arduino trackball

allowing an application to solve only one problem for the user has to be said to be a joke of IOS. 6. No focus Some Android mobile phones have trackball and other input devices. you can scroll the trackball to focus on a certain control on the interface. This can help users with some touch barrier. More importantly, with the release of Android @ Home, the android system may appear on refrigerators, washin

In the previous section, the Monkey tool was described using the environment of the building, portal. In this section I will describe in detail the use of the Monkey tool. First, Monkey test introduction Monkey testing is a means of Android platform automation, through the monkey program to simulate the user touch screen, sliding trackball, keystrokes and other operations to test the program on the device, testing the duration of the program is abnorm

One, Monkey command format[adb shell] monkey [optiongs] ADB Shell Monkey-help>>d:help.txtUsage:monkey [-P allowed_package [-P allowed_package] ...][-C Main_category [-C main_category] ...][--ignore-crashes] [--ignore-timeouts][--ignore-security-exceptions][--monitor-native-crashes] [--ignore-native-crashes][--kill-process-after-error] [--hprof][--pct-touch PERCENT] [--pct-motion PERCENT][--pct-trackball PERCENT] [--pct-syskeys PERCENT][--pct-nav PERCE

Listeners The event listener is an interface of the View class and contains a separate callback method. These methods are called by the android framework when the listener registered in the view is triggered by user interface operations. The following callback methods are included in the event listener interface:Onclick () Included in view. onclicklistener. It is called when the user touches this item (in touch mode), or focuses on this item through a browser key or a

subclasses. onSizeChanged(int, int, int, int) Called when the size of this view has changed.Called when the dimension of the view changes. Drawing onDraw(android.graphics.Canvas) Called when the view should render (rendering) its content.Called when the view needs to render his content Event processing onKeyDown(int, KeyEvent) Called when a new hardware key event occurs.Called when a new hardware press event occurs

direction is lost. Menu key: used for calling and storage. The purpose is to retain more space for content display. Search key: marketing the google search business Shut down and lock the screen like other mobile phones. Trackball touchpad Volume key (-+) and photo key Global return buttons It can be cross-application. For example, If you enable application a and go back to application B through the notification system, you can go back with the r

Ext.: http://blog.csdn.net/huangbiao86/article/details/8490743Shell, Monkey, System, Android, File system Monkey, example, introductionFirst, Monkey test introductionMonkey testing is an automated test of the Android platform, through the monkey program to simulate the user touch screen, sliding trackball, keys and other operations to the device's program on the pressureForce test, the duration of the procedure will be abnormal.Ii. Introduction of Mon

. This method can also stimulate any button message listener. Parameters Events to be distributed Return Value If this event is processed, true is returned; otherwise, false is returned. Public voidHide() Remove the controller from the screen. Public booleanIsShowing() (Translator's note: determines whether the media controller is visible .) Public voidOnFinishInflate() Called when the XML file loads the view. This function is called at the final stage of loading, and all child views have bee

information than startup prompts, test completion, and end results. Level 1 provides more detailed testing information, such as events sent individually to the ActivITy. Level 2 provides more detailed setup information, such as the Activity that was selected or unchecked in the test. The following example uses "-v-v-V", which represents the output of the most verbose monkey log. - - 800000 >c:\long_radio_report.txtMonkeyIntroduction to TestingMonkey testing is a means of automated testing of t

/DownloadQTCN Development Network: http://www.qtcn.org/bbs/i.phpFedora Download Address: http://mirror.math.princeton.edu/pub/fedora-archive/fedora/linux/releases/15/Live/x86_64/Python Download: https://www.python.org/ftp/python/ IET (the institution of Engineering and Technology): http://www.theiet.org/ "Very good resources, including some GFDL books"Free Programming Book:Https://github.com/vhf/free-programming-books/blob/master/free-programming-books-zh.md"Open Source World Travel Handbook": h

board. The optional boards include a compatible Arduino interface board (including an SD card) and an Intel interface board. Installation and configuration are intuitive. I used the guide to open the Yocto project on the Intel Edison Board to install and configure the board. First we need to connect the Edison through the serial port, and configure the sshd and Wi-Fi, we can use SSH to connect to the Edison after the completion. Because Linux's com

There is a adb shell very practical command called input , through which you can do some interesting things.inputThe complete help information for the command is as follows:Usage:input [;]> [...] The Sources Are:mouse keyboard joystick touchnavigation Touchpad Trackball Stylus dpad gesture touchscreen gamepadthe com Mands and default sources Are:text> (default:touchscreen) keyevent [--longpress] > ... (Default:keyboard) Tap > > (default:touchscreen) s

. To get different simulated values, you can change or adjust the pulse width. If you repeat this switching mode fast enough, the result is a stable voltage between 0 and 5 V to control the brightness of the LED. In the graphic below, the green lines represent a regular time period. this duration or period is the inverse of the PWM frequency. in other words, with Arduino's PWM frequency at about 500Hz, the green lines wowould Measure 2 milliseconds each. A call to analogwrite () is on a scale o

Widgeduino-unveiled on Kickstarter recently-is a smart and easy-to-configure window-based on Microsoft Windows platform and Microcontroller System Communication applications based on Atmel-based Arduino board. Essentially, widgeduino communicates with the Microcontroller System through the serial port protocol or TCP/IP. "This includes, among others, keyboard, LED light, pressure gauge, knob, Slider, thermometer, container and button. the intuitive m

LinkIt 7697 is a versatile and affordable development Board that can be used to connect to your network or to your devices, while providing both Wi-Fi and Bluetooth online capabilities. The Development Board uses the MediaTek MT7697 chip, which is a little bit less than the ESP32 microcontroller used in other similar wi-fi/bluetooth development boards, but still far superior to Arduino Uno. After adding the board data and installing the USB driver in

Today to share the information of smart cars, including the production process, schematic design and source code, and so on, not less than the production of a smart car experience. One of the previous intelligent car development data has a file. the types of smart cars that are shared include: Bluetooth Control Two-wheeled car, intelligent car matching procedures, tracking, infrared obstacle avoidance comprehensive program data Daquan; Intelligent vehicle System solution;STM32 two wheel self-ba

First, about open source hardwareThe concept of open source hardware is simple to understand that the electronic hardware design detailed parameters are public, such as circuit diagrams, BOM and PCB layout and so on.Main types: Arduino, Cubieboard, Raspberrypi, Pcduino, Beaglebone, Kiwiboard, and MixteilOpen source China Community-Open source hardware zone Http://www.oschina.net/hardwareSecond, choose Raspberry Pi RaspberrypiThe most popular open sour

Project descriptionThe Artrobot weather robot is comprised of Arduino Ethernet shield and weather measurement equipment.You will be notified automatically by the weather data that has been measured by Twitter.The Arduino Ethernet Shield allows Arduino to connect to the Internet. It is based on the wiznet W5100 (data sheet) chip.It uses weather balloons to get mea

Over the years, Nodejs gradually developed into a mature development platform, attracting many developers. There are many large, high-traffic sites that are developed using Nodejs, like PayPal, which developers can also use to develop some fast-moving web frameworks.In addition to Web applications, Nodejs is also used in many ways, and this article takes a count of the ten amazing projects that Nodejs has developed in other areas, such as application monitoring, media streaming, remote control,

electronic design, some maker prefers a microcontroller platform, such as the fiery Arduino. But for some of the more complex projects, the 8-bit microcontroller is a bit stretched. For example, a 8-bit microcontroller can barely handle audio with low sample rates, but there's really nothing to do with video processing. However, with the booming of embedded systems, it is easier for both primary and intermediate users to reach them than ever before.B