usb app for android

Preface This chapter is about USB in the Android developer guide and translated into "USB Master/Slave devices". The version is Android 4.0 r1 and translated from: "beautiful life of the sun and fire". Welcome to his blog: "http://alot.sinaapp.com", thanks again "the charm of the sun and Fire God "! We look forward to

information seven times, there will be developer options. Go to developer options and turn on the Bluetooth debug switch.3. Open the debugging session:(1) Connect the USB cable to the computer and open the Android Wear app on the mobile phone (make sure the app is connected to the watch).(2) Click on the Gear menu on

Android adk with a standard Arduino UNO and USB Host shield a few weeks have past since my last post and a lot was going on. First off how great was Google io? I Hadn't the chance to participant ipate personally but I watched a lot of sessions online and was amazed of what Google had up its sleeve. new APIs, services, best programming practices but most importantly a lot of great talks about

official demo is the Eclipse Project, and you'll need to create a demo of Android Studio yourselfFirst, create an Android studio projectB. Place the Ch34xuartdriver.jar file in the directory: App-to-libs fileRight-click Jar Package　　III. Create a new XML folder under the Res file, and tell the Device_filter.xml in the official demo to copy it in.　　and add code t

When developing an Android app, it's usually connected to the device and computer via a USB cable, but for some applications that need to use a USB device, this approach is troublesome, and the USB port of the phone is connected to the external

Android starts the APP in the browser, android browser appTo start an APP in a browser, follow these steps:Add intent-filter information to the ACTIVITY to be redirected:Example:Add the following link in HTML: After entering the APP, you can use getIntent () to obtain the in

I have never used android USB Host programming before. When I came to the company, I had to study the task assigned by the team lead while doing a test project.He started to talk about how to connect android phones to PCs through USB programming. In this way, an android prog

Android learning route (3) run your Android app, route android If you have created your Android project according to the previous lesson, it contains the default "Hello World" source file, allowing your project to run immediately. How do you run your application? Two things:

As an Android technology home, USB OTG is what you must understand, so-called USB OTG is you can use the phone or tablet to charge, and the computer to transfer data from the Micro USB interface to connect other USB peripherals, such as gamepad, mouse, keyboard, The

This article translated from: http://developer.android.com/guide/topics/connectivity/usb/host.html When your Android device is in USB host mode, it powers the slave device as a USB host and lists connected USB devices. The USB Hos

This article translated from: http://developer.android.com/guide/topics/connectivity/usb/index.html Android supports a variety of USB peripherals and Android USB accessories in two modes (hardware that implements the android sub-P

How does Android jump into the App from the outside and Android jump into the App? Solving this problem has two functions: 1. directly access a page without opening the App 2. share an App to the outside, and access the closed loo

There is a new requirement in the project that a USB thermometer can be connected, the app can read the body temperature data from the thermometer, and a search has found a great USB communication library.GitHub Address: Usb-serial-for-androidPreparatory work Clone This library's source file from GitHub In

0 USB Background KnowledgeUSB is a data communication method, is also a data bus, and is one of the most complex bus.On the hardware, it is connected with a plug. One side is male (plug), one side is female (receptacle). For example, the socket on the PC is the female, and the USB device is connected to the PC using a male header.At present, the USB hardware inte

Android usb knowledge and androidusb knowledge Reprinted please indicate the source: http://blog.csdn.net/droyon/article/details/45098027 1. android background Usb service, which is created at system startup. In this file, the operation class closely related to the usb statu

How does Android jump into the App from the outside and Android jump into the App? Blog Source: http://blog.csdn.net/liuxian13183! All Rights Reserved! This problem has been solved for two days. Because there is no complete solution on the internet, I will share it with you! Solving this problem has two functi

Getxxxextra () and found that the class was thrown out of the undefined exception.To test the app code snippet:protected void onCreate (Bundle savedinstancestate) { = getintent (); Intent.getstringextra (/// here will still be due to noclassdeffounderror crash}We then tested a number of mainstream applications on the market, including bat. Found that this method can kill. We started to think that this was the problem with

yourselfFirst, create an Android studio projectB. Place the Ch34xuartdriver.jar file in the directory: App-to-libs fileRight-click Jar Package　　III. Create a new XML folder under the Res file, and tell the Device_filter.xml in the official demo to copy it in.　　and add code to the Androidmanifest.xml file:In an activity, the role is to indicate when the user inserts the device, will be prompted whether to o

Android learning notes-App Initial Startup interface implementation, android-app When many apps on android phones start, an image is displayed first. as the beginning of the app, the image is transient. This image usually uses the

The TestIntentData project is as follows: MainActivity is as follows: [Java]Package cn. testintentdata;Import java. util. List;Import android.net. Uri;Import android. OS. Bundle;Import android. view. View;Import android. view. View. OnClickListener;Import android. widget. Button;Import