android things源码,GitHub - androidthings/sample-simpleui: Connect GPIO states with a graphical UI on ...

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本文介绍了一款名为SimplePeripheralUI的工具，它通过图形化界面展示Android Things设备的GPIO，允许用户直观地监控输入状态并远程控制输出。该工具简化了与GPIO的交互，无需修改代码即可控制LED等数字外设。注意，非商业使用Android Things Console将于2022年1月5日关闭。

Simple Peripheral UI

This utility exposes the GPIO of an Android Things device as switch widgets in

a graphical UI. You review the state of inputs, and click the switches to control

the state of outputs.

Note: The Android Things Console will be turned down for non-commercial

use on January 5, 2022. For more details, see the

FAQ page.

Introduction

This utility shows on the attached display Android Switch widgets for each GPIO pin exported by the board.

When you click or tap on the switch, the GPIO active status switch from HIGH to LOW according to the widget state.

You can attach LEDs or other digital output peripheral to your GPIO pins and toggle them on and off without changing a single line of code

(if you connect LEDs: make sure you add 470 ohms current-limiting resistors in series to avoid damaging them).

Screenshots

Pre-requisites

Android Things compatible board

Display with touch input or external pointing device

Android Studio 2.2+

LEDs

resistors

Breadboard

Build and install

On Android Studio, click on the "Run" button.

If you prefer to run on the command line, type

./gradlew installDebug

adb shell am start com.example.androidthings.simpleui/.SimpleUiActivity

License

Licensed to the Apache Software Foundation (ASF) under one or more contributor

license agreements. See the NOTICE file distributed with this work for

additional information regarding copyright ownership. The ASF licenses this

file to you under the Apache License, Version 2.0 (the "License"); you may not

use this file except in compliance with the License. You may obtain a copy of

the License at

Unless required by applicable law or agreed to in writing, software

distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

License for the specific language governing permissions and limitations under

the License.