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Build stack

Microsoft Teams Android tech stack

Android Microsoft Teams: React Native with Hermes, 30+ native libs including OneAuth/SkyLib/Pdfium, Jetpack Compose, and multi-sovereign Microsoft backends

v1416/1.0.0.2026082702 · latest

Languages

4

Java · Kotlin · React Native / JavaScript

Third-party SDKs

36

15 categories

Permissions

73

34 native libs

Signals

102

capabilities, APIs, fonts

Analyzed June 19, 2026·Bundle com.microsoft.teams·Detection observed
Built withJava146Kotlin143JJetpack Compose117Firebase Analytics118AApp Center12OOpenTelemetry25Google Play Billing49CCredential Manager58Google Sign-InOOkHttp125RRetrofit92VVolley36
SectionsRuntimeSDKsAndroid buildSignals

Analysis

What the stack reveals

An automated read of the signals detected on this page - each point links to the evidence below.

Hybrid React Native and native

Architecture

Bundles libreactnative.so and libhermes.so with hermes_bytecode enabled, plus Kotlin, Java, and C/C++ code, indicating a React Native core extended by platform-specific native modules.

libreactnative.so · libhermes.so · hermes_bytecode · Kotlin · +1

Runtime↓

Microsoft custom native libraries

Dependencies

On-disk native libraries include libOneAuth.so, libSkyLib.so, libRtmMediaManagerDyn.so, libPdfium.so, and libMicrosoft.AugLoop.Client.Jni.so for auth, media, and document handling.

libOneAuth.so · libSkyLib.so · libRtmMediaManagerDyn.so · libPdfium.so

SDKs↓

Multi-sovereign Microsoft hosts

Backend & API

Verified backend hosts and universal links cover commercial (teams.microsoft.com), government (gov.teams.microsoft.us), and DoD (dod.teams.microsoft.us) environments.

teams.microsoft.com · gov.teams.microsoft.us · dod.teams.microsoft.us · teams.skype.com

Signals↓

Jetpack Compose with image libs

Interface

UI stack uses Jetpack Compose and Material Components alongside Glide, Coil, Fresco, and Lottie, coexisting with the React Native layer.

Jetpack Compose · Material Components · Glide · Coil · +1

Frameworks↓

Keystore and capture blocking

Security

Uses Android Keystore, javax.crypto symmetric crypto, FLAG_SECURE for screenshot/recording block, and detects reflection plus process exec.

Android Keystore · Symmetric crypto (javax.crypto) · FLAG_SECURE

Signals↓

Extensive foreground services

Platform & build

Declares 44 services with foreground service permissions for microphone, media playback, data sync, and connected devices plus broad capabilities.

44 services · FOREGROUND_SERVICE_MICROPHONE · FOREGROUND_SERVICE_MEDIA_PLAYBACK · CAMERA

Build↓

Build

Build & platform

Android SDK levels, supported ABIs, and signing scheme from the Android app.

Min SDK

30

Target SDK

35

ABIs

1

arm64-v8a

Signing

v3

Common Name: Microsoft Teams for Android

Manifest

App components

Activities, services, broadcast receivers, and content providers declared in the manifest.

Activities

366

Services

44

Receivers

30

Providers

12

Exported (33)

activity-alias:com.microsoft.skype.teams.Launcheractivity-alias:com.microsoft.skype.teams.TelephoneDeepLinkAliasactivity:androidx.compose.ui.tooling.PreviewActivityactivity:com.microsoft.identity.client.BrowserTabActivityactivity:com.microsoft.identity.client.CurrentTaskBrowserTabActivityactivity:com.microsoft.skype.teams.views.activities.SplashActivityactivity:com.microsoft.teams.sharedlinks.views.activities.LinksActivityprovider:com.microsoft.skype.teams.data.providers.CallNotificationSettingsProviderprovider:com.microsoft.teams.auto.calling.AvatarContentProviderprovider:com.microsoft.teams.openlinks.browser.EdgeLaunchContextProviderreceiver:androidx.core.telecom.internal.MuteStateReceiverreceiver:androidx.profileinstaller.ProfileInstallReceiver

