xml
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"><ImageViewandroid:id="@+id/main_imageview"android:layout_width="80dp"android:layout_height="80dp"android:src="@mipmap/icon"android:visibility="gone" /><Buttonandroid:id="@+id/main_button"android:layout_width="90dp"android:layout_height="50dp"android:layout_alignParentBottom="true"android:layout_centerHorizontal="true"android:layout_marginBottom="30dp"android:text="开始游戏" /><TextViewandroid:id="@+id/main_textview"android:layout_width="wrap_content"android:layout_height="wrap_content"android:layout_centerInParent="true" /></RelativeLayout>
java
package com.tcy.digettetest;import androidx.annotation.NonNull;import androidx.appcompat.app.AppCompatActivity;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.MotionEvent;import android.view.View;import android.widget.Button;import android.widget.ImageView;import android.widget.TextView;import android.widget.Toast;import java.lang.ref.WeakReference;import java.util.IllegalFormatCodePointException;import java.util.Random;public class MainActivity extends AppCompatActivity implements View.OnClickListener, View.OnTouchListener {public static final int CODE = 1001;public static final int MAX_NUMBER = 10;public static final int RANDOM_NUMBER = 500;Button statrGameButton;TextView resultTextView;ImageView saratogaImage;int[][] mPostion = new int[][]{{342, 180}, {432, 880},{521, 256}, {429, 780},{456, 976}, {145, 665},{123, 678}, {564, 567},};int mTotalCount;int mSuccessCount;SaratogaHandler mHandler = new SaratogaHandler(this);@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);initView();setTitle("打加加");}private void initView() {statrGameButton = findViewById(R.id.main_button);resultTextView = findViewById(R.id.main_textview);saratogaImage = findViewById(R.id.main_imageview);statrGameButton.setOnClickListener(this);saratogaImage.setOnTouchListener(this);}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.main_button:startGame();break;}}private void startGame() {statrGameButton.setEnabled(false);resultTextView.setText("开始啦");statrGameButton.setText("游戏中……");//发送消息next(0);}public void next(int delayTime) {int position = new Random().nextInt(mPostion.length);Message message = Message.obtain();message.what = CODE;message.arg1 = position;mHandler.sendMessageDelayed(message, delayTime);mTotalCount++;}@Overridepublic boolean onTouch(View v, MotionEvent event) {v.setVisibility(View.GONE);mSuccessCount++;resultTextView.setText("打到了" + mSuccessCount + "只,共" + MAX_NUMBER + "只.");return false;}public static class SaratogaHandler extends Handler {final WeakReference<MainActivity> weakReference;public SaratogaHandler(MainActivity activity) {this.weakReference = new WeakReference<>(activity);}@Overridepublic void handleMessage(@NonNull Message msg) {super.handleMessage(msg);MainActivity activity = weakReference.get();switch (msg.what) {case CODE:if (activity.mTotalCount > MAX_NUMBER) {activity.clear();Toast.makeText(activity, "小加加打完了", Toast.LENGTH_SHORT).show();return;}int position = msg.arg1;activity.saratogaImage.setX(activity.mPostion[position][0]);activity.saratogaImage.setY(activity.mPostion[position][1]);activity.saratogaImage.setVisibility(View.VISIBLE);int randomTime = new Random().nextInt(RANDOM_NUMBER) + RANDOM_NUMBER;activity.next(randomTime);break;}}}private void clear() {mTotalCount = 0;mSuccessCount = 0;saratogaImage.setVisibility(View.GONE);statrGameButton.setText("点击开始");statrGameButton.setEnabled(true);}}
