android利用handler实现打地鼠游戏

本文实例为大家分享了android利用handler实现打地鼠游戏的具体代码，供大家参考，具体内容如下

xml

<?xml version='1.0' encoding='utf-8'?><RelativeLayout xmlns:android='http://schemas.android.com/apk/res/android' android:layout_width='match_parent' android:layout_height='match_parent'> <ImageView android: android:layout_width='80dp' android:layout_height='80dp' android:src='https://www.haobala.com/bcjs/@mipmap/icon' android:visibility='gone' /> <Button android: 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' /> <TextView android: 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); @Override protected 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); } @Override public 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++; } @Override public 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); } @Override public 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); }}

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