This is so cute

app/src/main/java/partisan/weforge/xyz/pulse/MainFragment.kt

@@ -1,16 +1,22 @@
 package partisan.weforge.xyz.pulse
 
 import android.os.Bundle
-import android.util.Log
+import android.os.SystemClock
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import com.google.android.material.button.MaterialButton
+import nl.dionsegijn.konfetti.core.Party
+import nl.dionsegijn.konfetti.core.Position
+import nl.dionsegijn.konfetti.core.emitter.Emitter
+import nl.dionsegijn.konfetti.xml.KonfettiView
+import java.util.concurrent.TimeUnit
 
 class MainFragment : Fragment() {
 
     private lateinit var prefs: Preferences
+    private var lastConfettiTime = 0L
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -21,6 +27,8 @@ class MainFragment : Fragment() {
         prefs = Preferences(requireContext())
 
         val toggle = view.findViewById<MaterialButton>(R.id.toggle)
+        val konfetti = view.findViewById<KonfettiView>(R.id.confettiView)
+
         toggle.isCheckable = true
         toggle.isChecked = prefs.isServiceEnabledByUser
 
@@ -29,10 +37,19 @@ class MainFragment : Fragment() {
             val isNowChecked = toggle.isChecked
             prefs.isServiceEnabledByUser = isNowChecked
 
-            // Log.d("ButtonState", """
-            //     User toggle: $isNowChecked
-            //     Prefs effective state (hasPerms): ${prefs.isEnabled}
-            // """.trimIndent())
+            if (isNowChecked && SystemClock.elapsedRealtime() - lastConfettiTime > 500) {
+                konfetti.start(
+                    Party(
+                        emitter = Emitter(duration = 100, TimeUnit.MILLISECONDS).perSecond(100),
+                        speed = 30f,
+                        maxSpeed = 40f,
+                        damping = 0.85f,
+                        spread = 360,
+                        position = Position.Relative(0.5, 0.5)
+                    )
+                )
+                lastConfettiTime = SystemClock.elapsedRealtime()
+            }
 
             toggle.post {
                 toggle.jumpDrawablesToCurrentState()

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

@@ -4,6 +4,12 @@
     android:layout_height="match_parent"
     android:gravity="center">
 
+    <nl.dionsegijn.konfetti.xml.KonfettiView
+        android:id="@+id/confettiView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_gravity="center" />
+
     <View
         android:layout_width="104dp"
         android:layout_height="104dp"