Code review cleanup and refactoring.

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsController.kt

@@ -82,14 +82,14 @@ abstract class SettingsController : PreferenceController() {
     }
 
     private fun animatePreferenceHighlight(view: View) {
-        val duration = 500L
-        val repeat = 2
-
-        val colorAnimation = ValueAnimator.ofObject(ArgbEvaluator(), Color.TRANSPARENT, Color.WHITE)
-        colorAnimation.duration = duration
-        colorAnimation.repeatCount = repeat
-        colorAnimation.addUpdateListener { animator -> view.setBackgroundColor(animator.animatedValue as Int) }
-        colorAnimation.reverse()
+        ValueAnimator
+            .ofObject(ArgbEvaluator(), Color.TRANSPARENT, R.attr.rippleColor)
+            .apply {
+                duration = 500L
+                repeatCount = 2
+                addUpdateListener { animator -> view.setBackgroundColor(animator.animatedValue as Int) }
+                reverse()
+            }
     }
 
     open fun getTitle(): String? {

app/src/main/java/eu/kanade/tachiyomi/ui/setting/SettingsMainController.kt

@@ -108,14 +108,10 @@ class SettingsMainController : SettingsController() {
         searchView.queryTextEvents()
             .filterIsInstance<QueryTextEvent.QueryChanged>()
             .onEach {
-                performSettingsSearch(it.queryText.toString())
+                router.pushController(
+                    SettingsSearchController().withFadeTransaction()
+                )
             }
             .launchIn(scope)
     }
-
-    private fun performSettingsSearch(query: String) {
-        router.pushController(
-            SettingsSearchController().withFadeTransaction()
-        )
-    }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/setting/settingssearch/SettingsSearchController.kt

@@ -137,16 +137,12 @@ class SettingsSearchController :
      * returns a list of `SettingsSearchItem` to be shown as search results
      */
     fun getResultSet(query: String? = null): List<SettingsSearchItem> {
-        val list = mutableListOf<SettingsSearchItem>()
-
-        if (!query.isNullOrBlank()) {
-            SettingsSearchHelper.getFilteredResults(query)
-                .forEach {
-                    list.add(SettingsSearchItem(it, null))
-                }
+        if (!query.isNullOrBlank() && query.length >= 3) {
+            return SettingsSearchHelper.getFilteredResults(query)
+                .map { SettingsSearchItem(it, null) }
         }
 
-        return list
+        return mutableListOf()
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/ui/setting/settingssearch/SettingsSearchPresenter.kt

@@ -1,9 +1,7 @@
 package eu.kanade.tachiyomi.ui.setting.settingssearch
 
 import android.os.Bundle
-import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
-import eu.kanade.tachiyomi.source.SourceManager
 import eu.kanade.tachiyomi.ui.base.presenter.BasePresenter
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
@@ -20,8 +18,6 @@ open class SettingsSearchPresenter : BasePresenter<SettingsSearchController>() {
     var query = ""
         private set
 
-    val sourceManager: SourceManager = Injekt.get()
-    val db: DatabaseHelper = Injekt.get()
     val preferences: PreferencesHelper = Injekt.get()
 
     override fun onCreate(savedState: Bundle?) {

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

@@ -1,52 +1,45 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/title_wrapper"
+    android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:orientation="vertical">
+    android:layout_marginStart="48dp"
+    android:layout_marginTop="16dp"
+    android:layout_marginBottom="16dp"
+    android:background="?attr/selectableItemBackground">
 
-    <androidx.constraintlayout.widget.ConstraintLayout
-        android:id="@+id/title_wrapper"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_marginStart="@dimen/search_result_wrapper_margin_start"
-        android:layout_marginTop="@dimen/search_result_wrapper_margin_top"
-        android:layout_marginBottom="@dimen/search_result_wrapper_margin_bottom"
-        android:background="?attr/selectableItemBackground">
+    <TextView
+        android:id="@+id/search_result_pref_title"
+        style="@style/TextAppearance.Regular.SubHeading"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:text="Title" />
 
-        <TextView
-            android:id="@+id/search_result_pref_title"
-            style="@style/TextAppearance.Regular.SubHeading"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toTopOf="parent"
-            tools:text="Title" />
+    <TextView
+        android:id="@+id/search_result_pref_summary"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/search_result_pref_title"
+        tools:text="Summary" />
 
-        <TextView
-            android:id="@+id/search_result_pref_summary"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/search_result_pref_title"
-            tools:text="Summary" />
+    <TextView
+        android:id="@+id/search_result_pref_breadcrumb"
+        style="@style/TextAppearance.Regular.Caption"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:ellipsize="end"
+        android:maxLines="1"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/search_result_pref_summary"
+        tools:text="Location" />
+</androidx.constraintlayout.widget.ConstraintLayout>
 
-        <TextView
-            android:id="@+id/search_result_pref_breadcrumb"
-            style="@style/TextAppearance.Regular.Caption"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:ellipsize="end"
-            android:maxLines="1"
-            app:layout_constraintEnd_toEndOf="parent"
-            app:layout_constraintStart_toStartOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/search_result_pref_summary"
-            tools:text="Location" />
-
-
-    </androidx.constraintlayout.widget.ConstraintLayout>
-
-</LinearLayout>

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

@@ -23,8 +23,4 @@
     <dimen name="text_small_body">14sp</dimen>
 
     <dimen name="bottom_sheet_width">0dp</dimen>
-
-    <dimen name="search_result_wrapper_margin_start">50dp</dimen>
-    <dimen name="search_result_wrapper_margin_top">20dp</dimen>
-    <dimen name="search_result_wrapper_margin_bottom">20dp</dimen>
 </resources>