安卓2048小遊戲源碼

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package com.example.sci_2048;import java.util.Random;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.graphics.Color;import android.os.Bundle;import android.view.Gravity;import android.view.Menu;import android.view.MotionEvent;import android.view.View;import android.view.View.OnTouchListener;import android.view.WindowManager;import android.view.animation.Animation;import android.view.animation.AnimationSet;import android.view.animation.ScaleAnimation;import android.widget.Button;import android.widget.RelativeLayout;import android.widget.TextView;public class MainActivity extends Activity  implements OnTouchListener, android.view.View.OnClickListener{TextView maxView, scoreView;//當前最大數值, 累積得分值 顯示文字框int maxInt=0, scoreInt=0;//最大數值, 累積得分 數值形式TextView cell[][] = new TextView[4][4];//以文字框的形式建立遊戲的16個儲存格int num[][] = new int[4][4];//儲存16個儲存格對應的數值int count = 0;//統計當前16個儲存格中大於0的數值數目Button again;//重新開始public enum Direction { LEFT, RIGHT, UP, DOWN; }//方向Direction direction = null;//標記螢幕的滑動方向float x1=-1, y1=-1, x2=-1, y2=-1;//標誌觸摸按下和觸摸釋放時的座標int cellWidth;//設定遊戲中方格的大小    @Override    protected void onCreate(Bundle savedInstanceState)     {        super.onCreate(savedInstanceState);                View main = creatMainView();//建立遊戲主視圖        setContentView(main);//設定為遊戲視圖        main.setOnTouchListener(this);//添加觸摸事件監聽，用於響應觸摸滑動事件                again.setOnClickListener(this);//重新開始按鈕添加事件響應，響應按鈕的點擊                RandomSite();//隨機在空位置處產生數值2        RandomSite();                refresh();//重新整理介面顯示值    }        //建立遊戲的主視圖，包含3部分：頂部資訊、中部4*4方格、底部按鈕    @SuppressWarnings("deprecation")public View creatMainView()    {    //擷取螢幕的寬度和高度        WindowManager wm = this.getWindowManager();        int screenWidth = wm.getDefaultDisplay().getWidth();        int screenHeight = wm.getDefaultDisplay().getHeight();              //根據螢幕寬度設定遊戲中方格的大小,在螢幕寬度大於高度時，按寬高比重新分配比例，使得高大於寬        cellWidth = screenWidth <= screenHeight ? (screenWidth-10)/4 : (screenHeight*screenHeight/screenWidth-10)/4;                float rat = screenWidth <= screenHeight ? screenWidth / 480 : screenWidth / 480 * screenHeight/screenWidth;//相對於480螢幕大小比例值        int size1 = (int)(28*rat), size2 = (int)(42*rat), size3 = (int)(22*rat);            RelativeLayout main = new RelativeLayout(this);        //遊戲資訊顯示部分    RelativeLayout  info = new RelativeLayout(this);    info.setBackgroundColor(0xff074747);    //最值和得分的顯示資訊,前兩個為標籤後兩個部分用於顯示數值    TextView label[] = new TextView[4];    String LText[] = new String[]{"最值", "得分", "0", "0" };        RelativeLayout.LayoutParams paramsL[] = new RelativeLayout.LayoutParams[4];    int ParamsNum[][] = new int[][]//四個文字框的布局參數    {    {RelativeLayout.ALIGN_PARENT_TOP, RelativeLayout.ALIGN_PARENT_LEFT}, {RelativeLayout.ALIGN_PARENT_TOP, RelativeLayout.ALIGN_PARENT_RIGHT},    {RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.ALIGN_PARENT_LEFT}, {RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.ALIGN_PARENT_RIGHT}    };        //設定顯示資訊的布局    for(int i=0; i<4; i++)    {    label[i] = new TextView(this);        label[i].setText(LText[i]);    label[i].setTextSize(size1);    label[i].setTextColor(Color.WHITE);    label[i].setGravity(Gravity.CENTER);        