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py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="android_build_files" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/android_build_files">android_build_files</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="app" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/app">app</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open 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15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="cmake" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/cmake">cmake</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="database" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/database">database</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="dynamic_links" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/dynamic_links">dynamic_links</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="firestore" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/firestore">firestore</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="functions" 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min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="This path skips through empty directories" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/gradle/wrapper"><span class="text-gray-light">gradle/</span>wrapper</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="instance_id" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/instance_id">instance_id</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="ios_pod" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/ios_pod">ios_pod</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="messaging" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/messaging">messaging</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="release_build_files" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/release_build_files">release_build_files</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" height="16" viewbox="0 0 16 16" version="1.1" width="16" role="img"><path fill-rule="evenodd" d="M1.75 1A1.75 1.75 0 000 2.75v10.5C0 14.216.784 15 1.75 15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" 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15h12.5A1.75 1.75 0 0016 13.25v-8.5A1.75 1.75 0 0014.25 3h-6.5a.25.25 0 01-.2-.1l-.9-1.2c-.33-.44-.85-.7-1.4-.7h-3.5z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="storage" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/tree/master/storage">storage</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> <div role="gridcell" class="mr-3 flex-shrink-0" style="width: 16px;"> <svg aria-label="Directory" class="octicon octicon-file-directory text-color-icon-directory" 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0h5.086c.464 0 .909.184 1.237.513l3.414 3.414c.329.328.513.773.513 1.237v8.086A1.75 1.75 0 0112.25 15h-8.5A1.75 1.75 0 012 13.25V1.75z"></path></svg> </div> <div role="rowheader" class="flex-auto min-width-0 col-md-2 mr-3"> <span class="css-truncate css-truncate-target d-block width-fit"><a class="js-navigation-open link-gray-dark" title="readme_for_generate_xml_from_google_services_json_exe.txt" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/blob/master/readme_for_generate_xml_from_google_services_json_exe.txt">readme_for_generate_xml_from_google_services_json_exe.txt</a></span> </div> <div role="gridcell" class="flex-auto min-width-0 d-none d-md-block col-5 mr-3"> <div class="Skeleton Skeleton--text col-7"> </div> </div> <div role="gridcell" class="text-gray-light text-right" style="width:100px;"> <div class="Skeleton Skeleton--text"> </div> </div> </div> <div role="row" class="Box-row Box-row--focus-gray py-2 d-flex position-relative js-navigation-item "> 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data-tagsearch-url="/firebase/firebase-cpp-sdk/find-definition" data-tagsearch-ref="master" data-tagsearch-path="README.md" data-tagsearch-lang="Markdown" data-hydro-click="{"event_type":"code_navigation.click_on_symbol","payload":{"action":"click_on_symbol","repository_id":175263313,"ref":"master","language":"Markdown","originating_url":"https://github.com/firebase/firebase-cpp-sdk","user_id":null}}" data-hydro-click-hmac="71c78e9111d749afb2bfe14dbf7ef0bf46f33b4d9366ecbc51824b375dad0f49"> <div class="Popover-message Popover-message--large Popover-message--top-left TagsearchPopover mt-1 mb-4 mx-auto Box box-shadow-large"> <div class="TagsearchPopover-content js-tagsearch-popover-content overflow-auto" style="will-change:transform;"> </div> </div> </div> <div class="Box-body px-5 pb-5"> <article class="markdown-body entry-content