Read only

1. Read only or not editable

 android:editable="false"

<EditText
    android:id="@+id/et_test_id"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="10dp"
    android:layout_marginTop="40dp"
    android:hint="ID"
    android:textSize="20sp"
    android:editable="false"
    />