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| {{Construction}} | | {{ Moved To Community }} |
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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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| {{Note|The SDK contains binary 32 bit tools that are required to create the Marble package. If you're running a 64 bit system, install support for running 32 bit applications.}}
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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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| # 22
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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 git://anongit.kde.org/extra-cmake-modules</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_android=/opt/Qt/5.4/android_armv7</syntaxhighlight>
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| Also specify the location of extra-cmake-modules:
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| <syntaxhighlight lang="bash">export ECM=/path/to/extra-cmake-modules</syntaxhighlight>
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| And you also need to specify your target platform (at least 22, but after the build the package will be backward compatible):
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| <syntaxhighlight lang="bash">export ANDROID_PLATFORM=android-22</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. First we will build the libraries and the plugins, after that we will build the app.
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| First, run the following command:
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| <syntaxhighlight lang="bash">cmake -DCMAKE_TOOLCHAIN_FILE="${ECM}/toolchain/Android.cmake" -DCMAKE_BUILD_TYPE=Release -DQT_NO_WEBKIT=TRUE -DQT_NO_PRINTER=TRUE -DQT_NO_DBUS=TRUE -DCMAKE_INSTALL_PREFIX=../export ../sources/
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| </syntaxhighlight>
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| This will generate the needed Makefile for compiling. Start the build process with the following command:
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| <syntaxhighlight lang="bash">make install/strip</syntaxhighlight>
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| === Generating the Android Application Package (APK) ===
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| After the build successfully finished, the files have been installed to {{Path|1=../export}} or whichever other path you passed in the <code>-DCMAKE_INSTALL_PREFIX</code> option to cmake. Now run the Python script {{Path|1=src/apps/marble-maps/create-apk.py}} to generate the Android package:
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| <syntaxhighlight lang="bash">~/marble/sources/src/apps/marble-maps/create-apk.py --target MarbleMaps.apk ../export
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| </syntaxhighlight>
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| The script provides a number of parameters. Typical usage is as follows:
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| * Testing directly on a connected device: <code>create-apk.py --reinstall /path/to/marble/export</code>
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| * Creating an .apk locally: <code>create-apk.py --target MarbleMaps.apk /path/to/marble/export</code>
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| * Creating a signed package for release: <code>create-apk.py --target MarbleMaps.apk --keystore /path/to/Marble.keystore /path/to/marble/export</code>. You'll be prompted for the required passwords (unless you pass them using the <code>--storepass</code> option).
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| All parameters of {{Path|1=create-apk.py}} can be shown with its <code>--help</code> switch:
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| {{Output|1=<nowiki>
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| usage: create-apk.py [-h] [--target TARGET] [--keystore KEYSTORE]
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| [--storepass STOREPASS] [--release] [--install]
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| [--reinstall]
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| directory
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| Create an Android application package (APK) for Marble Maps
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| positional arguments:
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| directory The directory where the Android build is installed to
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| optional arguments:
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| -h, --help show this help message and exit
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| --target TARGET Target filename (or directory) for the .apk package
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| --keystore KEYSTORE Keystore file for signing the package
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| --storepass STOREPASS
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| Keystore password for signing the package
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| --release Build a release package
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| --install Install the package to a connected device
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| (uninstalling it before, if needed)
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| --reinstall Install the package to a connected device (keeping
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| previous data intact, if any)
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| </nowiki>}}
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