container-lg" itemprop="text"><h1><a id="user-content-firebase-c-open-source-development" class="anchor" aria-hidden="true" href="#firebase-c-open-source-development"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Firebase C++ Open Source Development</h1> <p>The repository contains the Firebase C++ SDK source, with support for Android, iOS, and desktop platforms. It includes the following Firebase libraries:</p> <ul> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/admob/" rel="nofollow">AdMob</a></li> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/analytics/" rel="nofollow">Google Analytics for Firebase</a></li> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/auth/" rel="nofollow">Firebase Authentication</a></li> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/database/" rel="nofollow">Firebase Realtime Database</a></li> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/dynamic-links/" rel="nofollow">Firebase Dynamic Links</a></li> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/functions/" rel="nofollow">Cloud Functions for Firebase</a></li> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/invites/" rel="nofollow">Firebase Invites</a></li> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/cloud-messaging/" rel="nofollow">Firebase Cloud Messaging</a></li> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/remote-config/" rel="nofollow">Firebase Remote Config</a></li> <li><a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/storage/" rel="nofollow">Cloud Storage for Firebase</a></li> </ul> <p>Firebase is an app development platform with tools to help you build, grow and monetize your app. More information about Firebase can be found at <a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/" rel="nofollow">https://firebase.google.com</a>.</p> <p>More information about the Firebase C++ SDK can be found at <a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/docs/cpp/setup" rel="nofollow">https://firebase.google.com/docs/cpp/setup</a>. Samples on how to use the Firebase C++ SDK can be found at <a href="https://web.archive.org/web/20201101065140/https://github.com/firebase/quickstart-cpp">https://github.com/firebase/quickstart-cpp</a>.</p> <h2><a id="user-content-table-of-contents" class="anchor" aria-hidden="true" href="#table-of-contents"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Table of Contents</h2> <ol> <li><a href="#getting-started">Getting Started</a></li> <li><a href="#prerequisites">Prerequisites</a> <ol> <li><a href="#prerequisites-for-desktop">Prerequisites for Desktop</a></li> <li><a href="#prerequisites-for-android">Prerequisites for Android</a></li> <li><a href="#prerequisites-for-ios">Prerequisites for iOS</a></li> </ol> </li> <li><a href="#building">Building</a> <ol> <li><a href="#building-with-cmake">Building with CMake</a> <ol> <li><a href="#building-with-cmake-for-ios">Building with CMake for iOS</a></li> </ol> </li> <li><a href="#building-with-gradle-for-android">Building with Gradle for Android</a> <ol> <li><a href="#proguard-file-generation">Proguard File Generation</a></li> </ol> </li> </ol> </li> <li><a href="#including-in-projects">Including in Projects</a> <ol> <li><a href="#including-in-cmake-projects">Including in CMake Projects</a></li> <li><a href="#including-in-android-gradle-projects">Including in Android Gradle Projects</a></li> </ol> </li> <li><a href="#contributing">Contributing</a></li> <li><a href="#license">License</a></li> </ol> <h2><a id="user-content-getting-started" class="anchor" aria-hidden="true" href="#getting-started"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Getting Started</h2> <p>You can clone the repo with the following command:</p> <div class="highlight highlight-source-shell"><pre>git clone https://github.com/firebase/firebase-cpp-sdk.git</pre></div> <h2><a id="user-content-prerequisites" class="anchor" aria-hidden="true" href="#prerequisites"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Prerequisites</h2> <p>The following prerequisites are required for all platforms. Be sure to add any directories to your PATH as needed.</p> <ul> <li><a href="https://web.archive.org/web/20201101065140/https://cmake.org/" rel="nofollow">CMake</a>, version 3.1, or newer</li> <li><a href="https://web.archive.org/web/20201101065140/https://www.python.com/" rel="nofollow">Python2</a>, version of 2.7, or newer</li> <li><a href="https://web.archive.org/web/20201101065140/https://github.com/abseil/abseil-py">Abseil-py</a></li> </ul> <p>Note: Once python is installed you can use the following commands to install required packages:</p> <ul> <li>python -m ensurepip --default-pip</li> <li>python -m pip install --user absl-py</li> <li>python -m pip install --user protobuf</li> </ul> <h3><a id="user-content-prerequisites-for-desktop" class="anchor" aria-hidden="true" href="#prerequisites-for-desktop"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Prerequisites for Desktop</h3> <p>The following prerequisites are required when building the libraries for desktop platforms.