How to new an emulator for Android?
An emulator is a device that is used to simulate mobile device. All Android applications you develop can run on Android platform and be shown on emulator.
To create a new emulator, refer to the following steps:
Start eclipse, sel
ObjectivePrevious: Android uses Java8 new feature lambda expression (with the command-mode simplification)Said lambda expression, environment configuration and application in Android Studio. This paper describes the "method reference" of the new Java8 feature."Method Reference", which can actually be seen as a shorthan
Recently developed to use the notification function, but there are several places always hint deprecated, and then find an article to learn the new and old version of the difference.Notification is a notification that displays a prompt message in the notification bar.In newer versions (API level > One), some of the methods in the notification class are declared by Android deprecated (deprecated), which is b
Recently started to touch Android, practice the truth, and then actually create Android apps.1. Start Eclipse and select File/new/project ... "or" File/new/other ... "will pop up the Create Project window, such as:2. Select "Android Application Project", click "Next" button,
it.What about the thread?Interviewer why is your so diao? Let me catch my breath."Communication between threads this is the message delivery mechanism MessageQueue, Loop, Handler.""Handler handles the received message and the message queue that is sent MessageQueue each thread has a looper used to read the message in MessageQueue"Yes, OK, okay.PS: Said ok OK also can the interviewer with the hammer phone I also finally he returned to the desktop when found not to see a few eyes in the end still
Note: Most of the content in this article is reproduced from: newcj's blog, please respect others' labor achievements!
After writing"Android notification usage", We found several problems, especially setting the notification intent so that we can correctly call back the corresponding activity in the previous task that has been placed in the background like QQ or other programs, instead of creating a new ins
to summarize its advantages and disadvantages:
Advantages 1. In portrait mode, the digital keyboard mode greatly improves the input speed and facilitates single-handed use.2. The accuracy of Chinese Association is very high, so in landscape screen and physical keyboard mode, the typing speed is also improved compared with Google pinyin.3. the main interface is properly designed, and the input mode switching, copying, and pasting functions are easy to use.4. User-Defined symbols are very useful
path and JKS name and password, go out and enter click Next.4) The first is to generate the path of the packaged apk, below you can choose whether it is the release version or the debug version. Here we choose Release version.5) After finish, we will generate what we need.6) I am accustomed to copy to the JDK Bin directory, no test does not move has no effect.3. All right, everything needs to be ready. Now use the command line directly (command line with administrator privileges on the C drive)
converted to Kotlin with IntelliJ plugins
Kotlin widely used:Kotlin supports a wide range of Android application development tools, such as Kotterknife (Butterknife Kotlin), Rxkotlin,anko, and of course, many of the existing Java libraries are available.In addition, Kotlin can also be compiled into Javascript. Recently, using Kotlin to write a code to grab the proxy, the implementation is very fast. It's even faster than plain JavaScript. )Perfo
Roommates are asleep, still in the bitter force of the computer ... Neck pain is not good. I had a few problems with the new Android project this evening and I got a summary of the: 1. When you create a new Android project, you find that finish cannot be clicked or clicked without responding. Problem Reason: The
Android L New API Verctor Animation 1 -- SVG Path,Import
1. VectorDrawable is an API added in Android L. It allows you to create XML-based vector graphs and use AnimatedVectorDrawable to achieve animation effects.
2. Android L supports Vector tags, allows you to use Path to create animations, and supports SVG format.
After adding a new driver to Android, how does the app work?Normal use of a device requires getservice. But like LEDs and other hardware drivers we add ourselves, the Android source code doesn't have the services we add ourselves.The first type:Our own created hardware device-driven classes are defined by the system in order to hide classes, so how do you use hid
Import1, Vectordrawable is a new API in Android L, allowing you to create XML-based vectors and combine animatedvectordrawable for animation effects.2, Android l new support vector tag, you can use path to create animation, while supporting the SVG format.About SVG1. SVG refers to scalable vector graphics (Scalable vec
1. Build a new Android project Package Com.shellway.junit; Public class Service { publicint divide (int A,int b) { Return A/b; }}Service.java. As the class being tested PackageCom.shellway.junit;ImportJunit.framework.Assert;Importandroid.test.AndroidTestCase; Public classTesttextendsAndroidtestcase { Public voidtest1 () {Service service=NewService (); System.out.println (Service.divid
Tlplayer for AndroidThe new version number fixed the image tilt and so on, added the dynamic watermark function.Support HLS (m3u8), HTTP,RTSP,MMS,RTMP and other network protocols.It is not only supported on Android, it is stated that the Tlplayer is not pitch-shifting. Already supported on Windows,ios,mac,linux, and Android support has never been added.Tlplayer u
RecyclerView for new Android controls and pull-up and pull-down refreshOverview:
RecyclerView is a new Widgets in the android-support-v7-21 version, and RecyclerView is an upgraded version of ListView, more advanced and flexible. In future development, we can directly use RecyclerView to replace ListView.
Features:
1.
A long time ago my own android game project, today with eclipse re-open reported a bunch of errors, are related to @ override, Google find a solution (http://blog.csdn.net/skylen/archive/2011/02/21/6198699.aspx ):
Source code printing?Mbutton1.setonclicklistener (New button. onclicklistener (){@ OverridePublic void onclick (view V){// Todo auto-generated method stubMtextview1.settext ("Hi, everyone !! ")
Create a receiver in the new version to receive the installation and uninstallation of the mobile app (you can listen to the uninstallation of the old version)
Packagecom. justsy. LPI. receiver; importandroid. content. broadcastreceiver; importandroid. content. context; importandroid. content. intent; publicclass pkinstallreceiver extends broadcastreceiver {@ override public void onreceive (context, intent) {If (intent. getaction (). equals ("
Preach wisdom • No Plume (Wisdom Podcast ) (Senior lecturer , Java College, Beijing Campus)Profile:Apkbus , one of the experts, the Black Horse Technology salon President, in the mobile field has many years of practical development and research experience, proficient in HTML5,Oracle, ee ,Java Web Programming, the Android application development and platform development has a deeper research. From the basic to the advanced course, the teaching style
The new Android component RecyclerView is introduced to improve efficiency and androidrecycler
Today, we will first explain why we should introduce this new component RecyclerView, because a few days ago I published an article about the reuse of the frequently used panel question ListView and how to optimize it to some developers, however, I can see the relat
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.