feat: fast scrolling

butzist · Feb 17, 2024 · 6581c19 · 6581c19
1 parent 6cc68d2
commit 6581c19
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Showing 8 changed files with 64 additions and 4 deletions.
diff --git a/app/src/main/java/de/szalkowski/activitylauncher/ui/ActivityListFragment.kt b/app/src/main/java/de/szalkowski/activitylauncher/ui/ActivityListFragment.kt
@@ -7,7 +7,6 @@ import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
 import androidx.navigation.fragment.navArgs
-import androidx.recyclerview.widget.LinearLayoutManager
 import dagger.hilt.android.AndroidEntryPoint
 import de.szalkowski.activitylauncher.databinding.FragmentActivityListBinding
 import javax.inject.Inject
@@ -48,7 +47,7 @@ class ActivityListFragment : Fragment() {
         }
 
         binding.rvActivities.adapter = activityListAdapter
-        binding.rvActivities.layoutManager = LinearLayoutManager(requireContext())
+        binding.rvActivities.isNestedScrollingEnabled = false
     }
 
     override fun onDestroyView() {

diff --git a/app/src/main/java/de/szalkowski/activitylauncher/ui/PackageListFragment.kt b/app/src/main/java/de/szalkowski/activitylauncher/ui/PackageListFragment.kt
@@ -6,7 +6,6 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.navigation.fragment.findNavController
-import androidx.recyclerview.widget.LinearLayoutManager
 import dagger.hilt.android.AndroidEntryPoint
 import de.szalkowski.activitylauncher.databinding.FragmentPackageListBinding
 import javax.inject.Inject
@@ -37,7 +36,6 @@ class PackageListFragment : Fragment() {
             findNavController().navigate(action)
         }
         binding.rvPackages.adapter = packageListAdapter
-        binding.rvPackages.layoutManager = LinearLayoutManager(requireContext())
         binding.rvPackages.isNestedScrollingEnabled = false
     }
 

diff --git a/app/src/main/res/drawable/fast_scroll_thumb.xml b/app/src/main/res/drawable/fast_scroll_thumb.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- CC BY-SA 4.0 https://stackoverflow.com/a/46026362 -->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:state_pressed="true"
+        android:drawable="@drawable/shape_thumb"/>
+
+    <item
+        android:drawable="@drawable/shape_thumb"/>
+</selector>
diff --git a/app/src/main/res/drawable/fast_scroll_track.xml b/app/src/main/res/drawable/fast_scroll_track.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- CC BY-SA 4.0 https://stackoverflow.com/a/46026362 -->
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:state_pressed="true"
+        android:drawable="@drawable/shape_track"/>
+
+    <item
+        android:drawable="@drawable/shape_track"/>
+</selector>
diff --git a/app/src/main/res/drawable/shape_thumb.xml b/app/src/main/res/drawable/shape_thumb.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- CC BY-SA 4.0 https://stackoverflow.com/a/46026362 -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <corners
+        android:topLeftRadius="44dp"
+        android:topRightRadius="44dp"
+        android:bottomLeftRadius="44dp" />
+
+    <padding
+        android:paddingLeft="22dp"
+        android:paddingRight="22dp" />
+
+    <solid android:color="@color/material_dynamic_primary20" />
+</shape>
diff --git a/app/src/main/res/drawable/shape_track.xml b/app/src/main/res/drawable/shape_track.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- CC BY-SA 4.0 https://stackoverflow.com/a/46026362 -->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <solid android:color="@android:color/darker_gray" />
+
+    <padding
+        android:bottom="10dp"
+        android:left="10dp"
+        android:right="10dp"
+        android:top="10dp" />
+</shape>
diff --git a/app/src/main/res/layout/fragment_activity_list.xml b/app/src/main/res/layout/fragment_activity_list.xml
@@ -7,10 +7,17 @@
     android:padding="16dp"
     tools:context=".ui.ActivityListFragment">
 
+    <!-- CC BY-SA 4.0 https://stackoverflow.com/a/46026362 -->
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/rvActivities"
         android:layout_width="0dp"
         android:layout_height="0dp"
+        app:fastScrollEnabled="true"
+        app:fastScrollHorizontalThumbDrawable="@drawable/fast_scroll_thumb"
+        app:fastScrollHorizontalTrackDrawable="@drawable/fast_scroll_track"
+        app:fastScrollVerticalThumbDrawable="@drawable/fast_scroll_thumb"
+        app:fastScrollVerticalTrackDrawable="@drawable/fast_scroll_track"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"

diff --git a/app/src/main/res/layout/fragment_package_list.xml b/app/src/main/res/layout/fragment_package_list.xml
@@ -7,10 +7,17 @@
     android:padding="16dp"
     tools:context=".ui.PackageListFragment">
 
+    <!-- CC BY-SA 4.0 https://stackoverflow.com/a/46026362 -->
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/rvPackages"
         android:layout_width="0dp"
         android:layout_height="0dp"
+        app:fastScrollEnabled="true"
+        app:fastScrollHorizontalThumbDrawable="@drawable/fast_scroll_thumb"
+        app:fastScrollHorizontalTrackDrawable="@drawable/fast_scroll_track"
+        app:fastScrollVerticalThumbDrawable="@drawable/fast_scroll_thumb"
+        app:fastScrollVerticalTrackDrawable="@drawable/fast_scroll_track"
+        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"