Original article: http://blog.csdn.net/zjujoe/article/details/6206010
Android OTA update: Compile the update package
Author: Song Lixin
Email: zjujoe@yahoo.comPreface
OTA update is a standard software upgrade method provided by the Android system. It is powerful and provide
Android OTA update package preparation and androidota update package
0. Signature
Java-Xmx2048m-jar out/host/linux-x86/framework/signapk. jar-w build/target/product/security/testkey. x509.pem build/target/product/security/testkey. pk8
This key is automatically generated in debug mode.
You can also create your own private key through openssl
The generated key is
1. Ota features
OTA update is a standard software upgrade method provided by the Android system. It is powerful and provides full upgrade and incremental upgrade modes, which can be upgraded through SD card or USB flash disk or through network. Here, we will first study the simplest situation and complete the upgrade through the SD card.2. Compile the full
Tian haili @ csdn
After obtaining the OTA update package through the network or local device, you can start the android upgrade through the program. This document describes this process.
After obtaining the OTA update package, you can enable the OTA
We need to deal with the update related issues used by some applications. We learned that android build system will use open-source bsdiff to update packages. this article analyzes OTA update in the android system.
First, let's take a look at the overall OTA framework.Build
Update APN list after the OTA upgrade needs to restore the factory settings APN Update is valid, the customer needs to do the upgrade after the boot is effective.Because the OTA upgrade is updated with three zones, boot, recovery, System,The APN is part of the data domain, and OTA
Android 5.x OTA Update official documentation (V. Partition ing in the Recovery System), androidota
Preface: if the translation can be translated, the translation will not be translated, and the translation will not be translated. In order to choose not to mislead others, the translation will also be missed. English is hard. If there is a mistake, ask a passing friend to correct it, so as not to mislead mor
Original article: http://blog.csdn.net/zjujoe/article/details/6251747
Android OTA Update 5: Updater
Author: Song Lixin
Email: zjujoe@yahoo.comPreface
It can be said that all the sections of the OTA update code analyzed above are on the stage, and the main character is now on the stage, it is Updater. google's code arch
Let's forget apt-get today. Ubuntu wants to make the server system have a better update experience than OTA. Canonical disclosed information about the new Ubuntu version. According to the description, the version named UnbuntuCore is dedicated to servers and optimized for Docker usage. It is expected to bring ldquo to the server operating system; one-click Update
Android OTA update package creation script (2. Decompress), androidota
Step 1: extract (ota_from_target_files)
print "unzipping target target-files..." OPTIONS.input_tmp, input_zip = common.UnzipTemp(args[0])The above code is the portal to start decompression.
Def UnzipTemp (filename, pattern = None): "Unzip the given archive into a temporary directory and return the name. if filename is of the form "f
Thank you for your delivery.According to the latest news, Google has started to provide android2.2 updates to Nexus One through OTA (over the air download. Because the update prompt is sent gradually, if you have Nexus One, pay attention to the update message in the status prompt bar. Maybe the next update is your mach
We create an instance of the device by calling the Make_device () function in recovery_ui.cpp , as follows:Class Tardisdevice:public Device { //... all the above methods ...};D evice* Make_device () { return new TARDISDE Vice ();}CompileRecovery_ui.cppwe will introduce how to create a static library for Recovery_ui.cpp by the introduction of the previous article on recovery_ui.cpp . Device/yoyodyne/tardis/recovery/android.mkLocal_path: = $ (call My-dir) include $ (clear_vars) Local_module_
1, Commnad file:--update_package=/sdcard/dload/update.zipActual need to change to the location of the package you downloaded2, Command writes to/cache/recovery/below3, execution parameter string recovery of reboot((PowerManager) Getsystemservice ("Power")). Reboot ("Recovery");4, Androidmanist.xml note the ability to join powerNo permissions reboot not allowed to execute5, the target file needs to be signed with the platform level.How to do OTA
Android OTA update package creation script (1. Parameter Parsing)
Preface:
"Build/tools/releasetools/ota_from_target_files-u lk. bin-n target.zip update.zip" is the command for creating the entire package. Obviously, lk upgrade is supported here. This series of blog posts mainly analyzes the execution process and principle of this command in a system, involving multiple modules in the/build/tools/releasetoo
Android 5.x OTA Update official documentation (VII. Building devices), androidota
Call the make_device () function in recovery_ui.cpp to create a Device instance, as shown below:
class TardisDevice : public Device { // ... all the above methods ...};Device* make_device() { return new TardisDevice();}
Compile recovery_ui.cpp
Next, we will introduce how to create a static database for recovery_ui.cpp
"Don't forget to patch it !"
This sentence has become the mantra of IT administrators and has been deeply rooted in them. Given that software vulnerabilities are quickly discovered and are very likely to be exploited, administrators need to install them as soon as software patches are released.
Windows Server Update Services (WSUS) is a good way to push Microsoft-authorized patches. However, there are some problems when dealing with third-party softwa
In order to solve these problems, it is a good way to restart the notification center in the MAC OS X 10.8 System when the notification center sometimes has problems such as inaccessible, stop updating, and so on. Below and small weave together to see the concrete operation method.
Workaround:
1. Search for activity Monitor through the upper right spotlight and open
2. Search for "Notification
Ubuntu update failed, so that the ubuntu software center cannot open the solution. update failed information: E: Malformed line 59 in source list/etc/apt/sources. list (dist parse) Issue-Update manager not functioning, does not read the complete packages, gets error-www.2cto.com cocould not initialize the package infor
Article Title: Cooliris update supports Linux to change the browser to a media center. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Browser Extensions for browsing images and videos Cooliris bring about a series of updates, including support for browsing local media f
The IOS Dev center needs to update the Protocol at intervals. It is found that agreement cannot be opened in China, which is blank.
I used to find a friend to access the server in the United States. It was updated once normally. But it cannot be so troublesome every time. I found this on the internet, and many of my friends in China encountered this problem. Turning over the wall + Safari is not easy to us
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