Android Programming: The Big Nerd Ranch Guide

Finishing the Layout

Now that you have your styles set up, you can save some serious time. Let’s flesh out the remote control interface to a full, luxurious 12-key version, complete with ten deluxe decimal digits.

Now you need to create a 3 x 4 array of nearly identical buttons. But there’s no need to code them all individually. You can create one row of three buttons and then use it four times. Create a new file called res/layout/button_row.xml and move the row of buttons you have already defined into it.

Listing 24.7  A row of three buttons (layout/button_row.xml)

<​?​x​m​l​ ​v​e​r​s​i​o​n​=​"​1​.​0​"​ ​e​n​c​o​d​i​n​g​=​"​u​t​f​-​8​"​?​>​
<​T​a​b​l​e​R​o​w​ ​x​m​l​n​s​:​a​n​d​r​o​i​d​=​"​h​t​t​p​:​/​/​s​c​h​e​m​a​s​.​a​n​d​r​o​i​d​.​c​o​m​/​a​p​k​/​r​e​s​/​a​n​d​r​o​i​d​"​ ...