mirror of
https://github.com/commons-app/apps-android-commons.git
synced 2025-10-26 20:33:53 +01:00
Convert BookmarkPicturesFragment to kotlin
This commit is contained in:
Paul Hawke
parent
30808d0bee
commit
e529320e98
3 changed files with 204 additions and 221 deletions
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@ -1,218 +0,0 @@
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package fr.free.nrw.commons.bookmarks.pictures;
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import static android.view.View.GONE;
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import static android.view.View.VISIBLE;
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import android.annotation.SuppressLint;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.ListAdapter;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import dagger.android.support.DaggerFragment;
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import fr.free.nrw.commons.Media;
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import fr.free.nrw.commons.R;
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import fr.free.nrw.commons.bookmarks.BookmarkListRootFragment;
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import fr.free.nrw.commons.category.GridViewAdapter;
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import fr.free.nrw.commons.databinding.FragmentBookmarksPicturesBinding;
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import fr.free.nrw.commons.utils.NetworkUtils;
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import fr.free.nrw.commons.utils.ViewUtil;
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import io.reactivex.android.schedulers.AndroidSchedulers;
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import io.reactivex.disposables.CompositeDisposable;
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import io.reactivex.schedulers.Schedulers;
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import java.util.List;
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import javax.inject.Inject;
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import timber.log.Timber;
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public class BookmarkPicturesFragment extends DaggerFragment {
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private GridViewAdapter gridAdapter;
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private CompositeDisposable compositeDisposable = new CompositeDisposable();
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private FragmentBookmarksPicturesBinding binding;
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@Inject
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BookmarkPicturesController controller;
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/**
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* Create an instance of the fragment with the right bundle parameters
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* @return an instance of the fragment
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*/
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public static BookmarkPicturesFragment newInstance() {
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return new BookmarkPicturesFragment();
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}
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@Override
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public View onCreateView(
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@NonNull LayoutInflater inflater,
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ViewGroup container,
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Bundle savedInstanceState
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) {
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binding = FragmentBookmarksPicturesBinding.inflate(inflater, container, false);
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return binding.getRoot();
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}
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@Override
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public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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binding.bookmarkedPicturesList.setOnItemClickListener((AdapterView.OnItemClickListener) getParentFragment());
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initList();
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}
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@Override
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public void onStop() {
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super.onStop();
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controller.stop();
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}
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@Override
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public void onDestroy() {
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super.onDestroy();
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compositeDisposable.clear();
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binding = null;
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}
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@Override
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public void onResume() {
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super.onResume();
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if (controller.needRefreshBookmarkedPictures()) {
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binding.bookmarkedPicturesList.setVisibility(GONE);
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if (gridAdapter != null) {
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gridAdapter.clear();
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((BookmarkListRootFragment)getParentFragment()).viewPagerNotifyDataSetChanged();
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}
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initList();
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}
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}
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/**
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* Checks for internet connection and then initializes
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* the recycler view with bookmarked pictures
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*/
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@SuppressLint("CheckResult")
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private void initList() {
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if (!NetworkUtils.isInternetConnectionEstablished(getContext())) {
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handleNoInternet();
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return;
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}
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binding.loadingImagesProgressBar.setVisibility(VISIBLE);
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binding.statusMessage.setVisibility(GONE);
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compositeDisposable.add(controller.loadBookmarkedPictures()
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.subscribeOn(Schedulers.io())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(this::handleSuccess, this::handleError));
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}
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/**
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* Handles the UI updates for no internet scenario
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*/
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private void handleNoInternet() {
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binding.loadingImagesProgressBar.setVisibility(GONE);
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if (gridAdapter == null || gridAdapter.isEmpty()) {
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binding.statusMessage.setVisibility(VISIBLE);
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binding.statusMessage.setText(getString(R.string.no_internet));
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} else {
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ViewUtil.showShortSnackbar(binding.parentLayout, R.string.no_internet);
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}
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}
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/**
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* Logs and handles API error scenario
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* @param throwable
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*/
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private void handleError(Throwable throwable) {
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Timber.e(throwable, "Error occurred while loading images inside a category");
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try{
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ViewUtil.showShortSnackbar(binding.getRoot(), R.string.error_loading_images);
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initErrorView();
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}catch (Exception e){
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e.printStackTrace();
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}
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}
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/**
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* Handles the UI updates for a error scenario
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*/
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private void initErrorView() {
