Android游戏2048的实现
来源：互联网 发布：seo自然排名 编辑：程序博客网 时间：2024/05/22 21:06
MainActivity
package xiaoye.com.game2048;import android.app.AlertDialog;import android.content.DialogInterface;import android.content.SharedPreferences;import android.graphics.drawable.GradientDrawable;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.DisplayMetrics;import android.view.Gravity;import android.view.Menu;import android.view.MenuItem;import android.view.MotionEvent;import android.widget.GridLayout;import android.widget.LinearLayout;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends AppCompatActivity{ private int num=4; private boolean isstart=true,isback=false,haveitem=false; private int score=0,maxscore=0,backcount=0,max=0,oldmax=0; private SharedPreferences sp; private float X1,X2,Y1,Y2,X,Y; private GridLayout layout; private MenuItem item2; LinearLayout.LayoutParams params; private TextView card[][]=new TextView[7][7],tv1,tv2; private int[] colornum={0,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536,131072}; private int[] colorid={R.color.color0,R.color.color2,R.color.color4,R.color.color8,R.color.color16,R.color.color32,R.color.color64,R.color.color128,R.color.color256,R.color.color512,R.color.color1024,R.color.color2048,R.color.color4096,R.color.color8192,R.color.color16384,R.color.color32768,R.color.color65536}; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); find(); startGame(false,true); } @Override public boolean onCreateOptionsMenu(Menu menu){ getMenuInflater().inflate(R.menu.main, menu); item2= menu.findItem(R.id.item2); haveitem=true; item2.setTitle("撤销("+backcount+"次)"); return true; } @Override public boolean onOptionsItemSelected(MenuItem item){ switch (item.getItemId()) { case R.id.item1://开始新游戏 new AlertDialog.Builder(this) .setTitle("通知") .setMessage("您真的要开始新游戏吗") .setNegativeButton("取消", null) .setPositiveButton("是的",new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { startGame(true,true); } }).show(); return true; case R.id.item2://撤销 back(); item2.setTitle("撤销("+backcount+"次)"); return true; case R.id.item3://版本信息 new AlertDialog.Builder(this) .setTitle("版本信息") .setMessage(this.getResources().getString(R.string.版本信息)) .setNegativeButton("确定", null).show(); return true; case R.id.item4://游戏规则 new AlertDialog.Builder(this) .setTitle("游戏规则") .setMessage(this.getResources().getString(R.string.游戏规则)) .setNegativeButton("确定", null).show(); return true; case R.id.item5://选择模式 new AlertDialog.Builder(this) .setTitle("请选择模式" ) .setIcon(android.R.drawable.ic_dialog_info) .setSingleChoiceItems(new String[] {"4*4", "5*5", "6*6" }, num-4 , new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog1, final int which) { new AlertDialog.Builder(MainActivity.this) .setTitle("请选择" ) .setIcon(android.R.drawable.ic_dialog_info) .setSingleChoiceItems(new String[] {"新游戏", "读取存档"},0 , new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog2, final int which1) { num = which + 4; find(); switch (which1) { case 0: startGame(true,true); break; case 1: startGame(false,false); break; } dialog2.dismiss(); } }).setNegativeButton("取消" , null ).show(); dialog1.dismiss(); } } ) .setNegativeButton("取消" , null ).show(); return true; } return super.onOptionsItemSelected(item); } private void find(){ tv1=(TextView)findViewById(R.id.textView1); tv2=(TextView)findViewById(R.id.textView2); layout=(GridLayout)findViewById(R.id.layout); layout.removeAllViews(); layout.setColumnCount(num); layout.setRowCount(num); DisplayMetrics dm = new