mirror of
https://github.com/commons-app/apps-android-commons.git
synced 2025-10-27 04:43:54 +01:00
Merge pull request #261 from misaochan/fix-double-listview-2
Fix doubled listview, and change method of handling screen config changes
This commit is contained in:
Josephine Lim
GitHub
commit
166225c1ee
3 changed files with 106 additions and 69 deletions
|
|
@ -1,6 +1,5 @@
|
|||
package fr.free.nrw.commons.nearby;
|
||||
|
||||
|
||||
import android.content.Context;
|
||||
import android.content.Intent;
|
||||
import android.content.pm.ActivityInfo;
|
||||
|
|
@ -9,21 +8,16 @@ import android.net.Uri;
|
|||
import android.os.AsyncTask;
|
||||
import android.os.Bundle;
|
||||
import android.support.v4.app.ListFragment;
|
||||
import android.support.v7.widget.RecyclerView;
|
||||
import android.text.TextUtils;
|
||||
import android.util.Log;
|
||||
import android.view.LayoutInflater;
|
||||
import android.view.View;
|
||||
import android.view.ViewGroup;
|
||||
import android.widget.Adapter;
|
||||
import android.widget.AdapterView;
|
||||
import android.widget.ArrayAdapter;
|
||||
import android.widget.ImageView;
|
||||
import android.widget.ListAdapter;
|
||||
import android.widget.ListView;
|
||||
import android.widget.ProgressBar;
|
||||
import android.widget.TextView;
|
||||
import android.widget.Toast;
|
||||
|
||||
import java.text.NumberFormat;
|
||||
import java.util.Collections;
|
||||
|
|
@ -32,80 +26,103 @@ import java.util.List;
|
|||
|
||||
import fr.free.nrw.commons.R;
|
||||
|
||||
public class NearbyListFragment extends ListFragment {
|
||||
public class NearbyListFragment extends ListFragment implements TaskListener {
|
||||
|
||||
private int mImageSize;
|
||||
private boolean mItemClicked;
|
||||
private NearbyAsyncTask nearbyAsyncTask;
|
||||
private NearbyAdapter mAdapter;
|
||||
private ListView listview;
|
||||
|
||||
private ProgressBar progressBar;
|
||||
private boolean isTaskRunning = false;
|
||||
|
||||
private List<Place> places;
|
||||
private LatLng mLatestLocation;
|
||||
private ProgressBar progressBar;
|
||||
|
||||
private static final String TAG = "NearbyListFragment";
|
||||
|
||||
public NearbyListFragment() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onCreate(Bundle savedInstanceState) {
|
||||
super.onCreate(savedInstanceState);
|
||||
setRetainInstance(true);
|
||||
}
|
||||
|
||||
@Override
|
||||
public View onCreateView(LayoutInflater inflater, ViewGroup container,
|
||||
Bundle savedInstanceState) {
|
||||
|
||||
Log.d(TAG, "NearbyListFragment created");
|
||||
View view = inflater.inflate(R.layout.fragment_nearby, container, false);
|
||||
progressBar = (ProgressBar) view.findViewById(R.id.progressBar);
|
||||
return view;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onViewCreated(View view, Bundle savedInstanceState) {
|
||||
|
||||
progressBar = (ProgressBar) view.findViewById(R.id.progressBar);
|
||||
progressBar.setMax(10);
|
||||
//Check that this is the first time view is created, to avoid double list when screen orientation changed
|
||||
if(savedInstanceState == null) {
|
||||
mLatestLocation = ((NearbyActivity) getActivity()).getmLatestLocation();
|
||||
listview = (ListView) getView().findViewById(R.id.listview);
|
||||
nearbyAsyncTask = new NearbyAsyncTask(this);
|
||||
nearbyAsyncTask.execute();
|
||||
progressBar.setVisibility(View.VISIBLE);
|
||||
Log.d(TAG, "Saved instance state is null, populating ListView");
|
||||
} else {
|
||||
progressBar.setVisibility(View.GONE);
|
||||
}
|
||||
|
||||
// If we are returning here from a screen orientation and the AsyncTask is still working,
|
||||
// re-create and display the progress dialog.
