...

app/src/main/java/com/zxdemo/utils/NonBlockingCountdown.java

+package com.zxdemo.utils;
+
+import android.os.Handler;
+import android.os.Looper;
+
+public class NonBlockingCountdown {
+
+    private static final long COUNTDOWN_INTERVAL = 1000; // 倒计时时间间隔，单位毫秒
+    private final Handler handler = new Handler(Looper.getMainLooper());
+    private Runnable countdownRunnable;
+
+    public NonBlockingCountdown(int s, TimeOut timeOut) {
+        this.countdownRunnable = new Runnable() {
+            int seconds = s;
+
+            @Override
+            public void run() {
+                if (seconds > 0) {
+                    seconds--;
+                    // 在这里更新UI，显示剩余时间
+                } else {
+                    // 倒计时结束，可以在这里做一些操作，比如通知用户
+                    handler.removeCallbacks(this);
+                    timeOut.timeOut();
+                }
+            }
+        };
+    }
+
+
+    public void start() {
+        handler.postDelayed(countdownRunnable, COUNTDOWN_INTERVAL);
+    }
+
+    public void cancel() {
+        handler.removeCallbacks(countdownRunnable);
+    }
+}
\ No newline at end of file

app/src/main/java/com/zxdemo/utils/TimeOut.java

+package com.zxdemo.utils;
+
+interface TimeOut {
+    abstract void timeOut();
+}
\ No newline at end of file