressBar);
	- messageTextView = (TextView) root.findViewById(R.id.messageTextView);
	- titleTextView = (TextView) root.findViewById(R.id.titleTextView);
	- switchButton = (AppCompatButton) root.findViewById(R.id.switchButton);
	+ circlingProgressBar = root.findViewById(R.id.loadingBar);
	+ flatProgressBar = root.findViewById(R.id.horizontalProgressBar);
	+ messageTextView = root.findViewById(R.id.messageTextView);
	+ titleTextView = root.findViewById(R.id.titleTextView);
	+ switchButton = root.findViewById(R.id.switchButton);

	preferenceChangeListener = new SharedPreferences.OnSharedPreferenceChangeListener() {
	@Override
	@@ -217,6 +217,7 @@
	@Override
	public void onAttach(Context context) {
	super.onAttach(context);
	+ /// TODO: RISOLVERE PROBLEMA: il context qui e' l'Activity non il Fragment
	if (context instanceof FragmentListenerMain) {
	mListener = (FragmentListenerMain) context;
	} else {
	diff --git a/src/it/reyboz/bustorino/middleware/AppLocationManager.java b/src/it/reyboz/bustorino/middleware/AppLocationManager.java
	--- a/src/it/reyboz/bustorino/middleware/AppLocationManager.java
	+++ b/src/it/reyboz/bustorino/middleware/AppLocationManager.java
	@@ -104,6 +104,7 @@
	Log.d(DEBUG_TAG,"Added new stop requester, instance of "+req.getClass().getSimpleName());
	}
	if(requestersRef.size()>0){
	+ Log.d(DEBUG_TAG,"Requesting position updates");
	requestGPSPositionUpdates();

	}
	@@ -136,7 +137,7 @@

	@Override
	public void onLocationChanged(Location location) {
	- Log.d("GPSLocationListener","found location:\nlat: "+location.getLatitude()+" lon: "+location.getLongitude()+"\naccuracy: "+location.getAccuracy());
	+ Log.d(DEBUG_TAG,"found location:\nlat: "+location.getLatitude()+" lon: "+location.getLongitude()+"\naccuracy: "+location.getAccuracy());
	ListIterator<WeakReference<LocationRequester>> iter = requestersRef.listIterator();
	int new_min_interval = Integer.MAX_VALUE;
	while(iter.hasNext()){
	@@ -175,16 +176,19 @@
	}
	oldGPSLocStatus = status;
	}
	+ Log.d(DEBUG_TAG, "Provider: "+provider+" status: "+status);
	}

	@Override
	public void onProviderEnabled(String provider) {
	requestGPSPositionUpdates();
	+ Log.d(DEBUG_TAG, "Provider: "+provider+" enabled");
	}

	@Override
	public void onProviderDisabled(String provider) {
	locMan.removeUpdates(this);
	+ Log.d(DEBUG_TAG, "Provider: "+provider+" disabled");
	}

	/**
	diff --git a/src/it/reyboz/bustorino/middleware/AsyncDataDownload.java b/src/it/reyboz/bustorino/middleware/AsyncDataDownload.java
	--- a/src/it/reyboz/bustorino/middleware/AsyncDataDownload.java
	+++ b/src/it/reyboz/bustorino/middleware/AsyncDataDownload.java
	@@ -19,6 +19,7 @@

	import android.content.ContentResolver;
	import android.content.ContentValues;
	+import android.content.Context;
	import android.database.SQLException;
	import android.net.Uri;
	import android.os.AsyncTask;
	@@ -28,6 +29,7 @@

	import it.reyboz.bustorino.backend.*;
	import it.reyboz.bustorino.data.AppDataProvider;
	+import it.reyboz.bustorino.data.NextGenDB;
	import it.reyboz.bustorino.fragments.FragmentHelper;
	import it.reyboz.bustorino.data.NextGenDB.Contract.*;

	@@ -51,13 +53,15 @@
	WeakReference<FragmentHelper> helperRef;
	private final ArrayList<Thread> otherActivities = new ArrayList<>();
	private final Fetcher[] theFetchers;
	+ private Context context;


	- public AsyncDataDownload(FragmentHelper fh, @NonNull Fetcher[] fetchers) {
	+ public AsyncDataDownload(FragmentHelper fh, @NonNull Fetcher[] fetchers, Context context) {
	RequestType type;
	helperRef = new WeakReference<>(fh);
	fh.setLastTaskRef(new WeakReference<>(this));
	res = new AtomicReference<>();
	+ this.context = context.getApplicationContext();

	theFetchers = fetchers;
	if (theFetchers.length < 1){
	@@ -118,7 +122,7 @@
	List<Route> branches = ((FiveTAPIFetcher) f).getDirectionsForStop(stopID,gres);
	if(gres.get() == Fetcher.result.OK){
	p.addInfoFromRoutes(branches);
	- Thread t = new Thread(new BranchInserter(branches,fh,stopID));
	+ Thread t = new Thread(new BranchInserter(branches, context));
	t.start();
	otherActivities.add(t);