Manifest

Permissions

73 permissions requested in the manifest.
android.permission.ACCESS_COARSE_LOCATIONandroid.permission.ACCESS_FINE_LOCATIONandroid.permission.ACCESS_NETWORK_STATEandroid.permission.ACCESS_WIFI_STATEandroid.permission.AUTHENTICATE_ACCOUNTSandroid.permission.BLUETOOTHandroid.permission.BLUETOOTH_ADMINandroid.permission.BLUETOOTH_ADVERTISEandroid.permission.BLUETOOTH_CONNECTandroid.permission.BLUETOOTH_PRIVILEGEDandroid.permission.BLUETOOTH_SCANandroid.permission.CALL_PHONEandroid.permission.CAMERAandroid.permission.CHANGE_NETWORK_STATEandroid.permission.DETECT_SCREEN_CAPTUREandroid.permission.FOREGROUND_SERVICEandroid.permission.FOREGROUND_SERVICE_CONNECTED_DEVICEandroid.permission.FOREGROUND_SERVICE_DATA_SYNCandroid.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACKandroid.permission.FOREGROUND_SERVICE_MEDIA_PROJECTION

Native

Native libraries

Bundled native (.so) libraries - NDK code and cross-platform runtimes.
libadaptivecards-native-lib.solibandroidx.graphics.path.solibc++_shared.solibcrashpad_handler.solibcrashpad_handler_trampoline.solibfbjni.solibgifimage.solibhermes.solibhermestooling.solibimage_processing_util_jni.solibimagepipeline.solibjsctooling.solibjsi.solibjsiasyncstorage.solibmaesdk.solibMicrosoft.AugLoop.Client.Jni.solibmock-native-lib.solibmswtopus.solibnative-filters.solibnative-imagetranscoder.so

API

API surface

Endpoints, base URLs, and URI schemes recovered from the DEX string pool (Retrofit detected).

API endpoints

/account/locate/account/login/account/logout/account/settings/account/{userId}/api//api/apps/part/dogfood//api/attendancereport/prod//api/auth//api/authsvc//api/beta/loop/api/chatsvc//api/chatsvc/amer//api/clientevents/api/common/zzab/api/common/zzad/api/common/zzag/api/common/zzai/api/common/zzay/api/common/zzf

URI schemes

aeaandroid-appandroid.resourceanimapiappassetsbrk-multihubbrowserbundle-assetscompanyportalcopilot-agents-mobileintentmarketmicrosoft-authenticatorms-outlookmsauthmsteamsmsteams-flmsteamspartnerrawresourceschemeuriwswss

Signals

Capability & security signals

Behaviors inferred from DEX type descriptors - WebView bridges, dynamic code loading, reflection, crypto, keystore, and more.
Android KeystorePlay Core (in-app updates / dynamic features)Process exec (Runtime)ReflectionScreenshot/recording block (FLAG_SECURE)Symmetric crypto (javax.crypto)Telephony / device infoWebViewWebView JavaScript bridge

Security

Potential secrets detected

String patterns matching credentials/keys found by static scanning. Counts only - values are never published.
google oauth client: 3

Build

Build & platform

Compiler, target OS, supported device families, and localization footprint detected from the bundle.

Devices

Android

Runtime

Languages & runtimes

Primary runtimes and language signatures used by the app.
C/C++ (native)
142
Java
146
Kotlin
143
React Native / JavaScript
45