</p> <ul> <li><a href="https://web.archive.org/web/20201101065140/https://www.openssl.org/" rel="nofollow">OpenSSL</a>, needed for Realtime Database</li> <li><a href="https://web.archive.org/web/20201101065140/https://github.com/protocolbuffers/protobuf/blob/master/src/README.md">Protobuf</a>, needed for Remote Config</li> </ul> <h3><a id="user-content-prerequisites-for-windows" class="anchor" aria-hidden="true" href="#prerequisites-for-windows"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Prerequisites for Windows</h3> <p>Prebuilt packages for openssl can be found using google and if CMake fails to find the install path use the command line option <strong>-DOPENSSL_ROOT_DIR=[Open SSL Dir]</strong>.</p> <p>Since there are no prebuilt packages for protobuf, getting it working on Windows is a little tricky. The following steps can be used as a guide:</p> <ul> <li>Download source <a href="https://web.archive.org/web/20201101065140/https://github.com/protocolbuffers/protobuf/releases/download/v3.9.2/protobuf-all-3.9.2.zip">zip from github</a>.</li> <li>Extract source and open command prompt to root folder</li> <li>Make new folder <strong>vsprojects</strong></li> <li>CD to <strong>vsprojects</strong></li> <li>run cmake: <strong>cmake ..\cmake -Dprotobuf_BUILD_TESTS=OFF -A Win32</strong></li> <li>Build solution</li> <li>Add command line define to firebase cmake command (see below) <strong>-DPROTOBUF_SRC_ROOT_FOLDER=[Source Root Folder]</strong></li> </ul> <p>Note: For x64 builds folder needs to be <strong>vsprojects\x64</strong> and change <strong>Win32</strong> in cmake command to <strong>x64</strong></p> <h3><a id="user-content-prerequisites-for-mac" class="anchor" aria-hidden="true" href="#prerequisites-for-mac"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Prerequisites for Mac</h3> <p>Home brew can be used to install required dependencies:</p> <div class="highlight highlight-source-shell"><pre><span class="pl-c"><span class="pl-c">#</span> https://github.com/protocolbuffers/protobuf/blob/master/kokoro/macos/prepare_build_macos_rc#L20</span> ruby -e <span class="pl-s"><span class="pl-pds">"</span><span class="pl-s"><span class="pl-pds">$(</span>curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install<span class="pl-pds">)</span></span><span class="pl-pds">"</span></span> <span class="pl-c1">source</span> <span class="pl-smi">$HOME</span>/.rvm/scripts/rvm brew install cmake protobuf python2 sudo chown -R <span class="pl-s"><span class="pl-pds">$(</span>whoami<span class="pl-pds">)</span></span> /usr/local</pre></div> <h3><a id="user-content-prerequisites-for-android" class="anchor" aria-hidden="true" href="#prerequisites-for-android"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Prerequisites for Android</h3> <p>The following prerequisites are required when building the libraries for Android.</p> <ul> <li>Android SDK, Android NDK, and CMake for Android (version 3.10.2 recommended) <ul> <li>Download sdkmanager (either independently, or as a part of Android Studio) <a href="https://web.archive.org/web/20201101065140/https://developer.android.com/studio/#downloads" rel="nofollow">here</a></li> <li>Follow <a href="https://web.archive.org/web/20201101065140/https://developer.android.com/studio/projects/add-native-code.html#download-ndk" rel="nofollow">these instructions</a> to install the necessary build tools</li> </ul> </li> <li>(Windows only) <a href="https://web.archive.org/web/20201101065140/https://docs.microsoft.com/en-us/sysinternals/downloads/strings" rel="nofollow">Strings (from Microsoft Sysinternals)</a> <blockquote> <p><strong>Important - Strings EULA</strong> <br> You will have to run Strings once from the command line to accept the EULA before it will work as part of the build process.</p> </blockquote> </li> </ul> <p>Note that we include the Gradle wrapper, which if used will acquire the necessary version of Gradle for you.</p> <h3><a id="user-content-prerequisites-for-ios" class="anchor" aria-hidden="true" href="#prerequisites-for-ios"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Prerequisites for iOS</h3> <p>The following prerequisites are required when building the libraries for iOS.