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friends who wish to transplant the kernel:(After reading the Benno porting process, I feel that even if you can compile the kernel opened by Google, it is not very significant, because this kernel includes many things to support qemu, the Code seems to be meaningless to friends who want to transplant to a real machine, but rather a hindrance ). 1) load the tool chain used for cross-compilation from codesourcery:Http://www.codesourcery.com/gnu_toolchains/arm/download.htmlHere I choose-> arm GNU/
This article is a summary of this chapter in Deep Exploration for Android-HAL and driver development, recording your own learning. The Android Source Code contains many things, such as applications embedded in the Android system.(Photos, calculators, calendars, Dialers, etc.) source code, Android SDK with various tool
Android/java http multi-thread breakpoint download (with source code) First look at the project structure: The multi‑thread http breakpoint download involves several modules, such as databases, multithreading, and http requests. It is not difficult to find out many things. Next, I will share my practices with you. I. first look at MainActivity. java Member varia
Reprint Please specify source: http://blog.csdn.net/l1028386804/article/details/46883927I. OverviewSpeaking of downloading files from Android. The Android API clearly requires time-consuming operations to be run in a sub-thread, and the download of the file will undoubtedly take a while. So you want to put the
); mButton = (Button) findViewById (R. id. button); mButton. setOnClickListener (new OnClickListener () {@ Overridepublic void onClick (View v) {// AsyncTask asynchronous download task mDownloadAsyncTask = new AsyncTaskUtil (MainActivity. this, mhandler#;mdownloadasynctask.exe cute ("http://apps.wandoujia.com/apps/com.sec.print.mobileprint/download", "Mobile Print.apk"); // two parameters must be input -- p
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 Downloadmanager when the download is complete, an
Document directory 1. Install JDK 2. Install the compilation tool 3. Create a working directory 4. Install the repo version management tool (based on Git-based development to facilitate git Resource Management) 5. Prepare to download the android source code. 6. configure a repo account 7. Download the source code of
efficiency of multiple threads slows down (assuming that the speed is roughly the same). So in the implementation of multithreading to download the same task when we need to understand the truth. Let's take a look at an additional picture. This diagram is actually very simple to illustrate the principle of the ... We divide a task into several parts. Then open a number of threads to download the corres
Original reproduced from: http://qdevarena.blogspot.com/2010/05/download-android-sdk-standalone-for.html How to install the Android SDK without Internet connection? I searched the internet and found no posts like this, hence I ' m making one hoping it would is helpful for a lot O F people. The Magic URL Is-http://dl-ssl.google.com/
Android application check version update, download in the notification bar, update download progress, download complete automatic installation, the effect is as follows: • Check the current version number The Versioncode in the Androidmanifest file identifies the version
@ 3.816. set an appropriate per-process file descriptor limit. To do this, add the following lines to your ~ /. Bash_profile:# Set the number of open files to be 1024Ulimit-S-n 1024 Installing RepoRepo is a tool that makes it easier to work with git in the context of Android. For more information about repo, see using repo and git.To install, initialize, and configure Repo, follow these steps:1. Make sure
1: Download the main Android Branch Repo init-u https://android.googlesource.com/platform/manifest 2: download other android branches Repo init-u https://android.googlesource.com/platform/manifest-B android-4.0.1_r1 3. view the
) {e.printstacktrace (); Read the picture public static Bitmap readimage (String URL) {if (!ismounted ()) {return null; File File = new file (cache_dir,getfilename (URL)); if (file.exists ()) {return bitmapfactory.decodefile (File.getabsolutepath ()); return null; //Empty cache directory public void Clearcaches () {
Android Simulator Source DownloadThe download of the source code of Android Simulator is similar to the download process of Android AOSP Source Library, you can refer to Google's official Android Source
(Android.os.Environment.MEDIA_MOUNTED)) {Toast.maketext (this, "SD card is not ready!") ", Toast.length_short). Show (); Break //Get the system picture storage path, File path = Environment.getexternalstoragepublicdirectory (environment.directory_pictures); Make sure the Pictures directory exists. Path.mkdirs (); Generates a picture name based on the current time Calendar C = calendar.getinstance (); String name =
WORKING_DIRECTORY 3. initialize the source code Repo if the latest code is downloaded, then: repo init-u https://android.googlesource.com/platform/manifest If you download the code of a specific Android mature version branch, add the-B parameter, for example, the latest android 4.4 branch code: Repo init-u https://android.googlesource.com/platform/manifest-B
Reprint Please specify source: http://blog.csdn.net/l1028386804/article/details/46883927I. OverviewWhen it comes to downloading files from Android, the Android API explicitly requires time-consuming operations to be executed in a sub-thread, and the download of the file is no doubt a lengthy one, so the
Web developers have such questions: how to send a file, especially a known type of file, to the client and directly prompt the viewer to download it, instead of using Program Open. In the past, the most common method was to add such a file to the link, so that the
frameworks hardware libcore makefile ndk out packages prebuilt SDK System Android4.01 kernel kernel3.0 download$ Git clone http://android.git.kernel.org/kernel/common.git$ Git branch-$ Git checkout remotes/ORIGIN/Android-3.0 ----------------------------------------------------------------[2] compilation of Android ICs---------------------------------------------
This case is to implement multi‑thread breakpoint download of an object, that is, after a part of the object is interrupted, you can continue to download the object with the current progress and display the progress through the progress bar. That is to say, when the file starts to be downloaded, the local file with the
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