2022-06-28 09:55:19 来源 : 软件开发网
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本文实例为大家分享了Android实现九宫格抽奖的具体代码，供大家参考，具体内容如下
package cq.cake.luckdraw;import android.graphics.Color;import android.os.Bundle;import android.os.CountDownTimer;import android.support.v7.app.AppCompatActivity;import android.util.Log;import android.view.View;import android.widget.TextView;import java.util.LinkedList;import java.util.List;import java.util.Random;public class MainActivity extends AppCompatActivity { private TextView tv1; private TextView tv2; private TextView tv3; private TextView tv4; private TextView tvStart; private TextView tv5; private TextView tv6; private TextView tv7; private TextView tv8; private TextView tvNotice; private List views = new LinkedList<>();//所有的视图 private int timeC= 100;//变色时间间隔 private int lightPosition = 0;//当前亮灯位置,从0开始 private int runCount = 10;//需要转多少圈 private int lunckyPosition = 4;//中奖的幸运位置,从0开始 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); init(); } private void init() { tv1 = (TextView) findViewById(R.id.tv1); tv2 = (TextView) findViewById(R.id.tv2); tv3 = (TextView) findViewById(R.id.tv3); tv4 = (TextView) findViewById(R.id.tv4); tv5 = (TextView) findViewById(R.id.tv5); tv6 = (TextView) findViewById(R.id.tv6); tv7 = (TextView) findViewById(R.id.tv7); tv8 = (TextView) findViewById(R.id.tv8); tvStart = (TextView) findViewById(R.id.tvStart); tvNotice = (TextView) findViewById(R.id.tv_notice); views.add(tv1); views.add(tv2); views.add(tv3); views.add(tv4); views.add(tv5); views.add(tv6); views.add(tv7); views.add(tv8); try { tvStart.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { tvStart.setClickable(false); tvStart.setEnabled(false); tvNotice.setText(""); runCount = 10; timeC = 100; views.get(lunckyPosition).setBackgroundColor(Color.TRANSPARENT); lunckyPosition = randomNum(0,7); new TimeCount(timeC*9,timeC).start(); } }); } catch (Exception e) { e.printStackTrace(); } } /** * 生成随机数 * @param minNum * @param maxNum * @return */ private int randomNum(int minNum,int maxNum) { int max = maxNum; int min = minNum; Random random = new Random(); return random.nextInt(max)%(max-min+1) + min; } class TimeCount extends CountDownTimer{ public TimeCount(long millisInFuture, long countDownInterval) { super(millisInFuture, countDownInterval); lightPosition = 0; } @Override public void onTick(long millisUntilFinished) { Log.i(">>>","---"+lightPosition); //如果是最后一次滚动 if (runCount>0){ if (lightPosition>0){ views.get(lightPosition-1).setBackgroundColor(Color.TRANSPARENT); } if (lightPosition<8){ views.get(lightPosition).setBackgroundColor(Color.RED); } }else if (runCount==0){ if (lightPosition<=lunckyPosition){ if (lightPosition>0){ views.get(lightPosition-1).setBackgroundColor(Color.TRANSPARENT); } if (lightPosition<8){ views.get(lightPosition).setBackgroundColor(Color.RED); } } } lightPosition++; } @Override public void onFinish() { Log.i(">>>","onFinish=="+runCount); //如果不是最后一圈，需要还原最后一块的颜色 TextView tvLast= views.get(7); if (runCount!=0){ tvLast.setBackgroundColor(Color.TRANSPARENT); //最后几转速度变慢 if (runCount<3) timeC += 200; new TimeCount(timeC*9,timeC).start(); runCount--; } //如果是最后一圈且计时也已经结束 if (runCount==0&&lightPosition==8){ tvStart.setClickable(true); tvStart.setEnabled(true); tvNotice.setText("恭喜你抽中: "+views.get(lunckyPosition).getText().toString()); if (lunckyPosition!=views.size()) tvLast.setBackgroundColor(Color.TRANSPARENT); } } }} 
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