</p> <ul> <li><a href="https://web.archive.org/web/20201101065140/https://cocoapods.org/" rel="nofollow">Cocoapods</a></li> </ul> <h2><a id="user-content-building" class="anchor" aria-hidden="true" href="#building"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Building</h2> <h3><a id="user-content-building-with-cmake" class="anchor" aria-hidden="true" href="#building-with-cmake"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Building with CMake</h3> <p>The build uses CMake to generate the necessary build files, and supports out of source builds. The CMake following targets are available to build and link with:</p> <table> <thead> <tr> <th>Feature</th> <th>CMake Target</th> </tr> </thead> <tbody> <tr> <td>App (base library)</td> <td>firebase_app</td> </tr> <tr> <td>AdMob</td> <td>firebase_admob</td> </tr> <tr> <td>Google Analytics for Firebase</td> <td>firebase_analytics</td> </tr> <tr> <td>Firebase Authentication</td> <td>firebase_auth</td> </tr> <tr> <td>Firebase Realtime Database</td> <td>firebase_database</td> </tr> <tr> <td>Firebase Dynamic Links</td> <td>firebase_dynamic_links</td> </tr> <tr> <td>Cloud Functions for Firebase</td> <td>firebase_functions</td> </tr> <tr> <td>Firebase Invites</td> <td>firebase_invites</td> </tr> <tr> <td>Firebase Cloud Messaging</td> <td>firebase_messaging</td> </tr> <tr> <td>Firebase Remote Config</td> <td>firebase_remote_config</td> </tr> <tr> <td>Cloud Storage for Firebase</td> <td>firebase_storage</td> </tr> </tbody> </table> <p>For example, to build the Analytics library, you could run the following commands:</p> <div class="highlight highlight-source-shell"><pre>mkdir desktop_build <span class="pl-k">&&</span> <span class="pl-c1">cd</span> desktop_build cmake .. cmake --build <span class="pl-c1">.</span> --target firebase_analytics</pre></div> <p>Note that you can provide a different generator on the configure step, for example to generate a project for Visual Studio 2017, you could run:</p> <div class="highlight highlight-source-shell"><pre>cmake -G “Visual Studio 15 2017” ..</pre></div> <p>More information on generators can be found at <a href="https://web.archive.org/web/20201101065140/https://cmake.org/cmake/help/latest/manual/cmake-generators.7.html" rel="nofollow">https://cmake.org/cmake/help/latest/manual/cmake-generators.7.html</a>.</p> <p>By default, when building the SDK, the CMake process will download any third party dependencies that are needed for the build. This logic is in <a href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/blob/master/cmake/external_rules.cmake">cmake/external_rules.cmake</a>, and the accompanying <a href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/blob/master/cmake/external/CMakeLists.txt">cmake/external/CMakeLists.txt</a>. If you would like to provide your own directory for these dependencies, you can override <code>[[dependency_name]]_SOURCE_DIR</code> and <code>[[dependency_name]]_BINARY_DIR</code>. If the binary directory is not provided, it defaults to the given source directory, appended with <code>-build</code>.</p> <p>For example, to provide a custom flatbuffer directory you could run:</p> <div class="highlight highlight-source-shell"><pre>cmake -DFLATBUFFERS_SOURCE_DIR=/tmp/flatbuffers ..</pre></div> <p>And the binary directory would automatically be set to <code>/tmp/flatbuffers-build</code>.</p> <p>Currently, the third party libraries that can be provided this way are:</p> <table> <thead> <tr> <th>Library</th> </tr> </thead> <tbody> <tr> <td>CURL</td> </tr> <tr> <td>FLATBUFFERS</td> </tr> <tr> <td>LIBUV</td> </tr> <tr> <td>NANOPB</td> </tr> <tr> <td>UWEBSOCKETS</td> </tr> <tr> <td>ZLIB</td> </tr> </tbody> </table> <h4><a id="user-content-building-with-cmake-for-ios" class="anchor" aria-hidden="true" href="#building-with-cmake-for-ios"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Building with CMake for iOS</h4> <p>The Firebase C++ SDK comes with a CMake config file to build the library for iOS platforms, <a href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/blob/master/cmake/toolchains/ios.cmake">cmake/toolchains/ios.cmake</a>. In order to build with it, when running the CMake configuration pass it in with the CMAKE_TOOLCHAIN_FILE definition. For example, to build the Analytics library for iOS, you could run the following commands:</p> <div class="highlight highlight-source-shell"><pre>mkdir ios_build <span class="pl-k">&&</span> <span class="pl-c1">cd</span> ios_build cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/toolchains/ios.cmake .. cmake --build <span class="pl-c1">.