Dependencies

Third-party SDKs

Grouped by purpose. Select any SDK to see other tracked apps that use it; open the ↗ link for its source.
36 of 36 SDKs
SDKCategoryVendorVersionAppsSource
Firebase AnalyticsApp usage and event analytics from Firebase.AnalyticsGoogle-118
AApp CenterCrash & Performance--12
OpenTelemetryObservability APIs and SDKs for traces, metrics, and logs.Crash & PerformanceOpenTelemetry-25
Google Play BillingIn-app purchases and subscriptions on Google Play.PaymentsGoogle-49
Credential ManagerUnified passkey/password/federated sign-in API (Jetpack).AuthenticationGoogle-58
Google Sign-InGoogle account authentication for Android.AuthenticationGoogle-140
OkHttpHTTP client for Android and Kotlin/Java.NetworkingSquare-125
RetrofitType-safe HTTP client for Android/Java.NetworkingSquare-92
VolleyHTTP networking library for Android.NetworkingGoogle-36
Apollo GraphQLType-safe GraphQL client.GraphQL / APIApollo GraphQL-39
Firebase Cloud MessagingPush notifications via Firebase Cloud Messaging.MessagingGoogle-131
Google LocationFused location / geofencing services.MapsGoogle-106
Google MapsGoogle Maps SDK for mapping, places, and geocoding.MapsGoogle-87
Media3 (ExoPlayer)Media playback (ExoPlayer) for Android.MediaGoogle-88
Kotlin CoroutinesAsynchronous/concurrent programming for Kotlin.Reactive / AsyncJetBrains-131
RxJavaReactive extensions library for composing asynchronous Java/Kotlin streams.Reactive / AsyncReactiveX-66
RxJava 3Reactive extensions library for composing asynchronous Java/Kotlin streams.Reactive / AsyncReactiveX-19
DataStoreTyped key-value / proto data storage (Jetpack).StorageGoogle-90
GgreenDAOStorage--4
OkioI/O and buffering library for Kotlin/Java.StorageSquare-86
RoomSQLite object-mapping persistence (Jetpack).StorageGoogle-129
FirebaseGoogle's app platform (auth, Firestore, messaging, analytics, crash reporting).FirebaseGoogle-160
Google DataTransportFirebase/Google transport runtime for telemetry and event delivery.FirebaseGoogle-143
Google Play servicesGoogle's core mobile services platform.FirebaseGoogle-143
AndroidSVGSVG parser and renderer for Android.RenderingBig Bad Logic-45
CoilKotlin-first image loading for Android.RenderingCoil Contributors-75
FrescoAndroid image loading, caching, and rendering library.RenderingMeta-34
GlideImage loading and caching for Android.RenderingBumptech-112
Jetpack ComposeAndroid's declarative UI toolkit.RenderingGoogle-117
JjLaTeXMathRendering--6
LottieRenders After Effects vector animations.RenderingAirbnb-138
MarkwonMarkdown renderer for Android.RenderingNoties-23
Material ComponentsMaterial Design UI components for Android.RenderingGoogle-138
PicassoImage downloading and caching library for Android.RenderingSquare-28
libPhoneNumberPhone number parsing, formatting, and validation library.TelephonyGoogle-30
Play IntegrityApp/device integrity and anti-abuse attestation API for Android.Anti-FraudGoogle-51
36 SDK rows

Interface

UI & graphics

Frameworks and libraries Microsoft Teams uses to render its interface and animations.
CoilFrescoGlideJetpack ComposeLottieMaterial ComponentsPicasso

Assets

Bundled fonts

Custom font families packaged in the app bundle.
fontelloFullMDL2.1.85Impactjlm_cmbsy10jlm_cmbx10jlm_cmbxti10jlm_cmex10jlm_cmmi10jlm_cmmib10jlm_cmr10jlm_cmss10jlm_cmssbx10jlm_cmssi10jlm_cmsy10jlm_cmti10jlm_cmtt10jlm_dsrom10jlm_eufb10jlm_eufm10jlm_jlmbi10jlm_jlmbx10jlm_jlmi10jlm_jlmr10jlm_jlmsb10jlm_jlmsbi10jlm_jlmsi10jlm_jlmss10jlm_jlmtt10

Packaging

Build & packaging

Dependency managers and build tooling detected in the app bundle.
Gradle (inferred)

Integrations

Services & integrations

Service configuration, URL schemes, universal links, and integration keys observed in the sanitized audit.

