Don't go to parent activity when back button is pressed in action bar

app/src/main/java/foundation/e/accountmanager/ui/setup/CreateAccountActivity.kt

@@ -9,6 +9,7 @@
 package foundation.e.accountmanager.ui.setup
 
 import android.os.Bundle
+import android.view.MenuItem
 import androidx.appcompat.app.AppCompatActivity
 import foundation.e.accountmanager.R
 
@@ -23,4 +24,12 @@ class CreateAccountActivity : AppCompatActivity() {
             commit()
         }
     }
+
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        if (item.itemId == android.R.id.home) {
+            finish()
+            return true
+        }
+        return false
+    }
 }
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