40 lines
1.6 KiB
Markdown
40 lines
1.6 KiB
Markdown
# TDLib Java example
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To run this example, you will need installed JDK >= 1.6.
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For Javadoc documentation generation PHP is needed.
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TDLib should be prebuilt for using with Java and installed to local subdirectory `td/` as follows:
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```
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cd <path to TDLib sources>
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mkdir jnibuild
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cd jnibuild
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cmake -DCMAKE_BUILD_TYPE=Release -DTD_ENABLE_JNI=ON -DCMAKE_INSTALL_PREFIX:PATH=../example/java/td ..
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cmake --build . --target install
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```
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If you want to compile TDLib for 64-bit Java on Windows using MSVC, you will also need to add `-A x64` option to CMake.
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In Windows, use Vcpkg toolchain file by adding parameter -DCMAKE_TOOLCHAIN_FILE=<VCPKG_DIR>/scripts/buildsystems/vcpkg.cmake
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Then you can build this example:
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```
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cd <path to TDLib sources>/example/java
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mkdir build
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cd build
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cmake -DCMAKE_BUILD_TYPE=Release -DTd_DIR=<full path to TDLib sources>/example/java/td/lib/cmake/Td -DCMAKE_INSTALL_PREFIX:PATH=.. ..
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cmake --build . --target install
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```
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Compiled TDLib shared library and Java example after that will be placed in bin/ and Javadoc documentation in `docs/`.
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Now you can run Java example:
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```
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cd <path to TDLib sources>/example/java/bin
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java '-Djava.library.path=.' org/drinkless/tdlib/example/Example
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```
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If you get "Could NOT find JNI ..." error from CMake, you need to specify to CMake path to the installed JDK, for example, "-DJAVA_HOME=/usr/lib/jvm/java-8-oracle/".
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If you get java.lang.UnsatisfiedLinkError with "Can't find dependent libraries", you may also need to copy some dependent shared OpenSSL and zlib libraries to `bin/`.
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In case you compiled the example as 32-bit version, you may need to give -d32 parameter to Java.
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