我们通过调用recovery_ui.cpp中make_device()函数来创建一个Device的实例,如下:
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class TardisDevice : public Device {
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// ... all the above methods ...
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};
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Device* make_device() {
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return new TardisDevice();
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}
编译recovery_ui.cpp
再通过前一篇对recovery_ui.cpp的介绍我们来介绍一下如何为recovery_ui.cpp创建一个静态库。
Device/yoyodyne/tardis/recovery/Android.mk
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LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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LOCAL_MODULE_TAGS := eng
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LOCAL_C_INCLUDES += bootable/recovery
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LOCAL_SRC_FILES := recovery_ui.cpp
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# should match TARGET_RECOVERY_UI_LIB set in BoardConfig.mk
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LOCAL_MODULE := librecovery_ui_tardis
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include $(BUILD_STATIC_LIBRARY)
然后我们在BoardConfig.mk文件中指定静态库中TARGET_RECOVERY_UI_LIB的值,如下:
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device/yoyodyne/tardis/BoardConfig.mk
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[...]
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# device-specific extensions to the recovery UI
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TARGET_RECOVERY_UI_LIB := librecovery_ui_tardis
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