DisplayMetrics(); getWindowManager().getDefaultDisplay().getMetrics(dm); params=new LinearLayout.LayoutParams((dm.widthPixels-40)/num, (dm.widthPixels-40)/num); for(int i=1;i<=num;i++) { for (int j=1;j<=num;j++) { card[i][j]=new TextView(this); if (num == 4) { card[i][j].setTextSize(15); }else if(num==5){ card[i][j].setTextSize(13); }else if(num==6){ card[i][j].setTextSize(11); } card[i][j].setTextColor(0xffffffff); card[i][j].setGravity(Gravity.CENTER); card[i][j].setLayoutParams(params); layout.addView(card[i][j]); } } } private void reshow(){ layout.removeAllViews(); for(int i=1;i<=num;i++) { for (int j=1;j<=num;j++) { card[i][j].setLayoutParams(params); layout.addView(card[i][j]); } } } private void startGame(boolean start,boolean isNumNull){ boolean flag=true; isstart=true; init(); if(!start) open(isNumNull); getMaxScore(); for(int i=1;i<=num;i++){ for(int j=1;j<=num;j++){ if(getNum(i,j)!=0){ flag=false; } } } if(checkGameOver()==true) new AlertDialog.Builder(this) .setTitle("通知") .setMessage("GameOver") .setPositiveButton("开始新游戏",new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { startGame(true,true); } }) .setNegativeButton("取消", null) .show(); else if(flag){ addRandomNum(); addRandomNum(); } setColor(); save(); } private void init(){ score=maxscore=max=oldmax=backcount=0; if(haveitem) item2.setTitle("撤销("+backcount+"次)"); setScore(); for(int i=1;i<=num;i++){ for(int j=1;j<=num;j++){ setNum(i,j,0); } } } private void addRandomNum(){ int x=(int)(Math.random()*num+1); int y=(int)(Math.random()*num+1); while(getNum(x,y)!=0){ x=(int)(Math.random()*num+1); y=(int)(Math.random()*num+1); } setNum(x,y,Math.random()>0.1?2:4); setColor(); } private void setColor(){ int cardnum = 0; for(int i=1;i<=num;i++){ for(int j=1;j<=num;j++){ for(int k=0;k<colornum.length;k++){ if(getNum(i,j)<=65536) { cardnum = getNum(i, j); }else{ cardnum = getNum(i, j) / 65536; } if(cardnum==colornum[k]){ card[i][j].setBackgroundResource(R.drawable.backgroundnum); GradientDrawable drawable = (GradientDrawable) card[i][j].getBackground(); drawable.setColor(getResources().getColor(colorid[k])); drawable.setStroke(3*(10-(num-4)*3), getResources().getColor(R.color.color0)); } } } } } private void setNum(int i,int j,int cardnum){ if(cardnum==0) card[i][j].setText(""); else card[i][j].setText(cardnum+""); if(cardnum>130000) { if (num == 4) { card[i][j].setTextSize(15); }else if(num==5){ card[i][j].setTextSize(13); }else if(num==6){ card[i][j].setTextSize(11); } } } private int getNum(int i,int j){ String numstr=card[i][j].getText().toString(); if(numstr.equals("")) return 0; else return Integer.valueOf(card[i][j].getText().toString()).intValue(); } private boolean swipeLeft(){ boolean swipe=false; for (int x=1;x<=num;x++) { for (int y = 1; y <=num; y++) { for (int y1 = y+1; y1 <= num; y1++) { if (getNum(x,y1)>0) { if (getNum(x,y)<=0){ setNum(x,y,getNum(x,y1)); setNum(x,y1,0); y--; swipe = true; }else if (getNum(x,y)==getNum(x,y1)){ setNum(x,y,getNum(x,y)*2); setNum(x,y1,0); score+=getNum(x,y); swipe = true; } break; } } } } reshow(); return swipe; } private boolean swipeRight(){ boolean swipe=false; for (int x=1;x<=num;x++) { for (int y = num; y >=1; y--) { for (int y1 = y-1; y1 >=1; y1--) { if (getNum(x,y1)>0) { if (getNum(x,y)<=0) { setNum(x,y,getNum(x,y1)); setNum(x,y1,0); y++; swipe = true; }else if (getNum(x,y)==getNum(x,y1)) { setNum(x,y,getNum(x,y)*2); setNum(x,y1,0); score+=getNum(x,y); swipe = true; } break; } } } } reshow(); return swipe; } private boolean