|
||||
if (isTaskRunning) {
|
||||
progressBar.setVisibility(View.VISIBLE);
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onSaveInstanceState(Bundle outInstanceState) {
|
||||
// See http://stackoverflow.com/questions/8942135/listview-added-dublicate-item-in-list-when-screen-orientation-changes
|
||||
outInstanceState.putInt("value", 1);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onTaskStarted() {
|
||||
isTaskRunning = true;
|
||||
progressBar.setVisibility(View.VISIBLE);
|
||||
progressBar.setProgress(0);
|
||||
|
||||
mLatestLocation = ((NearbyActivity) getActivity()).getmLatestLocation();
|
||||
|
||||
getNearbyPlaces nearbyList = new getNearbyPlaces();
|
||||
nearbyList.execute();
|
||||
|
||||
Log.d(TAG, "Adapter set to ListView");
|
||||
|
||||
}
|
||||
|
||||
private List<Place> loadAttractionsFromLocation(final LatLng curLatLng) {
|
||||
|
||||
List<Place> places = NearbyPlaces.get();
|
||||
if (curLatLng != null) {
|
||||
Log.d(TAG, "Sorting places by distance...");
|
||||
Collections.sort(places,
|
||||
new Comparator<Place>() {
|
||||
@Override
|
||||
public int compare(Place lhs, Place rhs) {
|
||||
double lhsDistance = computeDistanceBetween(
|
||||
lhs.location, curLatLng);
|
||||
double rhsDistance = computeDistanceBetween(
|
||||
rhs.location, curLatLng);
|
||||
return (int) (lhsDistance - rhsDistance);
|
||||
}
|
||||
}
|
||||
);
|
||||
@Override
|
||||
public void onTaskFinished(List<Place> result) {
|
||||
if (progressBar != null) {
|
||||
progressBar.setVisibility(View.GONE);
|
||||
}
|
||||
|
||||
for(int i = 0; i < 500; i++) {
|
||||
Place place = places.get(i);
|
||||
String distance = formatDistanceBetween(mLatestLocation, place.location);
|
||||
System.out.println("Sorted " + place.name + " at " + distance + " away.");
|
||||
place.setDistance(distance);
|
||||
}
|
||||
return places;
|
||||
isTaskRunning = false;
|
||||
}
|
||||
|
||||
private class getNearbyPlaces extends AsyncTask<Void, Integer, List<Place>> {
|
||||
@Override
|
||||
public void onDetach() {
|
||||
// All dialogs should be closed before leaving the activity in order to avoid
|
||||
// the: Activity has leaked window com.android.internal.policy... exception
|
||||
if (progressBar != null && progressBar.isShown()) {
|
||||
progressBar.setVisibility(View.GONE);
|
||||
}
|
||||
super.onDetach();
|
||||
}
|
||||
|
||||
private class NearbyAsyncTask extends AsyncTask<Void, Integer, List<Place>> {
|
||||
|
||||
private final TaskListener listener;
|
||||
|
||||
public NearbyAsyncTask (TaskListener listener) {
|
||||
this.listener = listener;
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onPreExecute() {
|
||||
super.onPreExecute();
|
||||
lockScreenOrientation();
|
||||
listener.onTaskStarted();
|
||||
}
|
||||
|
||||
@Override
|
||||
|
|
@ -124,16 +141,14 @@ public class NearbyListFragment extends ListFragment {
|
|||
protected void onPostExecute(List<Place> result) {
|
||||
super.onPostExecute(result);
|
||||
progressBar.setVisibility(View.GONE);
|
||||
unlockScreenOrientation();
|
||||
|
||||
mAdapter = new NearbyAdapter(getActivity(), places);
|
||||
ListView listview = (ListView) getView().findViewById(R.id.listview);
|
||||
|
||||
listview.setAdapter(mAdapter);
|
||||
|
||||
listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {
|
||||
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
|
||||
|
