Android quick development framework: ThinkAndroid (Appendix ),
ThinkAndroid contains Android mvc, simple sqlite orm, and ioc modules. It encapsulates the http module in Android httpclitent and has the ability to quickly build File Cache without considering any format of files, you can easily cache images, the oom problem can be easily solved when images are loade
download status, default to stop the success, that is, download completed, and ready to start downloading * * * private static int currentstate = state_stoped; /** the number of threads open for downloading a file */private final int thread_num = 4; /** Download all thread information for a file */priVate arraylistPoke me
Android provides a tool class: Asynctask, which makes it easier to create long-running tasks that need to interact with the user interface. Asynctask is more lightweight than handler, and is suitable for simple asynchronous processing without the need for threading and handter. Asynctask is an abstract class. Asynctask defines three types of generic type params,progress and result:The params input parameter that initiates the task execution, such as t
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
(Recommended)
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Android-sdk_r24.4.1-windows.zip
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Android-sdk_r24.4.1-macosx.zip
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Linux
Android-sdk_r24.
method returns a Intent through the package name and then launches the application via StartActivity (Intent)
Full Instance code click here Download the site .
The following is a diagram of how the program works:
More interested readers of Android related content can view the site: "Summary of the use of Android controls," "The Summary of
This article describes the Android implementation based on sliding SQLite data paging loading technology. Share to everyone for your reference, specific as follows:
Main.xml is as follows:
Mainactivity.java is as follows:
Package com.example.testscrollsqlite;
Import java.util.ArrayList;
Import Android.app.ActionBar.LayoutParams;
Import android.app.Activity;
Import Android.os.Bundle;
Import android.view.Gravity;
Import Android.view.
install zip curl libc6-dev libncurses5-dev: i386 x11proto-core-devsudo apt-Get install libx11-dev: i386 libreadline6-dev: i386 libgl1-mesa-dev: i386sudo apt-Get install g ++-multilib mingw32 openjdk-6-jdk tofrodos Python-markdownsudo apt-Get install libxml2-utils unzip tproc zlib1g-dev: i386
There should be no problems.
6. Install Repo
Cdmkdir bincurl https://dl-ssl.google.com/dl/googlesource/git-repo/repo> ~ /Bin/repochmod A + x ~ /Bin/repoalias repo = "~ /Bin/repo"
If we need to run th
I downloaded the android source code in ubuntu for several months on and off. I hope you will not learn from me! One-time processing!
Here are some suggestions for you. If you are reading a book, the date of reading the book is basically invalid for more than one year. The online version is also unavailable, especially in China.Step 1:
Change hosts
This step may not be necessary, but in case it is changed, there is no loss!
$sudo gedit /etc/hostsAdd
last download of the place to downloadwhile (len = Is.read (b))! =-1) {raf.write (b, 0, Len); total + = Len; SYSTEM.OUT.PRINTLN ("thread" + threadId + "downloaded" + total);//Set current progress, is the sum of 3 threads currprogress + = len;pbar.setprogress (currprogress );//update the text by sending a message. The progress bar does not need to refresh the UI by sending a message, because the progress bar itself is a handler.sendemptymessage (1) us
Update the SDK today and encounter an update download failure issue:Fetching Https://dl-ssl.google.com/android/repository/addons_list-2.xmlFetched add-ons List successfullyFetching Url:https://dl-ssl.google.com/android/repository/repository-8.xmlDone loading packages.Fetching Https://dl-ssl.google.com/android/repositor
Android4.0 was released. It may be too popular. The download speed is extremely slow. I found the SDK directly and did not dare to hide it in private. I would like to share it with you.
Plaform address: https://dl-ssl.google.com/android/repository/android-14_r01.zip
Sample address: https://dl-ssl.google.com/android/rep
Some time ago, because Android betrayed GNU and the idea of freedom and open source pursued by Linux, it kicked out the main line of Linux source code. In addition to the recent adjustments made by kernel.org to black and Google for android, there are various reasons. The method for downloading the android source code is invalid. The original source code for down
http://source.android.com Step 1. Configure the Android build environment according to Http://source.android.com/source/initializing.htmlhttp://source.android.com/source/downloading.html configuration good repo, approximate steps are as follows$ mkdir ~/bin$ Path=~/bin: $PATH$ curl Https://dl-ssl.google.com/dl/googlesource/git-repo/repo > ~/bin/repo$ chmod a+x ~/bin/repo$ mkdir working_directory$ CD Working_directoryThe above command is no longer expl
Solution to Android SDK download and update failure
When you use sdk manager to update the sdk, you may find the following error message during the update process:
Fetching https://dl-ssl.google.com/android/repository/addons_list-2.xmlFetched Add-ons List successfullyFetching URL: https://dl-ssl.google.com/android/repo
The first download to install the Android SDK failed:Fetching Https://dl-ssl.google.com/android/repository/addons_list-2.xml fetched add-ons list successfully fetching Url:https://dl-ssl.google.com/android/repository/repository-8.xml done loading packages. Fetching Https://dl-ssl.google.com/
In Android, for multi-threaded operation is very ordinary, so the more understanding of multithreading, then for their own program can be very good runThis is also an important point of knowledge for Android development, so let's now look at how multi-threaded download works.Android Multi-Threaded downloadMulti-Threaded Downl
After the release of the latest android4.0 source code, I believe many people are eager to try it like me. In fact, the download and compilation of 4.0 code are similar to those of previous versions, but there are some minor differences, write it down for reference by beginners who do not know the truth
First of all, in the development environment, google recommends that you use ubuntu10.0.4 and preferably 64-bit. Since it is for work and study, follo
After the release of the latest android4.0 source code, I believe many people are eager to try it like me. In fact, the download and compilation of 4.0 code are similar to those of previous versions, but there are some minor differences, write it down for reference by beginners who do not know the truth
First of all, in the development environment, Google recommends that you use ubuntu10.0.4 and preferably 64-bit. Since it is for work and study, follo
Android Basics Getting Started tutorial--7.5.4 webview file Downloadtags (space delimited): Android Basics Getting Started TutorialIntroduction to this section
This section introduces you to the knowledge of WebView download files, when we are using a common browser, such as UC,When we click on a downloadable link, it will be downloaded, webview as a bro
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