diff --git a/app/src/main/java/com/skydoves/needsdemo/MainActivity.kt b/app/src/main/java/com/skydoves/needsdemo/MainActivity.kt
index 072c4e1..f69a71a 100644
--- a/app/src/main/java/com/skydoves/needsdemo/MainActivity.kt
+++ b/app/src/main/java/com/skydoves/needsdemo/MainActivity.kt
@@ -20,44 +20,49 @@ import android.os.Bundle
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
 import com.skydoves.needs.Needs
-import com.skydoves.needs.OnConfirmListener
+import com.skydoves.needs.needs
+import com.skydoves.needs.showNeeds
 import kotlinx.android.synthetic.main.activity_main.*
 
 class MainActivity : AppCompatActivity() {
 
-  private lateinit var needs: Needs
+  private lateinit var needs0: Needs
+  private val needs1 by needs {
+    NeedsUtils.getNeedsStyle1(this, this)
+  }
 
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
     setContentView(R.layout.activity_main)
 
-    this.needs = NeedsUtils.getNeedsStyle1(this, this)
+    needs1.setOnConfirmListener { needs1.dismiss() }
+    needs1.showNeeds(button0)
+
+    this.needs0 = NeedsUtils.getNeedsStyle1(this, this)
 
     button0.setOnClickListener {
-      needs = NeedsUtils.getNeedsStyle0(this, this)
+      needs0 = NeedsUtils.getNeedsStyle0(this, this)
       setOnConfirmListener()
-      needs.show(main)
+      needs0.show(main)
     }
 
     button1.setOnClickListener {
-      needs = NeedsUtils.getNeedsStyle1(this, this)
+      needs0 = NeedsUtils.getNeedsStyle1(this, this)
       setOnConfirmListener()
-      needs.show(main)
+      needs0.show(main)
     }
   }
 
   private fun setOnConfirmListener() {
-    needs.setOnConfirmListener(object : OnConfirmListener {
-      override fun onConfirm() {
-        Toast.makeText(baseContext, "Confirmed!", Toast.LENGTH_SHORT).show()
-        needs.dismiss()
-      }
-    })
+    needs0.setOnConfirmListener {
+      Toast.makeText(baseContext, "Confirmed!", Toast.LENGTH_SHORT).show()
+      needs0.dismiss()
+    }
   }
 
   override fun onBackPressed() {
-    if (needs.isShowing) {
-      needs.dismiss()
+    if (needs0.isShowing) {
+      needs0.dismiss()
     } else {
       super.onBackPressed()
     }
diff --git a/dependencies.gradle b/dependencies.gradle
index 2bf8a66..ff2d5ac 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -1,13 +1,13 @@
 ext.versions = [
     minSdk             : 16,
     compileSdk         : 29,
-    versionCode        : 4,
-    versionName        : '1.0.3',
+    versionCode        : 5,
+    versionName        : '1.0.4',
 
     gradleBuildTool    : '3.4.2',
     spotlessGradle     : '3.23.1',
     dokkaGradle        : '0.9.17',
-    bintrayRelease     : '0.9',
+    bintrayRelease     : '0.9.1',
 
     kotlin             : '1.3.41',
     androidxAppcompat  : '1.1.0-rc01',
diff --git a/gradlew b/gradlew
old mode 100644
new mode 100755
diff --git a/needs/src/main/java/com/skydoves/needs/NeedsExtension.kt b/needs/src/main/java/com/skydoves/needs/NeedsExtension.kt
index b01912c..beb84f9 100644
--- a/needs/src/main/java/com/skydoves/needs/NeedsExtension.kt
+++ b/needs/src/main/java/com/skydoves/needs/NeedsExtension.kt
@@ -64,4 +64,3 @@ inline fun Fragment.needs(
 ): Lazy<Needs> {
   return lazy { needsProducer() }
 }
-