增加的代碼
private static final String INSTANCE="instance";
private static final String INSTANCE_GAME_OVER="instance_game_over";
private static final String INSTANCE_WHITE_ARRAY="instance_white_array";
private static final String INSTANCE_BLACK_ARRAY="instance_black_array";
@Override
protected Parcelable onSaveInstanceState() {
Bundle bundle=new Bundle();
bundle.putParcelable(INSTANCE,super.onSaveInstanceState());
bundle.putBoolean(INSTANCE_GAME_OVER,mIsGameOver);
bundle.putParcelableArrayList(INSTANCE_WHITE_ARRAY,mWhiteArray);
bundle.putParcelableArrayList(INSTANCE_BLACK_ARRAY,mBlackArray);
return bundle;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if(state instanceof Bundle){
Bundle bundle= (Bundle) state;
mIsGameOver=bundle.getBoolean(INSTANCE_GAME_OVER);
mWhiteArray=bundle.getParcelableArrayList(INSTANCE_WHITE_ARRAY);
mBlackArray=bundle.getParcelableArrayList(INSTANCE_BLACK_ARRAY);
super.onRestoreInstanceState(bundle.getParcelable(INSTANCE));
return;
}
super.onRestoreInstanceState(state);
}
<myapplication4.xt.com.wuziqidemo.WuziqiPanel
android:id="@+id/wuziqi"
android:layout_width="match_parent"
android:layout_centerInParent="true"
android:layout_height="match_parent"
/>
完整代碼
package myapplication4.xt.com.wuziqidemo;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Point;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.List;
/**
* Created by TONG on 2017/6/7.
*/
public class WuziqiPanel extends View {
//棋盤寬度
private int mPanelWidth;
//每格行高
private float mLineHeight;
//格子數
private int MAX_LINE=10;
private Paint mPaint=new Paint();
private Bitmap mWhitePiece;
private Bitmap mBlackPiece;
//棋子的大小比例
private float ratioPieceOfLineHeigh=3*1.0f/4;
//白棋先走抵知，當前輪到白棋
private boolean mIsWhite=true;
private ArrayList<Point> mWhiteArray=new ArrayList<>();
private ArrayList<Point> mBlackArray=new ArrayList<>();
private boolean mIsGameOver;
private boolean mIsWhiteWinner;
private int MAX_COUNT_IN_LINE=5;
public WuziqiPanel(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
setBackgroundColor(0x44ff0000);
//初始化
init();
}
private void init() {
mPaint.setColor(0x88000000);
//抗鋸齒
mPaint.setAntiAlias(true);
//防抖動
mPaint.setDither(true);
//畫筆為空心
mPaint.setStyle(Paint.Style.STROKE);
mWhitePiece= BitmapFactory.decodeResource(getResources(),R.drawable.stone_w2);
mBlackPiece=BitmapFactory.decodeResource(getResources(),R.drawable.stone_b1);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int widthSize=MeasureSpec.getSize(widthMeasureSpec);
int widthMode=MeasureSpec.getMode(widthMeasureSpec);
int heightSize=MeasureSpec.getSize(heightMeasureSpec);
int heightMode=MeasureSpec.getMode(heightMeasureSpec);
int width=Math.min(widthSize,heightSize);
//嵌套在scrollow中寬度或高度不確定
if(widthMode==MeasureSpec.UNSPECIFIED){
width=heightSize;
}else if(heightMode==MeasureSpec.UNSPECIFIED){
width=widthSize;
}
setMeasuredDimension(width,width);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
//設置棋盤寬度
mPanelWidth=w;
//設置格子線的高度
mLineHeight=mPanelWidth*1.0f/MAX_LINE;
//棋子寬度
int pieceWidth= (int) (mLineHeight*ratioPieceOfLineHeigh);
mWhitePiece=Bitmap.createScaledBitmap(mWhitePiece,pieceWidth,pieceWidth,false);
mBlackPiece=Bitmap.createScaledBitmap(mBlackPiece,pieceWidth,pieceWidth, false);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if(mIsGameOver) return false;
int action = event.getAction();
//不能ACTION_DOWN 因為如果棋盤是可滾動的 在滾動過程中也會執(zhí)行此事件
if(action==MotionEvent.ACTION_UP){
int x= (int) event.getX();
int y= (int) event.getY();
Point p=getValidPoint(x,y);
if(mWhiteArray.contains(p)||mBlackArray.contains(p)){
return false;
}
if(mIsWhite){
mWhiteArray.add(p);
}else {
mBlackArray.add(p);
}
invalidate();
mIsWhite=!mIsWhite;
return true;
}
return true;
}
/**
* 獲取點擊在合理范圍的點
* @param x
* @param y
* @return
*/
private Point getValidPoint(int x, int y) {
return new Point((int)(x/mLineHeight),(int)(y/mLineHeight));
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
drawBoard(canvas);
drawPiece(canvas);
checkGameOver();
}
private void checkGameOver() {
boolean whiteWin=checkFiveInLine(mWhiteArray);
boolean blackWin=checkFiveInLine(mBlackArray);
if(whiteWin||blackWin){
