Differential D92 Diff 317 src/it/reyboz/bustorino/fragments/MainScreenFragment.java

Changeset View

Standalone View

src/it/reyboz/bustorino/fragments/MainScreenFragment.java


package it.reyboz.bustorino.fragments;		package it.reyboz.bustorino.fragments;

import android.Manifest;		import android.Manifest;
import android.content.Context;		import android.content.Context;
		import android.content.Intent;
import android.content.pm.PackageManager;		import android.content.pm.PackageManager;
import android.location.Criteria;		import android.location.Criteria;
import android.location.Location;		import android.location.Location;
		import android.net.Uri;
import android.os.Build;		import android.os.Build;
import android.os.Bundle;		import android.os.Bundle;

import androidx.activity.result.ActivityResultCallback;		import androidx.activity.result.ActivityResultCallback;
import androidx.activity.result.ActivityResultLauncher;		import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;		import androidx.activity.result.contract.ActivityResultContracts;
import androidx.annotation.NonNull;		import androidx.annotation.NonNull;
import androidx.annotation.Nullable;		import androidx.annotation.Nullable;
Show All 16 Lines
import android.widget.Button;		import android.widget.Button;
import android.widget.EditText;		import android.widget.EditText;
import android.widget.ImageButton;		import android.widget.ImageButton;
import android.widget.ProgressBar;		import android.widget.ProgressBar;
import android.widget.TextView;		import android.widget.TextView;
import android.widget.Toast;		import android.widget.Toast;

import com.google.android.material.floatingactionbutton.FloatingActionButton;		import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.zxing.integration.android.IntentIntegrator;

import java.util.Map;		import java.util.Map;

import it.reyboz.bustorino.R;		import it.reyboz.bustorino.R;
import it.reyboz.bustorino.backend.*;		import it.reyboz.bustorino.backend.*;
import it.reyboz.bustorino.middleware.AppLocationManager;		import it.reyboz.bustorino.middleware.AppLocationManager;
import it.reyboz.bustorino.middleware.AsyncArrivalsSearcher;		import it.reyboz.bustorino.middleware.AsyncArrivalsSearcher;
import it.reyboz.bustorino.middleware.AsyncStopsSearcher;		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.LocationCriteria;
import it.reyboz.bustorino.util.Permissions;		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_PERMISSIONS;
import static it.reyboz.bustorino.util.Permissions.LOCATION_PERMISSION_GIVEN;		import static it.reyboz.bustorino.util.Permissions.LOCATION_PERMISSION_GIVEN;


/**		/**
* A simple {@link Fragment} subclass.		* A simple {@link Fragment} subclass.
* Use the {@link MainScreenFragment#newInstance} factory method to		* Use the {@link MainScreenFragment#newInstance} factory method to
* create an instance of this fragment.		* create an instance of this fragment.
*/		*/
public class MainScreenFragment extends ScreenBaseFragment implements FragmentListenerMain{		public class MainScreenFragment extends ScreenBaseFragment implements FragmentListenerMain{


private static final String OPTION_SHOW_LEGEND = "show_legend";		private static final String OPTION_SHOW_LEGEND = "show_legend";
private static final String SAVED_FRAGMENT="saved_fragment";		private static final String SAVED_FRAGMENT="saved_fragment";

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

		public static final String PENDING_STOP_SEARCH="PendingStopSearch";

public final static String FRAGMENT_TAG = "MainScreenFragment";		public final static String FRAGMENT_TAG = "MainScreenFragment";

/// UI ELEMENTS //		/// UI ELEMENTS //
private ImageButton addToFavorites;		private ImageButton addToFavorites;
private FragmentHelper fragmentHelper;		private FragmentHelper fragmentHelper;
private SwipeRefreshLayout swipeRefreshLayout;		private SwipeRefreshLayout swipeRefreshLayout;
private EditText busStopSearchByIDEditText;		private EditText busStopSearchByIDEditText;
private EditText busStopSearchByNameEditText;		private EditText busStopSearchByNameEditText;
private ProgressBar progressBar;		private ProgressBar progressBar;
private TextView howDoesItWorkTextView;		private TextView howDoesItWorkTextView;
private Button hideHintButton;		private Button hideHintButton;
private MenuItem actionHelpMenuItem;		private MenuItem actionHelpMenuItem;
private FloatingActionButton floatingActionButton;		private FloatingActionButton floatingActionButton;

