Google公布I/O 2017 for Android的源代码
https://mp.weixin.qq.com/s?__biz=MzAwODY4OTk2Mg==&mid=2652044547&idx=1&sn=56e1fd4a5c95dfb8b699546cde3ee06e&chksm=808d5d46b7fad4506c65e4e30f4a5f808d344ee39ccc31898335081ae3807f088ff75bf482ef&mpshare=1&scene=24&srcid=0828s1CDjmF4kOaYj0otzJvg&key=a36d146816aabd345d2fc42605856420076241035bd2e2425e11ceab2d5ed95f81c0ba0125e220032da004885ce6b5d5838344d342e8071c96370e0b685f8772fb10b0b7367d64873ae476cdba243683&ascene=0&uin=MjE4MTczNDcwMA%3D%3D&devicetype=iMac+MacBookAir6%2C1+OSX+OSX+10.12.5+build(16F73)&version=1202
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