Eclipse中的“Open Declaration”导航到类文件而不是Android库的源文件

I have two Android Projects 'A' and 'B'. 'B' depends on 'A' and is a Library. Whenever I'm in Project 'B' and hit 'Open Declaration' for a Java source file which resides in 'A', Eclipse navigates to the class file instead of the source file. This of course has several disadvantages!I have two Android Projects 'A' and 'B'. 'B' de