Android Host Solution.pdf

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PL2303 Android USB Host Solution
Application Note
For Android 3.2 and above
PL2303 USB-to-Serial Controller
Android USB Host Solution
(How to Connect PL2303 Device to Android Tablets & Phones)
Prolific Technology provides the first and only Android USB Host API and
driver solution (NO root permission needed) for connecting PL2303
USB-to-Serial devices to Android-powered devices with
USB Host mode
support
(see Figure 1-1). This document provides information on how to
help Prolific customers use the PL2303 Android Java Driver Library to
develop Android application software (Apps) for communicating with the
PL2303 USB-to-Serial device.
Figure 1-1: Android USB Host Mode
Minimum Requirements
USB Device with PL2303HXD, PL2303EA, PL2303RA, or PL2303SA controller chip
USB to Serial Cables/Adapters/Converters Devices
USB GPS Devices
USB Health/Medical/Fitness Devices
USB POS Devices
Other USB-to-Serial (UART/RS232) Interface Devices
Micro USB Host OTG Cable may be needed for Android Phones
NOTE: PL2303HXA and PL2303XA are not supported (Discontinued Products)
Android-Powered Device (Tablet/Phones) with USB Host Mode Support
Android 3.2 and above OS versions
Know-How in Java Programming and Android App Software Development
Prolific Technology Inc.
- 1 of 10 -
November 23, 2012
All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding
the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial
damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be
reproduced or transmitted in any form by any means without the express written permission of the manufacturer.
PL2303 Android USB Host Solution
Application Note
For Android 3.2 and above
PL2303 Android Software Development Kit (SDK)
Prolific provides the following file package to help customers develop PL2303 Android Apps:
PL2303 Sample Test Android App Software
(ap_PL2303HXDSimpleTest.apk)
This is demo application to detect PL2303 device in Android and do simple test.
PL2303 Android USB Host Solution Application Note
This document which includes User Guide for running the above sample program.
PL2303 Sample Test Android App Source Code
Source code for ap_PL2303HXDSimpleTest.apk
(pl2303driver.jar)
PL2303 Android Java Driver Library
PL2303 Android Driver for PL2303HXD, PL2303EA, PL2303RA, and PL2303SA only.
PL2303 Android App Development Reference Document
Reference document for writing Android Application Software
(index.html)
PL2303 Sample Test Program
This section describes how to install and run the PL2303 Android Sample Test program using a
USB-to-Serial (RS232 DB9) cable:
Prolific Technology Inc.
- 2 of 10 -
November 23, 2012
All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding
the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial
damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be
reproduced or transmitted in any form by any means without the express written permission of the manufacturer.
PL2303 Android USB Host Solution
Application Note
For Android 3.2 and above
1.
Power on your Android device (Android 3.2 and above) with USB host support. Only one PL2303
device is supported.
2.
Click check on the Android Sample Test program (ap_PL2303HXDSimpleTest.apk) to run install.
3.
Click Install when prompted to install the Android app.
Prolific Technology Inc.
- 3 of 10 -
November 23, 2012
All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding
the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial
damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be
reproduced or transmitted in any form by any means without the express written permission of the manufacturer.
PL2303 Android USB Host Solution
Application Note
For Android 3.2 and above
4.
The PL2303 Android app will start to install.
5.
When Application is installed, click OPEN.
Prolific Technology Inc.
- 4 of 10 -
November 23, 2012
All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding
the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial
damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be
reproduced or transmitted in any form by any means without the express written permission of the manufacturer.
PL2303 Android USB Host Solution
Application Note
For Android 3.2 and above
6.
Plug in the PL2303 USB to Serial device. Click OK when prompted to allow the app to access
the USB device.
7.
If the PL2303 USB device is detected, the app will pop out a connected status message. If not,
replug the device and click OPEN. Make sure you get a connected pop out message.
Prolific Technology Inc.
- 5 of 10 -
November 23, 2012
All information herein is subject to change without prior notice. Prolific Technology Inc. does not make any warranties regarding
the accuracy and completeness of this document and shall in no event be liable for any loss of profit or any other commercial
damage, including but not limited to special, incidental, consequential, or other damages. No part of this document may be
reproduced or transmitted in any form by any means without the express written permission of the manufacturer.

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