Java tutorial
/******************************************************************************* * Copyright (c) 2015 hsousa. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v2.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html ******************************************************************************/ package com.aptoide.amethyst.ui; import android.content.Intent; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v7.widget.LinearLayoutManager; import android.view.LayoutInflater; import android.view.Menu; import android.view.View; import android.view.ViewGroup; import com.aptoide.amethyst.R; import com.aptoide.amethyst.dialogs.AdultHiddenDialog; import com.aptoide.amethyst.dialogs.AptoideDialog; import com.aptoide.amethyst.models.EnumStoreTheme; import com.aptoide.amethyst.ui.listeners.EndlessRecyclerOnScrollListener; import com.aptoide.amethyst.utils.AptoideUtils; import com.aptoide.dataprovider.webservices.models.Constants; import com.aptoide.dataprovider.webservices.models.StoreHomeTab; import com.aptoide.models.displayables.ProgressBarRow; import com.octo.android.robospice.persistence.DurationInMillis; import com.octo.android.robospice.persistence.exception.SpiceException; import com.octo.android.robospice.request.listener.RequestListener; import com.aptoide.amethyst.SearchActivity; import com.aptoide.amethyst.adapter.BaseAdapter; import com.aptoide.amethyst.adapter.main.HomeTabAdapter; import com.aptoide.amethyst.fragments.store.BaseWebserviceFragment; /** * This Activity shows Apps and Stores */ public class MoreListViewItemsActivity extends MoreActivity { private String storeName; private EnumStoreTheme storeTheme; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); storeTheme = (EnumStoreTheme) getIntent().getExtras().get(SearchActivity.SEARCH_THEME); storeName = getIntent().getStringExtra(SearchActivity.SEARCH_SOURCE); } @Override protected Fragment getFragment(Bundle args) { Fragment fragment = MoreListViewItemsFragment.newInstance(); fragment.setArguments(args); return fragment; } @Override public void startActivity(Intent intent) { if (Intent.ACTION_SEARCH.equals(intent.getAction())) { intent.putExtra(SearchActivity.SEARCH_SOURCE, storeName); intent.putExtra(SearchActivity.SEARCH_THEME, storeTheme); } super.startActivity(intent); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu_main, menu); SearchManager.setupSearch(menu, this); return super.onCreateOptionsMenu(menu); } public static class MoreListViewItemsFragment extends BaseWebserviceFragment { String eventActionUrl; String storeName; boolean mLoading = false; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { Bundle args = getArguments(); eventActionUrl = args.getString("eventActionUrl"); storeName = args.getString(SearchActivity.SEARCH_SOURCE); return super.onCreateView(inflater, container, savedInstanceState); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); getRecyclerView().addOnScrollListener(new EndlessRecyclerOnScrollListener( (LinearLayoutManager) getRecyclerView().getLayoutManager()) { @Override public int getOffset() { return offset; } @Override public boolean isLoading() { return mLoading; } @Override public void onLoadMore() { if (offset < total) { mLoading = true; displayableList.add(new ProgressBarRow(BUCKET_SIZE)); adapter.notifyItemInserted(adapter.getItemCount()); executeEndlessSpiceRequest(); } } }); } public static Fragment newInstance() { return new MoreListViewItemsFragment(); } @Override protected void executeSpiceRequest(boolean useCache) { this.useCache = useCache; this.offset = useCache ? offset : 0; long cacheExpiryDuration = useCache ? DurationInMillis.ONE_HOUR * 6 : DurationInMillis.ALWAYS_EXPIRED; spiceManager.execute( AptoideUtils.RepoUtils.buildViewItemsRequest(storeName, eventActionUrl, getLayoutMode(), offset), getBaseContext() + parseActionUrlIntoCacheKey(eventActionUrl) + getStoreId() + BUCKET_SIZE + AptoideUtils.getSharedPreferences().getBoolean(Constants.MATURE_CHECK_BOX, false), cacheExpiryDuration, listener); } protected void executeEndlessSpiceRequest() { long cacheExpiryDuration = useCache ? DurationInMillis.ONE_HOUR * 6 : DurationInMillis.ALWAYS_EXPIRED; spiceManager.execute( AptoideUtils.RepoUtils.buildViewItemsRequest(storeName, eventActionUrl, getLayoutMode(), offset), getBaseContext() + parseActionUrlIntoCacheKey(eventActionUrl) + getStoreId() + BUCKET_SIZE + AptoideUtils.getSharedPreferences().getBoolean(Constants.MATURE_CHECK_BOX, false) + offset, cacheExpiryDuration, new RequestListener<StoreHomeTab>() { @Override public void onRequestFailure(SpiceException spiceException) { handleErrorCondition(spiceException); } @Override public void onRequestSuccess(StoreHomeTab tab) { if (getView() == null) { return; } if (mLoading && !displayableList.isEmpty()) { displayableList.remove(displayableList.size() - 1); adapter.notifyItemRemoved(displayableList.size()); } int index = displayableList.size(); displayableList.addAll(tab.list); adapter.notifyItemRangeInserted(index, tab.list.size()); // total and new offset is red here offset = tab.offset; total = tab.total; mLoading = false; // check for hidden items if (tab.hidden > 0 && AptoideUtils.getSharedPreferences().getBoolean(Constants.SHOW_ADULT_HIDDEN, true) && getFragmentManager() .findFragmentByTag(Constants.HIDDEN_ADULT_DIALOG) == null) { AdultHiddenDialog dialog = new AdultHiddenDialog(); AptoideDialog.showDialogAllowingStateLoss(dialog, getFragmentManager(), Constants.HIDDEN_ADULT_DIALOG); } } }); } @Override protected BaseAdapter getAdapter() { return new HomeTabAdapter(displayableList, getFragmentManager(), getStoreTheme(), getStoreName()); } @Override protected String getBaseContext() { return "GetMoreListApps"; } protected String getLayoutMode() { return Constants.LAYOUT_GRID; } @Override public void onDestroyView() { super.onDestroyView(); } } }