本课内容目前为英文。
Rows, columns and lists
A post card is a column: a header row, the text, a row of buttons. A leaderboard is a scrolling list. A handful of layout widgets builds almost every screen you will ever need.
本课内容目前为英文。
A post card is a column: a header row, the text, a row of buttons. A leaderboard is a scrolling list. A handful of layout widgets builds almost every screen you will ever need.