child thread, the exception is caused.IPC (interprocess communication) mechanism of 4.AndroidIPC is the abbreviation for internal process communication and is a resource for sharing named pipes. The IPC mechanism in Android is designed to allowActivity and service can interact at any time, so in Android, this mechanism is only applicable to activity and service communication, similar to the remote method c
isvisibletouser) {super.setuservisiblehint ( Isvisibletouser); if (this.isvisible ()) {//we Check the fragment is becoming visible if (isvisibletouser !hasloadedonce) {//do Something}}}
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12 What is AAR? What is the difference between AAR and jar? The "AAR" package is a binary release packag
Android application check version update, download in the notification bar, update download progress, download complete automatic installation, the effect is as follows:
• Check the current version number
The Versioncode in the Androidmanifest file identifies the version, the Apk,versioncode of a new version of the
This series will be tinker from the following three aspects of source code analysis:
Android Hot update open source project Tinker source Parsing series one: Dex Hot update
Android Hot update open source project Tinker source Parsing Series II: Resource
Android SDK Manager cannot update the SDK or the update speed is slow.
Google is completely inaccessible due to the fire Great Wall. Therefore, the Android SDK Manager cannot update the SDK or the update speed is slow,
Solution:
into the new apk version.
3. disadvantages of incremental upgrade in the past1. functions must be implemented on both the server and client, and the duration is long.2. Users cannot upgrade to the latest version in a timely manner. Therefore, it is difficult to maintain a different package between each released version and the latest version.3. when the client downloads the differential package generated by the server for merging, the merging may fail. This may be because the differential packa
Android app check version update, download in the notification bar, update download progress, download complete automatic installation, as follows:
Check the current version number
The Versioncode in the Androidmanifest file is used to identify the version, where the server puts a new version of Apk,versi
Win7 install Android SDK old out fetching Https://dl-ssl.google.com/android/repository/addon.This is the Android SDK cannot connect to the Google Update network.Here's how to fix it:Open the C:\Windows\System32\drivers\etc directory, locate the Hosts file, open it in Notepad
[Learn Android while working on a project] mobile security guard 03: gets the updated server configuration, displays the update dialog box, and learns androidConfigure the name and icon of the application displayed on the mobile desktop-AndroidManifest. xml:
After configuration
① ②Obtain the updated server configuration process:
Server Configuration:
Use tomcat as the server, create an
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
program is: the user in the first installation of the game can be installed with the full APK package, after which if there is logic code needs to be updated, only need to help users download a minimum of 7MB apk to the game overlay installation. (although this 7MB or so is relatively large)I would like to emphasize that this approach is 100% feasible, only suitable for Android, has been verified, and is in use, no better plan will always be used, th
This article introduces the principle of implementation, in order to use conveniently, a simple encapsulation of a class updater. The usage is very simple. Well, in order to support multiple languages, it's still a little cumbersome.
Usage:
Character definitions used in Strings.xmlOther languages to add themselves, the following instance programs in both English and Chinese have
The code is as follows
Copy Code
Permissions to be used to add updates in Andr
Import Java. io. file;
An android tool class used in the past, Version Detection and automatic update. Poor versatility, right to take notes.
Package COM. hiyo. game. PDK. tool;
// Obtain the package name and version:
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 configuration file (2) and android configuration file
We know that each module of the Android system provides very powerful functions (such as phones, power supplies, and settings). By using these functions, applications can be more powerful and flexible. However, us
methods for interprocess communication in 11.Android? Intent,binder (aidl), Messenger,broadcastreceiver12. Introduce the basic process of implementing a custom view1. Custom View Properties Write Attr.xml file2. Reference in layout file and reference namespace3, in the construction method of the view to get our custom properties, in the custom control to read (construction method to get the Attr.xml
very simple
Overall Solution
Define service classes, such as Versionupdateservice.java. Mainly provide version check and file download operationDefine the Versionupdatehelper class to use the service and provide interaction with the foreground activityIf you have a problem with the use of service (need to update the front UI frequently, etc.), we suggest that you read the
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
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