java条件编译
property_get(variant_keys[i], prop, NULL) 会按如下顺序去获取如下变量所对应的值,然后返回给prop:
"ro.hardware", /* This goes first so that it can pick up a different
file on the emulator. */
"ro.product.board",
"ro.board.platform",
"ro.arch"
它们对应的变量为:
"ro.product.board=$TARGET_BOOTLOADER_BOARD_NAME"
"ro.board.platform=$TARGET_BOARD_PLATFORM"
如vendor/htc/dream-open/BoardConfig.mk里定义的TARGET_BOARD_PLATFORM := msm7k,则prop返回” msm7k ”
如果XML中也有改动,则不能用这个条件编译
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