Kotlin

Create an Android project

New Android Project

Create new a app-to-app folder inside vonage-tutorial folder:

mkdir app-to-app

Open Android Studio and, from the menu, select File > New > New Project.... Select a Empty Activity template type and click Next.

Create project

Enter app-to-app as project name, point location to previously created vonage-tutorial/app-to-app folder, select as Kotlin language and press Finish button.

You now have a brand new Android Project.

Add Client SDK dependency

To add the Client SDK to the project, add the following dependency in the module-level build.gradle file.:

Build gradle

Enable jetifier in the gradle.properties file by adding the below line:

Finally, you will need to increase the memory allocation for the JVM by editing the org.gradle.jvmargs property in your gradle.properties file. We recommend this be set to at least 4GB:

Making an app to app voice call

Make a voice call from an Android app to the same Android app installed on other device using the Android Client SDK.

Steps
1
Introduction to this task
2
Prerequisites
3
Create a webhook server
4
Create a Vonage Application
5
Create the users
6
Generate JWTs
7
Create an Android project
8
Add permissions
9
Build main screen
10
Initialize the client
11
Receive call
12
Place a call
13
What's next?