Advanced Mac OS X Programming: The Big Nerd Ranch Guide

Exercises

1. Add NSHost to CFChatterClient.

2. Add the observer callback to your CFChatterClient.

3. If you run scf-dump on a laptop, you’ll probably see something like this:

   k​e​y​ ​i​s​ ​S​t​a​t​e​:​/​I​O​K​i​t​/​P​o​w​e​r​S​o​u​r​c​e​s​/​I​n​t​e​r​n​a​l​B​a​t​t​e​r​y​-​0​
    ​ ​ ​ ​M​a​x​ ​C​a​p​a​c​i​t​y​ ​:​ ​9​6​2​
    ​ ​ ​ ​C​u​r​r​e​n​t​ ​C​a​p​a​c​i​t​y​ ​:​ ​9​6​2​
    ​ ​ ​ ​N​a​m​e​ ​:​ ​I​n​t​e​r​n​a​l​B​a​t​t​e​r​y​-​0​
    ​ ​ ​ ​I​s​ ​P​r​e​s​e​n​t​ ​:​ ​1​
    ​ ​ ​ ​I​s​ ​C​h​a​r​g​i​n​g​ ​:​ ​0​
    ​ ​ ​ ​T​i​m​e​ ​t​o​ ​F​u​l​l​ ​C​h​a​r​g​e​ ​:​ ​0​
    ​ ​ ​ ​T​r​a​n​s​p​o​r​t​ ​T​y​p​e​ ​:​ ​I​n​t​e​r​n​a​l​
    ​ ​ ​ ​T​i​m​e​ ​t​o​ ​E​m​p​t​y​ ​:​ ​0​
    ​ ​ ​ ​P​o​w​e​r​ ​S​o​u​r​c​e​ ​S​t​a​t​e​ ​:​ ​A​C​ ​P​o​w​e​r​
   

   Extend the SCFMonitor application to ...