Android learning notes: AsyncTask implements file download tasks. androidasynctask
(1) This file is mainly used to demonstrate how to download images from Asynchronous tasks.
(2) The layout code is as follows: An ImageView is used to store the downloaded image, and a Button is used to start asynchronous task download.
This article is mainly divided into 2 parts . The 1th part describes how to download the source code for the Android SDK , and the 2nd part describes how to add the source code of the Android SDK to eclipse .
1th part How to download the Android SDK source code
1, environm
Before analyzing the Android source code, you must first learn how to download and compile the system. This chapter will give the reader a complete view of the Android source download process, common problems and processing methods, and from the developer's perspective to understand how to properly compile the
in a unified manner, this makes git easier to use.
In order to get the latest sourcecode of Android, William Learned some basic operations of git and repo, sorted out how-to for how to get the android code, and pasted it today.
1. Install git
Download the latest gitsource code package from http://git-scm.com/and decompress:
# Tar-xjf git-1.6.3.3.tar.bz2
Compile
The author tries to download, compile and run the Android source code and the kernel source code according to Luo Shenyang Teacher's "Android system source code Scenario analysis" book. But it could be the reason that the software source was "walled" or updated, and there were many issues during the period. The author turned to the powerful Niang and Google, fina
Google official download source used by the system Ubuntu system, but now we need to download the Android source code files in the Windows system.The address of the website is: https://android.googlesource.com/It includes all the parts of the Android system source code, we just need to
Android multi-thread Analysis 5: Use AsyncTask to asynchronously download images and androidasynctaskAndroid multi-thread Analysis 5: Use AsyncTask to asynchronously download images
Luo chaohui (http://blog.csdn.net/kesalin) CC license, reprinted please indicate the source
In the first article in this series, "Android
confirm: https://accounts.google.com/ServiceLogin
Can fq!! At least you can browse Google and Android source code smoothly.
After a few confirmations, you can initialize the client.First, to create a folder and switch to that folder, such as$ mkdir android4.0.1$ cd android4.0.1Second, execute the following command in order to be able to call the repo command successfully:$ Path=~/bin: $PATHThen execute the following command:$ repo init-u htt
As we all know, it is not easy to visit the Android website, here I copied the page, with the necessary links. In fact, as long as the link offline to Baidu Network disk (or use I have Baidu network disk link), or with thunder to download, the speed is very fast. Link: http://pan.baidu.com/s/1qWyS1Z2 Password: 2CVHSystem Requirements
Windows
Microsoft? Windows? 8/7/vista/2003 (+ or 64-bit)
Android SDK is an important part of building Android development environment, today summed up the Android SDK (please use thunder download):Revision 23.0.2Http://dl.google.com/android/android-sdk_r23.0.2-windows.zipHttp://dl.googl
Today the company idle a Mac-mini heavy installed under the system feel with the speed is good, usually work with the machine USB some problems, so plan to use this Mac. IntelliJ idea was used in the past, but the project referred to too many jar packages and was limited by Android Multi-dex, so I used Android Studio as a sub-package. Next we have to download
From Android Studio 1.0 to the world,Want to use Eclipse to launch Android, but because Android's official internet Android Developer (http://developer.android.com/sdk/index.html)The Eclipse ADT Bundle (also known as the Eclipse ADT Integration Pack) is not available for download,So to start
After reading a lot of examples of downloading text, I thought it was not easy to understand. I wrote a simple and easy-to-understand code.
Package COM. example. demodownload; import android. app. activity; import android. app. progressdialog; import android. OS. bundle; import android. OS. handler; import
Turn from:Sync, update, download Android Source SDK from the domestic mirror stationDownload the android source from China mirrors????Previously all from Google's site download synchronized updates, but now has a domestic mirror site is much betterHelp? https://wiki.tuna.tsinghua.edu.cn/MirrorUsage/
I. Preparations
1. Download The msysgit Tool
Git client program in windows,: http://code.google.com/p/msysgit/
See:
2. Install the msysgit Tool
See:
3. Create a folder on the disk
To store the android source code downloaded by the GIT tool, see:
4. Open the GIT command line window
Right-click the newly created folder, see:
For the GIT command line window, see:
Ii. Start
Revised version-android simulator SDK 2.3 download and installation tutorial
The first statement is post.
1. First download the latest SDK 2.3 File
Windows: android-sdk_r08-Windows. Zip: http://dl.google.com/android/android-sdk_
For a layman like me who doesn't know much about Unix systems, the source code of Android must be suffering. After a whole day of failure, I finally successfully downloaded it after finding someone else's most recent tutorial. First, provide the original text:
In the past two days, we have started to prepare the source code compilation. In this case, we will record the process so that we can easily back up the source code and hope it will be help
I. Overview of the problem
In Android development, the ability to download files, such as app version updates, is often used. After API Level 9, the Android system provides us with the Downloadmanager class, which is a system service provided by Android, which we complete with the file
Path = $ home/bin: $ path
$ Source. bashrc
$ Curl http://android.git.kernel.org/repo> $ home/bin/Repo
$ CD $ home/bin
$ Chmod + x Repo
3. Export the android Project
$ Cd
$ Mkdir android
$ CD android
$ Repo init-u git: // android.git.kernel.org/platform/manifest.gitComplete the prompt configuration, so that the directory we created has been linked to the Google
I. Downloadmanager class description:
A download management class has been added since Android 2.3. You can find Android. App. downloadmanager In the SDK documentation. The download management class can process multiple HTTP download tasks for a long time. The client only ne
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