google play services for android 4 4 2

the server can hardly operate during this period. In this case, I will choose to set up, restore, and then synchronize immediately. Create a certificate: If the Server uses Local System as the SQL Server service account, certificate authorization is required. Certificate authorization can also be used when your server cannot access the other server's server through the account of another server or you do not want to authorize Windows logon. Follow these steps to build an image using a certifi

Description 1:We created a project in the previous method. If the latest ADT is used, the Minimum Android SDK selects android2. * or 1. *. A compatible project is created by default ,--Appcompat_v7: the project cannot be deleted, and an error is returned when you delete the project .. NOTE 2:After the project is created, it is found that the layout folder contains two default files: adtivity and fragment:

Android Network Programming Using PHP to operate MySql to insert data (4), androidmysql Because I recently updated my project, I want to summarize some simple methods of interacting with the network that I used in the project, so there will be more blog posts on network programming for Android recently. I will try my best to share it with you in the simplest way

So far, everyone must be familiar with using Toast to display information to users. Although Toast is easy to use, the notifications displayed by Toast are not permanently stored. It only shows a short period of time on the screen, and then disappears. If it contains important information, if the user does not observe the screen, the user will easily miss it. A more persistent storage method should be used for important information. In this case, icationicationmnanger (Message manager) should be

Build an Android development environment tour (Android4.0.3)1. First to download the relevant software1). JDK 6 or higher2). Eclipse (Version 3.6.2 or higher) click to download3). SDK (Android-sdk_r18-windows) is now the latest click to download4). ADT (Android Development Tools Installation Development tool ) plugin click to download5). You also have to download

resources in the application can be directly used, specific, you can go to the corresponding folder in ANDROID-SDK to see. For example: can enter the $android-sdk$\platforms\android-8\data\res, inside of system resources is sweeping.Developers need to spend some time familiarizing themselves with these resources, especially the picture resources and various styl

Official Android Technical Documentation translation-Gradle Plug-In User Guide (4) Dependency, Android Library, and multi-project settings Gradle projects can be dependent on other components. These components can be external Binary packages or other Gradle projects. To configure the dependency of an external library jar package, you must CompileAdd a dependenc

the service module names. , when DBA maintains related database objects, related technologies (or non-technical techniques) during Program development by new developers) the relationship between business logic and data can be easily understood. 2. for a type of table serving the same submodule, try to use the submodule name (or part of words) as the prefix or suffix; adding a prefix or suffix to a table of the same type of function allows users

. Fill (DT );// 2. Close the database connectionCN. Close ();Return DT;} 3. Summary1) both Java jdbc and. net ADO. NET implement database access interfaces.2) the corresponding drivers must be used to access other databases. These drivers all implement database access interfaces defined in java or net.3) by defining the interface specifications, different database vendors can provide their own database acce

4. Tianji was finally leaked "How are you doing ?" After three rounds of wine, Lu Bu asked with confidence. Liu Bei replied with great humility: "We dare not compare with Lu Zong. We are now a small supervisor of a small company ." LV Bu said, "If you are a friend, I am not talking about you. You are really sincere. You see, I have an annual salary of more than 2 million yuan. Let's look at you again. Every

1. if possible, use the thread in the thread pool as much as possible. Because a thread is created by itself, maintenance and destruction will greatly consume CPU and memory resources. If you need to work regularly, use system. threading. timer 2. Use the read/write lock readerwriterlockslim (do not use readerwriterlock) when multiple read operations are performed, because the read operations are not mutually exclusive. 3. try not to use recursive l

1. Pull Overview In the Android system, the XML-related package is org. xmlpull. V1. This package not only providesXmlserializerAnd provides a pull Parser for parsing XML.Xmlpullparser Xmlserializer does not extract XML events like xmlpullparser, but instead pushes them to the data stream outputstream or writer. Xmlserializer provides intuitive APIs, including startdocument, enddocument, starttag, endtag, and text. Create XML in PULL mode, apply the

Disclaimer: The book "Secrets of Android Application Development", which records the logs of the book, references the relevant code and summary, and has no commercial use, it is completely a record of self-learning, and many problems will inevitably occur in learning just now. If there are any mistakes, please criticize them a lot. 1. Multiple options (checkbox) Multiple-choice is similar to single-choice. You need to monitor each control. Ii. drop-d

When you upgrade the. NET Framework from version 4.5.0 to 4.5.2 with VS2015, the following error follows: Description: An error occurred during the compilation of resources required to provide services to the request. Please check the following specific error details and modify the source code appropriately.Compiler error message: CS1617: Option "6" is not valid for/langversion; must be ISO-1, ISO-2, 3,

Original address: ArcGIS Runtime for Android Development tutorial V2.0 (4) Basic---mapview-arcgis_mobile column-blog channel-csdn.nethttp://blog.csdn.net/arcgis_mobile/article/details/8147328 Mapview is the core component of the ArcGIS Runtime SDK forandroid, where data from the map service can be rendered, and rich properties, methods, and events are defined in Mapview, and users can manipulate the device'

Android graphics library Skia (4)-generate PDF, androidskia Android graphics library Skia (4)-generate PDF This article mainly records the process of using the skia library to generate PDF files. In fact, skia is not only available in Android systems, but can also be used i

Android scroroller (4)-implement the layout of rebound after pulling, androidscroroller MainActivity is as follows: Package cc. testscroller2; import android. OS. bundle; import android. app. activity;/*** Demo Description: * The layout that can be pulled and then rebounded. * similar to the pull-down refresh. ** refe

be rotated, the map background, the Maximum/minimum resolution of the map, and the resolution/scale specified for the current display. Finally, let's take a look at the rich gesture listening interfaces provided by mapview. Through these listeners, we can monitor various gesture actions, such as clicking, double-clicking, moving, or long-pressing.2. mapview Addition Method We can add mapview to our application in two ways: XML and hard encoding. XML

map is not in the map category. 3. Several offset policies: 3.1 obtain the support of the map service provider and get the offset algorithm Currently, Baidu and google's major customers who pay the map usage fee on a yearly basis can directly obtain the offset algorithm. Baidu needs million yuan a year for google. (If you have a rich business project, this stuff is good) 3.2 enter the latitude and longitude through the offset interface of the Inter

54 in Java3.2.3 surface view 553.2.4 GL thread 583.2.5 cube Renderer 613.2.6 cube type. 643.3 native OpenGL 663.3.1 main activity 683.3.2 Native Interface Class 703.3.3 modify the original example 713.3.4 native cube Renderer 723.3.5 native cube 783.3.6 compiling and running example 793.4 use OpenGL ES hybrid mode to zoom in the video buffer. 823.4.1 why use hybrid scaling 833.4.2 initialize surface853.4.3 draw to texture 863.4.4 what will happen when the image size is not the power of