• The encapsulation of guideview to realize the function of app


    In this paper, we share the specific code of the app function guide page encapsulated by guideview for your reference. The specific content is as follows package oschina.comxianbing100.yindao; import android.app.Activity; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Canvas; import android.graphics.Paint; import android.graphics.PorterDuff; import android.graphics.PorterDuffXfermode; import android.graphics.RectF; import android.os.Build; import android.support.annotation.RequiresApi; import android.util.Log; import android.view.Gravity; import android.view.View; import […]

  • Mac app store always fails to update or download programs


    Mac app store is the app store of apple computer. Basically, all the tools used will be downloaded here. Why does the update or download program always fail in MAC app store? I believe many netizens have encountered similar problems more or less. This paper introduces some methods to solve this problem. Why update or […]

  • IOS app re mentions the submission audit process


    After the first failure of IOS app submission, many friends don’t know how to re submit the app for review. Let’s sort out the relevant processes and points for attention and learn together. IOS app audit is relatively strict, and it is inevitable that it will be rejected. It needs to be repackaged and uploaded […]

  • Application function guide page of flutter


    The app function introduction page is mainly composed of several pictures introducing app functions and the current page indicator. The effect is as follows Let’s implement the above interface step by step. Slide left and right to switch the display function page. This can be achieved through pageview. The bottom indicator is translucent and covers […]

  • View the instance of how to locate and deal with the crash information of IOS launched apps


    The complete app can only be put on the shelf after many rounds of testing, but no developer can guarantee that there will be no problems. If there is a crash in the launched app, it is particularly important for developers to view the location of crash information and the corresponding processing method. Here are […]

  • Solution to crash when saving pictures to album in IOS app


    Environmental Science: iPhone Version 11.0.3 ,  Xcode Version 9.0 Question: When maintaining the app yesterday, it was found that the application crashed while saving the pictures after taking pictures. The output is as follows: This app has crashed because it attempted to access privacy-sensitive data without a usage description.  The app’s Info.plist must contain an […]

  • How to add no web page in IOS app


    preface We should all meet such a demand. In the process of app development, in order to have a better user experience, we often add page display when there is no network to tell users that the current network status is not available. Then, how to realize real-time monitoring of network status is the problem […]

  • How to install app with IOS simulator


    Background: Mac machine a has the source code of project P, but MAC machine B has no source code. I want to run the application P on the simulator of B. Steps: 1. On machine a, build the simulator version and get the app file under the simulator /Users/work/Library/Developer/Xcode/DerivedData/*-daajgszwtouixcfnoaiawbxybpvd/Build/Products/DebugTest-iphonesimulator/*.app be careful: (1) , you need […]

  • The H5 page evokes the app to download if it is not installed (IOS and Android)


    The H5 page evokes the app to download if it is not installed (IOS and Android) There is no communication protocol between the browser and the app, so H5 does not know that the app is released and installed on the user’s mobile phone. Therefore, only H5 can try to evoke the app. If not, […]

  • Explain deployment on azure Asp.NET Core Web App


    In the era of cloud computing, when you want to deploy a website, the first choice must be a variety of cloud services. So what kind of cloud services can be used to deploy one in the fastest way ASP.NET What about the core website? Azure’s web app service is a good choice. Next, we […]

  • How to load the local HTML page in IOS app and click the webpage link to jump to the app page


    1、 How to load local HTML file content in app: First prepare an HTML file, such as the following: <html> <head> <meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″> <meta http-equiv=”Content-Style-Type” content=”text/css”> <title>title</title> </head> <body> <p> <a href=“http://www.baidu.com”>go to app</a> </p> </body> </html> Next, define a uiwebview in the app to display the HTML file content //Define a WebView […]

  • C ා convert the value in the configuration file appsetting to a dynamic object call


    The configuration is as follows: <! — invite users to send coupons rules {invite rules: [{invite: coupon ID}], use invitation code: coupon ID}, configure according to the number of invitations from small to large — > <add key=”INVITE_USER_RULE” value='{“InviteUser”:[{“InvitePersonsCount”:1,”CouponID”:54},{“InvitePersonsCount”:3,”CouponID”:55},{“InvitePersonsCount”:6,”CouponID”:56}],”UseInviteUserCouponID”:57}’ /> The conversion is as follows: //Get the value of the peripheral property: string inviteUserRule = […]