使Android源代码中的应用程序编译为system/app

Question

我正在努力学习如何在android源代码中编译一个应用程序。这个应用程序只是一个简单的hello world应用程序。我遵循Making an app in the Android Source compile into system/app instead of data/app?和其他几个来源的指示。但是，当我制作应用程序时，apk文件被写入带有后缀中介的obj/app，而不是system/app，并且在启动时无法在模拟器中显示。请在Android.mk文件下面找到。

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)

LOCAL_MODULE_TAGS := tests 

LOCAL_MODULE_PATH := system/app

LOCAL_UNINSTALLABLE_MODULE := true

LOCAL_SDK_VERSION := current

LOCAL_PACKAGE_NAME := MyApplication

LOCAL_STATIC_JAVA_LIBRARIES := android-support-v4
LOCAL_STATIC_JAVA_LIBRARIES += android-support-v7-appcompat
LOCAL_STATIC_JAVA_LIBRARIES += android-support-v7-gridlayout
LOCAL_STATIC_JAVA_LIBRARIES += android-support-v13
LOCAL_STATIC_JAVA_LIBRARIES += android-support-design

LOCAL_SRC_FILES := $(call all-java-files-under, src)

LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/res
LOCAL_RESOURCE_DIR += prebuilts/sdk/current/support/v7/appcompat/res
LOCAL_RESOURCE_DIR += prebuilts/sdk/current/support/v7/gridlayout/res
LOCAL_RESOURCE_DIR += prebuilts/sdk/current/support/design/res

LOCAL_CERTIFICATE := platform

LOCAL_AAPT_FLAGS := --auto-add-overlay
LOCAL_AAPT_FLAGS += --extra-packages android.support.v7.appcompat:android.support.v7.gridlayout

include $(BUILD_PACKAGE)
##################################################
include $(CLEAR_VARS)

include $(BUILD_MULTI_PREBUILT)

# Use the following include to make our test apk.
include $(call all-makefiles-under,$(LOCAL_PATH))

我通过进入包/应用程序中的应用程序目录并执行“mm”操作来创建应用程序。这里有我遗漏的东西吗？

Answer 1

查找BoardConfig.mk并添加以下内容：

PRODUCT_PACKAGES += MyApplication

AOSP构建系统将构建每个Android.mk，但是只有在BoardConfig中定义的包才会被放入最终的产品路径。

Answer 2

您必须从设备/“您的首选供应商”/“device_name”/aosp_“设备名称”.mk文件中将应用程序模块添加到.mk中

它应该如下所示

$(call inherit-product, device/lge/hammerhead/full_hammerhead.mk)

PRODUCT_NAME := aosp_hammerhead

PRODUCT_PACKAGES += \
        Launcher3 \
    MyApplication \

Answer 3

有点改变了。Aosp检查/device/"vendor"/"your_device"/"your_platform"/base.mk文件是否编译，以及/device/“your_device”/Common/base.mk用于将apk安装到/out/target/product/" your _device/system/ app /“，应该将应用程序名添加到两个文件中。在我的例子中，aosp/device/qcom/qssi/base.mk编译，aosp/device/qcom/公用/base.mk将输出(Apk)安装到/out/target/product/msm8953/system/app/