Android Main Activity

When it comes to application programming, Android is like an elephant in a room for a designer. Many designers would prefer this to be iOS, where all anyone cares about is the iphone, the ipad and the app Store. And no one can ignore Android, which now has the biggest market share in smartphones and has been widely used in a variety of products ranging from tablets to e-readers. In short, Google's Android platform is rapidly growing everywhere, brand manufacturers are hard to not notice. Let's face it together. Android ...

The article by Bole Online-the top of the Sea of clouds translated from Kpbird. Welcome to the Android team. Please refer to the request at the end of the article. What happens when you press the power button on the Android device? What is the startup process for Android? What is the Linux kernel? What is the difference between the Linux kernel of the desktop system and the Linux kernel of the Android system? What is a bootstrap loader? What is Zygote? What is X86 and arm Linux? What is...

More than once, more than one person asked the question. I answered: no need. But keep it in the record. Let's start by understanding the system's internal mechanisms for application management. For the Android system, it includes processes and services. "Process" has a running, also has just left in the background cache. A "service" is an interface-free, long-running application feature that is not easily terminated. We know that Android can be done quickly via the homepage key (home) or by using the return key (←) gradually ...

Summary: Apple November 18 officially released the WatchKit development tool, unveiling the Apple Watch Interactive logic and many UI element details. Although the current Apple Watch is not yet released, with official materials, we have been able to more specifically feel and imagine Apple November 18 officially released the WatchKit development tool, unveiled the Apple Watch interactive logic and many UI element details. Although the current Apple Watch real machine has not been released, but by virtue of the official ...

"My name is Mt Online" Android version of the official test after the detonation of the download tide, the developer of the outstanding game CEO Shanhu said, did not expect the Android platform has such a large explosive force. On the iOS platform, "My name is Mt" only 220,000 downloads a day, and the Android version is several times this, resulting in a huge server pressure, causing the card machine and unable to log the problem, so that developers have to urgently add services to solve these two problems. Why is an Android platform so explosive? In addition to the large number of Android phone users, the main reason is that the Android game distribution platform ...

Now the internet is flying all kinds of information on the Android image rendering of hydrology is really annoying me, below to give you some information on the Android hardware rendering the truth, hardware acceleration is not what we think so perfect, and we have been improving! 1. Android has been using hardware acceleration. In fact, since the 1.0 version, all of the window elements are synthesized and displayed through hardware. 2. This means that many of the animations you see are accelerated: The display of buttons, the shadow of the notification bar, the toggle animation between different activity ...

A framework layout is one of the simplest types of layout that organizes controls into the user interface of an Android program. Understanding layouts is important for good Android programming. In this tutorial, you will learn about framework layouts, which are used primarily to organize special or overlapping view controls on the screen. With proper use, many interesting Android user interfaces can be designed based on the framework layout. What is the framework layout framework layout is one of the simplest and most efficient layouts for the Android Developer organization View Control. They make the ...

June 9 News, a few days ago, the U.S. Science and Technology blog Reading and writing network writer Dan Rovensky (Dan Rowenski) published a signed article that Apple and Valley two companies, although it is a competitor, but two companies are taking a completely different strategy. Cloud services are different for two giants, and for Apple, cloud services can help sell their devices, and for Google, artificial intelligence is based on cloud services. The following is the main content of the article: Finally, I sold the old ipad 2, bought a full ...

In the past, Android development has matured, with Android-related development tools emerging. However, in the face of a variety of new things, do not forget those we use every day a large number of open source library. Here, I would like to introduce to you, in this hard-working family, the most popular developer favorite five Android libraries. 　　Hopefully, by understanding them, you can help with your development efforts. 1. Gson Gson is provided by Google for use between Java objects and JSON data ...

class= "Post_content" itemprop= "Articlebody" > Think of that year, the habit of clearing memory. When Android was not born, when we used Windows, we had to turn off all the unused processes so that we wouldn't "take up memory" or "CPU", and the computer wouldn't "card". (Most of the "Security software" is to help users in Windows to clear memory, garbage and ...