Modify UI (Design your app’s look).
Next Steps: What Do You Want to Do? 1️⃣ Modify UI (Design your app’s look). 2️⃣ Write Code (Add functionality like buttons). 3️⃣ Run the App (Test on an emulator or phone). ------------------------------------------------------------------------------------------- Great! Let’s modify the UI (User Interface) of your app. 🎨📱 Step 1: Open the Layout File In the Left Panel , go to: nginx Copy Edit app → res → layout → activity_main.xml Click on activity_main.xml . Step 2: Choose Design Mode At the top-right of the middle panel, select: ✅ "Design" (for drag-and-drop editing) ✅ "Split" (to see code + preview together) Step 3: Create a 3-Part Layout (Left, Middle, Right) We will use a LinearLayout with horizontal orientation to divide the screen into three sections . XML Code for a Simple 3-Part Layout Replace the existing ConstraintLayout with this: xml Copy Edit < LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android" ...