swipeUp(){ boolean swipe=false; for (int y=1;y<=num;y++) { for (int x=1;x<=num;x++) { for (int x1 = x+1; x1 <=num; x1++) { if (getNum(x1,y)>0) { if (getNum(x,y)<=0) { setNum(x,y,getNum(x1,y)); setNum(x1,y,0); x--; swipe = true; }else if (getNum(x,y)==getNum(x1,y)) {//这层判断是判断相邻两个数相同的情况 setNum(x,y,getNum(x,y)*2); setNum(x1,y,0); score+=getNum(x,y); swipe = true; } break; } } } } reshow(); return swipe; } private boolean swipeDown(){ boolean swipe=false; for (int y=1;y<=num;y++) { for (int x = num; x >=1; x--) { for (int x1 = x-1; x1 >=1; x1--) { if (getNum(x1,y)>0) { if (getNum(x,y)<=0) { setNum(x,y,getNum(x1,y)); setNum(x1,y,0); x++; swipe = true; }else if (getNum(x,y)==getNum(x1,y)) { setNum(x,y,getNum(x,y)*2); setNum(x1,y,0); score+=getNum(x,y); swipe = true; } break; } } } } reshow(); return swipe; } private boolean checkGameOver(){ for(int i=1;i<=num;i++){ for(int j=1;j<=num;j++){ if(getNum(i,j)==0) return false; if(i-1>=1&&getNum(i,j)==getNum(i-1,j)||i+1<=4&&getNum(i,j)==getNum(i+1,j)||j-1>=1&&getNum(i,j)==getNum(i,j-1)||j+1<=4&&getNum(i,j)==getNum(i,j+1)) return false; } } return true; } private void setScore(){ if(score>maxscore) maxscore=score; tv1.setText(""+maxscore); tv2.setText(""+score); int maxnum=0; for(int i=1;i<=num;i++){ for(int j=1;j<=num;j++){ if(getNum(i,j)>maxnum){ maxnum=getNum(i,j); } } } max=maxnum; if(!isstart&&max>oldmax){ Toast.makeText(MainActivity.this,"已合成"+max+",获得撤销机会一次",Toast.LENGTH_SHORT).show(); backcount++; if(haveitem) item2.setTitle("撤销("+backcount+"次)"); oldmax=max; save(); } if(haveitem) item2.setTitle("撤销("+backcount+"次)"); } private void save(){ sp = getSharedPreferences("CardDate",MODE_PRIVATE); SharedPreferences.Editor editor = sp.edit(); for(int i=1;i<=num;i++) { for (int j = 1; j <= num; j++) { editor.putInt("OldCard"+num+i+j,sp.getInt("Card"+num+i+j,0)); editor.putInt("Card"+num+i+j,getNum(i,j)); } } editor.putInt("num",num); editor.putInt("OldScore"+num,sp.getInt("Score"+num,0)); editor.putInt("OldMaxScore"+num,sp.getInt("MaxScore"+num,0)); editor.putInt("Score"+num,score); editor.putInt("MaxScore"+num,maxscore); editor.putInt("backcount"+num,backcount); editor.putInt("max"+num,max); editor.putInt("oldmax"+num,oldmax); editor.commit(); } private void open(boolean isNumNull){ sp = getSharedPreferences("CardDate",MODE_PRIVATE); if(isNumNull) num=sp.getInt("num",4); find(); for(int i=1;i<=num;i++) { for (int j = 1; j <= num; j++) { setNum(i,j,sp.getInt("Card"+num+i+j,0)); } } score=sp.getInt("Score"+num,0); maxscore=sp.getInt("MaxScore"+num,0); backcount=sp.getInt("backcount"+num,0); max=sp.getInt("max"+num,0); oldmax=sp.getInt("oldmax"+num,0); setScore(); } private void back(){ if(backcount<=0) { Toast.makeText(MainActivity.this, "撤销机会已用光", Toast.LENGTH_SHORT).show(); }else if(isstart) { Toast.makeText(MainActivity.this, "游戏刚开始,无法撤销", Toast.LENGTH_SHORT).show(); }else if(isback){ Toast.makeText(MainActivity.this,"刚刚撤销一次,无法撤销",Toast.LENGTH_SHORT).show(); }else{ sp = getSharedPreferences("CardDate",MODE_PRIVATE); SharedPreferences.Editor editor = sp.edit(); for(int i=1;i<=num;i++) { for (int j = 1; j <= num; j++) { editor.putInt("Card"+num+i+j,sp.getInt("OldCard"+num+i+j,0)); } } editor.putInt("num",num); editor.putInt("Score"+num,sp.getInt("OldScore"+num,0)); editor.putInt("MaxScore"+num,sp.getInt("OldMaxScore"+num,0)); editor.commit(); num=sp.getInt("num",4); for(int i=1;i<=num;i++) { for (int j = 1; j <= num; j++) { setNum(i,j,sp.getInt("Card"+num+i+j,0)); } } score=sp.getInt("Score"+num,0); maxscore=sp.getInt("MaxScore"+num,0); max=sp.getInt("max"+num,0); oldmax=sp.getInt("oldmax"+num,0); setScore(); setColor(); backcount--; } isback=true; } private void getMaxScore(){ sp = getSharedPreferences("CardDate",MODE_PRIVATE); maxscore=sp.getInt("MaxScore"+num,0); setScore(); } @Override public boolean onTouchEvent(MotionEvent event) { boolean swipe=false; if(event.getAction()==MotionEvent.ACTION_DOWN) { X1 = event.getX(); Y1 = event.getY(); } else if(event.getAction()==MotionEvent.ACTION_UP){ X2 = event.getX(); Y2 = event.getY(); X=X2-X1; Y=Y2-Y1; if(Math.abs(X)>(Math.abs(Y))){ if(X<-5) swipe=swipeLeft(); else if (X>5) swipe=swipeRight(); }else{ if(Y<-5) swipe=swipeUp(); else if (Y>5) swipe=swipeDown(); } if(swipe==true){ addRandomNum(); setScore(); save(); isstart=false; isback=false; } if(checkGameOver()==true) new AlertDialog.Builder(this) .setTitle("通知") .setMessage("GameOver") .setPositiveButton("开始新游戏",new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { startGame(true,true); } }) .setNegativeButton("取消", null) .show(); } return super.onTouchEvent(event); }}activity_main
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:background="@drawable/background" tools:context="xiaoye.com.game2048.MainActivity"> <GridLayout android:id="@+id/layout" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="@null" android:padding="20px"></GridLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="horizontal" android:gravity="center"> <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="horizontal" android:gravity="center"> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="center" android:orientation="vertical" android:padding="10dp" android:background="@drawable/background1296db"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="最高分" android:gravity="center" android:textColor="#ffffff" android:textSize="25dp"/> <TextView android:id="@+id/textView1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="center" android:text="0" android:textColor="#ffffff" android:layout_marginTop="5dp" android:textSize="25dp"/> </LinearLayout> </LinearLayout> <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="horizontal" android:gravity="center"> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="center" android:orientation="vertical" android:padding="10dp" android:background="@drawable/background1296db"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="得 分" android:gravity="center" android:textColor="#ffffff" android:textSize="25dp"/> <TextView android:id="@+id/textView2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:gravity="center" android:text="0" android:textColor="#ffffff" android:layout_marginTop="5dp" android:textSize="25dp"/> </LinearLayout> </LinearLayout> </LinearLayout></LinearLayout>menu_main
<menu xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto"> <item android:id="@+id/item1" android:title="开始新游戏" android:orderInCategory="100" app:showAsAction="never|withText"/> <item android:id="@+id/item2" android:title="撤销" android:orderInCategory="100" app:showAsAction="ifRoom|withText"/> <item android:id="@+id/item3" android:title="版本信息" android:orderInCategory="100" app:showAsAction="never|withText"/> <item android:id="@+id/item4" android:title="游戏规则" android:orderInCategory="100" app:showAsAction="never|withText"/> <item android:id="@+id/item5" android:title="选择模式" android:orderInCategory="100" app:showAsAction="never|withText"/></menu> 0 0
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