package com.dw.gamesuduku;
import android.app.Activity;
import android.os.Bundle;
public class About extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.about);
}
}
三、逻辑实现1
package com.dw.gamesuduku;
import android.app.Activity;
import android.app.Dialog;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.widget.Toast;
public class Game extends Activity {
private static final String TAG="Sudoku";
private static final String PREF_PUZZLE="puzzle";
protected static final int DIFFICULTY_CONTINUE=-1;
public static final String KEY_DIFFICULTY="difficulty";
public static final int DIFFICULTY_EASY=0;
public static final int DIFFICULTY_MEDIUM=1;
public static final int DIFFICULTY_HARD=2;
private int puzzle[]=new int[9*9];
private PuzzleView puzzleView;
//三种游戏模式
private static final String easyPuzzle="360000000004230800000004200"+
"070460003820000014500013010"+
"001900000007048300000000045";
private static final String mediumPuzzle="650000070000506000014000005"+
"007009000002314700000700800"+
"500000630000201000030000097";
private static final String hardPuzzle="009000000080605020501078000"+
"000000700706040102004000000"+
"000720903090301080000000600";
private final int used[][][]=new int[9][9][];
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
Log.e(TAG, "onCreate");
int diff=getIntent().getIntExtra(KEY_DIFFICULTY, DIFFICULTY_EASY);
puzzle=getPuzzle(diff);
calculateUsedTiles();
puzzleView=new PuzzleView(this);
setContentView(puzzleView);
puzzleView.requestFocus();
//if the activity is restarted ,do a continue next time
getIntent().putExtra(KEY_DIFFICULTY, DIFFICULTY_CONTINUE);
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
Music.stop(this);
//Save the current puzzle
getPreferences(MODE_PRIVATE).edit().putString(PREF_PUZZLE, toPuzzleString(puzzle)).commit();
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
Music.play(this, R.raw.game);
}
protected int[] getUsedTiles(int x,int y){
return used[x][y];
}
private void calculateUsedTiles() {
// TODO Auto-generated method stub
for (int x = 0; x < 9; x++) {
for (int y = 0; y < 9; y++) {
used[x][y]=calculateUsedTiles(x,y);
}
}
}
private int[] calculateUsedTiles(int x, int y) {
// TODO Auto-generated method stub
int c[]=new int[9];
//horizontal
for(int i=0;i<9;i++){
if(i==y)
continue;
int t=getTitle(x, i);
if(t!=0)
c[t-1]=t;
}
//vertical
for(int i=0;i<9;i++){
if(i==x)
continue;
int t=getTitle(i, y);
if(t!=0)
c[t-1]=t;
}
//same cell block
int startx=(x/3)*3;
int starty=(y/3)*3;
for(int i=startx;i
五、背景音乐
package com.dw.gamesuduku;
import android.content.Context;
import android.media.MediaPlayer;
public class Music {
private static MediaPlayer mp=null;
//stop old song and start a new song
public static void play(Context context,int resource){
stop(context);
if(Settings.getMusic(context)){
mp=MediaPlayer.create(context, resource);
mp.setLooping(true);
mp.start();
}
}
//stop the music
public static void stop(Context context) {
// TODO Auto-generated method stub
if(mp!=null){
mp.stop();
mp.release();
mp=null;
}
}
}
六、逻辑实现2
package com.dw.gamesuduku;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.FontMetrics;
import android.graphics.Paint.Style;
import android.graphics.Rect;
import android.os.Bundle;
import android.os.Parcelable;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.AnimationUtils;
@SuppressLint("DrawAllocation")
public class PuzzleView extends View {
private static final String TAG = "Sudoku";
private final Game game;
private float width;
private float height;
private int selX;
private int selY;
private final Rect selRect = new Rect();
private static final String SELX="selX";
private static final String SELY="selY";
private static final String VIEW_STATE="viewState";
private static final int ID=42;//any positive int num
public PuzzleView(Context context) {
super(context);
this.game = (Game) context;
setFocusable(true);
setFocusableInTouchMode(true);
setId(ID);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
// TODO Auto-generated method stub
width = w / 9f;
height = h / 9f;
getRect(selX, selY, selRect);
Log.d(TAG, "onSizeChanged:width" + width + ",height" + height);
super.onSizeChanged(w, h, oldw, oldh);
}
//实例状态保存在bundle中，保存当前游戏状态
@Override
protected Parcelable onSaveInstanceState() {
// TODO Auto-generated method stub
Parcelable p=super.onSaveInstanceState();
Log.d(TAG, "onSavedInstanceState");
Bundle bundle=new Bundle();
bundle.putInt(SELX, selX);
bundle.putInt(SELY, selY);
bundle.putParcelable(VIEW_STATE, p);
return bundle;
}
//恢复已经保存的信息
@Override
protected void onRestoreInstanceState(Parcelable state) {
// TODO Auto-generated method stub
Log.d(TAG, "onRestoreInstanceState");
Bundle bundle=(Bundle) state;
select(bundle.getInt(SELX),bundle.getInt(SELY));
super.onRestoreInstanceState(bundle.getParcelable(VIEW_STATE));
return;
}
@Override
protected void onDraw(Canvas canvas) {
// TODO Auto-generated method stub
// draw background
Paint background = new Paint();
background.setColor(getResources().getColor(R.color.puzzle_background));
canvas.drawRect(0, 0, getWidth(), getHeight(), background);
// draw board
Paint dark = new Paint();
