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error, there is no warning. However, regardless of the error or not, this is not safe, there is an ID conflict in the control of the hidden danger.　　There are no errors or warnings under Eclipse.Androidstudio the error.Rearrange the problem description: in Androidstudio, when adding a control dynamically with code, assigning an ID to a control by View.setid (int id) directly assigns a parameter of type int "error", and the correct use posture of View.setid () is described below.• Scenario One:

contentMenu.setheadertitle ("file operation");Menu.setheadericon (R.drawable.ic_launcher);Menu.add (1,1,1, "copy");Menu.add (1,2,1, "paste");Menu.add (1,3,1, "cut");Menu.add (1,4,1, "renaming");}@Overridepublic boolean oncontextitemselected (MenuItem item) {Switch (Item.getitemid ()) {Case 1:Toast.maketext (Mainactivity.this, "click Copy", Toast.length_short). Show ();BreakCase 2:Toast.maketext (Mainactivity.this, "Click to paste", Toast.length_short). Show ();BreakCase 3:Toast.maketext (Mainac

Specific steps can be viewed on the Android website.Http://source.android.com/source/initializing.htmlInstall Dpkg-dev Firstsudo apt-get Install Dpkg-devsudo apt-get install Git-core GnuPG Flex Bison gperf build-essential Zip curl zlib1g-dev gcc-multil IB G++-multilib libc6-dev-i386 lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-Dev CCache libgl1-mesa-dev libxml2-utils xsltproc Unzipsudo apt-get install openjdk-7-jdksudo update-alternativ

How simple is it? Look, it just shows the map:If you want to write an android Google map application, it is more difficult to prepare it than to write other applications. Because: The android Google map API is not open-source and free. It is Google's private software, although it is free; This API is always dependen

sqlitedatabase = dbopenhelper.getreadabledatabase (); switch (Matcher.match (URI)) {case Persons:return Sqlitedatabase.query ("person", projection, Selection,selectionargs, null, NULL, sortOrder); case Person:long rowID = Contenturis.parseid (URI); String where = "PersonID =" + rowid;if (selection! = NULL ! "). Equals (Selection.trim ())) {where + = selection;} return sqlitedatabase.query ("person", projection, Where,selectionargs, null, NULL, SortOrder);d Efault:throw New IllegalArgumentExcept

each device acts as a server so that it can have a server socket to listen for connections. When the other device initializes the connection, it becomes the client. In addition, when the device becomes "host", it will open a server socket and the other devices will simply connect.Note:if the devices has not been previously paired and then the Android framework would automatically show a pairing req Uest notification or dialog to the user during the c

Google has released the latest Android 4.4 KitKat Kit Kat Chocolate operating system, but the system's team is targeting not Microsoft's Windows Phone operating system, but Microsoft's Office suite products. The Android 4.4 operating system integrates the famous mobile platform office software Quickoffice, which allows users to edit Microsoft Office documents, sp

At the beginning of 2015, Google released a feature on Android performance optimization, with 16 short videos, each 3-5 minutes, to help developers create faster and better Android apps. The topic of the course not only introduces the underlying workings of performance issues in Android, but also describes how to use t

At the beginning of 2015, Google released a feature on Android performance optimization, with 16 short videos, each 3-5 minutes, to help developers create faster and better Android apps. The topic of the course not only introduces the underlying workings of performance issues in Android, but also describes how to use t

Android Studio is Google's 13 I/O conference launched in the Android development environment, based on IntelliJ idea. Similar to Eclipse adt,android Studio provides integrated Android development tools for development and debugging.Today, Google released the 1.0 official ver

Article Title: Google released the Android system to push the Android mall. Linux is a technology channel of the IT lab in China. Some basic categories, including desktop applications, Linux system management, kernel research, embedded systems, and open-source systems, were released at the Google

Public Static classFragmentaextendsListfragment {Private Onarticleselectedlistener Mlistener; ... //Container Activity must implement this interface Public InterfaceOnarticleselectedlistener { Public voidonarticleselected (Uri Articleuri); } ... @Override Public voidOnattach (activity activity) {Super. Onattach (activity); Try{Mlistener=(Onarticleselectedlistener) activity; } Catch(classcastexception e) {Throw NewClassCastException (activity.tostring () + "must implement Onarticleselecte

further explain why, the admission company should be accommodating.18. Have you ever thought of starting a business?Answer tip: This question can show you the momentum, but if your answer is "yes", be careful, the next question may be: So why don't you do it?19, how to look at education and ability?Answer tip: Education I think as long as the college diploma, it shows that I have a fundamental learning ability. The rest, whether you are a bachelor or a doctor, for this discussion is not about h

July 5, 2014, 6th, AVOs Cloud Joint Move point Technology, seven Qiniu storage, Ucloud, push Network, Segmentfault, EOE Developer community, offer, csdn and Geek College come to Mordor, A two-day hacking marathon was held for developers. This event is an exclusive collaborative media with Dynamic point technology, which features a special report on developers ' ideas and products. Love encryption as the guardian of mobile application security, was inv

1: Open Adt-bundle-windows-x86\eclipse folder, create new Folder Subclipse (Note: adt-bundle-windows-x86 for my Eclipse directory name)2: Open Eclipse's svn plugin zip file (site-1.8.4.zip)3: Extract the features and plugins folders from the Open Site-1.8.4.zip package to the Adt-bundle-windows-x86\eclipse\subclipse folder4: Open the Adt-bundle-windows-x86\eclipse\dropins folder and create a new text file Svn.lnk The contents of this file are: Path=subclipse5: Open the Adt-bundle-windows-x86\ecl

this component into their mobile apps, allowing users to easily share the content of their apps in the most popular social media platforms.Mobile Development Payment Platform Class solutions:for developers to provide payment platform API interface, to achieve the functions such as remittance transfer. Mobile Development Voice class solutions: for mobile developers to provide convenient speech recognition services, so that there is text input in place with voice input instead. Save time and effo

Android animation icon -- I am not a gif maker, I am a developer, androiddeveloper We first found a cool animated icon on git: Https://github.com/xuyisheng/tickplusdrawable I have to say that foreign programmers are indeed much better than us in terms of details. OK. Today we will imitate this: Now let's take a look at our results. Don't spray me, just write it for an hour. A lot of details have not been f

Uri uri = Data.getdata (); String[] proj = {MediaStore.Images.Media.DATA}; Cursor actualimagecursor = Managedquery (uri,proj,null,null,null); int actual_image_column_index = Actualimagecursor.getcolumnindexorthrow (MediaStore.Images.Media.DATA); Actualimagecursor.movetofirst (); String Img_path = actualimagecursor.getstring (Actual_image_column_index); File File = new file (Img_path);The following is the solution after 4.2.2, after the Managedquery method is discarded:Public StringGetrealpathfro

with a variety of popular social media platforms, where developers can integrate this component into their mobile apps, allowing users to easily share the content of their apps in the most popular social media platforms. Mobile Development Payment Platform Class solutions: for developers to provide payment platform API interface, to achieve the functions such as remittance transfer. Mobile Development Voice class solutions: for mobile developers to provide convenient speech recognition ser

Android developer _ backup SMSZookeeper Principles of text message backup The principle of text message backup is to use the content provider to read and save the text message. Public class SmsBackupUtils {// callback interface public interface SmsBackupCallback {/*** total number of messages called * @ param total text messages */public void beforeSmsbackup (int total) before SMS backup ); /*** call * @ p