paramsL[i] = new RelativeLayout.LayoutParams((int)(cellWidth*1.1), (int)(cellWidth*0.4));    paramsL[i].addRule(ParamsNum[i][0]);    paramsL[i].addRule(ParamsNum[i][1], RelativeLayout.TRUE);            info.addView(label[i], paramsL[i]);    }    maxView = label[2]; //映射最值到全域變數，便於下次訪問    scoreView = label[3];                 //遊戲主體4*4方格部分        RelativeLayout body = new RelativeLayout(this);//建立一個相對布局的視圖        body.setBackgroundColor(Color.BLACK);//為其設定背景色                for(int i=0; i<4; i++)        for(int j=0; j<4; j++)        {        cell[i][j] = new TextView(this);//建立        num[i][j] = 0;//初始時，每個方格中的數值均為0                RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(cellWidth, cellWidth);        int left = 2 + j * (2 + cellWidth), top = 2 + i * (2 + cellWidth), right = left + cellWidth, bottom = top + cellWidth;//top屬性值由行位置i決定，left由列位置j決定        params.setMargins(left, top, right, bottom);//設定各個方格的布局位置                body.addView(cell[i][j], params);//將表示方格的文字框添加到表單                cell[i][j].setTextSize(size2);//設定字型大小        cell[i][j].setGravity(Gravity.CENTER);//設定文本布局方式        }                //添加資訊顯示部分到主介面        RelativeLayout.LayoutParams paramsInfo = new RelativeLayout.LayoutParams((int)(cellWidth*2.2), (int)(cellWidth*0.8));        int right = (int)(screenWidth/2 + (cellWidth*4+10)/2), left = right-(int)(cellWidth*2.2), top = 0, bottom = (int)(cellWidth*0.8);        paramsInfo.setMargins(left, top, right, bottom);//        paramsInfo.addRule(RelativeLayout.ALIGN_PARENT_TOP);//        paramsInfo.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE);                main.addView(info, paramsInfo);                //添加遊戲主體部分到主介面        RelativeLayout.LayoutParams paramsBody = new RelativeLayout.LayoutParams(cellWidth*4+10, cellWidth*4+10);        paramsBody.addRule(RelativeLayout.CENTER_IN_PARENT, RelativeLayout.TRUE);        main.addView(body, paramsBody);                //添加重新開始按鈕到主介面        RelativeLayout.LayoutParams paramsAgain = new RelativeLayout.LayoutParams((int)(cellWidth * 1.2), (int)(cellWidth * 0.6));        paramsAgain.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);        paramsAgain.addRule(RelativeLayout.CENTER_HORIZONTAL, RelativeLayout.TRUE);        Button btnAgain = new Button(this);//重新開始        btnAgain.setText("重新開始");        btnAgain.setTextSize(size3);//設定字型大小        main.addView(btnAgain, paramsAgain);                again = btnAgain;//映射該按鈕到全域變數            return main;    }        //在遊戲的空格位置處，隨機產生數值2    public void RandomSite()    {    if(count<16)//當16個方格未被數值填滿時    {    Random rnd = new Random();        int n = rnd.nextInt(16-count), cN=0;//根據空位置數隨機產生一個 數值                for(int i=0; i<4; i++)//將隨機數位置轉換為在4*4方格中的對應位置        for(int j=0; j<4; j++)        {        if(num[i][j] == 0)        {        if(cN == n)        {        num[i][j] = 2;                count++;//4*4方格中大於0的數目統計                                aniScale(cell[i][j]);//設定動畫效果                return;        }        else cN++;        }        }    }    }        //訊息框    public void messageBox(String str)    {    new AlertDialog.Builder(this) .setMessage(str).setPositiveButton("確定", null).show();    }    //當遊戲介面被數值填滿時,判斷是否可以朝某方向合并  public boolean