mirror of https://github.com/syncthing/syncthing-android.git synced 2024-11-22 20:31:16 +00:00

tomasz1986 b8896f8f1c

readme: Update and add detailed steps to build instructions (#1865 )

Currently, the build instructions are very brief and don't explain the
whole process of setting up the build environment in detail. Thus, add
explicit steps on how to download required tools and prepare then for
compilation.

Signed-off-by: Tomasz Wilczyński <twilczynski@naver.com>

2023-01-02 09:51:00 +01:00

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syncthing-android

A wrapper of Syncthing for Android.

screenshot 1 screenshot 2 screenshot 3

Translations

The project is translated on Transifex.

Dev

Language mappings are defined in .tx/config, with the second code being the one from transifex. Google play supported languages: https://support.google.com/googleplay/android-developer/table/4419860. Android supported languages: https://stackoverflow.com/questions/7973023/what-is-the-list-of-supported-languages-locales-on-android. If a new language is added on transifex that's not supported, add them to deleteUnsupportedPlayTranslations in app/build.gradle.

Building

These dependencies and instructions are necessary for building from the command line. If you build using Docker or Android Studio, you don't need to set up and follow them separately.

Dependencies

Android SDK and NDK
1. Download SDK command line tools from https://developer.android.com/studio#command-line-tools-only.
2. Unpack the downloaded archive to an empty folder. This path is going to become your ANDROID_HOME folder.
3. Inside the unpacked cmdline-tools folder, create yet another folder called latest, then move everything else inside it, so that the final folder hierarchy looks as follows.
```
cmdline-tools/latest/bin
cmdline-tools/latest/lib
cmdline-tools/latest/source.properties
cmdline-tools/latest/NOTICE.txt
```
4. Navigate inside cmdline-tools/latest/bin, then execute
```
./sdkmanager "platform-tools" "build-tools;<version>" "platforms;android-<version>" "extras;android;m2repository" "ndk;<version>"
```
  The required tools and NDK will be downloaded automatically.
  
  NOTE: You should check Dockerfile for the specific version numbers to insert in the command above.
Go (see https://docs.syncthing.net/dev/building#prerequisites for the required version)
Java version 11 (if not present in $PATH, you might need to set $JAVA_HOME accordingly)
Python version 3

Build instructions

Clone the project with

git clone https://github.com/syncthing/syncthing-android.git --recursive

Alternatively, if already present on the disk, run

git submodule init && git submodule update

in the project folder.

Make sure that the ANDROID_HOME environment variable is set to the path containing the Android SDK (see Dependecies).
Navigate inside syncthing-android, then build the APK file with
```
./gradlew buildNative
./gradlew assembleDebug
```
Once completed, app-debug.apk will be present inside app/build/outputs/apk/debug.

NOTE: On Windows, you must use the Command Prompt (and not PowerShell) to compile. When doing so, in the commands replace all forward slashes / with backslashes \.

License

The project is licensed under the MPLv2.

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