保证启动时会清理掉上一次的任务

app/src/main/java/com/bgycc/smartcanteen/utils/WorkerUtils.java

@@ -2,6 +2,7 @@ package com.bgycc.smartcanteen.utils;
 
 import android.content.Context;
 
+import androidx.work.ExistingWorkPolicy;
 import androidx.work.PeriodicWorkRequest;
 import androidx.work.WorkManager;
 
@@ -19,6 +20,7 @@ public class WorkerUtils {
 
     // 每隔一定时间检查日志文件夹并进行清理
     public static void startLogFilesMonitor(Context context) {
+        stopLogFilesMonitor(context);
         PeriodicWorkRequest request = new PeriodicWorkRequest.Builder(LogFileMonitor.class, LOG_REPEAT_INTERVAL, TimeUnit.HOURS)
                 .addTag(LOG_MONITOR_WORKER)
                 .build();
@@ -33,6 +35,7 @@ public class WorkerUtils {
 
     // 每隔一定时间检查数据库并进行清理
     public static void startDatabaseMonitor(Context context) {
+        stopDatabaseMonitor(context);
         PeriodicWorkRequest request = new PeriodicWorkRequest.Builder(DatabaseMonitor.class, DATABASE_REPEAT_INTERVAL, TimeUnit.HOURS)
                 .addTag(DATABASE_MONITOR_WORKER)
                 .build();