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binding.loadingImagesProgressBar.setVisibility(GONE);
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if (gridAdapter == null || gridAdapter.isEmpty()) {
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binding.statusMessage.setVisibility(VISIBLE);
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binding.statusMessage.setText(getString(R.string.no_images_found));
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} else {
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binding.statusMessage.setVisibility(GONE);
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}
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}
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/**
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* Handles the UI updates when there is no bookmarks
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*/
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private void initEmptyBookmarkListView() {
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binding.loadingImagesProgressBar.setVisibility(GONE);
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if (gridAdapter == null || gridAdapter.isEmpty()) {
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binding.statusMessage.setVisibility(VISIBLE);
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binding.statusMessage.setText(getString(R.string.bookmark_empty));
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} else {
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binding.statusMessage.setVisibility(GONE);
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}
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}
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/**
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* Handles the success scenario
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* On first load, it initializes the grid view. On subsequent loads, it adds items to the adapter
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* @param collection List of new Media to be displayed
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*/
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private void handleSuccess(List<Media> collection) {
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if (collection == null) {
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initErrorView();
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return;
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}
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if (collection.isEmpty()) {
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initEmptyBookmarkListView();
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return;
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}
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if (gridAdapter == null) {
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setAdapter(collection);
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} else {
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if (gridAdapter.containsAll(collection)) {
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binding.loadingImagesProgressBar.setVisibility(GONE);
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binding.statusMessage.setVisibility(GONE);
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binding.bookmarkedPicturesList.setVisibility(VISIBLE);
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binding.bookmarkedPicturesList.setAdapter(gridAdapter);
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return;
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}
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gridAdapter.addItems(collection);
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((BookmarkListRootFragment) getParentFragment()).viewPagerNotifyDataSetChanged();
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}
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binding.loadingImagesProgressBar.setVisibility(GONE);
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binding.statusMessage.setVisibility(GONE);
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binding.bookmarkedPicturesList.setVisibility(VISIBLE);
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}
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/**
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* Initializes the adapter with a list of Media objects
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* @param mediaList List of new Media to be displayed
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*/
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private void setAdapter(List<Media> mediaList) {
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gridAdapter = new GridViewAdapter(
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this.getContext(),
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R.layout.layout_category_images,
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mediaList
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);
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binding.bookmarkedPicturesList.setAdapter(gridAdapter);
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}
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/**
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* It return an instance of gridView adapter which helps in extracting media details
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* used by the gridView
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* @return GridView Adapter
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*/
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public ListAdapter getAdapter() {
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return binding.bookmarkedPicturesList.getAdapter();
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}
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}
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@ -0,0 +1,201 @@
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package fr.free.nrw.commons.bookmarks.pictures
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import android.annotation.SuppressLint
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import android.os.Bundle
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import android.view.LayoutInflater
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import android.view.View
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import android.view.ViewGroup
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import android.widget.AdapterView.OnItemClickListener
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import android.widget.ListAdapter
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import dagger.android.support.DaggerFragment
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import fr.free.nrw.commons.Media
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import fr.free.nrw.commons.R
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import fr.free.nrw.commons.bookmarks.BookmarkListRootFragment
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import fr.free.nrw.commons.category.GridViewAdapter
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import fr.free.nrw.commons.databinding.FragmentBookmarksPicturesBinding
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import fr.free.nrw.commons.utils.NetworkUtils.isInternetConnectionEstablished
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import fr.free.nrw.commons.utils.ViewUtil.showShortSnackbar
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import io.reactivex.android.schedulers.AndroidSchedulers
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import io.reactivex.disposables.CompositeDisposable
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import io.reactivex.functions.Consumer
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import io.reactivex.schedulers.Schedulers
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import timber.log.Timber
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import javax.inject.Inject
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class BookmarkPicturesFragment : DaggerFragment() {
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private var gridAdapter: GridViewAdapter? = null
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private val compositeDisposable = CompositeDisposable()
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private var binding: FragmentBookmarksPicturesBinding? = null
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@JvmField
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@Inject
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var controller: BookmarkPicturesController? = null
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override fun onCreateView(
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inflater: LayoutInflater,
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container: ViewGroup?,
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savedInstanceState: Bundle?
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): View {
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binding = FragmentBookmarksPicturesBinding.inflate(inflater, container, false)
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return binding!!.root
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}
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override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
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super.onViewCreated(view, savedInstanceState)
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binding!!.bookmarkedPicturesList.onItemClickListener =
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parentFragment as OnItemClickListener?
