On demand init of work manager

app/src/fdroid/AndroidManifest.xml

@@ -374,6 +374,11 @@
                 android:resource="@xml/fileprovider_paths" />
         </provider>
 
+        <provider
+            android:name="androidx.work.impl.WorkManagerInitializer"
+            android:authorities="${applicationId}.workmanager-init"
+            tools:node="remove" />
+
         <receiver
             android:name=".Widget"
             android:label="@string/title_widget_title_count">

app/src/github/AndroidManifest.xml

@@ -374,6 +374,11 @@
                 android:resource="@xml/fileprovider_paths" />
         </provider>
 
+        <provider
+            android:name="androidx.work.impl.WorkManagerInitializer"
+            android:authorities="${applicationId}.workmanager-init"
+            tools:node="remove" />
+
         <receiver
             android:name=".Widget"
             android:label="@string/title_widget_title_count">

app/src/main/AndroidManifest.xml

@@ -374,6 +374,11 @@
                 android:resource="@xml/fileprovider_paths" />
         </provider>
 
+        <provider
+            android:name="androidx.work.impl.WorkManagerInitializer"
+            android:authorities="${applicationId}.workmanager-init"
+            tools:node="remove" />
+
         <receiver
             android:name=".Widget"
             android:label="@string/title_widget_title_count">

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

@@ -32,6 +32,7 @@ import android.os.Looper;
 import android.util.Printer;
 import android.webkit.CookieManager;
 
+import androidx.annotation.NonNull;
 import androidx.preference.PreferenceManager;
 
 import java.util.Date;
@@ -39,7 +40,8 @@ import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
 
-public class ApplicationEx extends Application implements SharedPreferences.OnSharedPreferenceChangeListener {
+public class ApplicationEx extends Application
+        implements androidx.work.Configuration.Provider, SharedPreferences.OnSharedPreferenceChangeListener {
     private Thread.UncaughtExceptionHandler prev = null;
 
     @Override
@@ -132,6 +134,7 @@ public class ApplicationEx extends Application implements SharedPreferences.OnSh
             CookieManager.getInstance().setAcceptCookie(false);
 
         MessageHelper.setSystemProperties(this);
+
         ContactInfo.init(this);
 
         DisconnectBlacklist.init(this);
@@ -161,6 +164,15 @@ public class ApplicationEx extends Application implements SharedPreferences.OnSh
         Log.i("App created " + (end - start) + " ms");
     }
 
+    @NonNull
+    @Override
+    public androidx.work.Configuration getWorkManagerConfiguration() {
+        // https://developer.android.com/topic/libraries/architecture/workmanager/advanced/custom-configuration
+        return new androidx.work.Configuration.Builder()
+                .setMinimumLoggingLevel(android.util.Log.INFO)
+                .build();
+    }
+
     @Override
     public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
         switch (key) {

app/src/play/AndroidManifest.xml

@@ -375,6 +375,11 @@
                 android:resource="@xml/fileprovider_paths" />
         </provider>
 
+        <provider
+            android:name="androidx.work.impl.WorkManagerInitializer"
+            android:authorities="${applicationId}.workmanager-init"
+            tools:node="remove" />
+
         <receiver
             android:name=".Widget"
             android:label="@string/title_widget_title_count">