android开发分享Android实现扫雷小游戏

  //设置翻开状态  public void setnumberofsurroundingmines(int number) {   this.setbackgroundresource(r.drawable.selected);//设置翻开背景图   updatenumber(number);//设置周围雷数  }    //添加雷块标识  public void setmineicon() {   this.setbackgroundresource(r.drawable.dl);  }    //添加标记标识  public void setflagicon(boolean enabled) {     if (!enabled) {    this.setbackgroundresource(r.drawable.hq);   } else {    this.settextcolor(color.black);   }  }    //清除所有标记  public void clearallicons() {   this.settext("");   this.settextcolor(r.drawable.unselected);  }    private void setboldfont() {   this.settypeface(null, typeface.bold);  }    //翻开方块  public void openblock() {   if (!iscovered) {    return;   }   iscovered = false;   //如果为雷设置地雷标识   if (hasmine()) {    setmineicon();   } else {    setnumberofsurroundingmines(numberofminesinsurrounding);//根据周围雷数设置翻开状态及显示数字   }  }

  package com.example.saolei;    import androidx.appcompat.app.appcompatactivity;    import android.content.intent;  import android.os.bundle;  import android.view.view;    public class levelactivity extends appcompatactivity {     @override   protected void oncreate(bundle savedinstancestate) {    super.oncreate(savedinstancestate);    setcontentview(r.layout.activity_level);   }     /*根据不同难度返回相应参数*/   public void easy(view view) {    intent data = new intent();    data.putextra("result", "easy");    setresult(2, data);    finish();   }     public void hard(view view) {    intent data = new intent();    data.putextra("result", "hard");    setresult(2, data);    finish();   }     public void return(view view) {    intent data = new intent();    data.putextra("result", "");    setresult(2, data);    finish();   }  }

  package com.example.saolei;    import androidx.appcompat.app.alertdialog;  import androidx.appcompat.app.appcompatactivity;    import android.content.intent;  import android.os.bundle;  import android.view.view;    import java.io.bufferedreader;  import java.io.file;  import java.io.fileinputstream;  import java.io.filenotfoundexception;  import java.io.ioexception;  import java.io.inputstreamreader;  import java.util.scanner;    public class menuactivity extends appcompatactivity {   string t = "easy";   @override   protected void oncreate(bundle savedinstancestate) {    super.oncreate(savedinstancestate);    setcontentview(r.layout.activity_menu);   }     @override   //接收难度界面传回的参数并将其传回主界面处理   protected void onactivityresult(int requestcode, int resultcode, intent data) {    super.onactivityresult(requestcode, resultcode, data);    if (resultcode == 2) {     intent level = new intent();     t = data.getstringextra("result");     level.putextra("result", t);     setresult(1, data);     finish();    }   }     //点击新游戏按钮，将结果传回主界面   public void newgame(view view) {    intent data = new intent();    data.putextra("result", "newgame");    setresult(1, data);    finish();   }     //点击改变难度按钮，启动难度选择界面   public void changelevel(view view) {    intent level = new intent(menuactivity.this, levelactivity.class);    startactivityforresult(level, 2);   }     //点击游戏记录按钮，显示记录   public void record(view view) {    string filename = getexternalcachedir().getabsolutepath() + "/gamerecord.txt";//文件路径    file file = new file(filename);    scanner inputstream = null;    fileinputstream fis = null;    bufferedreader br = null;    string str;    string message = "  " + "级别" + "  " + "胜负" + "   " + "时间n";    //若文件不存在，显示暂无记录    if (!file.exists()) {     new alertdialog.builder(this)       .setmessage("暂无记录！")       .setnegativebutton("确定", null)       .create().show();    }    else {     try {      //读取文件记录并生成对话框显示      inputstream = new scanner(new fileinputstream(filename));      int i = 1;      fis = new fileinputstream(filename);      br = new bufferedreader(new inputstreamreader(fis));      while ((str = br.readline()) != null) {       message = message + (i + ". " + str + "n");       i++;      }      new alertdialog.builder(this)        .setmessage(message)        .setnegativebutton("确定", null)        .create().show();      fis.close();      br.close();     } catch (filenotfoundexception e) {      e.printstacktrace();     } catch (ioexception e) {      e.printstacktrace();     } finally {      inputstream.close();     }    }   }     //点击返回按钮，回传结果到主界面   public void return1(view view) {    intent data = new intent();    data.putextra("result", "start");    setresult(1, data);    finish();   }  }