||||
|
||||
Place place = places.get(position);
|
||||
LatLng placeLatLng = place.location;
|
||||
|
||||
|
|
@ -151,27 +166,11 @@ public class NearbyListFragment extends ListFragment {
|
|||
}
|
||||
}
|
||||
});
|
||||
listener.onTaskFinished(result);
|
||||
mAdapter.notifyDataSetChanged();
|
||||
}
|
||||
}
|
||||
|
||||
private void lockScreenOrientation() {
|
||||
int currentOrientation = getResources().getConfiguration().orientation;
|
||||
if (currentOrientation == Configuration.ORIENTATION_PORTRAIT) {
|
||||
getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
|
||||
} else {
|
||||
getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
|
||||
}
|
||||
}
|
||||
|
||||
private void unlockScreenOrientation() {
|
||||
try {
|
||||
getActivity().setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
|
||||
} catch (NullPointerException e){
|
||||
Log.e(TAG, "NPE: ", e);
|
||||
}
|
||||
}
|
||||
|
||||
private class NearbyAdapter extends ArrayAdapter<Place> {
|
||||
|
||||
public List<Place> placesList;
|
||||
|
|
@ -241,6 +240,33 @@ public class NearbyListFragment extends ListFragment {
|
|||
}
|
||||
}
|
||||
|
||||
private List<Place> loadAttractionsFromLocation(final LatLng curLatLng) {
|
||||
|
||||
List<Place> places = NearbyPlaces.get();
|
||||
if (curLatLng != null) {
|
||||
Log.d(TAG, "Sorting places by distance...");
|
||||
Collections.sort(places,
|
||||
new Comparator<Place>() {
|
||||
@Override
|
||||
public int compare(Place lhs, Place rhs) {
|
||||
double lhsDistance = computeDistanceBetween(
|
||||
lhs.location, curLatLng);
|
||||
double rhsDistance = computeDistanceBetween(
|
||||
rhs.location, curLatLng);
|
||||
return (int) (lhsDistance - rhsDistance);
|
||||
}
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
for(int i = 0; i < 500; i++) {
|
||||
Place place = places.get(i);
|
||||
String distance = formatDistanceBetween(mLatestLocation, place.location);
|
||||
place.setDistance(distance);
|
||||
}
|
||||
return places;
|
||||
}
|
||||
|
||||
private String formatDistanceBetween(LatLng point1, LatLng point2) {
|
||||
if (point1 == null || point2 == null) {
|
||||
return null;
|
||||
|
|
|
|||
|
|
@ -2,6 +2,7 @@ package fr.free.nrw.commons.nearby;
|
|||
|
||||
import android.net.Uri;
|
||||
import android.os.StrictMode;
|
||||
import android.util.Log;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.IOException;
|
||||
|
|
@ -12,6 +13,7 @@ import java.util.List;
|
|||
|
||||
public class NearbyPlaces {
|
||||
|
||||
private static final String TAG = "NearbyPlaces";
|
||||
static List<Place> places = null;
|
||||
|
||||
public static List<Place> get() {
|
||||
|
|
@ -30,6 +32,7 @@ public class NearbyPlaces {
|
|||
|
||||
boolean firstLine = true;
|
||||
String line;
|
||||
Log.d(TAG, "Reading from CSV file...");
|
||||
|
||||
while ((line = in.readLine()) != null) {
|
||||
|
||||
|
|
@ -39,7 +42,6 @@ public class NearbyPlaces {
|
|||
continue;
|
||||
}
|
||||
|
||||
System.out.println(line);
|
||||
String[] fields = line.split(",");
|
||||
String name = fields[0];
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,9 @@
|
|||
package fr.free.nrw.commons.nearby;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
public interface TaskListener {
|
||||
void onTaskStarted();
|
||||
|
||||
void onTaskFinished(List<Place> result);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue