# Building a messaging app using Chat SDK If you want to build a messaging app, you can use the Chat SDK project as your starting point. To do this you will need to do the folling: 1. [Add the Chat SDK libraries to your project](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/B1S2tXdqL) 2. [Configure Firebase](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/BkvpPKFqI) 3. [Configure the Chat SDK](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/Hke7KN_qI) 4. [Enable the Chat SDK Theme](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/B13K8y6p8) 5. [Enable Location Messages](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/rkyHX76hU) 6. [Display the login screen](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/HJzwrrO5L) 7. [Add additional module dependencies](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/Bkpy076hL) 8. [Enable and configure the modules](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/BJSBZ5t5U) 9. [Add Proguard rules to allow minification](https://hackmd.io/2AxL9-8BRLmuTXdXX_AZSg) # Add the Chat SDK to a Firebase app If you already have a Firbase app and you want to add Chat SDK 1. [Add the Chat SDK libraries to your project](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/B1S2tXdqL) 2. [Configure Firebase Steps [9, 10, 11]](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/BkvpPKFqI) 3. [Configure the Chat SDK](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/Hke7KN_qI) 4. [Enable Location Messages](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/rkyHX76hU) 5. [Enable the Chat SDK Theme](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/B13K8y6p8) 6. [Add additional module dependencies](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/Bkpy076hL) 7. [Enable and configure the modules](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/BJSBZ5t5U) 8. [Synchronize user profiles with your app](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/ByPlWV6h8) 9. [Add Proguard rules to allow minification](https://hackmd.io/2AxL9-8BRLmuTXdXX_AZSg) # Add the Chat SDK to a non-Firebase app If you have a non-Firebase app and you want to add the Chat SDK 1. [Add the Chat SDK libraries to your project](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/B1S2tXdqL) 2. [Configure Firebase](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/BkvpPKFqI) 3. [Configure the Chat SDK](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/Hke7KN_qI) 4. [Enable the Chat SDK Theme](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/B13K8y6p8) 5. [Enable Location Messages](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/rkyHX76hU) 6. [Add additional module dependencies](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/Bkpy076hL) 7. [Enable and configure the modules](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/BJSBZ5t5U) 8. [Enable token authentication](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/H18dFBRhL) 9. [Synchronize user profiles with your app](https://hackmd.io/@dyR2Vn0UTFaO8tZjyiJyHw/ByPlWV6h8) 10. [Add Proguard rules to allow minification](https://hackmd.io/2AxL9-8BRLmuTXdXX_AZSg) <!-- # Extra -->
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Ben Smiley
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Overriding Activities and Fragments

You can customize the UI by subclassing UI elements and then injecting them into the framework. You should always do this just after Chat SDK activation. Checkout the example here. Override Activity For example, to override the chat activity you would subclass the PostRegistrationActivity then use: ChatSDKUI.setPostRegistrationActivity(CustomPostRegistrationActivity.class);

1/7/2021
Add Additional Modules to Chat SDK

Add modules to your app-level build.gradle file Android Auto Support implementation "sdk.chat:mod-auto:[latest-version]" Allow users to have multiple profile pictures implementation "sdk.chat:mod-profile-pictures:[latest-version]"

12/4/2020
Add Chat SDK to your project

Android X Make sure you've added the following to your gradle.properties file: android.useAndroidX=true android.enableJetifier=true Inherit from Chat SDK theme The Chat SDK uses custom attributes so you need to make sure that your app inherits from the Chat SDK theme. <style name="AppTheme" parent="ChatSDKTheme">

12/4/2020
Proguard

Add the following to your proguard-rules.pro: # ChatSDK -keep public class sdk.chat.**, sdk.guru.**, firestream.chat.**, app.xmpp.**, co.chatsdk.** { public protected *; } -keep class org.ocpsoft.prettytime.i18n.** -keep class .R

7/27/2020
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