Android实现简易版打地鼠

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package com.example.weixu.eclipsemole;
 
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
 
public class MainActivity extends AppCompatActivity {
 
 private ImageView[][] view=new ImageView[4][4];
 private Button btStartWhackAMole,btStopWhackAMole;
 private TextView tvWhackAMoleScore;
 
 private int time_s=1000; //难度的时间
 private int time=time_s; //地鼠出来时间
 private int score=0; //成绩，打地鼠个数
 private int num=0; //地鼠出来个数
 private int temp_i=0,temp_j=0; //记录上一次出现的地鼠在数组view中的下标
 private int flag=1; //默认为停止状态，0开始，1结束，2运行
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 init();
 }
 
 private void init() {
 view[0][0]= (ImageView) findViewById(R.id.ivZeroZero);
 view[0][1]= (ImageView) findViewById(R.id.ivZeroOne);
 view[0][2]= (ImageView) findViewById(R.id.ivZeroTwo);
 view[0][3]= (ImageView) findViewById(R.id.ivZeroThree);
 view[1][0]= (ImageView) findViewById(R.id.ivOneZero);
 view[1][1]= (ImageView) findViewById(R.id.ivOneOne);
 view[1][2]= (ImageView) findViewById(R.id.ivOneTwo);
 view[1][3]= (ImageView) findViewById(R.id.ivOneThree);
 view[2][0]= (ImageView) findViewById(R.id.ivTwoZero);
 view[2][1]= (ImageView) findViewById(R.id.ivTwoOne);
 view[2][2]= (ImageView) findViewById(R.id.ivTwoTwo);
 view[2][3]= (ImageView) findViewById(R.id.ivTwoThree);
 view[3][0]= (ImageView) findViewById(R.id.ivThreeZero);
 view[3][1]= (ImageView) findViewById(R.id.ivThreeOne);
 view[3][2]= (ImageView) findViewById(R.id.ivThreeTwo);
 view[3][3]= (ImageView) findViewById(R.id.ivThreeThree);
 btStartWhackAMole= (Button) findViewById(R.id.btStartWhackAMole);
 btStopWhackAMole= (Button) findViewById(R.id.btStopWhackAMole);
 tvWhackAMoleScore= (TextView) findViewById(R.id.tvWhackAMoleScore);
 btStartWhackAMole.setClickable(true);
 btStopWhackAMole.setClickable(false);
 }
 
 public void whackAMole(View view){
 view.setBackgroundResource(R.drawable.hit);
 view.setClickable(false);
 score++;
 time=time_s-score*10;
 tvWhackAMoleScore.setText("分数："+score);
 }
 public void btnClick(View view){
 switch (view.getId()){
 case R.id.btStartWhackAMole:
 btStartWhackAMole.setClickable(false);
 btStopWhackAMole.setClickable(true);
 num=0;
 score=0;
 flag=0; //开始
 tvWhackAMoleScore.setText("分数：0");
 new MyAsyncTask().execute();
 break;
 case R.id.btStopWhackAMole:
 btStartWhackAMole.setClickable(true);
 btStopWhackAMole.setClickable(false);
 score=0;
 flag=1; //停止
 new MyAsyncTask().execute();
 break;
 }
 }
 class MyAsyncTask extends AsyncTask{
 
 @Override
 protected String doInBackground(String... strings) {
 //进入运行状态
 while(flag!=1){
 flag=2;
 double r=Math.random();
 int i=((int)(r*10))%4;
 r=Math.random();
 int j=((int)(r*10))%4;
 try {
 Thread.sleep(time);
 }catch (InterruptedException e){
 e.printStackTrace();;
 }
 publishProgress(i,j);
 }
 return null;
 }
 
 @Override
 protected void onProgressUpdate(Integer... values) { //主线程
 if(flag==0){ //开始
 view[values[0]][values[1]].setBackgroundResource(R.drawable.emptyhole);
 }else if(flag==2){ //运行
 view[temp_i][temp_j].setBackgroundResource(R.drawable.emptyhole);
 view[temp_i][temp_j].setClickable(false); //上一次出现的设置为不能点击
 view[values[0]][values[1]].setBackgroundResource(R.drawable.show6);
 view[values[0]][values[1]].setClickable(true);
 num++;
 if((num-score)==5){
 flag=1;
 btStartWhackAMole.setClickable(true);
 Toast.makeText(MainActivity.this,"游戏结束",Toast.LENGTH_SHORT).show();
 }
 temp_i=values[0];
 temp_j=values[1];
 }else if(flag==1){
 view[values[0]][values[1]].setBackgroundResource(R.drawable.emptyhole);
 view[values[0]][values[1]].setClickable(false);
 }
 }
 }
}