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Compile the android-2.3.3_r1 instead of the latest version to fl the system to the Development Board. An error occurred while extracting the system source code provided by the Development edition, which caused me to download the source code and compile it.
1. The source code can finally be downloaded at last night. Go
Starting with Android 2.3 (API level 9), Android uses system Services (service) to provide download Manager to optimize the processing of long-time download operations. Download Manager handles HTTP connections and monitors status
After android2.3, the Android system provides a system component that can be used by other app apps to download things that are easy to use.
For example, we can download the new version of the app apk while registering a broadcast receiver to receive the broadcast from Down
I. Overview
As we all know, the Android mobile operating system is launched to all corners of the world on the premise that Google has spent a lot of financial, material, and manpower to openSource code(Of course, it is not completely open to all), so that it can be quickly extended around the world. Although it is only in year 34, it is not necessary to elabor
A recent study of multi-threaded download, wrote a demo. It may help others to sort it out.Multi-threaded download generally open two to three threads. It's a waste of time to assume that too many threads will waste time on thread switching. Too many threads is not a good thing.The principle of the words to see my also a blog post, in fact, the code is ported to the And
, the mobile phone fastboot status Unclose% fastboot OEM unlockWatermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqv/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70/gravity /center ">Brush the machine!% CD out/target/product/maguro% fastboot flash boot boot.img% fastboot flash system system.img% fastboot Flash userdata US Erdata.imgFor example, with:Watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqv/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dissolve/70
Recently researched multi-threaded download, wrote a demo, finishing down, may be helpful to others.Multi-threaded download generally open two to three threads. If there are too many threads, time can be wasted on the thread switching, which is a waste of time. Too many threads is not a good thing.The principle is to look at my other blog post, in fact, the code is ported to the
);//set Display Download interface -Requestapk.allowscanningbymediascanner ();//indicates that Mediascanner is allowed to scan to this file, which is not allowed by default. -Requestapk.settitle ("xxx update download");//to set up a notification bar in the download prompt message -Requestapk.setdescription ("xxx update downl
Android system source code download and compile1 First of all your jdk and GIt is already installed successfully. (Baidu ) 2 If you are using a Ubuntu64 system, you need to install the package:(Other ubuntu systems have different downloads, see the official website document https://source.android.com/source/ initiali
download process encountered problems3rd step need to access Google services can choose to flip the wall, Bo is a free kuai500, use can also http://www.kuai500.comYou will also encounter DownloadError:android.googlesource.com during the download: This is Google in order to avoid the source server is illegal attack, Google by default to the anonymous user download
Download the High-imitation QQ source code (android front-end + JAVA background + spark
A openfire (XMPP + open source code );
B. android front-end source code (similar to QQ's high UI );
C java background source code (HTML5 on the UI );
Dspark (for windows );
Get: do not enjoy the income of labor
The system is mai
Recently, with an eye on the attention and research of android4.0, the first time I put the source code of android4.0 down is only a matter of time, so I was not able to record the process as soon as possible. Today, I will write it down as soon as it is richer, I hope to give a simple reference to the heat engine friends who are burning on the Android platform and haven't obtained relevant resources in time. Well, if you don't talk much about it, I j
Refer toArticleIs summarized as follows:
1. System Environment: ubuntu10.10-64bit
2. Install git
$ Sudo apt-Get install Git-core
3. Install curl
$ Sudo apt-Get install Git-core curl
4. Create a repo directory, open the command line, and enter
$ Mkdir ~ /Bin $ Path = ~ /Bin: $ path
5. Click this URL to download the latest repo script.
My repo-1.14, saved in the bin directory
Recently, with an eye on the attention and research of ANDROID4.0, the first time I put the source code of ANDROID4.0 down is only a matter of time, so I was not able to record the process as soon as possible. Today, I will write it down as soon as it is richer, I hope to give a simple reference to the heat engine friends who are burning on the ANDROID platform and haven't obtained relevant resources in time. Well, if you don't talk much about it, I j
The remix OS system, built by three former Google engineers, has finally arrived on the PC desktop and is now ready to download.The Remix OS for PC is based on the Android-x86 project, customized by the Android 5.1 lollipop depth, not only compatible with all Android apps and games, but also adds a variety of usage fea
Maybe we all know when we download the image to the Android phone, and then call the system library to open the picture, prompting "cannot find the specified item".That's because the images we've inserted haven't been updated, so just plug the pictures into the system gallery and then the clockwork broadcast will be OK
boolean Oncreateoptionsmenu (Menu menu) {//Inflate the menu, this adds items to the action Bar If it is present. Getmenuinflater (). Inflate (R.menu.main, menu); return true; } @Override public boolean onoptionsitemselected (MenuItem Item) {//Handle Action Bar item clicks here. The action bar would//automatically handle clicks on the Home/up button, So long/As you specify a the parent activity in Androidmanifest.xml. int id = item.getitemid (); if (id = = r.id.act
); Intent.putextra ("Return-data",true); Startactivityforresult (Intent, head_image_zoom); }}The above code gets the return value of the process, using three methods, the detailed implementation of the time is only one way to do. The third way is recommended.It is worth mentioning that. This small project needs to add a privilege value to the configuration file:uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>Error without this permission!This small project is use
way. The third way is recommended.It is worth mentioning that the small project needs to add a permission value in the configuration file:uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>Error without this permission!This small project is very practical, most of the apps have access to the user's avatar, the user's avatar settings, so we can refer to, if there is anything wrong place, please actively message exchange, common progress! Thank you! HandshakeSource code
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