Rockchip查看Android SDK版本

拿到SDK如果不知道Android版本为多少可以到
./build/core/version_defaults.mk 查看
PLATFORM_VERSION := 7.1.2

ifeq "" "$(PLATFORM_VERSION)"
  # This is the canonical definition of the platform version,
  # which is the version that we reveal to the end user.
  # Update this value when the platform version changes (rather
  # than overriding it somewhere else).  Can be an arbitrary string.

  # When you add a new PLATFORM_VERSION which will result in a new
  # PLATFORM_SDK_VERSION please ensure you add a corresponding isAtLeast*
  # method in the following java file:
  # frameworks/support/compat/gingerbread/android/support/v4/os/BuildCompat.java

  # When you change PLATFORM_VERSION for a given PLATFORM_SDK_VERSION
  # please add that PLATFORM_VERSION to the following text file:
  # cts/tests/tests/os/assets/platform_versions.txt
  PLATFORM_VERSION := 7.1.2
endif

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代码参考RK3399 Android SDK