Differential D55 Diff 187 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.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.location.LocationListener;		import android.location.LocationListener;
import android.location.LocationManager;		import android.location.LocationManager;
import android.location.LocationProvider;		import android.location.LocationProvider;
import android.os.Build;		import android.os.Build;
import android.os.Bundle;		import android.os.Bundle;

import androidx.annotation.NonNull;		import androidx.annotation.NonNull;
		import androidx.annotation.Nullable;
import androidx.appcompat.widget.AppCompatImageButton;		import androidx.appcompat.widget.AppCompatImageButton;
import androidx.core.app.ActivityCompat;		import androidx.core.app.ActivityCompat;
import androidx.fragment.app.Fragment;		import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;		import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;		import androidx.fragment.app.FragmentTransaction;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;		import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;

import android.os.Handler;		import android.os.Handler;
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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 com.google.zxing.integration.android.IntentIntegrator;

import it.reyboz.bustorino.ActivityMain;
import it.reyboz.bustorino.R;		import it.reyboz.bustorino.R;
import it.reyboz.bustorino.backend.ArrivalsFetcher;		import it.reyboz.bustorino.backend.ArrivalsFetcher;
import it.reyboz.bustorino.backend.FiveTAPIFetcher;		import it.reyboz.bustorino.backend.FiveTAPIFetcher;
import it.reyboz.bustorino.backend.FiveTScraperFetcher;		import it.reyboz.bustorino.backend.FiveTScraperFetcher;
import it.reyboz.bustorino.backend.FiveTStopsFetcher;		import it.reyboz.bustorino.backend.FiveTStopsFetcher;
import it.reyboz.bustorino.backend.GTTJSONFetcher;		import it.reyboz.bustorino.backend.GTTJSONFetcher;
import it.reyboz.bustorino.backend.GTTStopsFetcher;		import it.reyboz.bustorino.backend.GTTStopsFetcher;
import it.reyboz.bustorino.backend.Stop;
import it.reyboz.bustorino.backend.StopsFinderByName;		import it.reyboz.bustorino.backend.StopsFinderByName;
import it.reyboz.bustorino.data.UserDB;
import it.reyboz.bustorino.middleware.AsyncDataDownload;		import it.reyboz.bustorino.middleware.AsyncDataDownload;
import it.reyboz.bustorino.util.Permissions;		import it.reyboz.bustorino.util.Permissions;

import static android.content.Context.LOCATION_SERVICE;		import static android.content.Context.LOCATION_SERVICE;
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 BaseFragment implements FragmentListenerMain{		public class MainScreenFragment extends BaseFragment implements FragmentListenerMain{


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

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 setupOnAttached = true;
		private boolean suppressArrivalsReload = 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 26 Lines	public class MainScreenFragment extends BaseFragment implements FragmentListenerMain{
boolean pendingNearbyStopsRequest = false;		boolean pendingNearbyStopsRequest = false;
LocationManager locmgr;		LocationManager locmgr;

private final Criteria cr = new Criteria();		private final Criteria cr = new Criteria();

//// ACTIVITY ATTACHED (LISTENER ///		//// ACTIVITY ATTACHED (LISTENER ///
private CommonFragmentListener mListener;		private CommonFragmentListener mListener;

		private String pendingStopID = null;

public MainScreenFragment() {		public MainScreenFragment() {
// Required empty public constructor		// Required empty public constructor
}		}


public static MainScreenFragment newInstance() {		public static MainScreenFragment newInstance() {
MainScreenFragment fragment = new MainScreenFragment();		MainScreenFragment fragment = new MainScreenFragment();
Bundle args = new Bundle();		Bundle args = new Bundle();
▲ Show 20 Lines • Show All 67 Lines • ▼ Show 20 Lines	public View onCreateView(LayoutInflater inflater, ViewGroup container,

cr.setAccuracy(Criteria.ACCURACY_FINE);		cr.setAccuracy(Criteria.ACCURACY_FINE);
cr.setAltitudeRequired(false);		cr.setAltitudeRequired(false);
cr.setBearingRequired(false);		cr.setBearingRequired(false);
cr.setCostAllowed(true);		cr.setCostAllowed(true);
cr.setPowerRequirement(Criteria.NO_REQUIREMENT);		cr.setPowerRequirement(Criteria.NO_REQUIREMENT);

locmgr = (LocationManager) getContext().getSystemService(LOCATION_SERVICE);		locmgr = (LocationManager) getContext().getSystemService(LOCATION_SERVICE);

		Log.d(DEBUG_TAG, "OnCreateView, savedInstanceState null: "+(savedInstanceState==null));



return root;		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: "+setupOnAttached);
		//Restore instance state
		if (savedInstanceState!=null){
		Fragment fragment = getChildFragmentManager().getFragment(savedInstanceState, SAVED_FRAGMENT);
		if (fragment!=null){
		getChildFragmentManager().beginTransaction().add(R.id.resultFrame, fragment).commit();
		setupOnAttached = false;
		}
		}
		if (getChildFragmentManager().findFragmentById(R.id.resultFrame)!= null){
		swipeRefreshLayout.setVisibility(View.VISIBLE);
		}
		}

		@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);
		}

		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);
		}
		}

		*/
		}


@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);
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.toString()		throw new RuntimeException(context.toString()
+ " must implement CommonFragmentListener");		+ " must implement CommonFragmentListener");
}		}
if (setupOnAttached){		if (setupOnAttached) {
		if (pendingStopID==null)
//We want the nearby bus stops!		//We want the nearby bus stops!
mainHandler.post(new NearbyStopsRequester(getContext(),cr, locListener));		mainHandler.post(new NearbyStopsRequester(getContext(), cr, locListener));
		else{
		///TODO: if there is a stop displayed, we need to hold the update
		}
//If there are no providers available, then, wait for them		//If there are no providers available, then, wait for them

setupOnAttached = false;		setupOnAttached = false;
		} else {
}		}

}		}
@Override		@Override
public void onDetach() {		public void onDetach() {
super.onDetach();		super.onDetach();
mListener = null;		mListener = null;
		// setupOnAttached = true;
}		}


