diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index a116b8b..be8829c 100755
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Tue Nov 14 15:17:22 WET 2017
+#Tue Apr 29 11:42:42 IST 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
diff --git a/sample/src/main/java/com/github/ybq/android/loading/MainActivity.kt b/sample/src/main/java/com/github/ybq/android/loading/MainActivity.kt
new file mode 100644
index 0000000..031d90d
--- /dev/null
+++ b/sample/src/main/java/com/github/ybq/android/loading/MainActivity.kt
@@ -0,0 +1,30 @@
+package com.example.myapplication
+
+
+import android.os.Bundle
+import android.view.View
+import android.widget.ProgressBar
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import com.github.ybq.android.spinkit.sprite.Sprite
+import com.github.ybq.android.spinkit.style.DoubleBounce
+import com.github.ybq.android.spinkit.style.Wave
+
+
+class MainActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.activity_main)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+        val progressBar = findViewById<View>(R.id.spin_kit) as ProgressBar
+        val wave: Sprite = Wave()
+        progressBar.indeterminateDrawable = wave
+    }
+}
\ No newline at end of file