Java tutorial
/******************************************************************************* * Copyright (c) 2014 Evgeny Gorbin * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. *******************************************************************************/ package com.gorbin.androidsocialnetworksextended.asne; import android.content.DialogInterface; import android.os.Bundle; import android.support.v4.app.Fragment; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ListView; import android.widget.Toast; import com.github.gorbin.asne.core.SocialNetwork; import com.github.gorbin.asne.core.listener.OnCheckIsFriendCompleteListener; import com.github.gorbin.asne.core.listener.OnRequestAddFriendCompleteListener; import com.github.gorbin.asne.core.listener.OnRequestGetFriendsCompleteListener; import com.github.gorbin.asne.core.persons.SocialPerson; import com.gorbin.androidsocialnetworksextended.asne.utils.ADialogs; import com.gorbin.androidsocialnetworksextended.asne.utils.Constants; import java.util.ArrayList; import java.util.List; public class FriendsListFragment extends Fragment implements OnRequestGetFriendsCompleteListener, AdapterView.OnItemClickListener { private SocialNetwork socialNetwork; private ListView listMenu; private int socialNetworkId; private final List<SocialPerson> socialPersons = new ArrayList<SocialPerson>(); private ADialogs editDialog; private ADialogs loadingDialog; public FriendsListFragment() { } public static FriendsListFragment newInstance(int id) { FriendsListFragment fragment = new FriendsListFragment(); Bundle args = new Bundle(); args.putInt(Constants.NETWORK_ID, id); fragment.setArguments(args); return fragment; } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { socialNetworkId = getArguments().getInt(Constants.NETWORK_ID); View rootView = inflater.inflate(R.layout.list_fragment, container, false); if (rootView != null) { listMenu = (ListView) rootView.findViewById(R.id.list); } listMenu.setOnItemClickListener(this); editDialog = new ADialogs(getActivity()); loadingDialog = new ADialogs(getActivity()); loadingDialog.progress(false, "Loading friends..."); ADialogs alert = new ADialogs(getActivity()); if (socialNetworkId == 4) { alert.alert(true, "Facebook me/friends", Constants.facebookFriends, null, "Continue"); } socialNetwork = MainFragment.mSocialNetworkManager.getSocialNetwork(socialNetworkId); socialNetwork.setOnRequestGetFriendsCompleteListener(this); socialNetwork.requestGetFriends(); loadingDialog.showProgress(); setHasOptionsMenu(true); return rootView; } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { super.onCreateOptionsMenu(menu, inflater); if (socialNetworkId != 4 && socialNetworkId != 3) { inflater.inflate(R.menu.friends_list_menu, menu); menu.findItem(R.id.action_add).setIcon(android.R.drawable.ic_menu_add); menu.findItem(R.id.action_search).setIcon(android.R.drawable.ic_menu_search); } if (socialNetworkId == 6 || socialNetworkId == 2) { menu.findItem(R.id.action_add).setVisible(false); menu.findItem(R.id.action_add).setEnabled(false); } } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_add: editDialog.setADialogsEditListener(new ADialogs.ADialogsEditListener() { @Override public void onADialogsPositiveClick(DialogInterface dialog, String text) { if (text != null && !TextUtils.isEmpty(text) && checkUserId(text)) { socialNetwork.requestAddFriend(text, new OnRequestAddFriendCompleteListener() { @Override public void onRequestAddFriendComplete(int socialNetworkID, String userID) { Toast.makeText(getActivity(), userID + " added as friend", Toast.LENGTH_LONG) .show(); socialNetwork.requestGetFriends(); } @Override public void onError(int socialNetworkID, String requestID, String errorMessage, Object data) { Toast.makeText(getActivity(), Constants.handleError(socialNetworkID, requestID, errorMessage), Toast.LENGTH_LONG).show(); } }); } else { Toast.makeText(getActivity(), "You should enter valid Id", Toast.LENGTH_LONG).show(); } } @Override public void onADialogsNegativeClick(DialogInterface dialog) { } @Override public void onADialogsCancel(DialogInterface dialog) { } }); editDialog.editDialog(true, "Add friends by id:", "Add", "Cancel"); return true; case R.id.action_search: editDialog.setADialogsEditListener(new ADialogs.ADialogsEditListener() { @Override public void onADialogsPositiveClick(DialogInterface dialog, String text) { if (text != null && !TextUtils.isEmpty(text) && checkUserId(text)) { socialNetwork.requestCheckIsFriend(text, new OnCheckIsFriendCompleteListener() { @Override public void onCheckIsFriendComplete(int socialNetworkID, String userID, boolean isFriend) { Toast.makeText(getActivity(), "You and " + userID + " are friends - " + isFriend, Toast.LENGTH_LONG).show(); } @Override public void onError(int socialNetworkID, String requestID, String errorMessage, Object data) { Toast.makeText(getActivity(), Constants.handleError(socialNetworkID, requestID, errorMessage), Toast.LENGTH_LONG).show(); } }); } else { Toast.makeText(getActivity(), "You should enter valid Id", Toast.LENGTH_LONG).show(); } } @Override public void onADialogsNegativeClick(DialogInterface dialog) { } @Override public void onADialogsCancel(DialogInterface dialog) { } }); editDialog.editDialog(true, "Check friends by id:", "Search", "Cancel"); return true; default: return super.onOptionsItemSelected(item); } } @Override public void onGetFriendsIdComplete(int socialNetworkID, String[] friendsID) { ((MainActivity) getActivity()).getSupportActionBar().setTitle(friendsID.length + " Friends"); } @Override public void onGetFriendsComplete(int socialNetworkID, List<SocialPerson> socialFriends) { this.socialPersons.clear(); this.socialPersons.addAll(socialFriends); FriendsListAdapter adapter = new FriendsListAdapter(getActivity(), socialFriends, socialNetworkID); listMenu.setAdapter(adapter); loadingDialog.cancelProgress(); } @Override public void onError(int socialNetworkID, String requestID, String errorMessage, Object data) { if (loadingDialog != null) { loadingDialog.cancelProgress(); } Toast.makeText(getActivity(), Constants.handleError(socialNetworkID, requestID, errorMessage), Toast.LENGTH_LONG).show(); } @Override public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) { if (socialNetworkId != 4) { DetailedSocialInfoFragment friends = DetailedSocialInfoFragment.newInstance(socialNetworkId, socialPersons.get(i).id); getActivity().getSupportFragmentManager().beginTransaction().addToBackStack("info") .replace(R.id.container, friends).commit(); } else { Toast.makeText(getActivity(), Constants.socialName[socialNetworkId - 1] + "SocialNetwork " + "can't show custom SocialPerson", Toast.LENGTH_LONG).show(); } } public boolean checkUserId(String userId) { switch (socialNetworkId) { case 1: try { Long d = Long.parseLong(userId); } catch (NumberFormatException nfe) { return false; } return true; case 5: try { int d = Integer.parseInt(userId); } catch (NumberFormatException nfe) { return false; } return true; default: return true; } } }