Add IntSliderPreference

app/src/main/java/com/hippo/ehviewer/Settings.kt

@@ -95,7 +95,7 @@ object Settings : DefaultPreferences() {
     var favCloudCount by intPref("fav_cloud", 0)
     var recentFavCat by intPref("recent_fav_cat", FavListUrlBuilder.FAV_CAT_ALL)
     var defaultFavSlot by intPref("default_favorite_2", INVALID_DEFAULT_FAV_SLOT) // -1 for local, 0 - 9 for cloud favorite, other for no default fav slot
-    val securityDelay by intPref("require_unlock_delay", 0)
+    var securityDelay by intPref("require_unlock_delay", 0)
     var proxyType by intPref("proxy_type", EhProxySelector.TYPE_SYSTEM)
     var proxyPort by intPref("proxy_port", -1)
     var clipboardTextHashCode by intPref("clipboard_text_hash_code", 0)

app/src/main/java/com/hippo/ehviewer/ui/settings/PreferenceWidgets.kt

@@ -13,6 +13,7 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
@@ -27,9 +28,11 @@ import androidx.compose.ui.text.AnnotatedString
 import com.hippo.ehviewer.ui.login.LocalNavController
 import com.hippo.ehviewer.ui.openBrowser
 import com.hippo.ehviewer.ui.settings.PreferenceTokens.PreferenceTextPadding
+import com.jamal.composeprefs3.ui.prefs.SliderPref
 import com.jamal.composeprefs3.ui.prefs.SpannedTextPref
 import com.jamal.composeprefs3.ui.prefs.SwitchPref
 import com.jamal.composeprefs3.ui.prefs.TextPref
+import kotlin.math.roundToInt
 import kotlin.reflect.KMutableProperty0
 
 @Composable
@@ -61,6 +64,13 @@ fun SwitchPreference(title: String, summary: String?, value: KMutableProperty0<B
     SwitchPref(checked = v, onMutate = ::mutate, title = title, summary = summary, enabled = enabled)
 }
 
+@Composable
+fun IntSliderPreference(maxValue: Int, minValue: Int = 0, step: Int = maxValue - minValue - 1, title: String, value: KMutableProperty0<Int>, enabled: Boolean = true) {
+    var v by remember { mutableIntStateOf(value.get()) }
+    fun set(float: Float) = value.set(float.roundToInt().also { v = it })
+    SliderPref(title = title, defaultValue = v.toFloat(), onValueChangeFinished = ::set, valueRange = minValue.toFloat()..maxValue.toFloat(), showValue = true, steps = step, enabled = enabled)
+}
+
 @Composable
 fun UrlPreference(title: String, url: String) {
     val context = LocalContext.current

app/src/main/java/com/hippo/ehviewer/ui/settings/SecurityScreen.kt

@@ -44,6 +44,12 @@ fun SecurityScreen() {
                 value = Settings::security,
                 enabled = LocalContext.current.isAuthenticationSupported(),
             )
+            IntSliderPreference(
+                maxValue = 30,
+                title = stringResource(id = R.string.settings_privacy_require_unlock_delay),
+                value = Settings::securityDelay,
+                enabled = LocalContext.current.isAuthenticationSupported(),
+            )
             SwitchPreference(
                 title = stringResource(id = R.string.settings_privacy_secure),
                 summary = stringResource(id = R.string.settings_privacy_secure_summary),