try warning

Author: noboru-i

app/src/main/AndroidManifest.xml

@@ -2,7 +2,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.monstar_lab.sample.android.kotlin">
 
-    <application
+    <application 
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"

app/src/main/java/com/monstar_lab/sample/android/kotlin/MainActivity.kt

@@ -15,7 +15,7 @@ class MainActivity : AppCompatActivity() {
         setContentView(R.layout.activity_main)
         setSupportActionBar(toolbar)
 
-        fab.setOnClickListener { view ->
+        fab.setOnClickListener {view ->
             Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                     .setAction("Action", null).show()
         }
@@ -27,6 +27,7 @@ class MainActivity : AppCompatActivity() {
         return true
     }
 
+
     override fun onOptionsItemSelected(item: MenuItem): Boolean {
         // Handle action bar item clicks here. The action bar will
         // automatically handle clicks on the Home/Up button, so long