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ObjectivePackage management mechanism is an important mechanism in Android, which is one of the knowledge points that need to be mastered in application development and system development.Package refers to the APK, jar and so files, and so on, they are loaded into Android memory, from a package into executable code, which requires a mechanism for package loading, parsing, management and other operations, wh
Packageinstaller principles
Application installation is the main feature of a smart machine. Users can install various applications (such as games) on their mobile phones and perform management operations such as uninstallation. APK is the abbreviation of Android package, that is, the android installation package. APK is a file format similar to Symbian sis
Some time ago I made a small application for batch installation and uninstallation of applications. Because some APIs for installing and uninstalling applications are hidden, the Android system source code must be downloaded under ubuntu, after compilation, use the MM command to compile and generate the APK file, which is also difficult.
The idea is that there is a PackageInstaller application under the XX
Figure Description: Moving, backup after the launch of Android virtual machine appears
Solution to the problem of panic:could not open D:\java2\android\android-sdk-windows\.android\avd\test.ini
A few days ago, I am sorting some files, the previously installed on the Android
Reference to:http://www.infoq.com/cn/articles/android-accessibility-installing?utm_campaign=infoq_content Utm_source=infoqutm_medium=feedutm_term=globalFor domestic Android devices, automatic batch installation/update of applications has always been a pain point, before the third-party store typically requires device root and then calls the system's Packagemanagerservice command line for background installa
Some time ago I made a small application for batch installation and uninstallation of applications. Because some APIs for installing and uninstalling applications are hidden, the android system source code must be downloaded under Ubuntu, after compilation, use the MM command to compile and generate the APK file, which is also difficult. The idea is that there is a packageinstaller application under the XX/
Android source code structure analysis
Frameworks directory (core framework-java and C ++ language).| -- Base (basic content)| -- Api (? Are all xml files that define java APIs ?)| -- Awt (AWT Library)| -- Build (empty)| -- Camera (camera service Library)| -- Cmds (important commands: am, app_proce, etc)| -- Core (core database)| -- Data (data files such as fonts and sounds)| -- Docs (document)| -- Graphics (Graphic-related)| -- Include (header file)|
(1) I searched for a solution to this problem on the Internet and consulted the android development documentation. I did not find any display API call that can implement this function. Many people on the internet asked the same question, but none of them can provide a solution. Android has blocked this method for user security, and the third method cannot implement Silent Installation.(2) then I tried to se
This is my collection of the classic books on Android development, high-definition PDF electronic version, can be downloaded in my Baidu network free of charge, I hope that the need for friends to help. Directory:Android 4 Advanced Programming (full source code included)"Crazy Android Handout""Android App Development (Guo Hongzhi)""
of the android database system.OpenSSL is a Secure Socket Layer, a network protocol layer, used to provide security support for data communication.The frameworks directory is displayed in the following directory:Frameworks/| -- Base| -- OPT'-- Policies
Frameworks is the framework of Android applications.Hardware is a hardware-related library.Kernel is the source code of linux2.6
The packages directory i
(1) Part 1: Add a new application
1. Add the project source code to
2. Create the Android. mk file in the root directory of the helloworld project. The content is as follows:
Local_path: = $ (call my-DIR)Include $ (clear_vars)# Indicates the target modeLocal_module_tags: = user# Indicates the source file compilation pathLocal_src_files: = $ (call all-Java-files-under, Src )/# Indicates the project package nameLocal_package_name: = helloworld# Includ
app_id cannot be found)
Uri uri = URI. parse ("Market: // details? Id = app_id ");
Intent it = new intent (intent. action_view, Uri );
Startactivity (it );
// Where app_id is the Application ID, find the ID
// By clicking on your application on market Home
// Page, and notice the ID from the address bar
/**
* Get the package to install intent
* @ Param tempfile
* @ Return
*/
Public static intent getpackageinstallintent (File tempfile)
{
Uri mpackageuri = URI. fromfile (tempfile );
Intent
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