AndroidA02ApB - Padding vs Margin

layout_padding_vs_margin.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/activity_main"
    android:orientation="vertical"
    android:background="#fcc"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:id="@+id/imageView"
        android:background="#ccf"
        android:src="@drawable/sample"
        android:padding="20dp"
        android:layout_margin="30dp"
        android:layout_width="500px"
        android:layout_height="500px" />

    <TextView
        android:background="#cfc"
        android:text="Estou embaixo de vc."
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_below="@id/imageView"
        android:layout_alignParentEnd="true"
        android:layout_marginEnd="36dp" />

    <TextView
        android:background="#cfc"
        android:text="Estou ao seu lado esquerdo"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_toRightOf="@id/imageView" />


</RelativeLayout>