Firebase projects

teamspace-1154

SDK config keys

com.google.android.geo.API_KEYGoogle Maps

Registered URL schemes

httpsmsauthmsteamsmsteams-fltel

Queries other apps

com.android.vendingcom.azure.authenticatorcom.facebook.katanacom.facebook.orcacom.google.android.gmcom.google.ar.corecom.instagram.androidcom.microsoft.appmanagercom.microsoft.emmxcom.microsoft.emmx.betacom.microsoft.emmx.canarycom.microsoft.emmx.localcom.microsoft.identity.testuserappcom.microsoft.intune.aospagentcom.microsoft.mockauthappcom.microsoft.mockcpcom.microsoft.mockltwcom.microsoft.office.excelcom.microsoft.office.officehubrowcom.microsoft.office.onenotecom.microsoft.office.outlookcom.microsoft.office.powerpointcom.microsoft.office.wordcom.microsoft.skydrivecom.microsoft.streamcom.microsoft.teamscom.microsoft.windowsintune.companyportalcom.snapchat.android

Universal link hosts

com.microsoft.teamsdevspaces.skype.comdod.teams.microsoft.usengage.cloud.microsoftgov.teams.microsoft.usjoin.skype.comkrs.microsoft.comppespaces.skype.comteams.cloud.microsoftteams.live.comteams.microsoft.comteams.microsoft.scloudteams.microsoftonline.cnteams.skype.com
Allows arbitrary network loads

Network

Backend & API

Backend hosts, GraphQL operations, and certificate pinning signals detected in the app.

Backend hosts

devspaces.skype.comdod.teams.microsoft.usengage.cloud.microsoftgov.teams.microsoft.usjoin.skype.comkrs.microsoft.comppespaces.skype.comteams.cloud.microsoftteams.live.comteams.microsoft.comteams.microsoft.scloudteams.microsoftonline.cnteams.skype.com

First party

App modules

Likely first-party modules and resource bundles detected in Microsoft Teams.
com.microsoftcom.microsoft.teams

Entitlements

Capabilities

System capabilities and entitlement flags included with the app.
Approximate locationBluetoothBluetooth (connect)Bluetooth (scan)CameraContacts (read)Contacts (write)Draw over other appsForeground serviceForeground service: media playbackForeground service: microphoneMedia: audioMedia: imagesMedia: videoMicrophoneNFCNotificationsPhone / carrier infoPrecise locationStorage (read)Storage (write)

APIs

Detected API usage

System frameworks and privacy-sensitive APIs referenced by the binary.
Android KeystorePlay Core (in-app updates / dynamic features)Process exec (Runtime)ReflectionScreenshot/recording block (FLAG_SECURE)Symmetric crypto (javax.crypto)Telephony / device infoWebViewWebView JavaScript bridge

Runtime config

Feature flags

5 feature-flag keys found in the build.
logcat_enabledpii_enabledpower_opt_check_for_network_req_enabledweb_view_zoom_controls_enabledweb_view_zoom_enabled

Privacy

Privacy signals

Privacy-related data types, tracking domains, and sensitive API signals detected statically.

Tracking domains

app.adjust.com

Accessed API samples

Analytics SDK presentApp CenterFirebase AnalyticsFirebase MessagingOpenTelemetryTracking/telemetry hosts in app strings

Architecture

Architecture details

Additional build and bundle signals that help explain how the app is structured.

