(Compiling Marble)
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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.
=== Prerequisites ===
You will need the following tools:
# Android SDK - It can be downloaded from here: http://developer.android.com/sdk/index.html
# Android NDK - You can download it from here: https://developer.android.com/ndk/index.html
# 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).
# CMake - Usually you should be able to install it from your repository.
# Java Development Kit - For example you can install openjdk, usually it should be in your repository.
# Ant - This should be available from the repositories too.
Some Android platforms will be needed, you should install them with the Android SDK's package manager. It can be started with:
#<syntaxhighlight lang="bash">/path_where_you_installed_the_sdk/tools/android sdk</syntaxhighlight>
Make sure to install the following platforms:
# 10
# 11
# 16
# 18
# 19
=== Getting the Marble Source Code  ===
# Start a terminal
#We download the source code by cloning the developer repository with the following command:
<syntaxhighlight lang="bash">git clone git://anongit.kde.org/marble ~/marble/sources</syntaxhighlight>
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.
=== Getting the Cmake toolchain for Android ===
First, you should change your working directory to Marble's source directory:
<syntaxhighlight lang="bash">cd ~/marble/sources</syntaxhighlight>
Then the toolchain have to be cloned from its git repository:
<syntaxhighlight lang="bash">git clone https://github.com/LaurentGomila/qt-android-cmake.git</syntaxhighlight>
We will use this to compile Marble and pack it as an apk.
=== Setting your PATH ===
You have to add the following paths to your PATH:
Android NDK:
<syntaxhighlight lang="bash">export ANDROID_NDK=/path_to_your_NDK_install</syntaxhighlight>
Android SDK:
<syntaxhighlight lang="bash">export ANDROID_SDK=/path_to_your_SDK_install</syntaxhighlight>
You can get the path to the binary with:
<syntaxhighlight lang="bash">whereis ant</syntaxhighlight>
After you know the path:
<syntaxhighlight lang="bash">export ANT=/path_to_ant</syntaxhighlight>
Path to your Java installation, for example:
<syntaxhighlight lang="bash">export JAVA_HOME=/usr/lib/jvm/java-7-openjdk</syntaxhighlight>
For example, if you installed Qt in /opt/Qt you have to set the following on a 64 bit system:
<syntaxhighlight lang="bash">export Qt5_host=/opt/Qt/5.4/gcc_64</syntaxhighlight>
And for the Android version:
<syntaxhighlight lang="bash">export Qt5_android=/opt/Qt/5.4/android_armv7</syntaxhighlight>
And you also need to specify your target platform (e.g.: 18):
<syntaxhighlight lang="bash">export ANDROID_PLATFORM=android-18</syntaxhighlight>
=== Setting up the AndroidManifest.xml ===
Before compiling Marble, Marbles's manifest file have to be placed at the right place. Run the following command:
<syntaxhighlight lang="bash">cp ~/marble/sources/data/android/AndroidManifest_MarbleMaps.xml.in ~/marble/sources/qt-android-cmake/AndroidManifest.xml.in</syntaxhighlight>
=== Compiling Marble ===
First of all, create a build directory in marble's source dir:
<syntaxhighlight lang="bash">mkdir ~/marble/build</syntaxhighlight>
Than change your working directory to it:
<syntaxhighlight lang="bash">cd ~/marble/build</syntaxhighlight>
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.
First, run the following command:
<syntaxhighlight lang="bash">cmake -DCMAKE_TOOLCHAIN_FILE=../sources/qt-android-cmake/toolchain/android.toolchain.cmake -DQTONLY=TRUE -DQT5BUILD=TRUE -DQT_NO_WEBKIT=TRUE -DQT_NO_PRINTER=TRUE  -DQT_NO_DBUS=TRUE -DBUILD_MARBLE_PLUGINS=YES  -DBUILD_MARBLE_APPS=NO  -DCMAKE_INSTALL_PREFIX=. ../sources/
This will generate the needed Makefile for compiling. You can start the compiling process with the following command:
<syntaxhighlight lang="bash">make</syntaxhighlight>
After that, the libraries have to be put at the right place:
<syntaxhighlight lang="bash">make install</syntaxhighlight>
Now we want to compile the application and to create the apk.
Run the following:
<syntaxhighlight lang="bash">cmake -DCMAKE_TOOLCHAIN_FILE=../sources/qt-android-cmake/toolchain/android.toolchain.cmake -DQTONLY=TRUE -DQT5BUILD=TRUE -DQT_NO_WEBKIT=TRUE -DQT_NO_PRINTER=TRUE  -DQT_NO_DBUS=TRUE -DBUILD_MARBLE_PLUGINS=NO  -DBUILD_MARBLE_APPS=YES  -DCMAKE_INSTALL_PREFIX=. ../sources/
<syntaxhighlight lang="bash">make</syntaxhighlight>
=== Sending the application to your device ===
After the build successfully finished, the apk will be in the following directory:
<syntaxhighlight lang="bash">cd ~/marble/build/src/apps/marble_maps/bin/</syntaxhighlight> 
You can send the compiled application to your connected device with the following command:
<syntaxhighlight lang="bash">adb install -r QtApp-debug.apk</syntaxhighlight>

Latest revision as of 04:51, 26 October 2016

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This page was last edited on 26 October 2016, at 04:51. Content is available under Creative Commons License SA 4.0 unless otherwise noted.