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A few days ago, Google officially published the Android Wear message to trigger a blockbuster in the smart wearable market. Although this ambitious project can only be used on smart watches, Google's goal is already obvious and they will specifically optimize this Android version, use as many wearable devices as pos
Experience Android Wear reason: Android Wear code has been released for a long time, has not tried, here is a compilation process and steps, if you want to try, this article assumes that the reader has been downloaded to compile Android experience, if not, please Google rela
Experience Android Wear reason: Android Wear code has been published for quite a long time. Has not been tried, here is a compilation process and steps, assuming to try. This article assumes that the reader already has the experience of downloading and compiling Android, ass
Learn about the basics of Android from 0 (2)-Explanation of the AndroidMainfest. xml fileAndroidMainfest. xml file details
1. About AndroidManifest. xml
AndroidManifest. xml is a required file in every android program. It is located in the root directory of the entire project, describing components exposed in the packa
are about 7 inches in size, and for this type of pad, you can consider directly allowing users to use the mobile version of the app (if an app is used on a 6-inch phone, there is no interface problem, which can usually be used on a 7-inch pad).Apps for mobile versions: games, video playback, graphic image processing, reading, education, or corporate office are recommended to support horizontal and vertical screens, and apps such as e-commerce or financial management can only support vertical sc
The front-end JS use XMLHttpRequest 2 upload pictures to the server, PC end and most mobile phones are normal, but in a small number of Android phone upload failed, the server to view the picture, displaying a byte count of 0. Here is the core code for uploading pictures:
Html
The code above uses Formdata to implement the form data submission. Formdata
After reading the previous books, I have a certain understanding of Linux kernel and Android. Do you want to compile your own Android source code? I am always used to using Windows, but Android source code does not support compiling on Windows. Therefore, I decided to use a virtual machine to install Ubuntu and then download
This article is mainly taken from: http://source.android.com/source/downloading.html, and added AnnotationInstalling Repo
Repo is a tool that makes it easier to work with Git in the context of Android. For more information about Repo, seeVersion Control.
To install, initialize, and configure Repo, follow these steps:
Make sure you have a bin/directory in your home directory, and that it is stored in your path:$ mkdir ~/bin$ PATH=~/bin:$PATH
Android 5.0 kernel and source code learning (2)-source code download and system startup process analysis, android5.0
I,AndroidSource code download
The last time I briefly introduced the hierarchical structure of the Android system, I started to figure it out-
Detailed analysis of resumable download for Android 2
Since a blog cannot be written, this is followed by the previous blog.
After finishing the View in MVC, we need to consider the Control layer. His task is to use multithreading in the background to implement breakpoint download.
First look at the source code:
Publi
Because the domestic network is the wall reason, according to Google provides the way to download the Android source code is difficult to download, so write down this article.1. Download and configure repo informationmkdir ~/binpath=~/bin: $PATHgit clone Git://aosp.tuna.tsinghua.edu.cn/
The use of open source framework can greatly reduce the difficulty of development, reduce the development cycle, and fewer bugs, software run more stable.Xutils IntroductionXutils contains a lot of useful Android tools.Xutils supports large file uploads, more comprehensive HTTP request protocol support (10 predicates), more flexible ORM, more event annotations support, and is not affected by confusion ...XUITLS Minimum compatible
/xlwxguanwang.apk ';//file (with Baidu Cloud test) Ofile: = Tfilestream.create (Sfilepath, fmcreate); Files saved after download the path of try progressBar1.Value: = 0; Idhttp1.Get (Surlpath, ofile); except to the end; Ofile.free; The end; the function TForm1.DownFilePath:string; The Result: = Tpath.getdownloadspath + Pathdelim; The end; Procedure Tform1.idhttp1work (Asender:tobject; Aworkmode:tworkmode; A
The following describes how to expand the disk cache of the UniversialImageLoader image download framework for Android (2 ),
Compared with the first article, this article describes the continuation of the disk cache. Here we mainly focus on four classes: DiskLruCache, LruDiskCache, StrictLineReader, and Util.
Next we will analyze them one by one. Not much nonsens
I have witnessed many upgrades in the blog Park. You also want to notify users of new features by updating your software. Yes.This article is a must-have knowledge for android Developers. It is specially compiled and summarized for everyone. It is not perfect but useful.
1. design concept. VersionCode is used to define version upgrade parameters.Android provides two attributes for our defined version:Html # viewSource "commandName =" viewSource "highl
In the previous section, we used handler, thread/runnable, URL, httpurlconnection, and so on to asynchronously download network images.
However, using this method has the following Disadvantages:
The thread overhead is large. If each task needs to create a threadProgramEfficiency is much lower.
Threads cannot be managed. Anonymous threads are not controlled by the program after they are created and started. If many requests are sent, many thread
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