Created by Jerry Wang, last modified on Jan 18, 2015

Set the breakpoint to the following two lines and they will be triggered once you perform navigation in UI:

The variable I in line 2457 contains navigation target:

?

拿到navigation target的ID：

?

fire一個navigation事件，source和target信息存放在變量n里：

然后就call renderManager開始繪制navigation target的UI：

總結

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