private boolean setupOnAttached = true;		private boolean setupOnResume = true;
private boolean suppressArrivalsReload = false;		private boolean suppressArrivalsReload = false;
		private boolean instanceStateSaved = false;
//private Snackbar snackbar;		//private Snackbar snackbar;
/*		/*
* Search mode		* Search mode
*/		*/
private static final int SEARCH_BY_NAME = 0;		private static final int SEARCH_BY_NAME = 0;
private static final int SEARCH_BY_ID = 1;		private static final int SEARCH_BY_ID = 1;
private static final int SEARCH_BY_ROUTE = 2; // TODO: implement this -- https://gitpull.it/T12		private static final int SEARCH_BY_ROUTE = 2; // TODO: implement this -- https://gitpull.it/T12
private int searchMode;		private int searchMode;
Show All 15 Lines	private final Runnable refreshStop = new Runnable() {
String stopName = fragment.getStopID();		String stopName = fragment.getStopID();

new AsyncArrivalsSearcher(fragmentHelper, fragment.getCurrentFetchersAsArray(), getContext()).execute(stopName);		new AsyncArrivalsSearcher(fragmentHelper, fragment.getCurrentFetchersAsArray(), getContext()).execute(stopName);
}		}
} else //we create a new fragment, which is WRONG		} else //we create a new fragment, which is WRONG
new AsyncArrivalsSearcher(fragmentHelper, arrivalsFetchers, getContext()).execute();		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 ///		/// LOCATION STUFF ///
boolean pendingNearbyStopsRequest = false;		boolean pendingNearbyStopsRequest = false;
boolean locationPermissionGranted, locationPermissionAsked = false;		boolean locationPermissionGranted, locationPermissionAsked = false;
AppLocationManager locationManager;		AppLocationManager locationManager;


private final LocationCriteria cr = new LocationCriteria(2000, 10000);		private final LocationCriteria cr = new LocationCriteria(2000, 10000);
▲ Show 20 Lines • Show All 83 Lines • ▼ Show 20 Lines	public static MainScreenFragment newInstance() {
return fragment;		return fragment;
}		}

@Override		@Override
public void onCreate(Bundle savedInstanceState) {		public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);		super.onCreate(savedInstanceState);
if (getArguments() != null) {		if (getArguments() != null) {
//do nothing		//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		@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,		public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {		Bundle savedInstanceState) {
// Inflate the layout for this fragment		// Inflate the layout for this fragment
View root = inflater.inflate(R.layout.fragment_main_screen, container, false);		View root = inflater.inflate(R.layout.fragment_main_screen, container, false);
▲ Show 20 Lines • Show All 62 Lines • ▼ Show 20 Lines	public View onCreateView(LayoutInflater inflater, ViewGroup container,

return root;		return root;
}		}

@Override		@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {		public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);		super.onViewCreated(view, savedInstanceState);
Log.d(DEBUG_TAG, "onViewCreated, SwipeRefreshLayout visible: "+(swipeRefreshLayout.getVisibility()==View.VISIBLE));		Log.d(DEBUG_TAG, "onViewCreated, SwipeRefreshLayout visible: "+(swipeRefreshLayout.getVisibility()==View.VISIBLE));
Log.d(DEBUG_TAG, "Setup on attached: "+setupOnAttached);		Log.d(DEBUG_TAG, "Setup on attached: "+ setupOnResume);
//Restore instance state		//Restore instance state
if (savedInstanceState!=null){		if (savedInstanceState!=null){
Fragment fragment = getChildFragmentManager().getFragment(savedInstanceState, SAVED_FRAGMENT);		Fragment fragment = getChildFragmentManager().getFragment(savedInstanceState, SAVED_FRAGMENT);
if (fragment!=null){		if (fragment!=null){
getChildFragmentManager().beginTransaction().add(R.id.resultFrame, fragment).commit();		getChildFragmentManager().beginTransaction().add(R.id.resultFrame, fragment).commit();
setupOnAttached = false;		setupOnResume = false;
}		}
}		}
if (getChildFragmentManager().findFragmentById(R.id.resultFrame)!= null){		if (getChildFragmentManager().findFragmentById(R.id.resultFrame)!= null){
swipeRefreshLayout.setVisibility(View.VISIBLE);		swipeRefreshLayout.setVisibility(View.VISIBLE);
}		}
		instanceStateSaved = false;

