what is android 4 4 kitkat

Sometimes we may need to reduce the version of the project, such as 4.4 down to 2.2, and may encounter errors like thisUsing 1.7 requires compiling with Android 4.4 (KitKat); Currently using API 4In short, the problem with the JDK, the solution is: righ Click on your Project > Properties > Java compiler > Enable "Project specific settings" Se T Compiler complianc

main function library, allowing redistributable package to shrink. facilitates republishing of applications.The. NET Framework Client profile was first met with a developer at. NET 3.5, but because it was installed only with ClickOnce deployment, there are not many developers using it, and many people are responding with the hope that the. NET Framework Cli ENT profile can be distributed using CDs or other storage media, and Microsoft is receptive to

NET framework 4 client profile is. NET Framework 4 Lite version.. NET Framework client profile is a subset of the full version. NET Framework 3.5 SP1 and is intended for client applications.Program. It provides a simplified subset of Windows Presentation Foundation (WPF), Wi

$arr= [1, 2,-4, 4, 10,-23, 4,-5, 1]; $max _sum= 0; $sum=0; $new= []; $i= 1; Echo' ; foreach($arr as $key=$value ){ if($sum){ unset($new[$i]); $i++; $sum=$value; }Else{ $sum+=$value; } $new[$i][] =$value; if($max _sum$sum){ $max _arr=$new; $max _sum=$sum; } } Print_r($max _sum); Print_r($max _arr); Exit;An array of integ

the function name itself is a variable. For function declarations and function expressions as shown below, it is very useful to understand that a function in JavaScript cannot be overloaded without considering the difference between a function declaration and a function expression.1 function f (a) {2 return a + 3} 4 5 function f (a) {6 return a-10; 7} 8

Following opium and morphine, a more dangerous drug has come to the human world, and it is heroin. Heroin is a semi-synthetic opium drug and has a history of more than one hundred years. The pure heroin (commonly known as the white powder) mainly comes from the Golden Triangle (borders of Myanmar, Thailand, and Cambodia), some from Lebanon and Syria, and more from Pakistan. The color, precision, and purit

Problem descriptionVideo capture using V4L2, capturing video data with a resolution of (4:3) and previewing the image on an Android device using the Canvas,drawbitmap methodAndroid Device resolution is 540x960 (9:16), so the full screen preview when the image is stretched, how to solve this problem?No train of thought

This article mainly introduces 4 kinds of commonly used request methods about Ajax, let's take a look at the four kinds of them together now. 1.$.ajax () returns the XMLHttpRequest object that it created. $.ajax () has only one parameter: The parameter Key/value object, which contains the configuration and callback function information. Detailed parameter options are shown below. If you specify the DataType option, make sure that the server returns

First, the four components of the applicationthe Activity "Activity is an interface for Android apps that can be used to view contacts, call and play games.B. An application typically contains multiple activity.C. Activity adds various view components through layout management.D. The view can be rendered by using the Setcontentview (int) method.the Service "A. The service runs in the background and

Article Description: Why is the iphone better than Android ? Once in different occasions with a lot of An Zhouqing discussed some or shallow or deep knowledge level problems, now want to have a truly independent thinking ability and equivalent knowledge reserves, and only one person, in other words, most of the time is just casting pearls before swine.

What is Baidu's 4 K map?1. 4 K map is the first in the Baidu Map industry. Compared with traditional maps, 4 K map display can be precise to crosstab, Lane and other traffic signs, as well as every parking space on the road si

1) layer-2 Exchange Technology The layer-2 switching technology is relatively mature. The layer-2 switch is a data link layer device that can identify MAC locations in data packets.Address information, which is forwarded based on the MAC address, and the corresponding MAC addresses and ports are recorded in a local location.Address Table. The specific workflow

); 37} 38} 39} The printed results are amazing. 　　 This means that runnable runs in the main thread !!! Look at the source code, Handler's post Method 1 public final boolean post(Runnable r)2 {3 return sendMessageDelayed(getPostMessage(r), 0);4 } First read getpostmessage (r) 1 private static message getpostmessage (runnable R) {2 // This method completes two operations: 1. A message object is