不想编译的话可以用笔者的镜像:
GitHub链接
Redroid
是什么,不想多说,一个词总结: 云手机
AOSP代码一堆,编译起来要命,所以租个高配服务器,笔者用的是Vultr
的云服务器,6c 16G 320G配置,五个小时才编译出来
装docker,装repo,装git-lfs:
sudo apt install docker.io repo git-lfs
创用户,自己拿adduser
创个,教程一堆,创完给root权限,然后切到这个用户下。
同步代码:
# 这里使用了ice-black-tea大佬的仓库,在此对他表示感谢。
mkdir ~/redroid && cd ~/redroid
sudo repo init -u https://github.com/redroid-rockchip/platform_manifests.git -b redroid-12.0.0 --depth=1 --git-lfs
sudo repo sync -c
同步webview:
sudo apt install git-lfs
sudo repo forall -g lfs -c git lfs pull
修改build/soong/cc/config/global.go
,向commonGlobalCflags
数组添加全局cflags "-DANDROID_12"
代码同步完成后将源码的所有者改为当前用户:
sudo chown -R `whoami`:`whoami` ~/redroid
构建编译镜像:
cd ~/ && git clone https://github.com/remote-android/redroid-doc.git
cd redroid-doc/android-builder-docker/
docker build --build-arg userid=$(id -u) --build-arg groupid=$(id -g) --build-arg username=$(id -un) -t redroid-builder .
启动镜像:
# 建议丢到screen里面
docker run -it --rm --hostname redroid-builder --name redroid-builder -v ~/redroid:/src redroid-builder
在镜像命令行中输入:
cd /src
. build/envsetup.sh
lunch redroid_arm64-userdebug
export TARGET_BOARD_PLATFORM_GPU=mali-G52 TARGET_RK_GRALLOC_VERSION=4
开始编译:
m
回到主机命令行:
cd ~/redroid/out/target/product/redroid_arm64
sudo mount system.img system -o ro
sudo mount vendor.img vendor -o ro
sudo tar --xattrs -avcf redroid.tar.xz vendor -C system --exclude="./vendor" .
sudo umount system vendor
打完包把镜像推开发板上,然后导入:
xz -dcT0 redroid.tar.xz | docker import -c 'ENTRYPOINT ["/init", "androidboot.hardware=redroid"]' - redroid
docker run -d -p 5555:5555 -v ~/redroid-data:/data --name redroid --privileged redroid androidboot.redroid_height=1920 androidboot.redroid_width=1080
Android 12
有个secure flag机制,有些app在输入用户名密码界面会用到这个flag,导致scrcpy
串流的时候会黑屏。这里通过修改surfaceflinger
的方式来去掉这个限制:
frameworks/native/services/surfaceflinger/SurfaceFlinger.cpp
:
sp<IBinder> SurfaceFlinger::createDisplay(const String8& displayName, bool secure,
float requestedRefreshRate) {
// onTransact already checks for some permissions, but adding an additional check here.
// This is to ensure that only system and graphics can request to create a secure
// display. Secure displays can show secure content so we add an additional restriction on it.
const int uid = IPCThreadState::self()->getCallingUid();
if (secure && uid != AID_GRAPHICS && uid != AID_SYSTEM) {
ALOGE("Only privileged processes can create a secure display");
return nullptr;
}
class DisplayToken : public BBinder {
sp<SurfaceFlinger> flinger;
virtual ~DisplayToken() {
// no more references, this display must be terminated
Mutex::Autolock _l(flinger->mStateLock);
flinger->mCurrentState.displays.removeItem(wp<IBinder>::fromExisting(this));
flinger->setTransactionFlags(eDisplayTransactionNeeded);
}
public:
explicit DisplayToken(const sp<SurfaceFlinger>& flinger)
: flinger(flinger) {
}
};
sp<BBinder> token = sp<DisplayToken>::make(sp<SurfaceFlinger>::fromExisting(this));
Mutex::Autolock _l(mStateLock);
// Display ID is assigned when virtual display is allocated by HWC.
DisplayDeviceState state;
// 默认创建安全显示器
secure = true;
state.isSecure = secure;
state.displayName = displayName;
state.requestedRefreshRate = Fps::fromValue(requestedRefreshRate);
mCurrentState.displays.add(token, state);
return token;
}
搞出来之后可以编译成镜像,或者cd
进frameworks/native/services/surfaceflinger
,mm
出surfaceflinger
可执行文件之后丢到已有的容器里面。
个人blog: cnflysky.com,欢迎访问。