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updating favourites list in background

fix/get-all-stations-hangout
Mateusz Lubecki 2021-11-25 21:13:27 +01:00
rodzic 22d340efbd
commit bbd4657946
3 zmienionych plików z 194 dodań i 24 usunięć
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13
app/src/main/java/cc/pogoda/mobile/pogodacc/activity/FavouritesActivity.java
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@ -61,6 +61,8 @@ public class FavouritesActivity extends AppCompatActivity {
if (recyclerViewFavourites != null) {
adapter = new WeatherStationRecyclerViewAdapter(sortedFavourites.getList(), this, callReason.getReason());
adapter.createAndStartUpdater();
recyclerViewFavourites.setAdapter(adapter);
}
@ -71,6 +73,8 @@ public class FavouritesActivity extends AppCompatActivity {
if (recyclerViewFavourites != null) {
adapter = new WeatherStationRecyclerViewAdapter(favourites.getList(), this, callReason.getReason());
adapter.createAndStartUpdater();
recyclerViewFavourites.setAdapter(adapter);
}
@ -105,10 +109,19 @@ public class FavouritesActivity extends AppCompatActivity {
if (recyclerViewFavourites != null) {
adapter = new WeatherStationRecyclerViewAdapter(favourites.getList(), this, callReason.getReason());
adapter.createAndStartUpdater();
recyclerViewFavourites.setAdapter(adapter);
recyclerViewFavourites.setLayoutManager(new LinearLayoutManager(this));
}
}
}
@Override
protected void onDestroy() {
super.onDestroy();
adapter.stopUpdater();
}
}

114
app/src/main/java/cc/pogoda/mobile/pogodacc/activity/updater/FavouritesStationDetailsUpdater.java 100644
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@ -0,0 +1,114 @@
package cc.pogoda.mobile.pogodacc.activity.updater;
import android.os.Handler;
import android.widget.TextView;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.Vector;
import cc.pogoda.mobile.pogodacc.dao.SummaryDao;
import cc.pogoda.mobile.pogodacc.type.web.QualityFactor;
import cc.pogoda.mobile.pogodacc.type.web.Summary;
/**
* This class is used to update entries on Favourites list
*/
public class FavouritesStationDetailsUpdater implements Runnable {
/**
* Handler is used by Android to put a Runnable into MessageQueue handler by the Looper. This
* runnable can be scheduled to be serviced at certain point of time
*/
private Handler handler;
/**
* A collection which holds
*/
private HashMap<String, TextView> stationsToUpdate;
/**
* Used to get data from web service
*/
private SummaryDao dao = null;
/**
* Not sure if this is really required but just to be sure that updater won't be started
* after the activity had been torn down.
*/
private boolean enabled;
public FavouritesStationDetailsUpdater(Handler _handler) {
handler = _handler;
dao = new SummaryDao();
stationsToUpdate = new HashMap<>();
}
public boolean isEnabled() {
return enabled;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
public void addNewStation(String _station_system_name, TextView _tv) {
stationsToUpdate.put(_station_system_name, _tv);
}
@Override
public void run() {
if (enabled && stationsToUpdate != null && stationsToUpdate.size() > 0) {
// get a set of all elements stored in the map
Set<Map.Entry<String, TextView>> entries = stationsToUpdate.entrySet();
// create something iterable from the set. the set itself doesn't guarantee the same order than
// objects were put in, but in this case it isn't a problem.
Vector<Map.Entry<String, TextView>> vectorOfEntries = new Vector<>(entries);
for (Map.Entry<String, TextView> e : vectorOfEntries) {
// extract data from pair
String stationSystemName = e.getKey();
TextView toUpdate = e.getValue();
// query web service for station data
Summary summary = dao.getStationSummary(stationSystemName);
// if data has been collected
if (summary != null) {
String str;
// check if this station transmits wind information
if (summary.wind_qf_native.equals(QualityFactor.FULL) || summary.wind_qf_native.equals(QualityFactor.DEGRADED)) {
// check if station transmits humidity
if (summary.humidity_qf_native.equals(QualityFactor.FULL) || summary.humidity_qf_native.equals(QualityFactor.DEGRADED)) {
str = String.format("%d°C %d%% %s %3.1f m/s max %3.1f m/s", Math.round(summary.avg_temperature), summary.humidity, summary.getWindDirStr(), summary.average_speed, summary.gusts);
}
else {
str = String.format("%d°C %s %3.1f m/s max %3.1f m/s", Math.round(summary.avg_temperature), summary.getWindDirStr(), summary.average_speed, summary.gusts);
}
}
else {
if (summary.humidity_qf_native.equals(QualityFactor.FULL) || summary.humidity_qf_native.equals(QualityFactor.DEGRADED)) {
str = String.format("%d°C %d%%", Math.round(summary.avg_temperature), summary.humidity);
}
else {
str = String.format("%d°C", Math.round(summary.avg_temperature));
}
}
// update text view on the favourites list
toUpdate.setText(str);
}
}
handler.postDelayed(this, 30000);
}
}
}

91
app/src/main/java/cc/pogoda/mobile/pogodacc/adapter/WeatherStationRecyclerViewAdapter.java
Wyświetl plik

