Resource files:strings.xml, colors.xml
Know how to use the colors and strings in the resource files for an app.
Layouts: Measurement unit for distance: dp
Measurement unit for font size: sp
Special values for layout and widget width and height: match_parent wrap_content
All Layouts XML Attributes: id layout_width layout_height
layout_margin (layout_margin_bottom layout_margin_left layout_margin_right
layout_margin_top) padding (padding_bottom padding_left
padding_right padding_top)
Java Methods: getHeight getWidth
Classes for SQLite Databases:
SQLiteDatabaseHelper, SQLiteDatabase,
ContentValues, Cursor
Objects for Drawing:Canvas,
Paint
Events:Click, LongClick,
Touch, ItemClick. Know the
three ways of setting up an event handler for a layout or widget: (1) onClick
attribute, (2) anonymous class, (3) anonymous method.