linux for tablets android

V4 to modify:First time:git clone https://github.com/weidongshan/APP_0004_Binder_CPP_App.gitUpdate:Git pull originRemove the specified version:git checkout v4//Compatible App_0005_binder_java_appReference code:Frameworks\base\core\jni\android_view_inputchannel.cpp (using binder to transfer file handles)Server-side Write Fd:android_view_inputchannel_nativewritetoparcelParcel->writedupfiledescriptorClient-side Read Fd:android_view_inputchannel_nativereadfromparcelint rawfd = Parcel->readfiledescr

This has been done before, also wrote an article. It was just three years ago. Recently toss again, found three years of change is quite big, decided to write another article. (or Archlinuxarm)First use Cpu-z to view the hardware architecture of the (rooted) Android device, and then download a tarball of the base system for the corresponding architecture on the official website. Then get a EXT3/EXT4 file system on the device and unzip it inside.If you

If your Linux machine is 32-bit, you will get an error when running the Android emulator as follows:Error:32-bit Linux Android Emulator binaries is DEPRECATED, to use themYou'll have the least one of the following:-Use the '-force-32bit ' option when invoking ' Emulator '.-Set android_emulator_force_32bit to ' true ' i

Android Studio to be self-Baidu, and the SDK JDK must be configured.2. Download NDK: Select the appropriate NDK download on the official website, and after downloading, execute the commandchmod a+x android-ndk-xxx.bin. /android-ndk-r10c-xxx.binNDK will automatically unzip to the new directory3. Configure the NDK environment variables1 Export android_ndk=/home/li

The underlying task management and driver of Android are based on the Linux system; The file system used in Linux is very different from that used in Windows (storage file system). It uses the root file system (rootfs) and has the following features: All resources in Linux are files, such as disks, USB flash dri

Greg Kroah-Harman, the Linux kernel maintainer, once announced that the Android core code of the Google smartphone operating system will be deleted starting from Linux 2.6.33. Many people are very concerned about this. After all, Google Android has been well evaluated. As a member of

1. Power Management Status The android Linux Kernel provides four power states for the system. the source code of the kernel defines the names and corresponding macros For the three of them. The names are defined in kernel/power/suspend. C: const char *const pm_states[PM_SUSPEND_MAX] = {#ifdef CONFIG_EARLYSUSPEND[PM_SUSPEND_ON]= "on",#endif[PM_SUSPEND_STANDBY]= "standby",[PM_SUSPEND_MEM]= "mem",}; The c

Previously, the company's development environment was replaced by the Ubuntu Kylin with Arch Linux. and arch under the various problems of the company's code has been compiled just to go. After the fix has also been forgotten to write down, hoping to give the same under the Arch of Android Development of an alternative to help it. The Android version number compi

Install Android Studio and ubuntuandroid on Ubuntu (Linux) Install JDK For more information, see my previous blog post: Install JDK on Ubuntu (Linux. If you have completed this part, you can directly jump to the next section. Download Android Studio 1. First download the installation package from the

The Inputreader of the former Linux/android--input System (vii) introduces the operation flow of Inputreader, how to get the events to the preliminary distribution, then analyze to Inputmapper to do the first step of processing.The previous article has resolved the mapper type of dependency rules, do not restate. Here is an example of a touch screen input_device corresponding singletouchinputmapper.Writing

Linux ubuntu64-bit android is not used (adb cannot be used): When the adb command fails to run, it cannot run in the directory of the file, the prompt "www.2cto.com does not have this file or directory", but it was OK before, and it has been unclear. Later, I asked my colleagues in the company to finally solve the problem, it turns out that ia32-libs does not install ia32-libs is

Let the libc of Android coexist with the standard libc, and let the CProgramRun together. In the past, some people always said that the C program can only be statically linked to andriod. Actually, it is not. andriod C It can be compiled into dynamic links using the tool chain provided by andriod. If you use other arm GCC, you can only Compiled to static. But, .... Today, I saw Dynamic Links, instead of using the andriod tool chain, but using th

action sending. For more information about device registration, reporting, and parameter definitions on the touch screen, see related blog posts. Recommended http://blog.csdn.net/andyhuabing/article/details/7085725 here Specifically, we need to pay attention to three main points: one is the bus of the device, the connection method of the device, and the deshake processing of the device. Connection Method The connection method here mainly introduces the gpio method. This method is relatively sim

Android system development (6)-underlying Linux Input and Output1. The operating system architecture computer is composed of a pile of hardware. The operating system is used to effectively control these hardware resources. In addition to effectively controlling the allocation of these hardware resources and providing the functions required for computer operation, the operating system provides an environment

Developing android programs is certainly the best if you can use a real machine.In linux, android phones do not use drivers to connect to linux. Unfortunately, they cannot be identified in eclipse. However, you only need the following sentence to solve the problem.1. First, we need to use the following command to monit