Storyboards

0

Nibs

0

Build dependency versions

androidx.activity_activity1.8.2 · Google
androidx.activity_activity-compose1.8.2 · Google
androidx.activity_activity-ktx1.8.2 · Google
androidx.annotation_annotation-experimental1.4.1 · Google
androidx.appcompat_appcompat1.7.0 · Google
androidx.appcompat_appcompat-resources1.7.0 · Google
androidx.asynclayoutinflater_asynclayoutinflater1.0.0
androidx.autofill_autofill1.1.0 · Google
androidx.browser_browser1.8.0 · Google
androidx.camera_camera-camera21.4.2 · Google
androidx.camera_camera-core1.4.2 · Google
androidx.camera_camera-lifecycle1.4.2 · Google
androidx.camera_camera-video1.4.2
androidx.camera_camera-view1.4.2
androidx.car.app_app1.4.0-beta01
androidx.cardview_cardview1.0.0 · Google
androidx.compose.animation_animation1.8.3 · Google
androidx.compose.animation_animation-core1.8.3 · Google
androidx.compose.foundation_foundation1.8.3 · Google
androidx.compose.foundation_foundation-layout1.8.3 · Google
androidx.compose.material3_material31.3.2 · Google
androidx.compose.material_material1.8.3
androidx.compose.material_material-icons-core1.6.0
androidx.compose.material_material-ripple1.8.3 · Google
androidx.compose.runtime_runtime1.8.3 · Google
androidx.compose.runtime_runtime-livedata1.8.3
androidx.compose.runtime_runtime-saveable1.8.3 · Google
androidx.compose.ui_ui1.8.3 · Google
androidx.compose.ui_ui-geometry1.8.3 · Google
androidx.compose.ui_ui-graphics1.8.3 · Google
androidx.compose.ui_ui-text1.8.3 · Google
androidx.compose.ui_ui-tooling1.8.3 · Google
androidx.compose.ui_ui-tooling-data1.8.3 · Google
androidx.compose.ui_ui-tooling-preview1.8.3 · Google
androidx.compose.ui_ui-unit1.8.3 · Google
androidx.compose.ui_ui-util1.8.3 · Google
androidx.coordinatorlayout_coordinatorlayout1.1.0 · Google
androidx.core_core1.13.1 · Google
androidx.core_core-ktx1.13.1 · Google
androidx.core_core-splashscreen1.0.1
androidx.core_core-telecom1.0.1
androidx.core_core-viewtree1.0.0 · Google
androidx.credentials_credentials1.2.2 · Google
androidx.credentials_credentials-play-services-auth1.2.2 · Google
androidx.cursoradapter_cursoradapter1.0.0 · Google
androidx.customview_customview1.1.0 · Google
androidx.customview_customview-poolingcontainer1.0.0 · Google
androidx.databinding_baseAdapters8.8.2
androidx.databinding_databindingKtx8.8.2
androidx.databinding_library8.8.2
androidx.databinding_viewbinding8.8.2 · Google
androidx.datastore_datastore1.0.0 · Google
androidx.datastore_datastore-preferences1.0.0 · Google
androidx.documentfile_documentfile1.0.0 · Google
androidx.drawerlayout_drawerlayout1.1.0 · Google
androidx.dynamicanimation_dynamicanimation1.1.0-alpha03 · Google
androidx.dynamicanimation_dynamicanimation-ktx1.0.0-alpha03
androidx.emoji2_emoji21.4.0 · Google
androidx.emoji2_emoji2-views-helper1.4.0 · Google
androidx.emoji_emoji1.0.0
androidx.exifinterface_exifinterface1.0.0 · Google
androidx.fragment_fragment1.6.0 · Google
androidx.fragment_fragment-ktx1.5.7 · Google
androidx.graphics_graphics-path1.0.1 · Google
androidx.gridlayout_gridlayout1.0.0
androidx.interpolator_interpolator1.0.0 · Google
androidx.legacy_legacy-support-core-ui1.0.0
androidx.legacy_legacy-support-core-utils1.0.0 · Google
androidx.legacy_legacy-support-v41.0.0
androidx.lifecycle_lifecycle-extensions2.1.0
androidx.lifecycle_lifecycle-livedata2.9.0 · Google
androidx.lifecycle_lifecycle-livedata-core2.9.0 · Google
androidx.lifecycle_lifecycle-livedata-core-ktx2.9.0 · Google
