Java tutorial
/* * Copyright 2013 Simon Willeke * contact: hamstercount@hotmail.com */ /* This file is part of Blockinger. Blockinger is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Blockinger is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Blockinger. If not, see <http://www.gnu.org/licenses/>. Diese Datei ist Teil von Blockinger. Blockinger ist Freie Software: Sie knnen es unter den Bedingungen der GNU General Public License, wie von der Free Software Foundation, Version 3 der Lizenz oder (nach Ihrer Option) jeder spteren verffentlichten Version, weiterverbreiten und/oder modifizieren. Blockinger wird in der Hoffnung, dass es ntzlich sein wird, aber OHNE JEDE GEWHELEISTUNG, bereitgestellt; sogar ohne die implizite Gewhrleistung der MARKTFHIGKEIT oder EIGNUNG FR EINEN BESTIMMTEN ZWECK. Siehe die GNU General Public License fr weitere Details. Sie sollten eine Kopie der GNU General Public License zusammen mit diesem Programm erhalten haben. Wenn nicht, siehe <http://www.gnu.org/licenses/>. */ package org.blockinger.game.activities; import org.blockinger.game.R; import org.blockinger.game.components.GameState; import org.blockinger.game.components.Sound; import org.blockinger.game.db.HighscoreOpenHelper; import org.blockinger.game.db.ScoreDataSource; import android.net.Uri; import android.os.Bundle; import android.preference.PreferenceManager; import android.app.AlertDialog; import android.app.ListActivity; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.database.Cursor; import android.support.v4.widget.SimpleCursorAdapter; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.SeekBar; import android.widget.Button; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.TextView; public class MainActivity extends ListActivity { public static final int SCORE_REQUEST = 0x0; /** This key is used to access the player name, which is returned as an Intent from the gameactivity upon completion (gameover). * The Package Prefix is mandatory for Intent data */ public static final String PLAYERNAME_KEY = "org.blockinger.game.activities.playername"; /** This key is used to access the player name, which is returned as an Intent from the gameactivity upon completion (gameover). * The Package Prefix is mandatory for Intent data */ public static final String SCORE_KEY = "org.blockinger.game.activities.score"; public ScoreDataSource datasource; private SimpleCursorAdapter adapter; private AlertDialog.Builder startLevelDialog; private AlertDialog.Builder donateDialog; private int startLevel; private View dialogView; private SeekBar leveldialogBar; private TextView leveldialogtext; private Sound sound; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); PreferenceManager.setDefaultValues(this, R.xml.simple_preferences, true); PreferenceManager.setDefaultValues(this, R.xml.advanced_preferences, true); /* Create Music */ sound = new Sound(this); sound.startMusic(Sound.MENU_MUSIC, 0); /* Database Management */ Cursor mc; datasource = new ScoreDataSource(this); datasource.open(); mc = datasource.getCursor(); // Use the SimpleCursorAdapter to show the // elements in a ListView adapter = new SimpleCursorAdapter((Context) this, R.layout.blockinger_list_item, mc, new String[] { HighscoreOpenHelper.COLUMN_SCORE, HighscoreOpenHelper.COLUMN_PLAYERNAME }, new int[] { R.id.text1, R.id.text2 }, SimpleCursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER); setListAdapter(adapter); /* Create Startlevel Dialog */ startLevel = 0; startLevelDialog = new AlertDialog.Builder(this); startLevelDialog.setTitle(R.string.startLevelDialogTitle); startLevelDialog.setCancelable(false); startLevelDialog.setNegativeButton(R.string.startLevelDialogCancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); startLevelDialog.setPositiveButton(R.string.startLevelDialogStart, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { MainActivity.this.start(); } }); /* Create Donate Dialog */ donateDialog = new AlertDialog.Builder(this); donateDialog.setTitle(R.string.pref_donate_title); donateDialog.setMessage(R.string.pref_donate_summary); donateDialog.setNegativeButton(R.string.startLevelDialogCancel, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }); donateDialog.setPositiveButton(R.string.donate_button, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { String url = getResources().getString(R.string.donation_url); Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(url)); startActivity(i); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case R.id.action_settings: Intent intent = new Intent(this, SettingsActivity.class); startActivity(intent); return true; case R.id.action_about: Intent intent1 = new Intent(this, AboutActivity.class); startActivity(intent1); return true; case R.id.action_donate: donateDialog.show(); return true; case R.id.action_help: Intent intent2 = new Intent(this, HelpActivity.class); startActivity(intent2); return true; case R.id.action_exit: GameState.destroy(); MainActivity.this.finish(); return true; default: return super.onOptionsItemSelected(item); } } public void start() { Intent intent = new Intent(this, GameActivity.class); Bundle b = new Bundle(); b.putInt("mode", GameActivity.NEW_GAME); //Your id b.putInt("level", startLevel); //Your id b.putString("playername", ((TextView) findViewById(R.id.nicknameEditView)).getText().toString()); //Your id intent.putExtras(b); //Put your id to your next Intent startActivityForResult(intent, SCORE_REQUEST); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode != SCORE_REQUEST) return; if (resultCode != RESULT_OK) return; String playerName = data.getStringExtra(PLAYERNAME_KEY); long score = data.getLongExtra(SCORE_KEY, 0); datasource.open(); datasource.createScore(score, playerName); } public void onClickStart(View view) { dialogView = getLayoutInflater().inflate(R.layout.seek_bar_dialog, null); leveldialogtext = ((TextView) dialogView.findViewById(R.id.leveldialogleveldisplay)); leveldialogBar = ((SeekBar) dialogView.findViewById(R.id.levelseekbar)); leveldialogBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() { @Override public void onProgressChanged(SeekBar arg0, int arg1, boolean arg2) { leveldialogtext.setText("" + arg1); startLevel = arg1; } @Override public void onStartTrackingTouch(SeekBar arg0) { } @Override public void onStopTrackingTouch(SeekBar arg0) { } }); leveldialogBar.setProgress(startLevel); leveldialogtext.setText("" + startLevel); startLevelDialog.setView(dialogView); startLevelDialog.show(); } public void onClickResume(View view) { Intent intent = new Intent(this, GameActivity.class); Bundle b = new Bundle(); b.putInt("mode", GameActivity.RESUME_GAME); //Your id b.putString("playername", ((TextView) findViewById(R.id.nicknameEditView)).getText().toString()); //Your id intent.putExtras(b); //Put your id to your next Intent startActivityForResult(intent, SCORE_REQUEST); } @Override protected void onPause() { super.onPause(); sound.pause(); sound.setInactive(true); }; @Override protected void onStop() { super.onStop(); sound.pause(); sound.setInactive(true); datasource.close(); }; @Override protected void onDestroy() { super.onDestroy(); sound.release(); sound = null; datasource.close(); }; @Override protected void onResume() { super.onResume(); sound.setInactive(false); sound.resume(); datasource.open(); Cursor cursor = datasource.getCursor(); adapter.changeCursor(cursor); if (!GameState.isFinished()) { ((Button) findViewById(R.id.resumeButton)).setEnabled(true); ((Button) findViewById(R.id.resumeButton)).setTextColor(getResources().getColor(R.color.square_error)); } else { ((Button) findViewById(R.id.resumeButton)).setEnabled(false); ((Button) findViewById(R.id.resumeButton)).setTextColor(getResources().getColor(R.color.holo_grey)); } }; }