	@@ -236,11 +240,13 @@
	public class BranchInserter implements Runnable{
	private final List<Route> routesToInsert;

	- private final FragmentHelper fragmentHelper;
	+ private final Context context;
	+ private final NextGenDB nextGenDB;

	- public BranchInserter(List<Route> routesToInsert,FragmentHelper fh,String stopID) {
	+ public BranchInserter(List<Route> routesToInsert,@NonNull Context con) {
	this.routesToInsert = routesToInsert;
	- this.fragmentHelper = fh;
	+ this.context = con;
	+ nextGenDB = new NextGenDB(context);
	}

	@Override
	@@ -298,7 +304,7 @@
	}
	}
	starttime = System.currentTimeMillis();
	- ContentResolver cr = fragmentHelper.getContentResolver();
	+ ContentResolver cr = context.getContentResolver();
	try {
	cr.bulkInsert(Uri.parse("content://" + AppDataProvider.AUTHORITY + "/branches/"), values);
	endtime = System.currentTimeMillis();
	@@ -313,7 +319,7 @@
	starttime = System.currentTimeMillis();
	ContentValues[] valArr = connectionsVals.toArray(new ContentValues[0]);
	Log.d("DataDownloadInsert","inserting "+valArr.length+" connections");
	- int rows = fragmentHelper.insertBatchDataInNextGenDB(valArr,ConnectionsTable.TABLE_NAME);
	+ int rows = nextGenDB.insertBatchContent(valArr,ConnectionsTable.TABLE_NAME);
	endtime = System.currentTimeMillis();
	Log.d("DataDownload","Inserted connections found, took "+(endtime-starttime)+" ms, inserted "+rows+" rows");
	}
	diff --git a/src/it/reyboz/bustorino/middleware/GeneralActivity.java b/src/it/reyboz/bustorino/middleware/GeneralActivity.java
	--- a/src/it/reyboz/bustorino/middleware/GeneralActivity.java
	+++ b/src/it/reyboz/bustorino/middleware/GeneralActivity.java
	@@ -63,23 +63,12 @@
	InputMethodManager.HIDE_NOT_ALWAYS);
	}
	}
	- public boolean isConnected() {
	- ConnectivityManager connMgr = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
	- NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
	- return networkInfo != null && networkInfo.isConnected();
	- }

	public void showToastMessage(int messageID, boolean short_lenght) {
	final int length = short_lenght ? Toast.LENGTH_SHORT : Toast.LENGTH_LONG;
	Toast.makeText(getApplicationContext(), messageID, length).show();
	}

	- public void assertLocationPermissions() {
	- if(ContextCompat.checkSelfPermission(getApplicationContext(),Manifest.permission.ACCESS_FINE_LOCATION)!=PackageManager.PERMISSION_GRANTED){
	- ActivityCompat.requestPermissions(this,new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST_POSITION);
	- }
	- }
	-
	public int askForPermissionIfNeeded(String permission, int requestID){

	if(ContextCompat.checkSelfPermission(getApplicationContext(),permission)==PackageManager.PERMISSION_GRANTED){
	diff --git a/src/it/reyboz/bustorino/util/Permissions.java b/src/it/reyboz/bustorino/util/Permissions.java
	new file mode 100644
	--- /dev/null
	+++ b/src/it/reyboz/bustorino/util/Permissions.java
	@@ -0,0 +1,41 @@
	+package it.reyboz.bustorino.util;
	+
	+import android.Manifest;
	+import android.app.Activity;
	+import android.content.Context;
	+import android.content.pm.PackageManager;
	+import android.location.Criteria;
	+import android.location.LocationManager;
	+import android.util.Log;
	+
	+import androidx.core.app.ActivityCompat;
	+import androidx.core.content.ContextCompat;
	+
	+import java.util.List;
	+
	+public class Permissions {
	+ final static public String DEBUG_TAG = "BusTO -Permissions";
	+
	+ final static public int PERMISSION_REQUEST_POSITION = 33;
	+ final static public String LOCATION_PERMISSION_GIVEN = "loc_permission";
	+ final static public int STORAGE_PERMISSION_REQ = 291;
	+
	+ final static public int PERMISSION_OK = 0;
	+ final static public int PERMISSION_ASKING = 11;
	+ final static public int PERMISSION_NEG_CANNOT_ASK = -3;
	+
	+ public static boolean anyLocationProviderMatchesCriteria(LocationManager mng, Criteria cr, boolean enabled) {
	+ List<String> providers = mng.getProviders(cr, enabled);
	+ Log.d(DEBUG_TAG, "Getting enabled location providers: ");
	+ for (String s : providers) {
	+ Log.d(DEBUG_TAG, "Provider " + s);
	+ }
	+ return providers.size() > 0;
	+ }
	+
	+ public static void assertLocationPermissions(Context con, Activity activity) {
	+ if(ContextCompat.checkSelfPermission(con, Manifest.permission.ACCESS_FINE_LOCATION)!= PackageManager.PERMISSION_GRANTED){
	+ ActivityCompat.requestPermissions(activity,new String[]{Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST_POSITION);
	+ }
	+ }
	+}

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