androidx.lifecycle_lifecycle-livedata-ktx2.9.0 · Google
androidx.lifecycle_lifecycle-process2.9.0 · Google
androidx.lifecycle_lifecycle-runtime2.9.0 · Google
androidx.lifecycle_lifecycle-runtime-compose2.9.0 · Google
androidx.lifecycle_lifecycle-runtime-ktx2.9.0 · Google
androidx.lifecycle_lifecycle-service2.9.0 · Google
androidx.lifecycle_lifecycle-viewmodel2.9.0 · Google
androidx.lifecycle_lifecycle-viewmodel-compose2.9.0 · Google
androidx.lifecycle_lifecycle-viewmodel-ktx2.9.0 · Google
androidx.lifecycle_lifecycle-viewmodel-savedstate2.9.0 · Google
androidx.loader_loader1.0.0 · Google
androidx.localbroadcastmanager_localbroadcastmanager1.0.0 · Google
androidx.media_media1.0.0 · Google
androidx.metrics_metrics-performance1.0.0
androidx.navigation_navigation-common2.9.2 · Google
androidx.navigation_navigation-compose2.9.2 · Google
androidx.navigation_navigation-fragment2.9.2
androidx.navigation_navigation-fragment-ktx2.9.2
androidx.navigation_navigation-runtime2.9.2 · Google
androidx.navigation_navigation-ui2.9.2
androidx.navigation_navigation-ui-ktx2.9.2
androidx.paging_paging-runtime3.1.1 · Google
androidx.paging_paging-runtime-ktx3.1.1 · Google
androidx.paging_paging-rxjava22.1.2
androidx.paging_paging-rxjava2-ktx2.1.2
androidx.print_print1.0.0 · Google
androidx.profileinstaller_profileinstaller1.4.1 · Google
androidx.recyclerview_recyclerview1.3.1 · Google
androidx.room_room-ktx2.6.1 · Google
androidx.room_room-runtime2.6.1 · Google
androidx.room_room-rxjava22.6.1
androidx.savedstate_savedstate1.3.0 · Google
androidx.savedstate_savedstate-compose1.3.0 · Google
androidx.savedstate_savedstate-ktx1.3.0 · Google
androidx.sharetarget_sharetarget1.1.0
androidx.slidingpanelayout_slidingpanelayout1.2.0
androidx.sqlite_sqlite2.4.0 · Google
androidx.sqlite_sqlite-framework2.4.0 · Google
androidx.startup_startup-runtime1.1.1 · Google
androidx.swiperefreshlayout_swiperefreshlayout1.1.0 · Google
androidx.tracing_tracing1.2.0 · Google
androidx.tracing_tracing-ktx1.2.0 · Google
androidx.transition_transition1.4.1 · Google
androidx.vectordrawable_vectordrawable1.1.0 · Google
androidx.vectordrawable_vectordrawable-animated1.1.0 · Google
androidx.versionedparcelable_versionedparcelable1.1.1 · Google
androidx.viewpager2_viewpager21.1.0-beta02 · Google
androidx.viewpager_viewpager1.0.0 · Google
androidx.webkit_webkit1.14.0 · Google
androidx.window_window1.0.0 · Google
androidx.window_window-java1.0.0
androidx.work_work-runtime2.8.1 · Google
androidx.work_work-runtime-ktx2.8.1 · Google
com.google.android.material_material1.3.0 · material-components
com.google.dagger_dagger2.55 · Google
com.google.dagger_dagger-android2.55 · google
com.google.dagger_dagger-android-support2.55 · google
com.google.dagger_dagger-lint-aar2.55 · google
com.google.gson?
com.squareup.moshi?
Dagger? · Google
javax.inject? · JSR 330
kotlinx.serialization? · JetBrains
kotlinx_coroutines_android1.8.1
kotlinx_coroutines_core1.8.1
kotlinx_coroutines_guava1.8.1
kotlinx_coroutines_jdk81.8.1
kotlinx_coroutines_play_services1.8.1

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Microsoft Teams app icon

Live from Google Play

Microsoft Teams

Microsoft Corporation
Open in Google Play(opens in new tab)Developer site(opens in new tab)RSS feed

Rating

4.6 (8,756,770)

Price

Free

Installs

500M+ installs

Version

v1416/1.0.0.2026162502

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