Added debug option to disable emergency file

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

@@ -267,6 +267,12 @@ public abstract class DB extends RoomDatabase {
     }
 
     static void createEmergencyBackup(Context context) {
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        boolean emergency_file = prefs.getBoolean("emergency_file", true);
+
+        File emergency = new File(context.getFilesDir(), "emergency.json");
+
+        if (emergency_file) {
             Log.i("Creating emergency backup");
             try {
                 DB db = DB.getInstance(context);
@@ -291,11 +297,12 @@ public abstract class DB extends RoomDatabase {
                     jaccounts.put(jaccount);
                 }
 
-            File emergency = new File(context.getFilesDir(), "emergency.json");
                 Helper.writeText(emergency, jaccounts.toString(2));
             } catch (Throwable ex) {
                 Log.e(ex);
             }
+        } else
+            emergency.delete();
     }
 
     private static void checkEmergencyBackup(Context context) {

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

@@ -176,6 +176,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
     private Button btnRepair;
     private Button btnDaily;
     private SwitchCompat swAutostart;
+    private SwitchCompat swEmergency;
     private SwitchCompat swWorkManager;
     private SwitchCompat swExternalStorage;
     private TextView tvExternalStorageFolder;
@@ -262,7 +263,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             "crash_reports", "cleanup_attachments",
             "watchdog", "experiments", "main_log", "main_log_memory", "protocol", "log_level", "debug", "leak_canary",
             "test1", "test2", "test3", "test4", "test5",
-            "work_manager", // "external_storage",
+            "emergency_file", "work_manager", // "external_storage",
             "sqlite_integrity_check", "wal", "sqlite_checkpoints", "sqlite_analyze", "sqlite_auto_vacuum", "sqlite_sync_extra", "sqlite_cache",
             "chunk_size", "thread_range", "undo_manager",
             "browser_zoom", "fake_dark",
@@ -395,6 +396,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         btnRepair = view.findViewById(R.id.btnRepair);
         btnDaily = view.findViewById(R.id.btnDaily);
         swAutostart = view.findViewById(R.id.swAutostart);
+        swEmergency = view.findViewById(R.id.swEmergency);
         swWorkManager = view.findViewById(R.id.swWorkManager);
         swExternalStorage = view.findViewById(R.id.swExternalStorage);
         tvExternalStorageFolder = view.findViewById(R.id.tvExternalStorageFolder);
@@ -1197,6 +1199,13 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             }
         });
 
+        swEmergency.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton v, boolean checked) {
+                prefs.edit().putBoolean("emergency_file", checked).apply();
+            }
+        });
+
         swWorkManager.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
@@ -2205,6 +2214,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         swTest5.setChecked(prefs.getBoolean("test5", false));
 
         swAutostart.setChecked(Helper.isComponentEnabled(getContext(), ReceiverAutoStart.class));
+        swEmergency.setChecked(prefs.getBoolean("emergency_file", true));
         swWorkManager.setChecked(prefs.getBoolean("work_manager", true));
         swExternalStorage.setChecked(prefs.getBoolean("external_storage", false));
 

app/src/main/res/layout/fragment_options_misc.xml

@@ -1149,6 +1149,18 @@
                     app:layout_constraintTop_toBottomOf="@id/btnDaily"
                     app:switchPadding="12dp" />
 
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swEmergency"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
+                    android:checked="true"
+                    android:text="@string/title_advanced_emergency"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/swAutostart"
+                    app:switchPadding="12dp" />
+
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swWorkManager"
                     android:layout_width="0dp"
@@ -1158,7 +1170,7 @@
                     android:text="@string/title_advanced_work_manager"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/swAutostart"
+                    app:layout_constraintTop_toBottomOf="@id/swEmergency"
                     app:switchPadding="12dp" />
 
                 <androidx.appcompat.widget.SwitchCompat

app/src/main/res/values/strings.xml

@@ -808,6 +808,7 @@
     <string name="title_advanced_repair" translatable="false">Repair</string>
     <string name="title_advanced_daily" translatable="false">Daily</string>
     <string name="title_advanced_autostart" translatable="false">Autostart app</string>
+    <string name="title_advanced_emergency" translatable="false">Write emergency file</string>
     <string name="title_advanced_work_manager" translatable="false">Initialize work manager</string>
     <string name="title_advanced_external_storage" translatable="false">Use external storage</string>
     <string name="title_advanced_integrity" translatable="false">sqlite integrity check</string>