More objectives in README

README.org

@@ -44,8 +44,31 @@ Code and instructions for the 2019 LIU Apps Summer Honors Institute
 
 * Binary, hex, & colors
 
+** Learning objectives
+- Convert between binary and decimal, and between binary and
+  hexadecimal.
+- Understand additive color model where red-green-blue can be combined
+  to convey other hues.
+
+** Tasks
+- Demonstrations for this unit are in ~lesson3~ branch.
+
 * Layouts & XML
 
+** Learning objectives
+- Construct basic layouts using horizontal and vertical LinearLayout.
+- Understand the parameters and options for width, height, weight,
+  padding, gravity.
+- Edit in both Design mode and Text (XML) mode
+
+** Tasks
+- Starting from ~lesson4~ branch, build a layout like my FloodGame
+  options screen, featuring title, play button, two SeekBars
+  (sliders), and some RadioButtons. (The palettes don't need to show
+  multiple colors; we'll cover that later in "Custom views.")
+
+[[file:etc/floodgame-options.png]]
+
 * Life cycle & saveInstanceState
 
 * Custom views & onDraw