Fragmentactivity in Android returns the previous activity effect with the analog return key

Fragmenttransaction first add a fragment, this fragment is currently to show the fragment,When the second fragment is displayed through an event trigger, the second fragment is added and the Fragmenttransaction.addtobackstack (null) is called;Call

WebApp ideas and REM adaptation are extremely viewport

WebApp in the production time, the page to add the viewport tag, used for adaptation;Viewport meta tag, refers to when the mobile side of the display, viewport is how big? Mobile Browser is the screen width, viewport general (mobile browser) default

keymob-to build domestic excellent mobile advertising platform

Back in in the 2014, mobile advertising gradually moved from the early stages of development to a more mature transition. Mobile advertising platform after a long period of competition, the comprehensive strength of the platform is gradually

Custom view, ViewGroup theory basics in Android

Android itself offers many widgets, but sometimes these widgets do not meet our needs, then we need to customize the view, this article will detail the various theoretical basis of custom view, only to understand this knowledge, we can better

IOS9 implementation of Task Manager effects

IOS9 implementation of Task Manager effectsIn IOS9, you can open Task Manager by double-clicking the Home button, which is different from the previous version, this time using the 3D effect, see:So how do you create such effects in our app? There is

Android Basic components---->pickers use

  Android provides a ready-to-use dialog box that allows users to select a time or date. Today we will simply learn about the use of picker.The project structure is as follows:Create a time pickerCreate a

iOS for simple graphics and text blending effect

iOS for simple graphics and text blending effectIn a lot of news or have text display of the application now will appear in the picture mixed interface such as NetEase News, at first glance to look similar to a webpage, in fact, this effect is not

iOS development--Invoke JS and JS injection in Web pages

Get your Web page into your iOS project first:The contents of the webpage are as follows, for testing only:[HTML]View PlainCopy  html> head> meta xmlns= "http://www.w3.org/1999/xhtml" http-equiv="Content-type " content="text/html;

Android Development Practice: Array Transfer of Java layer and JNI layer

Reprint: http://www.linuxidc.com/Linux/2014-03/97561.htmAndroid development, often in the Java code and the JNI layer passed between the array (byte[]), a typical application is the Java layer to send the data sent to the client stream to the JNI

[Android] Custom controls

Some of the fixed controls and properties may not meet the development requirements during Android app development, so in some special cases we need to customize the controls and properties. First, the implementation of steps1. Inherit the view

Some finishing on the app catalog

Myapp.appDocuments: Apple recommends that the files generated by the program creation and the file data generated by the app's browsing be saved in this directory, which is included in itunes backup and restoreLibrary: The default settings or other

Notifications in iOS (nsnotification)

Notifications in iOS (nsnotification) prefaceThe notification Center is a single case. Notification iOS is a design pattern in. Each application has a notification hub NSNotificationCenter instance that is specifically designed to assist with

Android Layout screen scrolling method ScrollView

ScrollView label to the outermost layer, case: Android Layout screen scrolling method ScrollView

Android system porting and driver development

Androidthe architecture has four layers, each withLinuxKernel,C + +code Base,SDK APLand applications, the kernel also has drivers, memory management, process management, and so on. Androidporting is also divided into application and system porting.

Android Drive porting and Driver development overview

The first chapter of the book is mainly about Android system, to understand the pre-transplant of Android system, as well as the Linux kernel and drive to explain.Android is already forming a very complete embedded operating system. Android's system

Android Drive porting and Driver development overview

Android's system architecture has four layers, they are: Liunx kernel, C + + code base, Android SDK API, should program.Android is based on the Liunx kernel, so it differs from the core parts of some liunx systems even if there are differences. In

Android Studio. grade file Knowledge

1. Location2. Issue: When the Androidstudio version is different, the. gradle file version is different (currently 2.10) because the Androidstudio upgrade will be upgraded automatically. Gradle. This will not work if it is loaded into someone else's

Js Apply Method Detailed

Js Apply Method DetailedI saw in the beginning of the JavaScript function apply and call, very vague, see also do not understand, recently saw some articles on the Web on the Apply method and some examples of call, finally is a bit of a look, here I

iOS design MODE-KVC

about the design mode of ios, I believe that everyone is not unfamiliar, the most common is the mvc, that is, the Model-view-controller mode, also we often use, this here is not in the narrative, here is the main talk about KVC this mode, if the

90. Android UI Template Design

First Step: customizing XML propertiesCreate a new Android project, create a new Atts.xml file in the values folder, and declare in this XML file the properties we will need to specify when using the custom

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