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# TruClient - Native Mobile protocol

TruClient - Native Mobile protocol enables you to record and replay actions on native mobile applications, on both Android and iOS devices. To create and develop TruClient - Native Mobile scripts, VuGen integrates with OpenText Functional Testing Lab for Mobile and Web, which hosts the mobile devices used for testing.

TruClient help: TruClient help is now part of the VuGen Help Center. For earlier versions, refer to the previous help.

In this topic:

## Overview

This integration enables you to use TruClient technology to record and run performance tests for mobile apps on devices hosted by OpenText Functional Testing Lab.

When working with Native Mobile scripts, VuGen communicates with the OpenText Functional Testing Lab server, a centralized lab to which the mobile devices are connected. This enables devices to be shared between DevOps engineers and developers.

You do not need to have a mobile device with you physically. You interact with the device using a Virtual Network Computing (VNC) view inside the browser used by the TruClient engine.

Android and iOS applications are supported. Scripts that are recorded on one operating system can run on any other device from the same OS family.

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## Enhance Native Mobile scripts

Native Mobile scripts can be enhanced by using standard TruClient functionality, including parameterization, transactions, and JavaScript coding.

For details, see Use parameters to vary arguments and Work with JavaScript in TruClient scripts.

Additional enhancements are available specifically for Native Mobile scripts. For details, see Enhance TruClient - Native Mobile scripts.

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## Terminology: TruClient - Native Mobile protocol vs. TruClient - Web protocol

While TruClient - Web scripts use terminology such as Click and Link, the steps created by TruClient - Native Mobile protocol use mobile-specific terminology such as Tap and Swipe:

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## Performance analysis recommendations

When running TruClient - Native Mobile scripts in a load test, you can monitor device performance measurements during the test run. These measurements include:

- CPU consumed on the device
- Free memory on the device
- Memory consumed by the application

By correlating the transaction response time and the performance measurements in Analysis, you can gain insight into why the application's performance suffers in certain situations.

In most environments, the back-end system is identical for all front-end systems. For example, the database and application server are serving both the web site and the mobile application. The best practice is to generate load on the back-end using a protocol such as Web – HTTP/HTML or TruClient - Web, and at the same time, run a single user on each device you want to test, using the TruClient – Native Mobile protocol.

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https://admhelp.microfocus.com VuGen,Professional Performance Engineering,Performance Engineering for Developers 8942
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