之前是在eclipse上寫的，后面換成了android sudio。

2048游戲的UI整體可以采用線性布局，即LinearLayout，其中嵌套一個線性布局和一個GridLayout，內嵌的線性布局填充文本框，以顯示分數，GridLayout中填充4×4的繼承自FrameLayout的card類作為主要的游戲界面。由于大部分操作都在GridLayout中進行，可以自定義一個繼承自GridLayout的類GameView，類中定義判定上下左右滑動的方法和每次滑動后自動添加一個隨機數字的方法以及每次滑動后判斷游戲是否可以繼續進行的方法。

主布局activity_main.xml代碼如下

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@+id/container"//match_parent表示布局充滿整個屏幕android:layout_width="match_parent"android:layout_height="match_parent"tools:context="com.example.administractor.game2048.MainActivity"//里面的組件垂直放置android:orientation="vertical"tools:ignore="MergeRootFrame"><LinearLayout//寬度充滿整個屏幕，高度自適應。android:layout_width="fill_parent"android:layout_height="wrap_content"android:orientation="horizontal" >//顯示當前分數的文本框<TextView android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="Your Score:"/><TextViewandroid:id="@+id/tvScore"android:layout_width="wrap_content"android:layout_height="wrap_content"/></LinearLayout>//使用自定義的GridLayout<com.example.administractor.game2048.GameViewandroid:layout_width="fill_parent"android:layout_height="0dp"android:layout_weight="1"android:id="@+id/GameView" ></com.example.administractor.game2048.GameView> </LinearLayout>

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<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android" ????xmlns:tools="http://schemas.android.com/tools" ????android:id="@+id/container" ????//match_parent表示布局充滿整個屏幕 ????android:layout_width="match_parent" ????android:layout_height="match_parent" ????tools:context="com.example.administractor.game2048.MainActivity" ????//里面的組件垂直放置 ????android:orientation="vertical" ????tools:ignore="MergeRootFrame"> ????<LinearLayout ????//寬度充滿整個屏幕，高度自適應。 ????????android:layout_width="fill_parent" ????????android:layout_height="wrap_content" ????????android:orientation="horizontal"> ????????//顯示當前分數的文本框 ????????<TextViewandroid:layout_width="wrap_content" ????????????android:layout_height="wrap_content" ????????????android:text="Your Score:"/> ????????<TextView ????????????android:id="@+id/tvScore" ????????????android:layout_width="wrap_content" ????????????android:layout_height="wrap_content"/> ????</LinearLayout> ????//使用自定義的GridLayout ????<com.example.administractor.game2048.GameView ????????android:layout_width="fill_parent" ????????android:layout_height="0dp" ????????android:layout_weight="1" ????????android:id="@+id/GameView"> ????</com.example.administractor.game2048.GameView> </LinearLayout>

GameView.java：

packagecom.example.administrator.game2048;import java.util.ArrayList; import java.util.List;import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.graphics.Point; import android.util.AttributeSet; import android.view.MotionEvent; import android.view.View; import android.widget.GridLayout;public class GameView extends GridLayout { //調用類構造方法public GameView(Context context, AttributeSet attrs, int defStyle) {super(context, attrs, defStyle);//初始化游戲InitGameView();}public GameView(Context context, AttributeSet attrs) {super(context, attrs);InitGameView();}public GameView(Context context) {super(context);InitGameView();}private void InitGameView(){//設置為4x4個方格setColumnCount(4);//設置背景顏色setBackgroundColor(0xffeee4da);//判定滑動方向setOnTouchListener(new OnTouchListener() {private float startx,starty,offsetx,offsety;@Overridepublic boolean onTouch(View v, MotionEvent event) {switch(event.getAction()){case MotionEvent.ACTION_DOWN:startx=event.getX();starty=event.getY();break;case MotionEvent.ACTION_UP:offsetx=event.getX()-startx;offsety=event.getY()-starty;if(Math.abs(offsetx)>Math.abs(offsety)){if(offsetx<-5){swipeLeft();}else if(offsetx>5){swipeRight();}}else{if(offsety<-5){swipeUp();}else if(offsetx>3){swipeDown();}}break;}return true;}});}//適應不同大小的屏幕@Overrideprotected void onSizeChanged(int w, int h, int oldw, int oldh) {super.onSizeChanged(w, h, oldw, oldh);int cardWidth=(Math.min(h, w))/4;addCards(cardWidth,cardWidth);startGame();}//在4x4的方格上添加滿卡片public void addCards(int cardwidth,int cardheight){Card c;for (int y = 0; y < 4; y++) {for (int x = 0; x < 4; x++) {c=new Card(getContext());c.setNum(0);addView(c, cardwidth, cardheight);cardmap[x][y]=c;}}}//游戲開始時每個卡片默認值設為0，并隨機添加兩張帶數字的卡片private void startGame(){MainActivity.getMainActivity().clearScore();for (int y = 0; y < 4; y++) {for (int x = 0; x < 4; x++) {cardmap[x][y].setNum(0);}}addRandomNum();addRandomNum();}private void addRandomNum() {//使用emptypoints將數字為0的card提取出來，并隨即選擇一個空card賦值emptyPoints.clear();for (int y = 0; y < 4; y++) {for (int x = 0; x < 4; x++) {if(cardmap[x][y].getNum()<=0){emptyPoints.add(new Point(x,y));}}}Point p=emptyPoints.remove((int)(Math.random()*emptyPoints.size()));//2和4出現的概率控制在1：9cardmap[p.x][p.y].setNum(Math.random()>0.1?2:4);}//左滑方法private void swipeLeft(){//merge作為判斷能否滑動的flagboolean merge = false;for (int y = 0; y < 4; y++) {for (int x = 0; x < 4; x++) {for (int x1 = x+1; x1 <4; x1++) {if(cardmap[x1][y].getNum()>0){if(cardmap[x][y].getNum()<=0){cardmap[x][y].setNum(cardmap[x1][y].getNum());cardmap[x1][y].setNum(0);merge=true;x--;}else if(cardmap[x][y].equal(cardmap[x1][y])){cardmap[x][y].setNum(cardmap[x][y].getNum()*2);cardmap[x1][y].setNum(0);MainActivity.getMainActivity().addScore(cardmap[x][y].getNum());merge=true;}break;}}}}if(merge){addRandomNum();checkComplete();}}//下滑private void swipeDown(){boolean merge = false;for (int x = 0; x < 4; x++) {for (int y = 3; y >=0; y--) {for (int y1 = y-1; y1 >=0; y1--) {if (cardmap[x][y1].getNum()>0) {if (cardmap[x][y].getNum()<=0) {cardmap[x][y].setNum(cardmap[x][y1].getNum());cardmap[x][y1].setNum(0);y++;merge = true;}else if (cardmap[x][y].equal(cardmap[x][y1])) {cardmap[x][y].setNum(cardmap[x][y].getNum()*2);cardmap[x][y1].setNum(0);MainActivity.getMainActivity().addScore(cardmap[x][y].getNum());merge = true;}break;}}}}if (merge) {addRandomNum();checkComplete();}}//上滑private void swipeUp(){boolean merge = false;for (int x = 0; x < 4; x++) {for (int y = 0; y < 4; y++) {for (int y1 = y+1; y1 < 4; y1++) {if (cardmap[x][y1].getNum()>0) {if (cardmap[x][y].getNum()<=0) {cardmap[x][y].setNum(cardmap[x][y1].getNum());cardmap[x][y1].setNum(0);y--;merge = true;}else if (cardmap[x][y].equal(cardmap[x][y1])) {cardmap[x][y].setNum(cardmap[x][y].getNum()*2);cardmap[x][y1].setNum(0);MainActivity.getMainActivity().addScore(cardmap[x][y].getNum());merge = true;}break;}}}}if (merge) {addRandomNum();checkComplete();}}//右滑private void swipeRight(){boolean merge = false;for (int y = 0; y < 4; y++) {for (int x = 3; x >=0; x--) {for (int x1 = x-1; x1 >=0; x1--) {if(cardmap[x1][y].getNum()>0){if(cardmap[x][y].getNum()<=0){cardmap[x][y].setNum(cardmap[x1][y].getNum());cardmap[x1][y].setNum(0);x++;merge=true;}else if(cardmap[x][y].equal(cardmap[x1][y])){cardmap[x][y].setNum(cardmap[x][y].getNum()*2);cardmap[x1][y].setNum(0);MainActivity.getMainActivity().addScore(cardmap[x][y].getNum());merge=true;}break;}}}}if(merge){addRandomNum();checkComplete();}}//如果有空卡片或者相鄰的值相同卡片則游戲還能進行public void checkComplete(){boolean complete=true;ALL:for (int y = 0; y <4; y++) {for (int x = 0; x <4; x++) {if(cardmap[x][y].getNum()==0||x>0&&cardmap[x][y].equal(cardmap[x-1][y])||x<3&&cardmap[x][y].equal(cardmap[x+1][y])||y>0&&cardmap[x][y].equal(cardmap[x][y-1])||y<3&&cardmap[x][y].equal(cardmap[x][y+1])){complete=false;break ALL;}}}//游戲結束彈出alert提示窗口if(complete){new AlertDialog.Builder(getContext()).setTitle("大林哥溫馨提示").setMessage("游戲結 束").setPositiveButton("重來",new DialogInterface.OnClickListener() {@Overridepublic void onClick(DialogInterface arg0, int arg1) {startGame();}}).show();}}private Card[][] cardmap=new Card[4][4];private List<Point> emptyPoints=new ArrayList<Point>(); }

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packagecom.example.administrator.game2048; importjava.util.ArrayList; import java.util.List; import android.app.AlertDialog; importandroid.content.Context; import android.content.DialogInterface; importandroid.graphics.Point; import android.util.AttributeSet; importandroid.view.MotionEvent; import android.view.View; importandroid.widget.GridLayout; publicclass GameViewextends GridLayout{ //調用類構造方法 ????publicGameView(Contextcontext,AttributeSet attrs,int defStyle){ ????????super(context,attrs,defStyle); ????????//初始化游戲 ????????InitGameView(); ????} ????publicGameView(Contextcontext,AttributeSet attrs){ ????????super(context,attrs); ????????InitGameView(); ????} ????publicGameView(Contextcontext){ ????????super(context); ????????InitGameView(); ????} ????privatevoid InitGameView(){ ????????//設置為4x4個方格 ????????setColumnCount(4); ????????//設置背景顏色 ????????setBackgroundColor(0xffeee4da); ????????//判定滑動方向 ????????setOnTouchListener(newOnTouchListener(){ ????????????privatefloat startx,starty,offsetx,offsety; ????????????@Override ????????????publicboolean onTouch(Viewv,MotionEvent event){ ????????????????switch(event.getAction()){ ????????????????????caseMotionEvent.ACTION_DOWN: ????????????????????????startx=event.getX(); ????????????????????????starty=event.getY(); ????????????????????????break; ????????????????????caseMotionEvent.ACTION_UP: ????????????????????????offsetx=event.getX()-startx; ????????????????????????offsety=event.getY()-starty; ????????????????????????if(Math.abs(offsetx)>Math.abs(offsety)){ ????????????????????????????if(offsetx<-5){ ????????????????????????????????swipeLeft(); ????????????????????????????}elseif(offsetx>5){ ????????????????????????????????swipeRight(); ????????????????????????????} ????????????????????????}else{ ????????????????????????????if(offsety<-5){ ????????????????????????????????swipeUp(); ????????????????????????????}elseif(offsetx>3){ ????????????????????????????????swipeDown(); ????????????????????????????} ????????????????????????} ????????????????????????break; ????????????????} ????????????????returntrue; ????????????} ????????}); ????} ????//適應不同大小的屏幕 ????@Override ????protectedvoid onSizeChanged(intw,int h,int oldw,int oldh){ ????????super.onSizeChanged(w,h,oldw,oldh); ????????intcardWidth=(Math.min(h,w))/4; ????????addCards(cardWidth,cardWidth); ????????startGame(); ????} ????//在4x4的方格上添加滿卡片 ????publicvoid addCards(intcardwidth,intcardheight){ ????????Cardc; ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????c=newCard(getContext()); ????????????????c.setNum(0); ????????????????addView(c,cardwidth,cardheight); ????????????????cardmap[x][y]=c; ????????????} ????????} ????} ????//游戲開始時每個卡片默認值設為0，并隨機添加兩張帶數字的卡片 ????privatevoid startGame(){ ????????MainActivity.getMainActivity().clearScore(); ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????cardmap[x][y].setNum(0); ????????????} ????????} ????????addRandomNum(); ????????addRandomNum(); ????} ????privatevoid addRandomNum(){ ????????//使用emptypoints將數字為0的card提取出來，并隨即選擇一個空card賦值 ????????emptyPoints.clear(); ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????emptyPoints.add(newPoint(x,y)); ????????????????} ????????????} ????????} ????????Pointp=emptyPoints.remove((int)(Math.random()*emptyPoints.size())); ????????//2和4出現的概率控制在1：9 ????????cardmap[p.x][p.y].setNum(Math.random()>0.1?2:4); ????} ????//左滑方法 ????privatevoid swipeLeft(){ ????????//merge作為判斷能否滑動的flag ????????booleanmerge =false; ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????for(intx1 =x+1;x1 <4;x1++){ ????????????????????if(cardmap[x1][y].getNum()>0){ ????????????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????????????cardmap[x][y].setNum(cardmap[x1][y].getNum()); ????????????????????????????cardmap[x1][y].setNum(0); ????????????????????????????merge=true; ????????????????????????????x--; ????????????????????????}elseif(cardmap[x][y].equal(cardmap[x1][y])){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y].getNum()*2); ????????????????????????????cardmap[x1][y].setNum(0); ????????????????????????????MainActivity.getMainActivity().addScore(cardmap[x][y].getNum()); ????????????????????????????merge=true; ????????????????????????} ????????????????????????break; ????????????????????} ????????????????} ????????????} ????????} ????????if(merge){ ????????????addRandomNum(); ????????????checkComplete(); ????????} ????} ????//下滑 ????privatevoid swipeDown(){ ????????booleanmerge =false; ????????for(intx =0;x <4;x++){ ????????????for(inty =3;y >=0;y--){ ????????????????for(inty1 =y-1;y1 >=0;y1--){ ????????????????????if(cardmap[x][y1].getNum()>0){ ????????????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y1].getNum()); ????????????????????????????cardmap[x][y1].setNum(0); ????????????????????????????y++; ????????????????????????????merge= true; ????????????????????????}elseif (cardmap[x][y].equal(cardmap[x][y1])){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y].getNum()*2); ????????????????????????????cardmap[x][y1].setNum(0); ????????????????????????????MainActivity.getMainActivity().addScore(cardmap[x][y].getNum()); ????????????????????????????merge= true; ????????????????????????} ????????????????????????break; ????????????????????} ????????????????} ????????????} ????????} ????????if(merge){ ????????????addRandomNum(); ????????????checkComplete(); ????????} ????} ????//上滑 ????privatevoid swipeUp(){ ????????booleanmerge =false; ????????for(intx =0;x <4;x++){ ????????????for(inty =0;y <4;y++){ ????????????????for(inty1 =y+1;y1 <4;y1++){ ????????????????????if(cardmap[x][y1].getNum()>0){ ????????????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y1].getNum()); ????????????????????????????cardmap[x][y1].setNum(0); ????????????????????????????y--; ????????????????????????????merge= true; ????????????????????????}elseif (cardmap[x][y].equal(cardmap[x][y1])){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y].getNum()*2); ????????????????????????????cardmap[x][y1].setNum(0); ????????????????????????????MainActivity.getMainActivity().addScore(cardmap[x][y].getNum()); ????????????????????????????merge= true; ????????????????????????} ????????????????????????break; ????????????????????} ????????????????} ????????????} ????????} ????????if(merge){ ????????????addRandomNum(); ????????????checkComplete(); ????????} ????} ????//右滑 ????privatevoid swipeRight(){ ????????booleanmerge =false; ????????for(inty =0;y <4;y++){ ????????????for(intx =3;x >=0;x--){ ????????????????for(intx1 =x-1;x1 >=0;x1--){ ????????????????????if(cardmap[x1][y].getNum()>0){ ????????????????????????if(cardmap[x][y].getNum()<=0){ ????????????????????????????cardmap[x][y].setNum(cardmap[x1][y].getNum()); ????????????????????????????cardmap[x1][y].setNum(0); ????????????????????????????x++; ????????????????????????????merge=true; ????????????????????????}elseif(cardmap[x][y].equal(cardmap[x1][y])){ ????????????????????????????cardmap[x][y].setNum(cardmap[x][y].getNum()*2); ????????????????????????????cardmap[x1][y].setNum(0); ????????????????????????????MainActivity.getMainActivity().addScore(cardmap[x][y].getNum()); ????????????????????????????merge=true; ????????????????????????} ????????????????????????break; ????????????????????} ????????????????} ????????????} ????????} ????????if(merge){ ????????????addRandomNum(); ????????????checkComplete(); ????????} ????} ????//如果有空卡片或者相鄰的值相同卡片則游戲還能進行 ????publicvoid checkComplete(){ ????????booleancomplete=true; ????????ALL: ????????for(inty =0;y <4;y++){ ????????????for(intx =0;x <4;x++){ ????????????????if(cardmap[x][y].getNum()==0|| ????????????????????????x>0&&cardmap[x][y].equal(cardmap[x-1][y])|| ????????????????????????x<3&&cardmap[x][y].equal(cardmap[x+1][y])|| ????????????????????????y>0&&cardmap[x][y].equal(cardmap[x][y-1])|| ????????????????????????y<3&&cardmap[x][y].equal(cardmap[x][y+1])){ ????????????????????complete=false; ????????????????????breakALL; ????????????????} ????????????} ????????} ????????//游戲結束彈出alert提示窗口 ????????if(complete){ ????????????newAlertDialog.Builder(getContext()).setTitle("大林哥溫馨提示").setMessage("游戲結束").setPositiveButton("重來",newDialogInterface.OnClickListener(){ ????????????????@Override ????????????????publicvoid onClick(DialogInterfacearg0,int arg1){ ????????????????????startGame(); ????????????????} ????????????}).show(); ????????} ????} ????privateCard[][]cardmap=newCard[4][4]; ????privateList<Point>emptyPoints=newArrayList<Point>(); }

主類MainActivity.java：

package com.example.administrator.game2048;import android.app.Activity; import android.os.Bundle; import android.widget.TextView;public class MainActivity extends Activity {public MainActivity(){mainActivity=this;}@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);tvscore = (TextView) findViewById(R.id.tvScore);}public void clearScore(){score=0;showScore();}public void showScore(){tvscore.setText(score+"");}public void addScore(int s){score+=s;showScore();}private TextView tvscore;private int score=0;public static MainActivity mainActivity=null;public static MainActivity getMainActivity() {return mainActivity;} }

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packagecom.example.administrator.game2048; importandroid.app.Activity; import android.os.Bundle; importandroid.widget.TextView; publicclass MainActivityextends Activity{ ????publicMainActivity(){ ????????mainActivity=this; ????} ????@Override ????protectedvoid onCreate(BundlesavedInstanceState){ ????????super.onCreate(savedInstanceState); ????????setContentView(R.layout.activity_main); ????????tvscore= (TextView)findViewById(R.id.tvScore); ????} ????publicvoid clearScore(){ ????????score=0; ????????showScore(); ????} ????publicvoid showScore(){ ????????tvscore.setText(score+""); ????} ????publicvoid addScore(ints){ ????????score+=s; ????????showScore(); ????} ????privateTextView tvscore; ????privateint score=0; ????publicstatic MainActivitymainActivity=null; ????publicstatic MainActivitygetMainActivity(){ ????????returnmainActivity; ????} }

Card.java：

package com.example.administrator.game2048;import android.content.Context; import android.view.Gravity; import android.view.View; import android.widget.FrameLayout; import android.widget.TextView;public class Card extends FrameLayout {public Card(Context context) {super(context);LayoutParams lp = null;View background = new View(getContext());//參數-1表示layoutparams填充滿整個父容器lp = new LayoutParams(-1, -1);//設置卡片之間有10像素的間隔lp.setMargins(10, 10, 0, 0);background.setBackgroundColor(0x33ffffff);addView(background, lp);label = new TextView(getContext());label.setTextSize(28);label.setGravity(Gravity.CENTER);lp = new LayoutParams(-1, -1);lp.setMargins(10, 10, 0, 0);addView(label, lp);setNum(0);}private int n=0;public int getNum(){return n;}//設置數字及對應的背景顏色public void setNum(int n){this.n=n;if(n<=0){label.setText("");}else{label.setText(n+"");}switch (n) {case 0:label.setBackgroundColor(0x00000000);break;case 2:label.setBackgroundColor(0xffeee4da);break;case 4:label.setBackgroundColor(0xffede0c8);break;case 8:label.setBackgroundColor(0xfff2b179);break;case 16:label.setBackgroundColor(0xfff59563);break;case 32:label.setBackgroundColor(0xfff67c5f);break;case 64:label.setBackgroundColor(0xfff65e3b);break;case 128:label.setBackgroundColor(0xffedcf72);break;case 256:label.setBackgroundColor(0xffedcc61);break;case 512:label.setBackgroundColor(0xffedc850);break;case 1024:label.setBackgroundColor(0xffedc53f);break;case 2048:label.setBackgroundColor(0xffedc22e);break;default:label.setBackgroundColor(0xff3c3a32);break;}}//判斷卡片是否相等public boolean equal(Card o){return getNum()==o.getNum();}private TextView label; }

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packagecom.example.administrator.game2048; importandroid.content.Context; import android.view.Gravity; importandroid.view.View; import android.widget.FrameLayout; importandroid.widget.TextView; publicclass Cardextends FrameLayout{ ????publicCard(Contextcontext){ ????????super(context); ????????LayoutParamslp =null; ????????Viewbackground =new View(getContext()); ????????//參數-1表示layoutparams填充滿整個父容器 ????????lp= newLayoutParams(-1,-1); ????????//設置卡片之間有10像素的間隔 ????????lp.setMargins(10,10,0,0); ????????background.setBackgroundColor(0x33ffffff); ????????addView(background,lp); ????????label= newTextView(getContext()); ????????label.setTextSize(28); ????????label.setGravity(Gravity.CENTER); ????????lp= newLayoutParams(-1,-1); ????????lp.setMargins(10,10,0,0); ????????addView(label,lp); ????????setNum(0); ????} ????privateint n=0; ????publicint getNum(){ ????????returnn; ????} ????//設置數字及對應的背景顏色 ????publicvoid setNum(intn){ ????????this.n=n; ????????if(n<=0){ ????????????label.setText(""); ????????}else{ ????????????label.setText(n+""); ????????} ????????switch(n){ ????????????case0: ????????????????label.setBackgroundColor(0x00000000); ????????????????break; ????????????case2: ????????????????label.setBackgroundColor(0xffeee4da); ????????????????break; ????????????case4: ????????????????label.setBackgroundColor(0xffede0c8); ????????????????break; ????????????case8: ????????????????label.setBackgroundColor(0xfff2b179); ????????????????break; ????????????case16: ????????????????label.setBackgroundColor(0xfff59563); ????????????????break; ????????????case32: ????????????????label.setBackgroundColor(0xfff67c5f); ????????????????break; ????????????case64: ????????????????label.setBackgroundColor(0xfff65e3b); ????????????????break; ????????????case128: ????????????????label.setBackgroundColor(0xffedcf72); ????????????????break; ????????????case256: ????????????????label.setBackgroundColor(0xffedcc61); ????????????????break; ????????????case512: ????????????????label.setBackgroundColor(0xffedc850); ????????????????break; ????????????case1024: ????????????????label.setBackgroundColor(0xffedc53f); ????????????????break; ????????????case2048: ????????????????label.setBackgroundColor(0xffedc22e); ????????????????break; ????????????default: ????????????????label.setBackgroundColor(0xff3c3a32); ????????????????break; ????????} ????} ????//判斷卡片是否相等 ????publicboolean equal(Cardo){ ????????returngetNum()==o.getNum(); ????} ????privateTextView label; }

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