报错：
Android resource linking failed
C:\Users\zoukaicai\Desktop\testFBA\app\src\main\res\layout\activity_main.xml:10: error: attribute fab_orientation (aka com.ruijie.testfba:fab_orientation) not found.
C:\Users\zoukaicai\Desktop\testFBA\app\src\main\res\layout\activity_main.xml:10: error: attribute fab_spacing (aka com.ruijie.testfba:fab_spacing) not found.
C:\Users\zoukaicai\Desktop\testFBA\app\src\main\res\layout\activity_main.xml:18: error: attribute fab_orientation (aka com.ruijie.testfba:fab_orientation) not found.
C:\Users\zoukaicai\Desktop\testFBA\app\src\main\res\layout\activity_main.xml:18: error: attribute fab_spacing (aka com.ruijie.testfba:fab_spacing) not found.
C:\Users\zoukaicai\Desktop\testFBA\app\src\main\res\layout\activity_main.xml:27: error: attribute fab_orientation (aka com.ruijie.testfba:fab_orientation) not found.
C:\Users\zoukaicai\Desktop\testFBA\app\src\main\res\layout\activity_main.xml:27: error: attribute fab_spacing (aka com.ruijie.testfba:fab_spacing) not found.
C:\Users\zoukaicai\Desktop\testFBA\app\src\main\res\layout\activity_main.xml:37: error: attribute fab_orientation (aka com.ruijie.testfba:fab_orientation) not found.
C:\Users\zoukaicai\Desktop\testFBA\app\src\main\res\layout\activity_main.xml:37: error: attribute fab_spacing (aka com.ruijie.testfba:fab_spacing) not found.
error: failed linking file resources.
解决方案：
使用第三方包之前要先引入design包
compile 'com.android.support:design:25.3.1'
由于是第三方库的控件，因此要用它的完整地址：android.support.design.widget.FloatingActionButton
