2014-12-25 23:24:42 -07:00
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Go on iOS
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=========
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2018-05-10 09:38:23 -06:00
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For details on developing Go for iOS on macOS, see the documentation in the mobile
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subrepository:
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https://github.com/golang/mobile
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It is necessary to set up the environment before running tests or programs directly on a
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device.
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First make sure you have a valid developer certificate and have setup your device properly
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to run apps signed by your developer certificate. Then install the libimobiledevice and
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ideviceinstaller tools from https://www.libimobiledevice.org/. Use the HEAD versions from
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source; the stable versions have bugs that prevents the Go exec wrapper to install and run
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apps.
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Second, the Go exec wrapper must be told the developer account signing identity, the team
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id and a provisioned bundle id to use. They're specified with the environment variables
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GOIOS_DEV_ID, GOIOS_TEAM_ID and GOIOS_APP_ID. The detect.go program in this directory will
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attempt to auto-detect suitable values. Run it as
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go run detect.go
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which will output something similar to
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export GOIOS_DEV_ID="iPhone Developer: xxx@yyy.zzz (XXXXXXXX)"
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export GOIOS_APP_ID=YYYYYYYY.some.bundle.id
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export GOIOS_TEAM_ID=ZZZZZZZZ
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If you have multiple devices connected, specify the device UDID with the GOIOS_DEVICE_ID
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variable. Use `idevice_id -l` to list all available UDIDs.
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2019-05-03 05:21:49 -06:00
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Finally, to run the standard library tests, run all.bash as usual, but with the compiler
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set to the clang wrapper that invokes clang for iOS. For example,
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2018-05-10 09:38:23 -06:00
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2019-05-03 05:21:49 -06:00
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GOARCH=arm64 CGO_ENABLED=1 CC_FOR_TARGET=$(pwd)/../misc/ios/clangwrap.sh ./all.bash
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2018-05-10 09:38:23 -06:00
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To use the go tool directly to run programs and tests, put $GOROOT/bin into PATH to ensure
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the go_darwin_$GOARCH_exec wrapper is found. For example, to run the archive/tar tests
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export PATH=$GOROOT/bin:$PATH
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2019-06-14 02:23:06 -06:00
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GOARCH=arm64 CGO_ENABLED=1 go test archive/tar
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2018-05-10 09:38:23 -06:00
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Note that the go_darwin_$GOARCH_exec wrapper uninstalls any existing app identified by
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the bundle id before installing a new app. If the uninstalled app is the last app by
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the developer identity, the device might also remove the permission to run apps from
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that developer, and the exec wrapper will fail to install the new app. To avoid that,
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install another app with the same developer identity but with a different bundle id.
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That way, the permission to install apps is held on to while the primary app is
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uninstalled.
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