dark.setColor(getResources().getColor(R.color.puzzle_dark));
Paint hilite = new Paint();
hilite.setColor(getResources().getColor(R.color.puzzle_hilite));
Paint light = new Paint();
light.setColor(getResources().getColor(R.color.puzzle_light));
// draw minor grid lines
for (int i = 0; i < 9; i++) {
canvas.drawLine(0, i * height, getWidth(), i * height, light);
canvas.drawLine(0, i * height + 1, getWidth(), i * height + 1,
hilite);
canvas.drawLine(i * width, 0, i * width, getHeight(), dark);
canvas.drawLine(i * width + 1, 0, i * width + 1, getHeight(),
hilite);
}
// draw major grid lines
for (int i = 0; i < 9; i++) {
if (i % 3 != 0)
continue;
canvas.drawLine(0, i * height, getWidth(), i * height, dark);
canvas.drawLine(0, i * height + 1, getWidth(), i * height + 1,
hilite);
canvas.drawLine(i * width, 0, i * width, getHeight(), dark);
canvas.drawLine(i * width + 1, 0, i * width + 1, getHeight(),
hilite);
}
// draw numbers
Paint foreground = new Paint(Paint.ANTI_ALIAS_FLAG);
foreground.setColor(getResources().getColor(R.color.puzzle_foregroud));
foreground.setStyle(Style.FILL);
foreground.setTextSize(height * 0.75f);
foreground.setTextScaleX(width / height);
foreground.setTextAlign(Paint.Align.CENTER);
// draw num in the center of the tile
FontMetrics fm = foreground.getFontMetrics();
float x = width / 2;
float y = height / 2 - (fm.ascent + fm.descent) / 2;
for (int i = 0; i < 9; i++) {
for (int j = 0; j < 9; j++) {
canvas.drawText(this.game.getTitleString(i, j), i * width + x,
j * height + y, foreground);
}
}
// draw the selection
Log.e(TAG, "selRect=" + selRect);
Paint selected = new Paint();
selected.setColor(getResources().getColor(R.color.puzzle_selected));
canvas.drawRect(selRect, selected);
//draw the hints pick a hint color based on moves left
//根据每个单元格可填的数目给出不同颜色的提示
if(Settings.getHints(getContext())){
Paint hint=new Paint();
int c[]={getResources().getColor(R.color.puzzle_hint_0),
getResources().getColor(R.color.puzzle_hint_1),
getResources().getColor(R.color.puzzle_hint_2),};
Rect r=new Rect();
for (int i = 0; i < 9; i++) {
for (int j = 0; j < 9; j++) {
int movesleft=9-game.getUsedTiles(i, j).length;
if(movesleft
七、游戏设置
package com.dw.gamesuduku;
import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
public class Settings extends Activity {
private static final String OPT_MUSIC="music";
private static final boolean OPT_MUSIC_DEF=true;
private static final String OPT_HINTS="hints";
private static final boolean OPT_HINTS_DEF=true;
@Override
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
getFragmentManager().beginTransaction().replace(android.R.id.content, new PrefsFragement()).commit();
}
public static class PrefsFragement extends PreferenceFragment{
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.settings);
}
}
//get the current music option
public static boolean getMusic(Context context){
return PreferenceManager.getDefaultSharedPreferences(context).getBoolean(OPT_MUSIC,OPT_MUSIC_DEF);
}
//get the current music option
public static boolean getHints(Context context){
return PreferenceManager.getDefaultSharedPreferences(context).getBoolean(OPT_HINTS,OPT_HINTS_DEF);
}
}
八、游戏入口
package com.dw.gamesuduku;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
public class Sudoku extends Activity implements OnClickListener {
private static final String TAG = "Sudoku";
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
View continueButton = this.findViewById(R.id.continue_button);
continueButton.setOnClickListener(this);
View newButton = this.findViewById(R.id.new_button);
newButton.setOnClickListener(this);
View aboutButton = this.findViewById(R.id.about_button);
aboutButton.setOnClickListener(this);
View exitButton = this.findViewById(R.id.exit_button);
exitButton.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.continue_button:
startGame(Game.DIFFICULTY_CONTINUE);
case R.id.about_button:
Intent i = new Intent(this, About.class);
startActivity(i);
break;
case R.id.new_button:
openNewGameDialog();
break;
case R.id.exit_button:
finish();
break;
}
}
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
Music.play(this, R.raw.welcome);
}
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
Music.stop(this);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// TODO Auto-generated method stub
super.onCreateOptionsMenu(menu);
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.menu, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// TODO Auto-generated method stub
switch (item.getItemId()) {
case R.id.settings:
startActivity(new Intent(this, Settings.class));
return true;
}
return false;
}
private void openNewGameDialog() {
// TODO Auto-generated method stub
new AlertDialog.Builder(this).setTitle(R.string.new_game_title)
.setItems(R.array.difficulty,
new DialogInterface.OnClickListener() {
@Override
public void onClick(
DialogInterface dialoginterface, int i) {
// TODO Auto-generated method stub
startGame(i);
}
}).show();
}
protected void startGame(int i) {
// TODO Auto-generated method stub
Log.i(TAG, "clicked on"+i);
Intent intent=new Intent(Sudoku.this,Game.class);
intent.putExtra(Game.KEY_DIFFICULTY, i);
startActivity(intent);
}
}