@ -1,6 +1,7 @@
package cc.pogoda.mobile.pogodacc.adapter;
import android.content.Context;
import android.os.Handler;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@ -15,6 +16,7 @@ import java.util.List;
import cc.pogoda.mobile.pogodacc.R;
import cc.pogoda.mobile.pogodacc.activity.handler.AllStationsActRecyclerViewButtonClickEvent;
import cc.pogoda.mobile.pogodacc.activity.updater.FavouritesStationDetailsUpdater;
import cc.pogoda.mobile.pogodacc.activity.view.AllStationsActRecyclerViewHolder;
import cc.pogoda.mobile.pogodacc.dao.SummaryDao;
import cc.pogoda.mobile.pogodacc.type.ParceableFavsCallReason;
@ -32,11 +34,41 @@ public class WeatherStationRecyclerViewAdapter extends RecyclerView.Adapter<AllS
SummaryDao summaryDao;
FavouritesStationDetailsUpdater favsUpdater = null;
Handler handler = null;
public WeatherStationRecyclerViewAdapter(List<WeatherStation> stations, AppCompatActivity parentActivity, ParceableFavsCallReason.Reason callReason) {
this.stations = stations;
this.activity = parentActivity;
this.reason = callReason;
this.summaryDao = new SummaryDao();
}
public void createAndStartUpdater() {
if (reason.equals(ParceableFavsCallReason.Reason.FAVOURITES)) {
// check if there is previous instance of updater
if (favsUpdater != null && favsUpdater.isEnabled()) {
stopUpdater();
}
handler = new Handler();
favsUpdater = new FavouritesStationDetailsUpdater(handler);
handler.postDelayed(favsUpdater, 3000);
favsUpdater.setEnabled(true);
}
}
public void stopUpdater() {
if (reason.equals(ParceableFavsCallReason.Reason.FAVOURITES)) {
handler.removeCallbacks(favsUpdater);
favsUpdater.setEnabled(false);
}
}
@NonNull
@ -64,10 +96,16 @@ public class WeatherStationRecyclerViewAdapter extends RecyclerView.Adapter<AllS
@Override
public void onBindViewHolder(@NonNull AllStationsActRecyclerViewHolder holder, int position) {
// this TextView shows the station name
TextView textView = holder.textView;
// this TextView shows station data if this is favourites list
TextView textViewData = holder.textViewData;
// button to go to the StationDetailsActivity
Button button = holder.button;
// get the station object from a list of either all stations or favourites
WeatherStation station = stations.get(position);
if (station != null) {
@ -77,31 +115,36 @@ public class WeatherStationRecyclerViewAdapter extends RecyclerView.Adapter<AllS
button.setOnClickListener(new AllStationsActRecyclerViewButtonClickEvent(station, activity, reason));
}
if (textViewData != null) {
Summary summary = summaryDao.getStationSummary(station.getSystemName());
// this if distinguish between All Stations and Favorites view
if (textViewData != null && favsUpdater != null) {
if (summary != null) {
String str;
if (summary.wind_qf_native.equals(QualityFactor.FULL) || summary.wind_qf_native.equals(QualityFactor.DEGRADED)) {
if (summary.humidity_qf_native.equals(QualityFactor.FULL) || summary.humidity_qf_native.equals(QualityFactor.DEGRADED)) {
str = String.format("%d°C %d%% %s %3.1f m/s max %3.1f m/s", Math.round(summary.avg_temperature), summary.humidity, summary.getWindDirStr(), summary.average_speed, summary.gusts);
}
else {
str = String.format("%d°C %s %3.1f m/s max %3.1f m/s", Math.round(summary.avg_temperature), summary.getWindDirStr(), summary.average_speed, summary.gusts);
}
}
else {
if (summary.humidity_qf_native.equals(QualityFactor.FULL) || summary.humidity_qf_native.equals(QualityFactor.DEGRADED)) {
str = String.format("%d°C %d%%", Math.round(summary.avg_temperature), summary.humidity);
}
else {
str = String.format("%d°C", Math.round(summary.avg_temperature));
}
}
textViewData.setText(str);
}
favsUpdater.addNewStation(station.getSystemName(), textViewData);
// // in Favorites view there is 'textViewData' which displays measurements in each entry
//
// Summary summary = summaryDao.getStationSummary(station.getSystemName());
//
// if (summary != null) {
// String str;
// if (summary.wind_qf_native.equals(QualityFactor.FULL) || summary.wind_qf_native.equals(QualityFactor.DEGRADED)) {
// if (summary.humidity_qf_native.equals(QualityFactor.FULL) || summary.humidity_qf_native.equals(QualityFactor.DEGRADED)) {
// str = String.format("%d°C %d%% %s %3.1f m/s max %3.1f m/s", Math.round(summary.avg_temperature), summary.humidity, summary.getWindDirStr(), summary.average_speed, summary.gusts);
// }
// else {
// str = String.format("%d°C %s %3.1f m/s max %3.1f m/s", Math.round(summary.avg_temperature), summary.getWindDirStr(), summary.average_speed, summary.gusts);
// }
// }
// else {
// if (summary.humidity_qf_native.equals(QualityFactor.FULL) || summary.humidity_qf_native.equals(QualityFactor.DEGRADED)) {
// str = String.format("%d°C %d%%", Math.round(summary.avg_temperature), summary.humidity);
// }
// else {
// str = String.format("%d°C", Math.round(summary.avg_temperature));
//
// }
// }
//
// textViewData.setText(str);
// }
}
}