Recently in the exploration of Android source code and ROM, was fortunate to buy a book with online to see some of the tutorial, first do some notes, in case of a rainy days ...1. Learn about Git and repo2. Environment configurationThe first is definitely the JDK and SDK installation, online tutorials A lot, you can also refer to Google's official offer: https://source.android.com/source/initializing.html(a) Installing Git and curl:Apt-
contact learning programming to write the app, but a little bit professional not too low or too stupid child shoes, it is highly recommended to choose Android studio! And it has an interface simulation for adding controls, and your layout of each control on the interface is automatically generated. The statement in XML is very convenient! When yogurt and team members first wrote the app, the dictionary chose Eclipse, and the results were written half
1. Location services, English translation for location-based services, referred to as lbs, also known as location services or position-based services, integration of GPS positioning, mobile communications, navigation and other technologies to provide space-related integrated application services, location-based services are developing rapidly, Covers all aspects of business, healthcare, work and life, providing users with a range of services such as positioning, tracking, and sensitive area w
Http://blog.sina.com.cn/s/blog_8daaa9ea0101mx7f.htmlIn previous versions of Android (prior to 4.1), SDcard followed the path by "/sdcard" or "/mnt/sdcard", and was modified in the jelly Bean system to "/storage/sdcard0", There may also be multiple sdcard in the future. Currently, to maintain compatibility with previous code, the SDcard path does a link mapping. To make your code more robust and compatible with future versions of
started, the advanced step can be divided into three steps:Step One: Learn the official training and guide section of the system and read the benefitsSecond step: Introduce open source project to simplify the development, and view the source code to understand the implementation;Step three: When you are familiar with the development, you need to know more about the internal world of the view, see the internal implementation of common component view, see Activity ManagerService,
@ Weibo daily release Android and IOS Open Source project Introduction4. AppLibraries for DevelopersDevappsdirect23code or more three are all open Source Library Rollup app,libraries for developers and devappsdirect for development prerequisites.5. OtherAndroid [email protected] CodeProjects hosted on Google Code, most of which currently have a copy on GitHubLIBRARIES [email protected] WeeklyWeekly
NetWorkReceive in android and get the current network connection status
Now, it is absolutely difficult for an APP to survive without the network, and there will be many frequent network operations, request data, and transmit data. Therefore, we need to have a better understanding of the network status.
First, if our APP is running, if the user is disconnected and there is no network, we should prompt the u
Hello everyone, I spoke about how to get location via locationmanager in the previous section. If you have not read the previous section, you can click the following link to view it:
Android advanced tutorial 14 --- use of Android location!
One of our purposes to get location is to
, if we want to get all the songs, we can scan all the files on the SD folder, and then according to the file suffix, we can take the MP3, WMA files and so on. However, this kind of operation is very inefficient, so it is not feasible.Android system for us to build a multimedia database, then the multimedia commonly used information, such as song name, file size, play length, album, singer and other commonl
The article started in "Blog Park-Chen Shuyi", click to jump to the original "Official Dad's pain: Why Apple can receive the push, but not Android?" 》Do you remember the experiment we did last time?We get a push after the IOS device kills the process, and the Android device doesn't. This problem can be confused the small tree for a long time, this day while worki
Analysis:Originally Google official in order to give users more data protection, starting from this 6.0 version, Android removed via WiFi and Bluetooth API to the application of programmable access to the local hardware identifier. Both the wifiinfo.getmacaddress () and Bluetoothadapter.getaddress () methods will now return 02:00:00:00:00:00▲ Solution:There is a policy on the so-called, there are counterme
650) this.width=650; "Title=" Android app uses ultrasound to get user privacy Android apps use ultrasound to get user privacy "alt=" Android apps use ultrasound to get user privacy Android
Original: Uncle also said xamarin~android the click event in ~listview and get other elements of our bankI am original, I contribute, I am the storage uncleThis article Uncle original, The spirit of the love of technology to study it, the results to share to the Chinese people! Uncle always believe in a word: You only choose a job of interest, you can better play
get the picture in the asynchronous thread and then update the UI thread through the handler message.Use the Asynctask provided in Android to do this.
The specific approach is not introduced here, check the API can be, or Google, Baidu under. This is mostly local caching.
2. Local cache:For picture resources, it's impossible to
Ready to learn Android development, but the Android SDK manager interface can not be brushed out, today saw an article, immediately resolved, the original address http://qichaochen.github.io/2014/12/22/109- android-sdk-download/When one day Google can be normal access to the message can be big media, the Big V to forwa
Today in the technical summary, the way to share knowledge, personal advocating sharing.Get the package name of the foreground process in the following ways:1.android API 10-20Obtained by Getrunningtasks in Activitymanager.2.android API 21-22 ( part of the Google update package is not upgraded)Because the system disables the Getrunningtasks interface above API 21
First Introduce Yourself
The landlord immediately senior, computer water, postgraduate examination and I missed
Now in the Royal Park, a company algorithm department internship, the company is a big company, but personal hobby development
Sophomore time to write an app, mainly with a variety of frameworks
On dry Goods
Session1: Accidentally see the inside push posts, cast a resume, the afternoon hr sister call me, arrange interview selected in 3 days, but also writ
Learn how to get the unique identifier of an android device (21)
Because a stable and reliable unique device identification code is required for the project, some information on the internet is searched. We will introduce several methods today.1. DEVICE_ID
If we do need the identifier of a real device, DEVICE_ID may be used. In the past, our Android device was a
How to get started with Android Studio
Although Google has long said that we want to use android studio for eclipse say bye
But after I tried the download, I gave up. Why?
Which package will be downloaded as soon as it is started? why? Because there is a wall in tianchao
Then I found an open-source project on GitHub t
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