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);
}
}
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。
