Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2016. Nikhil Nayak <nikhilnayak98@gmail.com> * * 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.nikhilnayak.games.octoshootar.ui.fragments; import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.GridView; import com.nikhilnayak.games.octoshootar.ui.dialogfragments.SimpleDialogFragment; import com.nikhilnayak.games.octoshootar.R; import com.nikhilnayak.games.octoshootar.model.PlayerProfile; import com.nikhilnayak.games.octoshootar.model.bonus.Bonus; import com.nikhilnayak.games.octoshootar.model.bonus.BonusEntry; import com.nikhilnayak.games.octoshootar.model.bonus.BonusEntryFactory; import com.nikhilnayak.games.octoshootar.model.inventory.InventoryItemInformation; import com.nikhilnayak.games.octoshootar.model.mode.GameMode; import com.nikhilnayak.games.octoshootar.ui.adapter.BonusEntryAdapter; public class BonusFragment extends Fragment implements View.OnClickListener { public static final String EXTRA_GAME_MODE = "BonusFragment.Extra.GameMode"; private Listener mListener; private GridView mBonusGridView; private BonusEntryAdapter mBonusEntryAdapter; private PlayerProfile mPlayerProfile; private GameMode mGameMode; public static BonusFragment newInstance(GameMode gameMode) { final BonusFragment f = new BonusFragment(); final Bundle arguments = new Bundle(); arguments.putParcelable(EXTRA_GAME_MODE, gameMode); f.setArguments(arguments); return f; } /** * Default Constructor. * <p/> * lint [ValidFragment] * http://developer.android.com/reference/android/app/Fragment.html#Fragment() * Every fragment must have an empty constructor, so it can be instantiated when restoring its activity's state. */ public BonusFragment() { } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Bundle arguments = getArguments(); if (arguments.containsKey(EXTRA_GAME_MODE)) { mGameMode = (GameMode) getArguments().get(EXTRA_GAME_MODE); } } @Override public void onResume() { super.onResume(); //TODO beurk, to rework mBonusEntryAdapter = new BonusEntryAdapter(getActivity(), new BonusEntry[] { BonusEntryFactory.create(InventoryItemInformation.TYPE_STEEL_BULLET, mPlayerProfile.getSteelBulletQuantity()), BonusEntryFactory.create(InventoryItemInformation.TYPE_GOLD_BULLET, mPlayerProfile.getGoldBulletQuantity()), BonusEntryFactory.create(InventoryItemInformation.TYPE_ONE_SHOT_BULLET, mPlayerProfile.getOneShotBulletQuantity()), BonusEntryFactory.create(InventoryItemInformation.TYPE_SPEED_POTION, mPlayerProfile.getSpeedPotionQuantity()), }); mBonusGridView.setAdapter(mBonusEntryAdapter); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View v = inflater.inflate(R.layout.fragment_bonus, container, false); mBonusGridView = ((GridView) v.findViewById(R.id.bonus_grid_view)); v.findViewById(R.id.bonus_start).setOnClickListener(this); v.findViewById(R.id.fragment_bonus_btn_help).setOnClickListener(this); return v; } @Override public void onAttach(Activity activity) { super.onAttach(activity); if (activity instanceof BonusFragment.Listener) { mListener = (BonusFragment.Listener) activity; mPlayerProfile = new PlayerProfile( activity.getSharedPreferences(PlayerProfile.SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE)); } else { throw new ClassCastException(activity.toString() + " must implement BonusFragment.Listener"); } } @Override public void onDetach() { super.onDetach(); mListener = null; } @Override public void onClick(View v) { final int viewId = v.getId(); if (viewId == R.id.fragment_bonus_btn_help) { showHelpMessage(); } else if (viewId == R.id.bonus_start) { startGame(); } } private void startGame() { final Bonus equippedBonus = mBonusEntryAdapter.getEquippedBonus(); mGameMode.setBonus(equippedBonus); mListener.onGameStartRequest(mGameMode); } private void showHelpMessage() { SimpleDialogFragment.newInstance(R.string.bonus_help_title, R.string.bonus_help_message) .show(getFragmentManager(), null); } public interface Listener { public void onGameStartRequest(GameMode gameMode); } }