040000 tree 1785fc8c6a7cb6345a239be19216d98b3be843ce	android
040000 tree 62a0364e097b74eb4a2b59ac3608802465c37a44	linux
040000 tree c1e8a8a80236f2574e09b85352dcb0651de6c04d	openiotsdk
040000 tree b43723ab38d0cd60eb7f4f41195d02baf5b8e276	tv-common