预安装一些应用程序，以便用户无需root即可将其卸载 [英] Pre-install some apps so they can be uninstalled without root by user

问题描述

我（作为AOSP生成器）可以预安装一些应用程序，以便在设备上刻录后轻松卸载（例如常规下载的应用程序）吗？

Can I (As an AOSP builder) pre install some apps so after burning on device, they can easily be uninstalled (like regular downloaded apps)?

我是已经熟悉系统应用程序和priv-apps，但是由于它们位于系统分区中，因此无法将其删除！ （仅在设置菜单中禁用）

I am already familiar with system apps and priv-apps but as they lie in system partition they can not be removed! (only disabled in settings menu)

P.S。我知道华为例如使用/ system / delapp安装此类应用程序。但是，我正在寻找一种通用方法或我正在使用的AMLogic平台！

P.S. I know huawei for example uses /system/delapp to install such apps. But I seek for a general way or for AMLogic platform specifically which I am working on!

推荐答案

您可以通过配置自己的方法生成包含您的应用程序的 userdata.img 文件，然后可以使用 fastboot flash userdata 。

You can do that by configuring your build to produce a userdata.img file with your app(s) included, which you can then flash with fastboot flash userdata.

userdata.img 中这些应用的 Android.mk 文件大致如下所示：

The Android.mk file for these apps that go in userdata.img roughly looks like the following:

include $(CLEAR_VARS)
LOCAL_MODULE := myapp1
LOCAL_SRC_FILES := $(LOCAL_MODULE).apk
LOCAL_MODULE_CLASS := APPS
LOCAL_MODULE_PATH := $(TARGET_OUT_DATA)/app
LOCAL_CERTIFICATE := PRESIGNED
include $(BUILD_PREBUILT)

并将应用添加到 device.mk ：

PRODUCT_PACKAGES += myapp1 myapp2 ...

您应该能够在GitHub上找到很多示例，例如> https://github.com/search?l=Makefile&q=TARGET_OUT_DATA+BUILD_PREBUILT&type=Code

You should be able to find plenty of examples on GitHub, e.g., https://github.com/search?l=Makefile&q=TARGET_OUT_DATA+BUILD_PREBUILT&type=Code

由于您是从头开始构建映像，因此可以将应用程序放入自定义d irectory下并打包脚本以在启动时安装它们（如果尚未安装）。您可以通过编辑 init.rc 文件来调用该脚本，如下所示：

Since you are building the image from scratch, you can put your apps in a custom directory under and package a script to install them on boot time if they are not already installed. You can invoke that script by editing the init.rc file as follows:

on property:dev.bootcomplete=1
    exec - system system -- /system/bin/sh /path/to/installer/script.sh

安装脚本可以很简单：

for apkfile in /path/to/custom/apps/*.apk; do
   /system/bin/pm install "$apkfile"
done

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