printing from android device

Interpreting the implementation of the android Log Mechanism: (3) Writing Device Files in JNI and C/C ++ Domains Tian haili @ csdn Android provides a user-level lightweight Log Mechanism. Its implementation runs through Java, JNI, local C/C ++ implementation, Linux kernel driver, and Other Android layers, it is simpl

Guo XiaoxingWeibo: Guo Xiaoxing's Sina WeiboEmail:[email protected]Blog: http://blog.csdn.net/allenwellsGithub:https://github.com/allenwell Because of the richness and diversity of Android platforms, Android devices around the world are available in a wide variety of sizes and sizes, and device adaptation is an important task in order to promote our appl

/dev/input/path to the hardware input device node named Event[number]. These nodes are related to the specific hardware, so it is possible that the specific node name of each device is different, such as in my mx3/dev/input/event0 for Mxhub-key and/dev/input/event1 for Gp2ap. Specific node information can be viewed through the GetEvent tool provided by Android, i

AVD's full name is: Android Virtual Device, the Android operating device, is the Android simulator. To build Android to run, you have to create AVD, and you can configure a lot of running items on each AVD. There are two ways to c

This is seen on a foreign site, the analysis is good, the original text is as follows:Why does the iPhone require less RAM than Android devices?There is people fight when it comes to comparing the Android devices vs IPhone. Iphones is the expensive than Android devices even with the same specifications. However, the IPhone works a lot smoother and faster than an

As Android devices grow, many sites are starting to device Android devices, while Android's mainstream devices are mobile phones and tablets. Web site in the adaptation through the user agent (user agents, hereinafter referred to as UA) and how to distinguish it, this part of the content translated from Google's official blog Mo ' better to also detect "mobile" u

ADB supports two ways to connect to the Android system, USB mode and network mode. Normal phone and tablet are set to USB by default.The Android system has a service (ADBD) running on the bottom, which is used to connect and manage everyone's computer-side ADB commands.This service will listen to one of the USB connections or networks depending on the configuration of the phone at startup.The properties of

Transferred from: http://mytiankong.com/?p=11755If you are interested in your Android device's interaction with the command line, you may want to learn some of the techniques used to uninstall an app installed on your device using ADB. In order for this method to work, you will need to set up Android ADB in your computer. You can go to see how the "adb" (

USB Master/Slave DeviceAndroid supports a variety of USB peripherals. Android USB peripherals (hardware that implements the Android peripheral Protocol) are supported in two modes: USB Peripheral mode and USB Host Mode. In USB Peripheral mode, the external USB hardware (an external device with Android devices to connec

During Android development and transplantation, you sometimes need to read and write a device, but the system may not provide the corresponding services. We need to develop our own hardware access service to control devices. The following example is the process of reading and writing the most simple I2C device EEPROM, I2C driver writing there are two ways, one is

Device management Android 2.2 and later versions provide a set of device Management APIs to manage Android mobile phone devices, including device lock and camera disabling (4.0 and later), erase user data (also can erase the data in sdcard, but to 2.3) and a series of