mIsGameOver=true;
mIsWhiteWinner=whiteWin;
String text=mIsWhiteWinner?"白棋勝利":"黑棋勝利";
Toast.makeText(getContext(), text, Toast.LENGTH_SHORT).show();
}
}
private boolean checkFiveInLine(List<Point> points) {
for(Point p:points){
int x=p.x;
int y=p.y;
boolean win=checkHorizontal(x,y,points);
if(win) return true;
win=checkVertical(x,y,points);
if(win) return true;
win=checkLeftDiagonal(x,y,points);
if(win) return true;
win=checkRightDiagonal(x,y,points);
if(win) return true;
}
return false;
}
/**
* 判斷x,y位置的棋子，是否橫向有相鄰的五個一致
* @param x
* @param y
* @param points
* @return
*/
private boolean checkHorizontal(int x, int y, List<Point> points) {
int count=1;
//左邊
for(int i=1;i<MAX_COUNT_IN_LINE;i++){
if(points.contains(new Point(x-i,y))){
count++;
}else {
break;
}
}
//右邊
for(int i=1;i<MAX_COUNT_IN_LINE;i++){
if(points.contains(new Point(x+i,y))){
count++;
}else {
break;
}
}
if(count==MAX_COUNT_IN_LINE) return true;
return false;
}
/**
* 判斷x,y位置的棋子履肃，是否縱向有相鄰的五個一致
* @param x
* @param y
* @param points
* @return
*/
private boolean checkVertical(int x, int y, List<Point> points) {
int count=1;
//上
for(int i=1;i<MAX_COUNT_IN_LINE;i++){
if(points.contains(new Point(x,y-i))){
count++;
}else {
break;
}
}
//下
for(int i=1;i<MAX_COUNT_IN_LINE;i++){
if(points.contains(new Point(x,y+i))){
count++;
}else {
break;
}
}
if(count==MAX_COUNT_IN_LINE) return true;
return false;
}
/**
* 判斷x,y位置的棋子潭千，是否左斜有相鄰的五個一致
* @param x
* @param y
* @param points
* @return
*/
private boolean checkLeftDiagonal(int x, int y, List<Point> points) {
int count=1;
//上
for(int i=1;i<MAX_COUNT_IN_LINE;i++){
if(points.contains(new Point(x-i,y+i))){
count++;
}else {
break;
}
}
//下
for(int i=1;i<MAX_COUNT_IN_LINE;i++){
if(points.contains(new Point(x+i,y-i))){
count++;
}else {
break;
}
}
if(count==MAX_COUNT_IN_LINE) return true;
return false;
}
/**
* 判斷x,y位置的棋子渺氧，是否右斜有相鄰的五個一致
* @param x
* @param y
* @param points
* @return
*/
private boolean checkRightDiagonal(int x, int y, List<Point> points) {
int count=1;
//上
for(int i=1;i<MAX_COUNT_IN_LINE;i++){
if(points.contains(new Point(x-i,y-i))){
count++;
}else {
break;
}
}
//下
for(int i=1;i<MAX_COUNT_IN_LINE;i++){
if(points.contains(new Point(x+i,y+i))){
count++;
}else {
break;
}
}
if(count==MAX_COUNT_IN_LINE) return true;
return false;
}
private void drawPiece(Canvas canvas) {
for(int i=0,n=mWhiteArray.size();i<n;i++){
Point whitePoint=mWhiteArray.get(i);
canvas.drawBitmap(mWhitePiece,
(whitePoint.x+(1-ratioPieceOfLineHeigh)/2)*mLineHeight,
(whitePoint.y+(1-ratioPieceOfLineHeigh)/2)*mLineHeight,null);
}
for(int i=0,n=mBlackArray.size();i<n;i++){
Point blackPiece=mBlackArray.get(i);
canvas.drawBitmap(mBlackPiece,
(blackPiece.x+(1-ratioPieceOfLineHeigh)/2)*mLineHeight,
(blackPiece.y+(1-ratioPieceOfLineHeigh)/2)*mLineHeight,null);
}
}
private void drawBoard(Canvas canvas) {
int w=mPanelWidth;
float lineHeight=mLineHeight;
for(int i=0;i<MAX_LINE;i++){
int startX= (int) (lineHeight/2);
int endX= (int) (w-lineHeight/2);
int y= (int) ((0.5+i)*lineHeight);
//畫豎線
canvas.drawLine(startX,y,endX,y,mPaint);
//畫橫線
canvas.drawLine(y,startX,y,endX,mPaint);
}
}
private static final String INSTANCE="instance";
private static final String INSTANCE_GAME_OVER="instance_game_over";
private static final String INSTANCE_WHITE_ARRAY="instance_white_array";
private static final String INSTANCE_BLACK_ARRAY="instance_black_array";
@Override
protected Parcelable onSaveInstanceState() {
Bundle bundle=new Bundle();
bundle.putParcelable(INSTANCE,super.onSaveInstanceState());
bundle.putBoolean(INSTANCE_GAME_OVER,mIsGameOver);
bundle.putParcelableArrayList(INSTANCE_WHITE_ARRAY,mWhiteArray);
bundle.putParcelableArrayList(INSTANCE_BLACK_ARRAY,mBlackArray);
return bundle;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if(state instanceof Bundle){
Bundle bundle= (Bundle) state;
mIsGameOver=bundle.getBoolean(INSTANCE_GAME_OVER);
mWhiteArray=bundle.getParcelableArrayList(INSTANCE_WHITE_ARRAY);
mBlackArray=bundle.getParcelableArrayList(INSTANCE_BLACK_ARRAY);
super.onRestoreInstanceState(bundle.getParcelable(INSTANCE));
return;
}
super.onRestoreInstanceState(state);
}
}
