initial works with ugly design

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center"
+    android:orientation="vertical"
+    android:padding="20dp">
+
+    <EditText
+        android:id="@+id/timerInput"
+        android:hint="Sleep Timer (Minuten)"
+        android:inputType="number"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
+    <Button
+        android:id="@+id/startBtn"
+        android:text="Start"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
+</LinearLayout>

app/src/main/res/values/styles.xml

@@ -0,0 +1,3 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <style name="Theme.AppCompat.Light.NoActionBar" parent="Theme.AppCompat.Light.NoActionBar" />
+</resources>