</span> --target firebase_analytics</pre></div> <h3><a id="user-content-building-with-gradle-for-android" class="anchor" aria-hidden="true" href="#building-with-gradle-for-android"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Building with Gradle for Android</h3> <p>When building the Firebase C++ SDK for Android, gradle is used in combination with CMake when producing the libraries. Each Firebase feature is its own gradle subproject off of the root directory. The gradle target to build the release version of each Firebase library is:</p> <table> <thead> <tr> <th>Feature</th> <th>Gradle Target</th> </tr> </thead> <tbody> <tr> <td>App (base library)</td> <td>:app:assembleRelease</td> </tr> <tr> <td>AdMob</td> <td>:admob:assembleRelease</td> </tr> <tr> <td>Google Analytics for Firebase</td> <td>:analytics:assembleRelease</td> </tr> <tr> <td>Firebase Authentication</td> <td>:auth:assembleRelease</td> </tr> <tr> <td>Firebase Realtime Database</td> <td>:database:assembleRelease</td> </tr> <tr> <td>Firebase Dynamic Links</td> <td>:dynamic_links:assembleRelease</td> </tr> <tr> <td>Cloud Functions for Firebase</td> <td>:functions:assembleRelease</td> </tr> <tr> <td>Firebase Invites</td> <td>:invites:assembleRelease</td> </tr> <tr> <td>Firebase Cloud Messaging</td> <td>:messaging:assembleRelease</td> </tr> <tr> <td>Firebase Remote Config</td> <td>:remote_config:assembleRelease</td> </tr> <tr> <td>Cloud Storage for Firebase</td> <td>:storage:assembleRelease</td> </tr> </tbody> </table> <p>For example, to build the release version of the Analytics library, you could run the following from the root directory:</p> <div class="highlight highlight-source-shell"><pre>./gradlew :analytics:assembleRelease</pre></div> <h4><a id="user-content-proguard-file-generation" class="anchor" aria-hidden="true" href="#proguard-file-generation"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Proguard File Generation</h4> <p>Note that as part of the build process, each library generates a proguard file that should be included in your application. The generated file is located in each library’s build directory. For example, the Analytics proguard file would be generated to <code>analytics/build/analytics.pro</code>.</p> <h2><a id="user-content-including-in-projects" class="anchor" aria-hidden="true" href="#including-in-projects"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Including in Projects</h2> <h3><a id="user-content-including-in-cmake-projects" class="anchor" aria-hidden="true" href="#including-in-cmake-projects"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Including in CMake Projects</h3> <p>Including the Firebase C++ SDK to another CMake project is fairly straightforward. In the CMakeLists.txt file that wants to include the Firebase C++ SDK, you can use <a href="https://web.archive.org/web/20201101065140/https://cmake.org/cmake/help/latest/command/add_subdirectory.html" rel="nofollow">add_subdirectory</a>, providing the location of the cloned repository. For example, to add Analytics, you could add the following to your CMakeLists.txt file:</p> <div class="highlight highlight-source-cmake"><pre><span class="pl-c1">add_subdirectory</span>( [[Path to the Firebase C++ SDK]] ) <span class="pl-c1">target_link_libraries</span>( [[Your CMake Target]] firebase_analytics firebase_app)</pre></div> <p>Additional examples of how to do this for each library are available in the <a href="https://web.archive.org/web/20201101065140/https://github.com/firebase/quickstart-cpp">C++ Quickstarts</a>.</p> <h3><a id="user-content-including-in-android-gradle-projects" class="anchor" aria-hidden="true" href="#including-in-android-gradle-projects"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Including in Android Gradle Projects</h3> <p>In order to link the Firebase C++ SDK with your gradle project, in addition to the CMake instructions above, you can use <a href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/blob/master/Android/firebase_dependencies.gradle">Android/firebase_dependencies.gradle</a> to link the libraries, their dependencies, and the generated proguard files. For example, to add Analytics, you could add the following to your build.gradle file:</p> <div class="highlight highlight-source-groovy-gradle"><pre>apply <span class="pl-c1">from</span>: “[[<span class="pl-k">Path</span> to the <span class="pl-k">Firebase</span> C<span class="pl-k">++</span> <span class="pl-c1">SDK</span>]]<span class="pl-sr"><span class="pl-pds">/</span>Android<span class="pl-pds">/</span></span>firebase_dependencies<span class="pl-k">.</span>gradle” firebaseCpp<span class="pl-k">.</span><span class="pl-en">dependencies</span> { analytics }</pre></div> <p>Additional examples of how to do this for each library are available in the <a href="https://web.archive.org/web/20201101065140/https://github.com/firebase/quickstart-cpp">C++ Quickstarts</a>.