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mentat/ffi/README.md
Grisha Kruglov 2a025916fe
Android SDK basic sample project and symlinked SDK Mentat binaries (#729) r=nalexander 
* Add an IntelliJ section to gitignore
* Add Android SDK sample project which exercises mentat SDK
* Symlink libmentat_ffi.so in Android SDK to the generated --release files
* README files for Android SDK and mentat_ffi
2018-06-01 12:44:31 -07:00

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Development flow for Mentat FFI

Android SDK

Android Mentat SDK is one of two first-party consumers (the other one being iOS Mentat SDK).

Binaries produced by cargo build ... are symlinked from within the SDK, and a number of target-specific libmentat_ffi.so binaries are bundled together and distributed with the SDK.

There is a build script at <mentat_root>/scripts/android_build.sh which knows how to cross-compile mentat_ffi for various Android targets.

  • ./<mentat_root>/scripts/android_build.sh - compiles for all supported targets
  • ./<mentat_root>/scripts/android_build.sh x86 - compiles for x86
  • ./<mentat_root>/scripts/android_build.sh x86 arm - compiles for x86, arm

General development flow while working on the Android SDK is:

  • (pre) compile for all targets, if you've never done so
  • make changes to mentat_ffi and/or mentat
  • re-compile mentat_ffi binaries using ./android_build.sh x86. During development it's faster to compile just for the target which matches your emulator, e.g. x86
  • make corresponding changes in the Android SDK, try them out from within the bundled sample project
  • since binaries are symlinked, no manual copy step is necessary for the Android SDK to pick up the changes

iOS SDK

TODO, contribute via issue #732.