@Override		@Override
public void onResume() {		public void onResume() {

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

@Override		@Override
public void onPause() {		public void onPause() {
//mainHandler = null;		//mainHandler = null;
locmgr = null;		locmgr = null;
super.onPause();		super.onPause();
}		}
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lines	public class MainScreenFragment extends BaseFragment implements FragmentListenerMain{
@Override		@Override
public void enableRefreshLayout(boolean yes) {		public void enableRefreshLayout(boolean yes) {
swipeRefreshLayout.setEnabled(yes);		swipeRefreshLayout.setEnabled(yes);
}		}

////////////////////////////////////// GUI HELPERS /////////////////////////////////////////////		////////////////////////////////////// GUI HELPERS /////////////////////////////////////////////

public void showKeyboard() {		public void showKeyboard() {
		if (getActivity() == null)
		return;
InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);		InputMethodManager imm = (InputMethodManager) getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
View view = searchMode == SEARCH_BY_ID ? busStopSearchByIDEditText : busStopSearchByNameEditText;		View view = searchMode == SEARCH_BY_ID ? busStopSearchByIDEditText : busStopSearchByNameEditText;
imm.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT);		imm.showSoftInput(view, InputMethodManager.SHOW_IMPLICIT);
}		}

private void setSearchModeBusStopID() {		private void setSearchModeBusStopID() {
searchMode = SEARCH_BY_ID;		searchMode = SEARCH_BY_ID;
busStopSearchByNameEditText.setVisibility(View.GONE);		busStopSearchByNameEditText.setVisibility(View.GONE);
▲ Show 20 Lines • Show All 96 Lines • ▼ Show 20 Lines	public void readyGUIfor(FragmentKind fragmentType) {
Log.e("BusTO Activity", "Called readyGUI with unsupported type of Fragment");		Log.e("BusTO Activity", "Called readyGUI with unsupported type of Fragment");
return;		return;
}		}
// Shows hints		// Shows hints


}		}

		/**
		* Main method for stops requests
		* @param ID the Stop ID
		*/
@Override		@Override
public void requestArrivalsForStopID(String ID) {		public void requestArrivalsForStopID(String ID) {
		if (!isResumed()){
		//defer request
		pendingStopID = ID;
		Log.d(DEBUG_TAG, "Deferring update for stop "+ID);
		return;
		}
		final boolean delayedRequest = !(pendingStopID==null);
final FragmentManager framan = getChildFragmentManager();		final FragmentManager framan = getChildFragmentManager();
		if (getContext()==null){
		Log.e(DEBUG_TAG, "Asked for arrivals with null context");
		return;
		}
if (ID == null \|\| ID.length() <= 0) {		if (ID == null \|\| ID.length() <= 0) {
// we're still in UI thread, no need to mess with Progress		// we're still in UI thread, no need to mess with Progress
showToastMessage(R.string.insert_bus_stop_number_error, true);		showToastMessage(R.string.insert_bus_stop_number_error, true);
toggleSpinner(false);		toggleSpinner(false);
} else if (framan.findFragmentById(R.id.resultFrame) instanceof ArrivalsFragment) {		} else if (framan.findFragmentById(R.id.resultFrame) instanceof ArrivalsFragment) {
ArrivalsFragment fragment = (ArrivalsFragment) framan.findFragmentById(R.id.resultFrame);		ArrivalsFragment fragment = (ArrivalsFragment) framan.findFragmentById(R.id.resultFrame);
if (fragment != null && fragment.getStopID() != null && fragment.getStopID().equals(ID)){		if (fragment != null && fragment.getStopID() != null && fragment.getStopID().equals(ID)){
// Run with previous fetchers		// Run with previous fetchers
//fragment.getCurrentFetchers().toArray()		//fragment.getCurrentFetchers().toArray()
new AsyncDataDownload(fragmentHelper,fragment.getCurrentFetchersAsArray(), getContext()).execute(ID);		new AsyncDataDownload(fragmentHelper,fragment.getCurrentFetchersAsArray(), getContext()).execute(ID);
} else{		} else{
new AsyncDataDownload(fragmentHelper, arrivalsFetchers, getContext()).execute(ID);		new AsyncDataDownload(fragmentHelper, arrivalsFetchers, getContext()).execute(ID);
}		}
}		}
else {		else {
new AsyncDataDownload(fragmentHelper,arrivalsFetchers, getContext()).execute(ID);		new AsyncDataDownload(fragmentHelper,arrivalsFetchers, getContext()).execute(ID);
Log.d("MainActiv", "Started search for arrivals of stop " + ID);		Log.d(DEBUG_TAG, "Started search for arrivals of stop " + ID);
}		}
}		}
/////////// LOCATION METHODS //////////		/////////// LOCATION METHODS //////////
final LocationListener locListener = new LocationListener() {		final LocationListener locListener = new LocationListener() {
@Override		@Override
public void onLocationChanged(Location location) {		public void onLocationChanged(Location location) {
Log.d(DEBUG_TAG, "Location changed");		Log.d(DEBUG_TAG, "Location changed");
}		}
▲ Show 20 Lines • Show All 85 Lines • ▼ Show 20 Lines	class NearbyStopsRequester implements Runnable {

locManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10, 0.1f, listener);		locManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10, 0.1f, listener);
}		}

}		}
}		}

}		}
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