Reprint Please specify source: http://blog.csdn.net/zhaokaiqiang1992Today, an open blog, found a friend sent me a private message, ask the following questions, so close this article, for its doubts.From this friend's question, we need to understand the following questions, in order to give him a good answer:(1) How can I get information about all the songs in my phone?(2) When the song file changes, such as adding and deleting operations, how to
() method, in this method, the setting interface pops up a message box, which has two buttons: "OK" "Cancel", the user clicks the different buttons corresponding to different actions.
Exception Handling android.os.networkonmainthreadexception--Multithreading problemsEverything settled, thought peace of mind, the result is still a problem!Log start error, get update information exception!!! Debug, Find
Android program version Update-notification bar update download and installation, android program version
After the Android app checks for version updates, download the updated version in the notification bar, update the download
Original article address: nuget Action Plan-upgrade to 1.1, setup automatic updates, get nuget package Explorer
I have found three small actions for you. Dear readers, they will make your life better. What do you do with me while watching?
First, you must installNuget, A. Net Package Manager, what? You already have it? Which version is 1.1? Is the setting automatically updated?Action 1: automatically checks for extended updates
In tools> options, sele
E: cocould not get lock/var/lib/APT/lists/lock-open (11: Resource temporarily unavailable)
This problem may occur because another program is running and the resource is locked and unavailable. The reason for the resource being locked may be that the last installation was not completed properly, resulting in this situation.
Solution: Enter the following command.
Sudo RM/var/Cache/APT/archives/lock
Sudo RM/var/lib/dpkg/lock
Then install the package yo
Label:Type: Reprint
The SQL UPDATE trigger can get information about the row being update, and the friend you need can refer to it.
Copy CodeThe code is as follows:Create Trigger TgnameOn TBFor updateAsIf Update (recommend)BeginUpdate TB Set commenddate= (GETDATE ()) from TB inner join inserted on Tb.vlistid=inser
Ubuntu apt-get update error with sudo:
E:problem Executing scripts apt::update::P ost-invoke-success ' if/usr/bin/test-w/var/cache/app-info-a-e/usr/bin/app STREAMCLI; Then appstreamcli refresh >/dev/null; Fi
E:sub-process returned an error code
Workaround:Remove LIBAPPSTREAM3 First
sudo apt-get
Error:
E:problem Executing scripts apt::update::P ost-invoke-success
' if/usr/bin/test-w/var/cache/app-info-a '-e/usr/ BIN/APPSTREAMCLI;
Then appstreamcli refresh >/dev/null;
Fi '
e:sub-process returned an error code
When you run sudo apt-get update, you are presented with the following resolution: Run the following command at the terminal:
sudo pkill-kil
Android Development (+)Copyright NOTICE: This article for the Dream-finddreams original article, please pay attention to: Http://blog.csdn.net/finddreamsFollow Finddreams Blog: http://blog.csdn.net/finddreams/article/details/44301359In the previous article we have learned some basic questions about the Android written test,[Android Development interview by--2. Co
Reprinted from: [Hyddd (http://www.cnblogs.com/hyddd/)]to summarize,
Get is a request to send data to the server
and post is a request to submit data to the server, in the form (form),
Method defaults to "get", in essence, get and post just send mechanism is different, not one to take a hair!
Talking about the difference between
Ubuntu Solution: When executing sudo apt-get update or sudo apt-get install command is appearing "Apt-get 404 Not Found Package Repository" issue and "E : Some index files failed to download They have been ignored, or old ones used "issue
When you execute the sudo apt-get
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 File H
The development environment is the first to develop Android applications using different platforms.Here's a way to update and download the Android SDK in the process of building a development environment:The first step: Configure the agent service for the Android SDK manager, such as:Inside the proxy server address is
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 server is larger than the current version, a
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
[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
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
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,versioncode greater than the current version, and
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
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 OTA update
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