Prevent crash

app/src/main/java/eu/faircode/email/WorkerCleanup.java

@@ -166,6 +166,7 @@ public class WorkerCleanup extends Worker {
     }
 
     static void queue(Context context) {
+        try {
             Log.i("Queuing " + getName() + " every " + CLEANUP_INTERVAL + " hours");
 
             PeriodicWorkRequest workRequest =
@@ -175,12 +176,20 @@ public class WorkerCleanup extends Worker {
                     .enqueueUniquePeriodicWork(getName(), ExistingPeriodicWorkPolicy.REPLACE, workRequest);
 
             Log.i("Queued " + getName());
+        } catch (IllegalStateException ex) {
+            // https://issuetracker.google.com/issues/138465476
+            Log.w(ex);
+        }
     }
 
     static void cancel(Context context) {
+        try {
             Log.i("Cancelling " + getName());
             WorkManager.getInstance(context).cancelUniqueWork(getName());
             Log.i("Cancelled " + getName());
+        } catch (IllegalStateException ex) {
+            Log.w(ex);
+        }
     }
 
     private static String getName() {

app/src/main/java/eu/faircode/email/WorkerPoll.java

@@ -47,6 +47,7 @@ public class WorkerPoll extends Worker {
     }
 
     static void init(Context context) {
+        try {
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
             boolean enabled = prefs.getBoolean("enabled", true);
             int pollInterval = prefs.getInt("poll_interval", 0);
@@ -65,6 +66,10 @@ public class WorkerPoll extends Worker {
                 WorkManager.getInstance(context).cancelUniqueWork(getName());
                 Log.i("Cancelled " + getName());
             }
+        } catch (IllegalStateException ex) {
+            // https://issuetracker.google.com/issues/138465476
+            Log.w(ex);
+        }
     }
 
     private static String getName() {

app/src/main/java/eu/faircode/email/WorkerWatchdog.java

@@ -49,6 +49,7 @@ public class WorkerWatchdog extends Worker {
     }
 
     static void init(Context context) {
+        try {
             SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
             boolean watchdog = prefs.getBoolean("watchdog", true);
             if (watchdog) {
@@ -66,6 +67,10 @@ public class WorkerWatchdog extends Worker {
                 WorkManager.getInstance(context).cancelUniqueWork(getName());
                 Log.i("Cancelled " + getName());
             }
+        } catch (IllegalStateException ex) {
+            // https://issuetracker.google.com/issues/138465476
+            Log.w(ex);
+        }
     }
 
     private static String getName() {