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urban-explorer
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Seems working on start and on scroll to the bottom (autoloading). Now - 

remove remaing buttons to load (and paginate).
master
Tomasz Półgrabia 2016-09-11 18:48:31 +02:00
parent c9473311a4
commit 3eb196f158
1 changed files with 58 additions and 29 deletions
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87
app/src/main/java/pl/tpolgrabia/urbanexplorer/fragments/HomeFragment.java
View File

@ -46,6 +46,7 @@ public class HomeFragment extends Fragment implements LocationListener {
private String locationProvider;
private boolean locationServicesActivated = false;
private AQuery aq;
private boolean initialized = false;
private View inflatedView;
private TextView pageSizeWidget;
@ -123,38 +124,13 @@ public class HomeFragment extends Fragment implements LocationListener {
if (firstVisibleItem <= 0) {
// scrolled to the top
Log.v(CLASS_TAG, "Scrolled to the top");
}
if (firstVisibleItem + visibleItemCount >= totalItemCount) {
Log.v(CLASS_TAG, "Scrolled to the bottom");
// scrolled to the bottom
Location location = locationService.getLastKnownLocation(locationProvider);
PanoramioUtils.fetchPanoramioImages(
getActivity(),
location.getLatitude(),
location.getLongitude(),
fetchRadiusX(),
fetchRadiusY(),
(long)(firstVisibleItem + visibleItemCount),
fetchLocationPageSize(),
new PanoramioResponseCallback() {
@Override
public void callback(PanoramioResponseStatus status, List<PanoramioImageInfo> images, Long imagesCount) {
if (status != PanoramioResponseStatus.SUCCESS) {
return;
}
PanoramioAdapter adapter = (PanoramioAdapter) locations.getAdapter();
adapter.addAll(images);
// TODO loading on end scroll should now working
// TODO we can remove pagination
// TODO we can think about removing first items also and last if the number
// TODO of items exceeds the limit (to save the memory)
}
}
);
fetchAdditionalPhotos(firstVisibleItem, visibleItemCount);
}
@ -254,9 +230,61 @@ public class HomeFragment extends Fragment implements LocationListener {
}
});
initialized = true;
fetchAdditionalPhotos(0, 10);
// FIXME hardcoded values
return inflatedView;
}
private void fetchAdditionalPhotos(int firstVisibleItem, int visibleItemCount) {
if (!initialized) {
Log.v(CLASS_TAG, "Fetching additional photos blocked till system is initialized");
return;
}
Log.v(CLASS_TAG, "Fetching additional photos");
Location location = locationService.getLastKnownLocation(locationProvider);
PanoramioUtils.fetchPanoramioImages(
getActivity(),
location.getLatitude(),
location.getLongitude(),
fetchRadiusX(),
fetchRadiusY(),
(long)(firstVisibleItem + visibleItemCount),
fetchLocationPageSize(),
new PanoramioResponseCallback() {
@Override
public void callback(PanoramioResponseStatus status, List<PanoramioImageInfo> images, Long imagesCount) {
Log.v(CLASS_TAG, "Fetched with status: " + status + ", images: " + images + ", count: " +
imagesCount);
if (status != PanoramioResponseStatus.SUCCESS) {
return;
}
PanoramioAdapter adapter = (PanoramioAdapter) locations.getAdapter();
if (adapter != null) {
adapter.addAll(images);
} else {
locations.setAdapter(new PanoramioAdapter(getActivity(),
R.layout.location_item,
images));
}
// TODO loading on end scroll should now working
// TODO we can remove pagination
// TODO we can think about removing first items also and last if the number
// TODO of items exceeds the limit (to save the memory)
Log.v(CLASS_TAG, "Finished loading additional photos");
}
}
);
}
private void fetchPanoramioLocations() {
final Location location = locationService.getLastKnownLocation(locationProvider);
@ -288,7 +316,8 @@ public class HomeFragment extends Fragment implements LocationListener {
}
private Long fetchLocationPageSize() {
return NumberUtils.safeParseLong(pageSizeWidget.getText());
final CharSequence sPageSize = pageSizeWidget != null ? pageSizeWidget.getText() : null;
return NumberUtils.safeParseLong(sPageSize);
}
private Long fetchLocationPageId() {