diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index c93af55a..e3733c8a 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest package="notes.simplemobiletools.com"
-          xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest
+    package="notes.simplemobiletools.com"
+    xmlns:android="http://schemas.android.com/apk/res/android">
 
     <application
         android:allowBackup="true"
diff --git a/app/src/main/java/notes/simplemobiletools/com/MainActivity.java b/app/src/main/java/notes/simplemobiletools/com/MainActivity.java
index 0f9f4eaf..5fcc5c80 100644
--- a/app/src/main/java/notes/simplemobiletools/com/MainActivity.java
+++ b/app/src/main/java/notes/simplemobiletools/com/MainActivity.java
@@ -1,7 +1,7 @@
 package notes.simplemobiletools.com;
 
-import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
 
 public class MainActivity extends AppCompatActivity {
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index e0a3821d..abcf8fcb 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,17 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:paddingBottom="@dimen/activity_vertical_margin"
-    android:paddingLeft="@dimen/activity_horizontal_margin"
-    android:paddingRight="@dimen/activity_horizontal_margin"
-    android:paddingTop="@dimen/activity_vertical_margin"
-    tools:context="notes.simplemobiletools.com.MainActivity">
+    android:padding="@dimen/activity_margin">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"/>
+    <EditText
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@null"
+        android:gravity="top"/>
 </RelativeLayout>
diff --git a/app/src/main/res/values-w820dp/dimens.xml b/app/src/main/res/values-w820dp/dimens.xml
deleted file mode 100644
index 63fc8164..00000000
--- a/app/src/main/res/values-w820dp/dimens.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<resources>
-    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
-         (such as screen margins) for screens with more than 820dp of available width. This
-         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
-    <dimen name="activity_horizontal_margin">64dp</dimen>
-</resources>
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 47c82246..e641ba45 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -1,5 +1,3 @@
 <resources>
-    <!-- Default screen margins, per the Android Design guidelines. -->
-    <dimen name="activity_horizontal_margin">16dp</dimen>
-    <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="activity_margin">16dp</dimen>
 </resources>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index 5885930d..b4390a21 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -1,8 +1,6 @@
 <resources>
 
-    <!-- Base application theme. -->
     <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
-        <!-- Customize your theme here. -->
         <item name="colorPrimary">@color/colorPrimary</item>
         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
         <item name="colorAccent">@color/colorAccent</item>