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a Cookie using(varHTTP =NewHttpClient (handler)) { varContent =NewFormurlencodedcontent (Newdictionarystring,string>() { }); varResponse = http. Postasync (GetString (Resource.String.apiHost) +"/test/currenttasklistapi", content); varobj = jsonconvert.deserializeobject(response. Result.Content.ReadAsStringAsync (). Result); Listview.adapter=NewTask_infolistadapter ( This, obj); }If you're using Xamarin to deve

Xamarin XAML Language Tutorial template view Templatedview (ii)(2) Open the MainPage.xaml file, write the code, and apply the built control template to the Templatedview. The code is as follows: xmlns:x= "Http://schemas.microsoft.com/winfx/2009/xaml" Xmlns:local= "Clr-namespace:templatedviewdemo" x:class= "Templatedviewdemo.mainpage" > Padding= "0,20,0,0" controltemplate= "{StaticResource chinesetemplate}" >

Pure. NET programmer, without any Android development experience. Three days of continuous tossing, only to configure the completion of the Xamarin.android development environment, complete Hello World, all the way is a pit ah.First, the new installation of VS2015, the mobile development options on the hook: Xamarin, Android has SDK I also hook, but no use, loaded very slow, also can not be installed. The end result is that I deleted all Android-relat

InstallationIt's not easy to start using this new tool. In Visual Studio 2017 (upcoming vs 2015), just go to Tools-> Extensions and updates, and search for "KeyStore" to find the extension.After downloading, simply restart Visual Studio and you will see it in the Tools menu.On the Xamarin studio side, open the Add-ons dialog box under the Xamarin Studio menu and locate the Android signature tool under libra

BackgroundThe new Xamarin project failed to compile. Error The "Generatejavastubs" task failed unexpectedly.Error The specified path, file name, or both is too long. The fully qualified file name must is less than 260 characters, and the directory name must is less than 248 characters. Demo_xamarin_helloworld.androidReasonThe default project path, under C:\Users\Administrator\Documents\Visual Studio 2017\projects\, exceeds the long path limit for Win

). Actionview; return true ; }The end result is as follows:This way our searchview is created.The Main method of 2.searchviewThe role of Searchview is to search, and the events we commonly use include the following:Onquerytextlistener called when the query content has changedOncloselistener Called when Searchview is closedOnquerytextchange The new content of the text field of the query, which is equivalent to writing edge searchonquerytextsubmit Querying the content of the query to be sub

- //Get Our buttons from the layout resource, - //And attach an event to it thebutton = findviewbyid(Resource.Id.MyButton); -button. Click + =NewEventHandler (button_click); - - } + - Private voidButton_Click (Objectsender, EventArgs e) + { Abutton. Text =string. Format ("{0} clicks!", count++); at } - - -}View Code4. The fourth type1 namespaceApp22 {3[Activity (Label ="App2", Mainlauncher =true, Icon ="@drawable/ic

) {Avoid constant destruction and creation of new viewsif(Convertview = =NULL) {ImageView ImageView=NewImageView (context); Imagecursor.movetoposition (position); varIMAGEURL = imagecursor.getstring (0); Console.WriteLine (IMAGEURL);Determine MediaStore.Images.Media.InterfaceConst.Data query result as Picture path according to output//Imageview.setimageuri (Android.Net.Uri.WithAppendedPath (Mediastore.images.media.externalcontenturi,imageid) );Imageview.setimageuri (Android.Net.Ur

。。。。。。 (Empty talk, less)Xamarin developed a few technical materials, through learning, their own learning process and the problems encountered in sharing with you.Splash screen is a picture that appears when the app is launched, and the General app's Splash screen is a dynamic advertising message.Learn how to load a fixed splash screen first.First, add code in Resource/values/styles.xml.The Android:windowbackground is set to the picture to be loaded.

action checks that the current view controller's view is still in use, and if it is not in use and the controller implements the Loadview method, Viewcontroller will view release and point it to nil.Note that you do not call the parent class method [Super Loadview] in Loadview, because this affects CPU performance.Note 2, switching the front and rear stations does not call ViewwillappearReference articlesiOS Learning Note--viewcontroller life cycle detailediOS Development Interface life cycle (

. ResourcesImplementation of the program's resource files, images, audio, video, files, animation menus, style operation management.. r.java fileWhen the project is compiled, the resource file ID in the package is placed in the R.java file of the program, and the R class file contains the identity ID of the int type of each resource. Such as:After reading the above content, our knowledge of the development of the app is basically complete. Again: There is no deep level of explanation. After prof

Version 1.SDKAndroid SDK Build-tools must be installed in version 23.0.1, do not upgrade the high version, otherwise it will result in an exception: try in the condition "$ (_devicesdkversion) >= 21" in the "$" instead of the number "$" (_ devicesdkversion) "For numerical comparisons. 2.JDKIt is best to use version 1.8 of the JDK, otherwise the Xamarin Project compilation in VS2017 will fail.3. Target minimum Android versionSet the minimum Android ver

Uncle also said Xamarin ~ Android ~ An array is transmitted between activities. xamarinandroid When developing an application, we cannot use only one Layout or Activity. For example, if you have a management system that requires users to log in and use it again, you must have at least two activities, log on to another Activity first, and then jump to another Activity. This problem occurs when data is transmitted between multiple activities. This is wh

[Activity (Label = "servicebooking")] public class Servicebooking:activity {private Searchview _searchview; Private ListView _lv; Private arrayadapterC # uses Xamarin to develop applications--list+search

will build a link between the IDE and the test terminal (Emulator or Connecteddevice), which uses their own independent port to monitor the debugger's information, DDMS can monitor the connection of the test terminal in real time. When a new test terminal is connected, DDMS will capture the ID of the terminal and set up a debugger through ADB to achieve the purpose of sending instructions to the Test terminal. Mainly used to monitor the simulator:Ddms a bridge for the IDE and Emultor, the real

is needed here is Javadictionary JD. ADD ("txt", C.key); Field keyJd. ADD ("xx", XX) List1. ADD (JD); } SA=NewSimpleadapter ( This, List1, Resource.Layout.main_menuItem,//item style layout fileNew string[] {"txt"},//corresponding field keyNew int[] {Resource.Id.main_menuItem_id}); The item style layout file requires the binding element ID, which will correspond to the field key of the datavarmenu =(ListView) Findviewbyid (Resource.Id.menu); Menu. Adapter= sa;Layout/main_menuitem.axm