lab1

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

@@ -1,19 +1,27 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/main"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    android:orientation="vertical"
+    android:padding="16dp">
 
-    <TextView
+    <EditText
+        android:id="@+id/etInput"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="Введите текст" />
+
+    <Button
+        android:id="@+id/btnApply"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:layout_marginTop="12dp"
+        android:text="Преобразовать" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+    <TextView
+        android:id="@+id/tvResult"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="24dp"
+        android:text="Здесь будет результат"
+        android:textSize="18sp" />
+</LinearLayout>