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appmain/utils/tools/CountDown.java

@@ -0,0 +1,77 @@
+package com.proxgrind.chameleon.utils.tools;
+
+import java.util.Timer;
+import java.util.TimerTask;
+
+/*
+ * 倒计时任务!
+ * */
+public class CountDown extends TimerTask {
+
+    private int timeDelay = 1000;
+    private transient int countdynamic = 0;
+    private Progress mProgress;
+    private Timer timer;
+
+    public CountDown(Progress progress) {
+        timer = new Timer();
+        mProgress = progress;
+    }
+
+    //倒计时回调接口
+    public interface Progress {
+        boolean onProgress(int countdynamic);
+    }
+
+    //设置回调!
+    public void setProgress(Progress progress) {
+        mProgress = progress;
+    }
+
+    //设置每次的延迟
+    public CountDown setTimeDelay(int ms) {
+        timeDelay = ms;
+        return this;
+    }
+
+    //设置需要延迟多少次!
+    public CountDown setCountDown(int count) {
+        countdynamic = count;
+        return this;
+    }
+
+    //开始倒计时!
+    public CountDown startCountDown() {
+        if (countdynamic == 0) return this;
+        timer.schedule(this, 0, timeDelay);
+        return this;
+    }
+
+    //取消倒计时
+    public CountDown cancelCountDown() {
+        cancel();
+        countdynamic = 0;
+        return this;
+    }
+
+    //是否处于倒计时状态!
+    public boolean isRunning() {
+        return this.countdynamic != 0;
+    }
+
+    @Override
+    public void run() {
+        //判断为零，立刻回调结束
+        if (countdynamic == 0) {
+            mProgress.onProgress(0);
+            cancelCountDown();
+        } else {
+            //回调且判断需不需要继续下次回调!
+            if (!mProgress.onProgress(countdynamic)) {
+                cancelCountDown();
+                return;
+            }
+            --countdynamic;
+        }
+    }
+}