Improvements to exiting the app menu

app/src/main/java/eu/ottop/yamlauncher/AppMenuEdgeFactory.kt

@@ -1,17 +1,29 @@
 package eu.ottop.yamlauncher
 
+import android.os.Handler
+import android.os.Looper
 import android.widget.EdgeEffect
 import androidx.recyclerview.widget.RecyclerView
 
 class AppMenuEdgeFactory(private val activity: MainActivity) : RecyclerView.EdgeEffectFactory() {
 
+    private var isScrollingUp = false
+    private val scrollListener = object : RecyclerView.OnScrollListener() {
+        override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
+            isScrollingUp = dy < 0
+        }
+
+    }
     override fun createEdgeEffect(view: RecyclerView, direction: Int): EdgeEffect {
+        view.addOnScrollListener(scrollListener)
         return AppMenuEdgeEffect(activity)
     }
-}
+
-class AppMenuEdgeEffect(private val activity: MainActivity) : EdgeEffect(activity) {
+    inner class AppMenuEdgeEffect(private val activity: MainActivity) : EdgeEffect(activity) {
-    // Adjust the speed here
         private val animationSpeedFactor = 0.5f
+        private val pullDistanceThreshold = 0.03f // Set a suitable threshold
+        private val debounceInterval = 100L // Milliseconds
+        private var lastActionTime = 0L
 
         override fun onAbsorb(velocity: Int) {
             super.onAbsorb((velocity * animationSpeedFactor).toInt())
@@ -19,10 +31,25 @@ class AppMenuEdgeEffect(private val activity: MainActivity) : EdgeEffect(activit
 
         override fun onPull(deltaDistance: Float, displacement: Float) {
             super.onPull(deltaDistance * animationSpeedFactor, displacement)
+            if (shouldTriggerAction(deltaDistance) && isScrollingUp) {
+                super.onPull(deltaDistance * animationSpeedFactor, displacement)
+                if (activity.recyclerAtTop()) {
                     activity.showHome()
                 }
+            } else {
+                super.onPull(deltaDistance * animationSpeedFactor, displacement)
+            }
+        }
 
         override fun onPullDistance(deltaDistance: Float, displacement: Float): Float {
             return super.onPullDistance(deltaDistance * animationSpeedFactor, displacement)
         }
+
+        private fun shouldTriggerAction(deltaDistance: Float): Boolean {
+            val currentTime = System.currentTimeMillis()
+            return deltaDistance > pullDistanceThreshold && (currentTime - lastActionTime > debounceInterval).also {
+                if (it) lastActionTime = currentTime
+            }
+        }
+    }
 }

app/src/main/java/eu/ottop/yamlauncher/MainActivity.kt

@@ -82,6 +82,10 @@ class MainActivity : AppCompatActivity(), AppMenuAdapter.OnItemClickListener, Ap
 
     }
 
+    fun recyclerAtTop() : Boolean {
+        return recyclerView.scrollY == 0
+    }
+
     private fun setupApps() {
         handleListItems()
 

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

@@ -10,6 +10,10 @@
     android:orientation="vertical"
     tools:context=".MainActivity">
 
+    <ViewSwitcher
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
     <LinearLayout
         android:id="@+id/app_view"
         android:layout_width="match_parent"