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hardware service for LEDDemo, aidl, LedService.java, jni, hal and so on
This project forked from weidongshan/sys_0001_leddemo
hardware service for LEDDemo, aidl, LedService.java, jni, hal and so on
(1) AIDL 1. 把 ILedService.aidl 放入 frameworks/base/core/java/android/os 2. 修改 frameworks/base/Android.mk 添加一行 core/java/android/os/IVibratorService.aidl \ + core/java/android/os/ILedService.aidl \ 3. mmm frameworks/base 4. 它会生成: ./out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/src/core/java/android/os/ILedService.java (2) Server : LedService.java SystemServer.java 把新文件上传到服务器, 所在目录: frameworks/base/services/java/com/android/server/SystemServer.java frameworks/base/services/core/java/com/android/server/LedService.java 不需要修改 frameworks/base/services/core/Android.mk 它的内容里已经把该目录下所有JAVA文件自动包含进去了: LOCAL_SRC_FILES += \ $(call all-java-files-under,java) (3) JNI : com_android_server_LedService.cpp onload.cpp 把新文件上传到服务器, 所在目录: frameworks/base/services/core/jni/onload.cpp frameworks/base/services/core/jni/com_android_server_LedService.cpp 修改 frameworks/base/services/core/jni/Android.mk : $(LOCAL_REL_DIR)/com_android_server_VibratorService.cpp \ + $(LOCAL_REL_DIR)/com_android_server_LedService.cpp \ 编译: $ mmm frameworks/base/services $ make snod $ ./gen-img.sh V2: (3) JNI: 重新上传 frameworks/base/services/core/jni/com_android_server_LedService.cpp (4) HAL: led_hal.h led_hal.c 把新文件上传到服务器, 所在目录: hardware/libhardware/include/hardware/led_hal.h hardware/libhardware/modules/led/led_hal.c hardware/libhardware/modules/led/Android.mk Android.mk内容如下: LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) LOCAL_MODULE := led.default LOCAL_MODULE_RELATIVE_PATH := hw LOCAL_C_INCLUDES := hardware/libhardware LOCAL_SRC_FILES := led_hal.c LOCAL_SHARED_LIBRARIES := liblog LOCAL_MODULE_TAGS := eng include $(BUILD_SHARED_LIBRARY) 编译: $ mmm frameworks/base/services $ mmm hardware/libhardware/modules/led $ make snod $ ./gen-img.sh
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