diff --git a/app/src/main/java/com/xiaweizi/marqueetextview/MainActivity.kt b/app/src/main/java/com/xiaweizi/marqueetextview/MainActivity.kt
index cc0fdcd..fe5d6d3 100644
--- a/app/src/main/java/com/xiaweizi/marqueetextview/MainActivity.kt
+++ b/app/src/main/java/com/xiaweizi/marqueetextview/MainActivity.kt
@@ -1,12 +1,14 @@
 package com.xiaweizi.marqueetextview
 
-import android.support.v7.app.AppCompatActivity
 import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import kotlinx.android.synthetic.main.activity_main.*
 
 class MainActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        marquee.startScroll()
     }
 }
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 5003d6a..71cfcec 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -6,10 +6,14 @@
     android:layout_height="match_parent"
     tools:context="com.xiaweizi.marqueetextview.MainActivity">
 
-    <TextView
+    <com.xiaweizi.marquee.MarqueeTextView
+        android:id="@+id/marquee"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="Hello World!"
+        app:scroll_mode="mode_forever"
+        app:scroll_interval="10000"
+        app:scroll_first_delay="0"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintLeft_toLeftOf="parent"
         app:layout_constraintRight_toRightOf="parent"