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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
/*!
\page android-3rdparty-libs.html
\title Third-party Android Libraries
\ingroup android-platform-extra-topics
\brief Instructions on including third-party Android libraries in an application.
\previouspage android-services.html
\nextpage android-publishing-to-googleplay.html
This guide describes how to include a third-party library in your
application package. There are many libraries which provide APIs that
may be useful to your application.
\section1 Prerequisites
This guide assumes that the \l{androiddeployqt} tool is used for constructing
the deployment package. When using \QC for building and deploying,
androiddeployqt is used behind the scenes, so this also applies to
development with \QC. Explaining how to access the library's APIs after
being included in the project is not in the scope of this guide. For
more information, see \l{Extending Qt with Android Facilities}.
\section1 Including a Library to an Android Project
The very first thing you need to do is to copy the library files into
your project. The contents of the library have to be copied without
modifications into the packaging directory, i.e. into the path set by
\l{QT_ANDROID_PACKAGE_SOURCE_DIR}. By default, it's a directory named
\c android under the root of the project source. For more information,
see \l{Android Libraries}.
If you are using \QC, you can quickly set up the packaging directory
structure by selecting \uicontrol Projects > \uicontrol Build >
\uicontrol {Build Android APK} > \uicontrol {Create Templates}. This creates
a directory for your \l{Extending Qt with Android Facilities}{Android package customizations}.
Copy the library directory into \e {"<target_src>/android/libs/"}.
\section2 Adding a Native Shared Library
To add native shared libraries, you can use CMake's property
\l QT_ANDROID_EXTRA_LIBS or \c qmake's \c ANDROID_EXTRA_LIBS which enables
bundling the library into the Android package.
\section2 Adding a .jar or .aar Library
By default, Qt for Android uses can use \c .jar or \c .aar libraries that are
found in the path \e {"<target_src>/android/libs/"}. Qt has the following
rule in \c{build.gradle} file that is part of \l{Gradle files}{the Gradle files}
used by Android build:
\badcode
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar', '*.aar'])
...
}
\endcode
You can build \l{Android Packaging Options}{AAR Libraries} with Qt for Android.
\section1 Adding a Library Project
Having a library called \c{CustomLibrary}, similar to the previous approach,
copy the library project to your packaging directory
\e {"<target_src>/android/libs/"}, then create a file \c{settings.gradle}
with the following content:
\badcode
include ':libs:CustomLibrary'
\endcode
Then, add the dependency to \c{build.gradle} file inside the \c{dependencies}
block:
\badcode
dependencies {
...
implementation project(":libs:CustomLibrary")
...
}
\endcode
For more information on adding libraries to an Android project, see
\l{Android: Add build dependencies}{Add build dependencies Android documentation}.
*/
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