what is android oreo

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Android solves the dialog of the back event when the activity is not captured in the pop-up _android

This article describes how Android solves the back event that dialog does not capture activity when it pops up. Share to everyone for your reference. The specific analysis is as follows: In some cases, we need to capture the back key event, and then write to what we need to do in the event we capture, usually with the following three ways to catch the back event

Android developer path-what have I learned

Android developer path-what have I learnedGuideNext week is the second anniversary of my stay in Sydney, so I think it is time for me to write this article. When I attended the I/O Annual Meeting in March, I met Ms. yasman, who was very beautiful. She asked me how I grew up as an a

[Android development experience] What Should cached files of an APP exist? After reading this article, you should be clear about it. androidapp

[Android development experience] What Should cached files of an APP exist? After reading this article, you should be clear about it. androidapp Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992 As long as it is an APP that requires online data retrieval, cache files will be generated locally, regardless of version update or image cache.

Android Program Ape Job-hopping need to pay attention to what?

I am a job for more than 3 years of Android development, because of the company and personal development reasons, intends to jump-job!This job-hopping and gave me a good lesson!So I self-reflection summed up a bit, and then sort out some of the procedures apes are planning to move to a time when the need to pay attention to the points!First think about what kind of company you want to go to, have a clear pl

What is the interactive learning ability of the European and American users?

Have you noticed any difference in this area? Interactive designers in the collation of interactive knowledge, may forget to consider the domestic user's interactive learning ability, this subtle difference let @edc Yu Yuanqing students caught, today he will be in different countries when designers accumulated user experience to share out, directly to learn from it! Detailed description of the problem: One of the more common arguments about why domestic applications tend to replicate IOS desig

What are the advantages of mobile Android systems?

The advent of the 3G mobile phone era, triggering the development of the software market explosion, mobile phones such as the rapid growth of the speed, so that people have questioned, in the end what kind of mobile phone software application is the best, the following to analyze the advantages of Android.First, opennessIn terms of dominance, the Android platform

What do you want to learn about Android game development?

In recent years, the university students frequently face the big problem of the employment, the university student talent is difficult to display, the enterprise cannot recruit the talented person which suits own enterprise development, has moved toward two contradictory extremes. But this phenomenon we have to reflect on the reasons, is the teaching of the university or the requirements of the enterprise t

What is H5 advertising?

Before, I did a lot of H5 sharing, but whether it's a broad definition or profound, from this series, I want to start with the definition of H5, and summarize all the content and design methods I know about H5! It's a meaningful thing, and it's a very challenging thing, right here, I hope that if you can patiently read my share of the words must be to my deficiencies and lack of place to make evaluation, let us progress together for this emerging industry efforts! People often ask me

What is intent?

can be used by the platform to locate the consumer of the event . Example code:1. Explicit:1 //Way One:2Intent Intent =NewIntent (Test. This, Testb.class);3 startactivity (intent);4 //Way Two:5Intent Intent =NewIntent ();6Intent.setclass (Testbundle. This, Target.class);7Intent.putextras (Mbundle);//Passing Information8StartActivity (Intent);2. Implicit// Browse the Web (System pre-defined configuration) Uri uri = uri.parse ("http://www.google.com"new Intent (Intent.action_view,uri); StartActi

Information: What benefits does Google I/O 2015 bring to Android developers?

What benefits does Google I/O 2015 bring to Android developers?yesterday, in the garage coffee, and a group of old friends spent a happy Google night. The first thing to say is that this year's update some not to force, at least not enough Geek. I also do not intend to take stock of some of the information in the Keynote, presumably a lot of people have seen at v

What is the difference between a Java virtual machine and a Dalvik Virtual Machine? Why is DVM designed to be register-based!

sandbox. Different applications run in different processes. Each android dalvik application is assigned an independent linux PID (app _*)) One of the primary differences between Dalvik and the standard Java Virtual Machine (JVM) Is that Dalvik is based on registers while JVM

What benefits does Google I/O 2015 bring to Android developers?

The first thing to say is that this year's update some not to force, at least not enough Geek. I also do not intend to take stock of some of the information in the Keynote, presumably a lot of people have seen at various sites do not know how many times, I would like to say some is about this Google I/O for Android developers brought about

Start from scratch-go deep into Android (theory-preparations before development-10. What aspects should a good application have-10.1 ease of access) retained

course, we can also modify the focus sequence at runtime, for example, using the View class'ssetNextFocusDownId() And setnextfocusrightid ().10.1.1.2 click with a targeted Controller In most devices, clicking a view using a targeted controller will send a keyevent with the keycodeKEYCODE_DPAD_CENTERTo the view with the current focus. Make sure the event works the same when you touch the view on the touch screen. Result. All standard Android views are

What are the institutions that develop high-skill Android?

Professional Teaching Training a large number of highly skilled Android developers, Android skills Learning needs a complete set of teaching, of course, the implementation process is very rigorous, especially the development of Java programming language, developers need to master the development of this language, so as to enhance the application of the product. P

It is said that everyone should learn to program, so what language is good to learn?

, you can also use C # to develop Android, iOS apps, this is a Korean eat all over the sky, a language covering the whole platform, ask the world except Microsoft's. NET and C # Who else can do that? As long as you learn. NET and C #, what software will be developed in the future to develop what software, install force

What are the differences between data cleanup, cache cleanup, and one-click cleanup for Android?

What are the differences between data cleanup, cache cleanup, and one-click cleanup for Android?Preface ?? On Android devices, we often see system or application-related cleanup functions such as data cleanup, cache cleanup, and one-click cleanup, so many purge functions are hard to understand for a programmer, but many Andro

What is Unix and why is it so important?

What is Unix and why is it so important?Most operating systems can be divided into two different families. In addition to Microsoft's Windows NT-based operating system, almost all others can be traced back to Unix. Orbis OS running on Linux, Mac OS x, Android, iOS, Chrome OS, and PlayStaion 4 and various firmware runni

Currently, the Web scripting language three mainstream: Php,jsp,.net. What kind of situation is it? Is the Three Kingdoms separation, or other situation? Where are the real advantages of each?

Although these content in Baidu search has a bunch, but a lot of actually is the surface description. I would like to know what some of the real developers understand. Of course these programming languages are always just tools. Reply content:PHP has the advantage of being cross-platform, easy to deploy, easy to maintain, web-based, open source community powerful, and document-rich. As for the 3 foot separa

What does the Android activity life cycle do?

The Android system calls the corresponding callback function to execute the code according to the different stages of the life cycle. The system has an ordered set of callback functions to start and destroy an activity. This section discusses what to do and what not to do in the callback functions for different life cycles.Understanding the callback of the life c

What is viewport and px in depth? Mobile End Unit Px,em,rem

. PPI and DPI are the same concept, Android prefers to use Dpi,ios compared to using PPI.DP, DIP:DP and dip are density independent pixels abbreviations, density independent pixels, can be imagined as a physical size, so that the same settings on different phones display the same effect appears to be the same.In Android, the 1dp=1px is set to 160DPI as the benchm

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