Fixed long press timeout settings

app/src/main/java/org/dslul/openboard/inputmethod/latin/settings/AdvancedSettingsFragment.java

@@ -19,9 +19,7 @@ package org.dslul.openboard.inputmethod.latin.settings;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.content.res.Resources;
-import android.media.AudioManager;
 import android.os.Bundle;
-import android.preference.ListPreference;
 
 import org.dslul.openboard.inputmethod.latin.AudioAndHapticFeedbackManager;
 import org.dslul.openboard.inputmethod.latin.R;
@@ -57,6 +55,48 @@ public final class AdvancedSettingsFragment extends SubScreenFragment {
         if (!Settings.isInternal(prefs)) {
             removePreference(Settings.SCREEN_DEBUG);
         }
+
+        setupKeyLongpressTimeoutSettings();
+    }
+
+
+    private void setupKeyLongpressTimeoutSettings() {
+        final SharedPreferences prefs = getSharedPreferences();
+        final Resources res = getResources();
+        final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(
+                Settings.PREF_KEY_LONGPRESS_TIMEOUT);
+        if (pref == null) {
+            return;
+        }
+        pref.setInterface(new SeekBarDialogPreference.ValueProxy() {
+            @Override
+            public void writeValue(final int value, final String key) {
+                prefs.edit().putInt(key, value).apply();
+            }
+
+            @Override
+            public void writeDefaultValue(final String key) {
+                prefs.edit().remove(key).apply();
+            }
+
+            @Override
+            public int readValue(final String key) {
+                return Settings.readKeyLongpressTimeout(prefs, res);
+            }
+
+            @Override
+            public int readDefaultValue(final String key) {
+                return Settings.readDefaultKeyLongpressTimeout(res);
+            }
+
+            @Override
+            public String getValueText(final int value) {
+                return res.getString(R.string.abbreviation_unit_milliseconds, value);
+            }
+
+            @Override
+            public void feedbackValue(final int value) {}
+        });
     }
 
     @Override