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| This page present how to compile Marble for Android, using the Android SDK, Android NDK and Qt for Android, and how to deploy it to your device.
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| === Prerequisites ===
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| You will need the following tools:
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| # Android SDK - It can be downloaded from here: http://developer.android.com/sdk/index.html
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| # Android NDK - You can download it from here: https://developer.android.com/ndk/index.html
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| # Qt with support for Android devices. Download the best one for you: https://www.qt.io/download-open-source/#section-2 and install it, but be sure that the Android support is installed too (for example you have to check in to install it in the online installer).
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| # CMake - Usually you should be able to install it from your repository.
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| # Java Development Kit - For example you can install openjdk, usually it should be in your repository.
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| # Ant - This should be available from the repositories too.
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| Some Android platforms will be needed, you should install them with the Android SDK's package manager. It can be started with:
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| #<syntaxhighlight lang="bash">/path_where_you_installed_the_sdk/tools/android sdk</syntaxhighlight>
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| Make sure to install the following platforms:
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| # 10
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| # 11
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| # 16
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| # 18
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| # 19
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| === Getting the Marble Source Code ===
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| # Start a terminal
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| #We download the source code by cloning the developer repository with the following command:
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| <syntaxhighlight lang="bash">git clone git://anongit.kde.org/marble ~/marble/sources</syntaxhighlight>
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| After you run the git clone command (shown above), all the Marble source files and considerable resource files will be found in a folder called marble in your home directory.
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| === Getting the Cmake toolchain for Android ===
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| First, you should change your working directory to Marble's source directory:
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| <syntaxhighlight lang="bash">cd ~/marble/sources</syntaxhighlight>
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| Then the toolchain have to be cloned from its git repository:
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| <syntaxhighlight lang="bash">git clone https://github.com/LaurentGomila/qt-android-cmake.git</syntaxhighlight>
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| We will use this to compile Marble and pack it as an apk.
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| === Setting your PATH ===
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| You have to add the following paths to your PATH:
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| Android NDK:
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| <syntaxhighlight lang="bash">export ANDROID_NDK=/path_to_your_NDK_install</syntaxhighlight>
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| Android SDK:
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| <syntaxhighlight lang="bash">export ANDROID_SDK=/path_to_your_SDK_install</syntaxhighlight>
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| Ant:
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| You can get the path to the binary with:
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| <syntaxhighlight lang="bash">whereis ant</syntaxhighlight>
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| After you know the path:
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| <syntaxhighlight lang="bash">export ANT=/path_to_ant</syntaxhighlight>
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| Java:
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| Path to your Java installation, for example:
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| <syntaxhighlight lang="bash">export JAVA_HOME=/usr/lib/jvm/java-7-openjdk</syntaxhighlight>
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| Qt:
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| For example, if you installed Qt in /opt/Qt you have to set the following on a 64 bit system:
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| <syntaxhighlight lang="bash">export Qt5_host=/opt/Qt/5.4/gcc_64</syntaxhighlight>
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| And for the Android version:
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| <syntaxhighlight lang="bash">export Qt5_android=/opt/Qt/5.4/android_armv7</syntaxhighlight>
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| And you also need to specify your target platform:
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| <syntaxhighlight lang="bash">export ANDROID_PLATFORM=android-18</syntaxhighlight>
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| === Compiling Marble ===
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| First of all, create a build directory in marble's source dir:
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| <syntaxhighlight lang="bash">mkdir ~/marble/build</syntaxhighlight>
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| Than change your working directory to it:
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| <syntaxhighlight lang="bash">cd ~/marble/build</syntaxhighlight>
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| Then the project have to be configured with Cmake, run the following command:
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| <syntaxhighlight lang="bash">cmake -DCMAKE_TOOLCHAIN_FILE=~/marble/sources/qt-android-cmake/toolchain/android.toolchain.cmake -DQTONLY=TRUE -DQT5BUILD=TRUE -DQT_NO_WEBKIT=TRUE -DQT_NO_PRINTER=TRUE ../sources/
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| </syntaxhighlight>
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| This will generate the needed Makefile for compiling. You can start the compiling process with the following command:
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| <syntaxhighlight lang="bash">make</syntaxhighlight>
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| === Sending the application to your device ===
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| After the build successfully finished, the apk will be in the following directory:
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| <syntaxhighlight lang="bash">cd ~/marble/build/src/bin/</syntaxhighlight>
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| You can send the compiled application to your connected device with the following command:
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| <syntaxhighlight lang="bash">adb install -r QtApp-debug.apk</syntaxhighlight>
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