The previous article describes the communication between the Android phone and the BLE terminal, while the most common ble terminal should be the ibeacon base station advocated by Apple. Ibeacon technology based on BLE, it is characterized by the broadcast of external messages, mobile phones do not need to connect to the Ibeacon base station can also obtain its information, is mainly used to do indoor positioning and marketing information push, in the
Android Push principle
Since the recent project involved Android push, I saw something about Android push, and we know that the Android push can come down to 3 kinds of implementations:
1, POLL, pull. The general idea is to send the request to the server regularly, and then let the server return the information itsel
RAR for Android is an old WinRAR free Android tool that allows you to compress and decompress files on Android devices.
Via @Xang Azu
WinRAR, who ranks ahead of the piracy rate in China, has released a free decompression tool to support RAR, ZIP, TAR, GZ, BZ2, XZ, 7z, ISO, ARJ formats.
RAR for Android also support
Android learning route (19th) Supports different devices-Supports different (Android) platform versions and android routes
When the latest Android version provides great APIs for your application, you need to continue to support the old system version before more devices are updated. This course describes how to use th
[Android development diary] explores Android Service for the first time! Service Startup + gravity sensing + pop-up window + keep running, exploring androidPreface:
I am writing a small program recently. The demand is that the cell phone will pop up as soon as it is shaken. The first time I used the Service, I learned how to use it for two days. I realized a Service pop-up window, started the Service, start
intent to be parsed, and the intent filter without the specified category can only match the intention of no category. It is important to note that Android treats all the implicit intentions passed to startactivity () as if they contain at least one category: "Android.intent.category.DEFAULT" (Category_default constant).Each part of the intended data URI is compared with the data label of the intent filter, and the intent filter without the specified
Android: Network Operations in android and android
There is no difference between network operations in android and java. Many network operation methods in java can be moved to android for use. The main points are as follows:
1. Differences between post and get requests. You
Android development interview: 6. FAQs from common interviewers: Android question ② (updating...), android updated
Follow finddreams blog: http://blog.csdn.net/finddreams/article/details/445600611. What are their respective advantages and disadvantages of HttpURLConnection and HttpClient? HttpUrlConnection versions earlier than 2.3 have bugs. Therefore, HttpClie
Android Toast introduction-android learning journey (), toast-androidToast Introduction
Toast is a very convenient message prompt box that displays a short message prompt on the desktop. There are two features:1. The message does not obtain the focus.2. It will automatically disappear in a period of time.Toast generation steps
1. Call the constructor or the static method makeText () to generate a Toast.2. C
to the init.rc (the first script parsed by the INIT process at system startup). The init.rc path is/system/core/rootdir/init.rc/sys/module/lowmemorykiller/parameters/adj 0,8/sys/module/lowmemorykiller/parameters/minfree 1024,4096Android Process CategoriesThe size of the process Omm_adj is related to the type of process and the order in which the process is dispatched.In Android, the process is mainly divided into the following categories:1. Foregrou
Learning about open-source android projects and open-source android ProjectsThis article collects a relatively good open-source Android project. Researching open-source projects is the best way to master the Android platform.
The core development team of Android provides 15
Many open-source Android projects are recommended:Android learning Source Code
Address: http://www.cnblogs.com/TerryBlog/archive/2011/04/18/2019907.html
Http://blog.csdn.net/join_wangzi/article/details/8065227
Shares the source code of 45 Android instances, which is very powerful.Http://www.apkbus.com/android-20978-1-1.html
Andriod alarm source codeHttp://www.a
)
2
Onmeasure
Measure the size of the view (don't care for the moment)
3
Onsizechanged
Determine the view size (record the width of the current view)
4
Nlayout
Determine the child view layout (No child view, no care)
5
OnDraw
Actually draw the content (draw a pie chart)
6
Provide interface
Provides an interface (provides an interface for setting data)
The code is as follows:
public
A related download
(1) Java JDK Download:
Enter the page: http://java.sun.com/javase/downloads/index.jsp (or click to download directly) as follows:
Select the Download jdk to download only the JDK, without downloading the JRE.
(2) Eclipse download
Enter the page: http://www.eclipse.org/downloads/(or click Download: bt download http download) as shown below:
We chose the first (that is, the Eclipse IDE for Java EE developers)
(3) Download the Andr
Android notes-Android architecture and android ArchitectureI. Android system architecture
The Android system architecture consists of four layers: Linux kernel layer, system library layer, application framework layer, and application layer.
Figure 1 architecture of the
Li pengjun, Android Project Director of AI totem, finalized the speech subject: Android audio Port Data Communication Development
Topic Introduction: Li Peng will explain how to implement bidirectional communication between audio ports and external devices based on Android audio interfaces based on the development practices of AI totem and hardware.
Personal Pr
This article describes how to run the JUnit test.
7. How to run the JUnit Test
We have learned a lot of JUnit programs and provided many features in the android ADT plug-in to facilitate unit testing. However, how to perform unit tests, for example, how to run the test example program provided in apidemos \ test, is a bit confusing for our beginners. I also searched for a lot of materials on the Internet, to know how to run the test unit. Therefore, I
(1) Android. App. Fragment: the minimum compatible version is Android: minsdkversion = "11"
Therefore, your application is not compatible with applications under 3.0.
You can use the
(2) Android. Support. v4.app. Fragment: compatible with version 1.6. The ProgramIn the Add or replace method, you also need
Android
This article describes the various common functions of intent in Android.1 Intent.action_mainString:android.intent.action.MAINIdentifies the activity as the start of a program. More commonly used.Input:nothingOutput:nothingActivityAndroid:name=". Main "Android:label= "@string/app_name">intent-filter > actionandroid:name= " Android.intent.action.MAIN "/> Categoryandroid:name= " Android.intent.category.LAUNCHER "/> intent-filter> Acti
1 Intent.action_mainString:android.intent.action.MAINIdentifies the activity as the start of a program. More commonly used.Android.intent.action.MAIN"/>Android.intent.category.LAUNCHER"/>2 Intent.action_callStirng:android.intent.action.CALLCall the specified phone number (direct dialing).Input: Phone number. The data format is: Tel:+phone numberIntent intent=new Intent ();Intent.setaction (intent.action_call);Intent.setdata (Uri.parse ("tel:1320010001");StartActivity (Intent);3 Intent.Action.DIA
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