}		}

@Override		@Override
public void onSaveInstanceState(@NonNull Bundle outState) {		public void onSaveInstanceState(@NonNull Bundle outState) {
super.onSaveInstanceState(outState);		super.onSaveInstanceState(outState);
Fragment fragment = getChildFragmentManager().findFragmentById(R.id.resultFrame);		Fragment fragment = getChildFragmentManager().findFragmentById(R.id.resultFrame);
if (fragment!=null)		if (fragment!=null)
getChildFragmentManager().putFragment(outState, SAVED_FRAGMENT, fragment);		getChildFragmentManager().putFragment(outState, SAVED_FRAGMENT, fragment);
fragmentHelper.setBlockAllActivities(true);		fragmentHelper.setBlockAllActivities(true);

		instanceStateSaved = true;
}		}

public void setSuppressArrivalsReload(boolean value){		public void setSuppressArrivalsReload(boolean value){
suppressArrivalsReload = value;		suppressArrivalsReload = value;
// we have to suppress the reloading of the (possible) ArrivalsFragment		// we have to suppress the reloading of the (possible) ArrivalsFragment
/*if(value) {		/*if(value) {
Fragment fragment = getChildFragmentManager().findFragmentById(R.id.resultFrame);		Fragment fragment = getChildFragmentManager().findFragmentById(R.id.resultFrame);
if (fragment instanceof ArrivalsFragment) {		if (fragment instanceof ArrivalsFragment) {
Show All 18 Lines	public void cancelReloadArrivalsIfNeeded(){
toggleSpinner(false);		toggleSpinner(false);
}		}


@Override		@Override
public void onAttach(@NonNull Context context) {		public void onAttach(@NonNull Context context) {
super.onAttach(context);		super.onAttach(context);

Log.d(DEBUG_TAG, "OnAttach called, setupOnAttach: "+setupOnAttached);		Log.d(DEBUG_TAG, "OnAttach called, setupOnAttach: "+ setupOnResume);
mainHandler = new Handler();		mainHandler = new Handler();
if (context instanceof CommonFragmentListener) {		if (context instanceof CommonFragmentListener) {
mListener = (CommonFragmentListener) context;		mListener = (CommonFragmentListener) context;
} else {		} else {
throw new RuntimeException(context		throw new RuntimeException(context
+ " must implement CommonFragmentListener");		+ " must implement CommonFragmentListener");
}		}
if (setupOnAttached) {
if (pendingStopID==null)
//We want the nearby bus stops!
mainHandler.post(new NearbyStopsRequester(context, cr));
else{
///TODO: if there is a stop displayed, we need to hold the update
}

setupOnAttached = false;
}


}		}
@Override		@Override
public void onDetach() {		public void onDetach() {
super.onDetach();		super.onDetach();
mListener = null;		mListener = null;
// setupOnAttached = true;		// setupOnAttached = true;
}		}
Show All 33 Lines	public void onResume() {
// we have to suppress the reloading of the (possible) ArrivalsFragment		// we have to suppress the reloading of the (possible) ArrivalsFragment
Fragment fragment = getChildFragmentManager().findFragmentById(R.id.resultFrame);		Fragment fragment = getChildFragmentManager().findFragmentById(R.id.resultFrame);
if (fragment instanceof ArrivalsFragment){		if (fragment instanceof ArrivalsFragment){
ArrivalsFragment frag = (ArrivalsFragment) fragment;		ArrivalsFragment frag = (ArrivalsFragment) fragment;
frag.setReloadOnResume(false);		frag.setReloadOnResume(false);
}		}
suppressArrivalsReload = 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){		if(pendingStopID!=null){

		Log.d(DEBUG_TAG, "Re-requesting arrivals for pending stop "+pendingStopID);
requestArrivalsForStopID(pendingStopID);		requestArrivalsForStopID(pendingStopID);
pendingStopID = null;		pendingStopID = null;
}		}
mListener.readyGUIfor(FragmentKind.MAIN_SCREEN_FRAGMENT);		mListener.readyGUIfor(FragmentKind.MAIN_SCREEN_FRAGMENT);

fragmentHelper.setBlockAllActivities(false);		fragmentHelper.setBlockAllActivities(false);

