Added LT picky option

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

@@ -122,6 +122,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
     private TextView tvFtsPro;
     private Spinner spLanguage;
     private SwitchCompat swLanguageTool;
+    private SwitchCompat swLanguageToolPicky;
     private TextView tvLanguageToolPrivacy;
     private ImageButton ibLanguageTool;
     private SwitchCompat swDeepL;
@@ -241,7 +242,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
     private final static String[] RESET_OPTIONS = new String[]{
             "sort_answers", "shortcuts", "fts",
             "classification", "class_min_probability", "class_min_difference",
-            "language", "lt_enabled", "deepl_enabled", "vt_enabled", "vt_apikey", "send_enabled", "send_host",
+            "language", "lt_enabled", "lt_picky", "deepl_enabled", "vt_enabled", "vt_apikey", "send_enabled", "send_host",
             "updates", "weekly", "show_changelog",
             "crash_reports", "cleanup_attachments",
             "watchdog", "experiments", "main_log", "main_log_memory", "protocol", "log_level", "debug", "leak_canary",
@@ -326,6 +327,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         tvFtsPro = view.findViewById(R.id.tvFtsPro);
         spLanguage = view.findViewById(R.id.spLanguage);
         swLanguageTool = view.findViewById(R.id.swLanguageTool);
+        swLanguageToolPicky = view.findViewById(R.id.swLanguageToolPicky);
         tvLanguageToolPrivacy = view.findViewById(R.id.tvLanguageToolPrivacy);
         ibLanguageTool = view.findViewById(R.id.ibLanguageTool);
         swDeepL = view.findViewById(R.id.swDeepL);
@@ -633,6 +635,14 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             @Override
             public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
                 prefs.edit().putBoolean("lt_enabled", checked).apply();
+                swLanguageToolPicky.setEnabled(checked);
+            }
+        });
+
+        swLanguageToolPicky.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean checked) {
+                prefs.edit().putBoolean("lt_picky", checked).apply();
             }
         });
 
@@ -1996,6 +2006,8 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
             spLanguage.setSelection(selected);
 
         swLanguageTool.setChecked(prefs.getBoolean("lt_enabled", false));
+        swLanguageToolPicky.setChecked(prefs.getBoolean("lt_picky", false));
+        swLanguageToolPicky.setEnabled(swLanguageTool.isChecked());
         swDeepL.setChecked(prefs.getBoolean("deepl_enabled", false));
         swVirusTotal.setChecked(prefs.getBoolean("vt_enabled", false));
         etVirusTotal.setText(prefs.getString("vt_apikey", null));

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

@@ -76,6 +76,12 @@ public class LanguageTool {
         if (code != null)
             request += "&preferredVariants=" + code;
 
+        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
+        boolean lt_picky = prefs.getBoolean("lt_picky", false);
+
+        if (lt_picky)
+            request += "&level=picky";
+
         Log.i("LT locale=" + locale + " request=" + request);
 
         URL url = new URL(LT_URI + "check");

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

@@ -343,6 +343,18 @@
                     app:layout_constraintStart_toStartOf="parent"
                     app:layout_constraintTop_toBottomOf="@id/tvLanguageToolHint" />
 
+                <androidx.appcompat.widget.SwitchCompat
+                    android:id="@+id/swLanguageToolPicky"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginTop="12dp"
+                    android:text="@string/title_translate_formal"
+                    app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toBottomOf="@id/tvLanguageToolPrivacy"
+                    app:switchPadding="12dp" />
+
                 <ImageButton
                     android:id="@+id/ibLanguageTool"
                     android:layout_width="wrap_content"
@@ -351,7 +363,7 @@
                     android:contentDescription="@string/title_info"
                     android:tooltipText="@string/title_info"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@+id/tvLanguageToolPrivacy"
+                    app:layout_constraintTop_toBottomOf="@id/swLanguageToolPicky"
                     app:srcCompat="@drawable/twotone_info_24" />
 
                 <androidx.appcompat.widget.SwitchCompat