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x/mobile/cmd/gomobile: init subcommand doesn't suppport -androidapi flag #58661

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zergon321 opened this issue Feb 23, 2023 · 5 comments
Open

x/mobile/cmd/gomobile: init subcommand doesn't suppport -androidapi flag #58661

zergon321 opened this issue Feb 23, 2023 · 5 comments
Labels
mobile Android, iOS, and x/mobile NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
Milestone
Unreleased

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@zergon321
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What version of Go are you using (go version)?

$ go version
go version go1.20.1 linux/amd64

Does this issue reproduce with the latest release?

Yes

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
GO111MODULE=""
GOARCH="amd64"
GOBIN=""
GOCACHE="/home/zergon321/.cache/go-build"
GOENV="/home/zergon321/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/home/zergon321/go/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/home/zergon321/go"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct"
GOROOT="/usr/lib/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/lib/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.20.1"
GCCGO="gccgo"
GOAMD64="v1"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/dev/null"
GOWORK=""
CGO_CFLAGS="-O2 -g"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-O2 -g"
CGO_FFLAGS="-O2 -g"
CGO_LDFLAGS="-O2 -g"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build824783065=/tmp/go-build -gno-record-gcc-switches"

What did you do?

I installed golang.org/x/mobile and latest Android SDK and NDK via Android Studio. Then I downloaded the openal-soft source code. After this I ran:

ANDROID_PLATFORM=android-25 ANDROID_HOME=~/Android/Sdk/ ANDROID_NDK_HOME=~/Android/Sdk/ndk/25.2.9519653/ gomobile init -openal ~/cpp/openal-soft/

What did you expect to see?

I expected the command to build OpenAL for Android so it could be used with gomobile build
and gomobile install.

What did you see instead?

gomobile: ANDROID_NDK_HOME specifies /home/zergon321/Android/Sdk/ndk/25.2.9519653/, which is unusable: unsupported API version 16 (not in 19..33)
@thanm thanm added WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. labels Feb 23, 2023
@thanm
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thanm commented Feb 23, 2023

When I look at https://developer.android.com/ndk/downloads/revision_history, it looks pretty clear that the version of the NDK you are using (24) only supports API level 19 and above:

Jelly Bean (APIs 16, 17, and 18) is no longer supported. The minimum OS supported by the NDK is KitKat (API level 19).

So what you are seeing looks like expected behavior. Suggest you select a different android API level with the proper flag, e.g. https://cs.opensource.google/go/x/mobile/+/master:cmd/gomobile/build.go;l=63;drc=43a0384520996c8376bfb8637390f12b44773e65

@zergon321
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But the gomobile init command does not support the -androidapi flag.

$ ANDROID_HOME=~/Android/Sdk/ ANDROID_NDK_HOME=~/Android/Sdk/ndk/25.2.9519653/ gomobile init -androidapi 25 -openal ~/cpp/openal-soft/

Gives the output:

flag provided but not defined: -androidapi
usage: gomobile init [-openal dir]

If a OpenAL source directory is specified with -openal, init will
build an Android version of OpenAL for use with gomobile build
and gomobile install.

So what should I do exactly?

@thanm thanm removed the WaitingForInfo Issue is not actionable because of missing required information, which needs to be provided. label Feb 23, 2023
@thanm
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thanm commented Feb 23, 2023

I see. This does seem like a problem.

@hyangah do you have any insights here? Perhaps minAndroidAPI needs to be bumped?

@bcmills bcmills added the mobile Android, iOS, and x/mobile label Feb 23, 2023
@bcmills
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bcmills commented Feb 23, 2023

(CC @golang/android)

@seankhliao seankhliao changed the title affected/package: x/mobile x/mobile/cmd/gomobile: init subcommand doesn't suppport -androidapi flag Feb 24, 2023
@gopherbot gopherbot added this to the Unreleased milestone Feb 24, 2023
@fischman
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Possibly https://cs.opensource.google/go/x/mobile/+/master:internal/binres/binres.go;drc=8578da9835fd365e78a6e63048c103b27a53a82c;l=253 is to blame.

Build succeeds: gomobile build -target=android -androidapi 29 golang.org/x/mobile/example/basic
But install fails: gomobile install -target=android -androidapi 29 golang.org/x/mobile/example/basic with:

adb: failed to install basic.apk: Failure [INSTALL_FAILED_DEPRECATED_SDK_VERSION: App package must target at least SDK version 23, but found 16]

Inspecting the built basic.apk with apktool d basic.apk reveals in ndroidManifest.xml: platformBuildVersionCode="16" (and no other API version mention).

@gabyhelp gabyhelp mentioned this issue Feb 8, 2025
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@fischman @bcmills @gopherbot @thanm @zergon321