}		}

@Override		@Override
public void onPause() {		public void onPause() {
//mainHandler = null;		//mainHandler = null;
locationManager.removeLocationRequestFor(requester);		locationManager.removeLocationRequestFor(requester);
super.onPause();		super.onPause();
fragmentHelper.setBlockAllActivities(true);		fragmentHelper.setBlockAllActivities(true);
fragmentHelper.stopLastRequestIfNeeded(true);		fragmentHelper.stopLastRequestIfNeeded(true);
}		}


/*		/*
GUI METHODS		GUI METHODS
*/		*/
/**		/**
* QR scan button clicked		* QR scan button clicked
*		*
* @param v View QRButton clicked		* @param v View QRButton clicked
*/		*/
public void onQRButtonClick(View v) {		public void onQRButtonClick(View v) {
IntentIntegrator integrator = new IntentIntegrator(getActivity());
integrator.initiateScan();		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) {		public void onHideHint(View v) {

hideHints();		hideHints();
setOption(OPTION_SHOW_LEGEND, false);		setOption(OPTION_SHOW_LEGEND, false);
}		}
/**		/**
* OK this is pure shit		* OK this is pure shit
▲ Show 20 Lines • Show All 129 Lines • ▼ Show 20 Lines	void showNearbyStopsFragment(){
swipeRefreshLayout.setVisibility(View.VISIBLE);		swipeRefreshLayout.setVisibility(View.VISIBLE);
final Fragment existingFrag = fragMan.findFragmentById(R.id.resultFrame);		final Fragment existingFrag = fragMan.findFragmentById(R.id.resultFrame);
NearbyStopsFragment fragment;		NearbyStopsFragment fragment;
if (!(existingFrag instanceof NearbyStopsFragment)){		if (!(existingFrag instanceof NearbyStopsFragment)){
//there is no fragment showing		//there is no fragment showing
fragment = NearbyStopsFragment.newInstance(NearbyStopsFragment.TYPE_STOPS);		fragment = NearbyStopsFragment.newInstance(NearbyStopsFragment.TYPE_STOPS);

FragmentTransaction ft = fragMan.beginTransaction();		FragmentTransaction ft = fragMan.beginTransaction();
//if (oldFrag != null)
// ft.remove(oldFrag);

ft.replace(R.id.resultFrame, fragment, NearbyStopsFragment.FRAGMENT_TAG);		ft.replace(R.id.resultFrame, fragment, NearbyStopsFragment.FRAGMENT_TAG);
		if (getActivity()!=null && !getActivity().isFinishing() &&!instanceStateSaved)
ft.commit();		ft.commit();
		else Log.e(DEBUG_TAG, "Not showing nearby fragment because we saved instanceState");
}		}
}		}


@Override		@Override
public void showFloatingActionButton(boolean yes) {		public void showFloatingActionButton(boolean yes) {
mListener.showFloatingActionButton(yes);		mListener.showFloatingActionButton(yes);
}		}
▲ Show 20 Lines • Show All 45 Lines • ▼ Show 20 Lines	public class MainScreenFragment extends ScreenBaseFragment implements FragmentListenerMain{
* Main method for stops requests		* Main method for stops requests
* @param ID the Stop ID		* @param ID the Stop ID
*/		*/
@Override		@Override
public void requestArrivalsForStopID(String ID) {		public void requestArrivalsForStopID(String ID) {
if (!isResumed()){		if (!isResumed()){
//defer request		//defer request
pendingStopID = ID;		pendingStopID = ID;
Log.d(DEBUG_TAG, "Deferring update for stop "+ID);		Log.d(DEBUG_TAG, "Deferring update for stop "+ID+ " saved: "+pendingStopID);
return;		return;
}		}
final boolean delayedRequest = !(pendingStopID==null);		final boolean delayedRequest = !(pendingStopID==null);
final FragmentManager framan = getChildFragmentManager();		final FragmentManager framan = getChildFragmentManager();
if (getContext()==null){		if (getContext()==null){
Log.e(DEBUG_TAG, "Asked for arrivals with null context");		Log.e(DEBUG_TAG, "Asked for arrivals with null context");
return;		return;
}		}
▲ Show 20 Lines • Show All 78 Lines • ▼ Show 20 Lines	class NearbyStopsRequester implements Runnable {
} else if(!haveProviders){		} else if(!haveProviders){
Log.e(DEBUG_TAG, "NO PROVIDERS FOR POSITION");		Log.e(DEBUG_TAG, "NO PROVIDERS FOR POSITION");
}		}

}		}
}		}

}		}
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