canBeAdd()  {//分別判定垂直的兩個方向是否有相鄰數值可以合并即可  if(canBeAdd(Direction.RIGHT))return true;  else return canBeAdd(Direction.DOWN);  }    //當遊戲介面被數值填滿時,判斷是否可以朝指定方向合并，若不可以則遊戲結束public boolean canBeAdd(Direction direction){if(count<16)return true;//未被填滿時，可以繼續操作int startN=0, addX=0, addY=0;//起始值、結束值、步增值, x、y方向增量if(direction == Direction.RIGHT){ startN=3; addX=0; addY=1; }else if(direction == Direction.LEFT){ startN=0; addX=0; addY=-1; }else if(direction == Direction.DOWN){ startN=3; addX=1; addY=0; }else if(direction == Direction.UP){ startN=0; addX=-1; addY=0; }for(int x=0; x<=3; x++)//對每一行或每一列執行{int y=startN;int i=0, j=0;if(direction == Direction.RIGHT || direction == Direction.LEFT){ i=x; j=y; }else { i=y; j=x; }for(int k = 0; k<3; k++)//4個位置，從某個方向開始對每兩個連續位置進行比對，相同則合并,合并順序為direction的逆序{ int i1 = i-k*addX, j1 = j-k*addY, i2 = i1-addX, j2 = j1-addY;if(num[i1][j1]==num[i2][j2] && num[i1][j1]!=0){return true;}}}return false;}    @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;    }@Overridepublic boolean onTouch(View v, MotionEvent event){//擷取觸摸拖動起點和終點的座標，以便於判斷觸摸移動方向switch (event.getAction()){case MotionEvent.ACTION_DOWN://觸控螢幕幕後記錄座標x1 = event.getX();//按下點座標y1 = event.getY();break;case MotionEvent.ACTION_MOVE://觸摸移動break;case MotionEvent.ACTION_UP:x2 = event.getX();//移動點座標y2 = event.getY();break;case MotionEvent.ACTION_CANCEL:}//進行觸摸處理，要求觸摸按下和釋放點的座標都存在，且不同，另外我們要求觸摸移動的距離大於等於一個方格寬度if((x1!=-1 && x2!=-1) && (x1!=x2|| y1!=y2)&& (Math.abs(x1 - x2) >= cellWidth || Math.abs(y1 - y2) >= cellWidth)){if (x2 - x1 > Math.abs(y2 - y1)) direction = Direction.RIGHT;else if (x1 - x2 > Math.abs(y2 - y1)) direction = Direction.LEFT;else if (y2 - y1 > Math.abs(x2 - x1)) direction = Direction.DOWN;else if (y1 - y2 > Math.abs(x2 - x1)) direction = Direction.UP;gameProcess(direction);//遊戲內部數值處理refresh();//根據數組中的資料，重新整理顯示到介面中x2 = x1 = -1 ; y2 = y1 = -1;//此句保證每次觸摸移動僅處理一次}return true;}//遊戲內部數值處理過程實現，分為3步：朝一個方向疊加、相同數值合并、再次朝該方向疊加public void gameProcess(Direction direction){boolean flag = false;//標誌是否有數值可以下落，或者可以合并if(Gravaty(direction))flag = true;//控制4*4方格中的數值朝一個方向墜落，疊加if(add(direction)){flag = true;Gravaty(direction);//數值合并後, 如果有數值合并了，邏輯上方的數值下落}if(flag)RandomSite();//如果有數值下落了或合并了，則隨機在一個空位置處產生2if(count==16 && !canBeAdd()) messageBox("抱歉，此次未能通關");//16個方格都被填滿時，判斷是否可以朝某個方向合并數值，不能則給出提示資訊}//控制遊戲中數值的墜落方向，該函數實現數值的墜落與疊起，相同數值不合并public boolean Gravaty(Direction direction){int startN=0, endN=0, step=0, addX=0, addY=0;//起始值、結束值、步增值, x、y方向增量boolean haveDroped = false;//標誌是否有數值下落if(direction == Direction.RIGHT){ startN=3; endN=0; step=-1; addX=0; addY=1; }else if(direction == Direction.LEFT){ startN=0; endN=3; step=1; addX=0; addY=-1; }else if(direction == Direction.DOWN){ startN=3; endN=0; step=-1; addX=1; addY=0; }else if(direction == Direction.UP){ startN=0; endN=3; step=1; addX=-1; addY=0; }for(int x=0; x<=3; x++)//對每一行或每一列執行{for(int y=startN; (step<0 && y>=endN) || (step>0 && y<=endN); y+=step){int i=0, j=0, i2=-1, j2=-1;if(direction == Direction.RIGHT || direction == Direction.LEFT){ i=x; j=y; }else { i=y; j=x; }i2=i;j2=j;//當前方格中的數值不為0，其移動方向一側的空位置在地區內，其數值為0while(num[i][j] != 0 && inArea(i2+addX, j2+addY) && num[i2+addX][j2+addY] == 0){//計算該座標方向的最後一個可用數值為0的位置i2 += addX; j2 += addY;}if(inArea(i2, j2) && (i!=i2 || j!=j2))//將座標處的數值落到最後的空位置{num[i2][j2] = num[i][j];num[i][j] = 0;haveDroped = true;//有數值下落}}}return haveDroped;}//為視圖v添加動畫效果，尺寸變化public void aniScale(View v){v.bringToFront();//最上層顯示AnimationSet aniSet = new AnimationSet(true);//設定尺寸從0.5倍變化到1.1倍ScaleAnimation scaleAni = new ScaleAnimation(0.89f, 1.15f, 0.89f, 1.15f, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f);scaleAni.setDuration(400);//設定動畫效果時間aniSet.addAnimation(scaleAni);//將動畫效果添加到動畫集中v.startAnimation(aniSet);//視圖v開始動畫效果}//在Gravaty()處理的基礎上，控制相同數值朝指定方向合并public boolean add(Direction direction){int startN=0, addX=0, addY=0;//起始值、結束值、步增值, x、y方向增量boolean combined = false;//標記是否有數值合并了if(direction == Direction.RIGHT){ startN=3; addX=0; addY=1; }else if(direction == Direction.LEFT){ startN=0; addX=0; addY=-1; }else if(direction == Direction.DOWN){ startN=3; addX=1; addY=0; }else if(direction == Direction.UP){ startN=0; addX=-1; addY=0; }for(int x=0; x<=3; x++)//對每一行或每一列執行{int y=startN;int i=0, j=0;if(direction == Direction.RIGHT || direction == Direction.LEFT){ i=x; j=y; }else { i=y; j=x; }for(int k = 0; k<3; k++)//4個位置，從某個方向開始對每兩個連續位置進行比對，相同則合并,合并順序為direction的逆序{ int i1 = i-k*addX, j1 = j-k*addY, i2 = i1-addX, j2 = j1-addY;if(num[i1][j1]==num[i2][j2] && num[i1][j1]!=0){scoreInt += num[i2][j2];//累積分值num[i1][j1] *= 2;num[i2][j2] = 0;combined = true;count--;//數值合并後，大於0的數值減1aniScale(cell[i1][j1]);//設定動畫效果if(num[i1][j1] == 2048) messageBox("恭喜，你贏了！");//if(num[i1][j1] == 2048) Toast.makeText(this, "恭喜，你贏了！", Toast.LENGTH_SHORT).show();}}}return combined;}//判斷n1和n2是否均在0到3之間，保證座標n1,n2在4*4方格範圍public boolean inArea(int n1, int n2){return 0 <= n1 && n1<=3 && 0 <= n2 && n2<=3 ;}//重新整理遊戲方格中的顯示值，將4*4數組中的值顯示到cell中public void refresh(){for(int i=0; i<4; i++)        for(int j=0; j<4; j++)        {        if( num[i][j]==0 )cell[i][j].setText("");//數值為0時，清空顯示        else cell[i][j].setText(String.valueOf(num[i][j]));//大於0時在方格中顯示對應的數值                cell[i][j].setBackgroundColor(getBacColor(num[i][j]));//設定背景色                if( num[i][j]==2 || num[i][j]==4) cell[i][j].setTextColor(0xff776E65);        else cell[i][j].setTextColor(0xfff9f6f2);//設定字型顏色                if(maxInt < num[i][j]) maxInt = num[i][j];//記錄最大數值        }maxView.setText(String.valueOf(maxInt));//顯示最大值scoreView.setText(String.valueOf(scoreInt));//顯示分值}//擷取各數值對應的背景顏色public int getBacColor(int num){int color[] = new int[]{0xff074747, 0xff999999, 0xffede0c8, 0xfff2b179, 0xfff59563, 0xfff67c5f, 0xfff65e3b, 0xffedcf72, 0xffedcc61, 0xffedc850, 0xffedc53f, 0xffedc22e};  int i=0;//標記顏色數組的下標位置,分別對應數值0、2、4、8、16……while(num>1){i++;num/=2;}return color[i];//返回對應顏色值}@Overridepublic void onClick(View v) //重新開始按鈕的事件響應{new AlertDialog.Builder(this) //.setTitle("").setMessage("確定要重新開始本局嗎？").setPositiveButton("確定", new DialogInterface.OnClickListener()     {         public void onClick(DialogInterface dialoginterface, int i)         {      rePlay();    }  }).setNegativeButton("取消", null).show();}//重玩遊戲，清空遊戲資料資訊public void rePlay(){//清空資料maxInt = 0;scoreInt = 0;count = 0;for(int i=0; i<4; i++)        for(int j=0; j<4; j++)        {        num[i][j] = 0;        }//產生兩個隨機位置RandomSite();        RandomSite();                refresh();//重新整理顯示}}

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安卓2048小遊戲源碼