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initList()
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}
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override fun onStop() {
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super.onStop()
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controller!!.stop()
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}
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override fun onDestroy() {
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super.onDestroy()
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compositeDisposable.clear()
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binding = null
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}
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override fun onResume() {
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super.onResume()
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if (controller!!.needRefreshBookmarkedPictures()) {
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binding!!.bookmarkedPicturesList.visibility = View.GONE
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gridAdapter?.let {
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it.clear()
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(parentFragment as BookmarkListRootFragment).viewPagerNotifyDataSetChanged()
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}
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initList()
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}
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}
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/**
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* Checks for internet connection and then initializes
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* the recycler view with bookmarked pictures
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*/
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@SuppressLint("CheckResult")
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private fun initList() {
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if (!isInternetConnectionEstablished(context)) {
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handleNoInternet()
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return
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}
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binding!!.loadingImagesProgressBar.visibility = View.VISIBLE
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binding!!.statusMessage.visibility = View.GONE
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compositeDisposable.add(
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controller!!.loadBookmarkedPictures()
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.subscribeOn(Schedulers.io())
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.observeOn(AndroidSchedulers.mainThread())
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.subscribe(::handleSuccess, ::handleError)
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)
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}
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/**
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* Handles the UI updates for no internet scenario
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*/
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private fun handleNoInternet() {
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binding!!.loadingImagesProgressBar.visibility = View.GONE
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if (gridAdapter == null || gridAdapter!!.isEmpty) {
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binding!!.statusMessage.visibility = View.VISIBLE
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binding!!.statusMessage.text = getString(R.string.no_internet)
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} else {
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showShortSnackbar(binding!!.parentLayout, R.string.no_internet)
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}
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}
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/**
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* Logs and handles API error scenario
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* @param throwable
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*/
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private fun handleError(throwable: Throwable) {
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Timber.e(throwable, "Error occurred while loading images inside a category")
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try {
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showShortSnackbar(binding!!.root, R.string.error_loading_images)
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initErrorView()
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} catch (e: Exception) {
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Timber.e(e)
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}
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}
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/**
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* Handles the UI updates for a error scenario
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*/
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private fun initErrorView() {
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binding!!.loadingImagesProgressBar.visibility = View.GONE
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if (gridAdapter == null || gridAdapter!!.isEmpty) {
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binding!!.statusMessage.visibility = View.VISIBLE
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binding!!.statusMessage.text = getString(R.string.no_images_found)
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} else {
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binding!!.statusMessage.visibility = View.GONE
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}
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}
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/**
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* Handles the UI updates when there is no bookmarks
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*/
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private fun initEmptyBookmarkListView() {
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binding!!.loadingImagesProgressBar.visibility = View.GONE
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if (gridAdapter == null || gridAdapter!!.isEmpty) {
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binding!!.statusMessage.visibility = View.VISIBLE
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binding!!.statusMessage.text = getString(R.string.bookmark_empty)
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} else {
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binding!!.statusMessage.visibility = View.GONE
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}
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}
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/**
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* Handles the success scenario
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* On first load, it initializes the grid view. On subsequent loads, it adds items to the adapter
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* @param collection List of new Media to be displayed
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*/
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private fun handleSuccess(collection: List<Media>?) {
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if (collection == null) {
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initErrorView()
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return
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}
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if (collection.isEmpty()) {
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initEmptyBookmarkListView()
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return
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}
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if (gridAdapter == null) {
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setAdapter(collection)
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} else {
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if (gridAdapter!!.containsAll(collection)) {
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binding!!.loadingImagesProgressBar.visibility = View.GONE
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binding!!.statusMessage.visibility = View.GONE
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binding!!.bookmarkedPicturesList.visibility = View.VISIBLE
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binding!!.bookmarkedPicturesList.adapter = gridAdapter
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return
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}
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gridAdapter!!.addItems(collection)
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(parentFragment as BookmarkListRootFragment).viewPagerNotifyDataSetChanged()
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}
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binding!!.loadingImagesProgressBar.visibility = View.GONE
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binding!!.statusMessage.visibility = View.GONE
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binding!!.bookmarkedPicturesList.visibility = View.VISIBLE
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}
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/**
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* Initializes the adapter with a list of Media objects
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* @param mediaList List of new Media to be displayed
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*/
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private fun setAdapter(mediaList: List<Media>) {
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gridAdapter = GridViewAdapter(
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requireContext(),
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R.layout.layout_category_images,
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mediaList.toMutableList()
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)
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binding?.let { it.bookmarkedPicturesList.adapter = gridAdapter }
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}
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/**
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* It return an instance of gridView adapter which helps in extracting media details
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* used by the gridView
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* @return GridView Adapter
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*/
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fun getAdapter(): ListAdapter? = binding?.bookmarkedPicturesList?.adapter
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}
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@ -88,7 +88,7 @@ class BookmarkPicturesFragmentUnitTests {
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context = ApplicationProvider.getApplicationContext()
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OkHttpConnectionFactory.CLIENT = createTestClient()
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val activity = Robolectric.buildActivity(ProfileActivity::class.java).create().get()
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fragment = BookmarkPicturesFragment.newInstance()
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fragment = BookmarkPicturesFragment()
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val fragmentManager: FragmentManager = activity.supportFragmentManager
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val fragmentTransaction: FragmentTransaction = fragmentManager.beginTransaction()
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fragmentTransaction.add(fragment, null)
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@ -156,13 +156,13 @@ class BookmarkPicturesFragmentUnitTests {
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val method: Method =
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BookmarkPicturesFragment::class.java.getDeclaredMethod("setAdapter", List::class.java)
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method.isAccessible = true
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method.invoke(fragment, mediaList)
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method.invoke(fragment, emptyList<Media>())
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}
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@Test
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@Throws(Exception::class)
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fun testGetAdapter() {
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fragment.adapter
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fragment.getAdapter()
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}
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@Test
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