</p> <h2><a id="user-content-contributing" class="anchor" aria-hidden="true" href="#contributing"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>Contributing</h2> <p>We love contributions, but note that we are still working on setting up our test infrastructure, so we may choose not to accept pull requests until we have a way to validate those changes on GitHub. Please read our <a href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/blob/master/CONTRIBUTING.md">contribution guidelines</a> to get started.</p> <h2><a id="user-content-license" class="anchor" aria-hidden="true" href="#license"><svg class="octicon octicon-link" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z"></path></svg></a>License</h2> <p>The contents of this repository is licensed under the <a href="https://web.archive.org/web/20201101065140/http://www.apache.org/licenses/LICENSE-2.0" rel="nofollow">Apache License, version 2.0</a>.</p> <p>Your use of Firebase is governed by the <a href="https://web.archive.org/web/20201101065140/https://firebase.google.com/terms/" rel="nofollow">Terms of Service for Firebase Services</a>.</p> </article> </div> </div> </div> <div class="flex-shrink-0 col-12 col-md-3"> <div class="BorderGrid BorderGrid--spacious" data-pjax> <div class="BorderGrid-row hide-sm hide-md"> <div class="BorderGrid-cell"> <h2 class="mb-3 h4">About</h2> <p class="f4 mt-3"> Firebase C++ SDK </p> <div class="mt-3 d-flex flex-items-center"> <svg class="octicon octicon-link flex-shrink-0 mr-2" height="16" viewbox="0 0 16 16" version="1.1" width="16" aria-hidden="true"><path fill-rule="evenodd" d="M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 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class="muted-link" href="#readme"> <svg class="octicon octicon-book mr-2" height="16" viewbox="0 0 16 16" version="1.1" width="16" aria-hidden="true"><path fill-rule="evenodd" d="M0 1.75A.75.75 0 01.75 1h4.253c1.227 0 2.317.59 3 1.501A3.744 3.744 0 0111.006 1h4.245a.75.75 0 01.75.75v10.5a.75.75 0 01-.75.75h-4.507a2.25 2.25 0 00-1.591.659l-.622.621a.75.75 0 01-1.06 0l-.622-.621A2.25 2.25 0 005.258 13H.75a.75.75 0 01-.75-.75V1.75zm8.755 3a2.25 2.25 0 012.25-2.25H14.5v9h-3.757c-.71 0-1.4.201-1.992.572l.004-7.322zm-1.504 7.324l.004-5.073-.002-2.253A2.25 2.25 0 005.003 2.5H1.5v9h3.757a3.75 3.75 0 011.994.574z"></path></svg> Readme </a> </div> <h3 class="sr-only">License</h3> <div class="mt-3"> <a href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/blob/master/LICENSE" class="muted-link"> <svg class="octicon octicon-law mr-2" height="16" viewbox="0 0 16 16" version="1.1" width="16" aria-hidden="true"><path fill-rule="evenodd" d="M8.75.75a.75.75 0 00-1.5 0V2h-.984c-.305 0-.604.08-.869.23l-1.288.737A.25.25 0 013.984 3H1.75a.75.75 0 000 1.5h.428L.066 9.192a.75.75 0 00.154.838l.53-.53-.53.53v.001l.002.002.002.002.006.006.016.015.045.04a3.514 3.514 0 00.686.45A4.492 4.492 0 003 11c.88 0 1.556-.22 2.023-.454a3.515 3.515 0 00.686-.45l.045-.04.016-.015.006-.006.002-.002.001-.002L5.25 9.5l.53.53a.75.75 0 00.154-.838L3.822 4.5h.162c.305 0 .604-.08.869-.23l1.289-.737a.25.25 0 01.124-.033h.984V13h-2.5a.75.75 0 000 1.5h6.5a.75.75 0 000-1.5h-2.5V3.5h.984a.25.25 0 01.124.033l1.29.736c.264.152.563.231.868.231h.162l-2.112 4.692a.75.75 0 00.154.838l.53-.53-.53.53v.001l.002.002.002.002.006.006.016.015.045.04a3.517 3.517 0 00.686.45A4.492 4.492 0 0013 11c.88 0 1.556-.22 2.023-.454a3.512 3.512 0 00.686-.45l.045-.04.01-.01.006-.005.006-.006.002-.002.001-.002-.529-.531.53.53a.75.75 0 00.154-.838L13.823 4.5h.427a.75.75 0 000-1.5h-2.234a.25.25 0 01-.124-.033l-1.29-.736A1.75 1.75 0 009.735 2H8.75V.75zM1.695 9.227c.285.135.718.273 1.305.273s1.02-.138 1.305-.273L3 6.327l-1.305 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version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M8 4a4 4 0 100 8 4 4 0 000-8z"></path></svg> <span class="text-gray-dark text-bold mr-1">C++</span> <span>81.3%</span> </a> </li> <li class="d-inline"> <a class="d-inline-flex flex-items-center flex-nowrap link-gray no-underline text-small mr-3" href="/web/20201101065140/https://github.com/firebase/firebase-cpp-sdk/search?l=objective-c%2B%2B" data-ga-click="Repository, language stats search click, location:repo overview"> <svg class="octicon octicon-dot-fill mr-2" style="color:#6866fb;" viewbox="0 0 16 16" version="1.1" width="16" height="16" aria-hidden="true"><path fill-rule="evenodd" d="M8 4a4 4 0 100 8 4 4 0 000-8z"></path></svg> <span class="text-gray-dark text-bold mr-1">Objective-C++</span> <span>6.8%</span> </a> </li> <li class="d-inline"> <a class="d-inline-flex flex-items-center flex-nowrap link-gray no-underline text-small mr-3" 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