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 provides full upgrade and incremental upgrade modes.
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 automatically used to sign the
This article was reproduced from: http://www.thinksaas.cn/topics/0/445/445670.html0. SignatureJava-xmx2048m-jar out/host/linux-x86/framework/signapk.jar-w BUILD/TARGET/PRODUCT/SECURITY/TESTKEY.X509.PEM Build /target/product/security/testkey.pk8This key is the auto-generated key in debug mode.You can also create your own private key via OpenSSL.The OTA package will automatically sign with the generated key, and the location of the
0. SignatureJava-xmx2048m-jar out/host/linux-x86/framework/signapk.jar-w BUILD/TARGET/PRODUCT/SECURITY/TESTKEY.X509.PEM Build /target/product/security/testkey.pk8This key is the auto-generated key in debug mode.You can also create your own private key via OpenSSL.The OTA package will automatically sign with the generated key, and the location of the OTA upgrade package is as follows│[
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
Android updates the APN list. After OTA is upgraded, it takes effect immediately after it is started.The update of the APN list is valid only after the factory settings are restored after the OTA update. The update takes effect immediately after the upgrade.The OTA update includes three regions: boot, recovery, system,
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 System Support, used to create the required
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 update directly through Andro
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 architecture is well designed, and each part shou
subsequent decompression, since the Mzopenziparchive function did not decompress the update package, * Zip is a Ziparchive object returned by the Mzopenziparchive method. Mzopenziparchive is to open the upgrade package and copy the relevant information into a temporary ziparchinve variable. Assumed_update_binary_name= "meta-inf/com/google/android/update-binary" Const zipentry* binary_entry = MzFi Ndzipentry (Zip, assumed_update_binary_name);
Google has provided a system update for one of the three Nexus devices you are using, and we are pleased that Nexus 4 and 10 of the Android 4.2 OTA update are also underway. The upgrade includes two major updates to the "Jelly Bean +" compilation (Jelly bean+ build)----------lock widgets and multiuser support. So it would be an update to the device--or at least a quick update after they were released.
Th
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 machine.
For readers who do not understand the characteristics of android2.2, this version has the following major improvements: (the fo
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
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
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
One: Create New Project1, 2, 3, 4,After creating the results, we found that you have created some demo pages and the data is already bound.Two: Resolve error 1, after the creation of the success, build found an error, as follows:This error is due to a workaround for the version issue, which modifies the version number to the following:And then you get an error:As a programmer, this small mistake to believe that it is difficult for you to solve yourself, it is headeritem use of the constructor is
Reprint Annotated Source: http://blog.csdn.net/sk719887916/article/details/46582987From Android TV (eight) mobile intelligent terminal Multimedia Online loading web video source > I summed up how to parse a Web page, get the data inside the display, how to play video, today will give you a simple introduction of the common video open source framework Vitamio, Project SDK address:https://www.vitamio.org/en
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