Android provides a downloadprovider, which is a complete download tool. It provides good external interfaces that can be called by other applications to complete the download. It also provides download, notification, and storage mechanisms.This downloadprovider is used in Android
the source code of a single projectPreviously we downloaded the entire android project, including virtual machines, sdks, and ndk. However, for many application developers, it is enough to download the android SDK source code, there is no need to download all the three multi-G source codes.Therefore, we use the SDK so
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
ProcessingFinal Handler handler = new Handler (){@ OverridePublic void handleMessage (Message msg){// Indicates that the message is sent by the program.If (msg. what = 0x1122){// Change the background color of the seven textviews in sequenceFor (int I = 0; I {Views [I]. setBackgroundResource (colors [I + currentColor]); // you can change the background color.}For (int I = 7-currentColor, j = 0; I {Views [I
Android Hacking Part 6: Debugging Android applications
In the future, we will learn how to use JDB to debug Android applications. If an Android Application can be debugged, we can inject and run our own code in the Process of the application.
Background
This article is not e
Android Blog client (6) OnItemLongClickListener for Blog, News and Comment, android Blog
Project address: https://github.com/ZhangTingkuo/AndroidCnblogs
Add a long-press event for the ListView in the blog, news, and comments, and quickly go to the corresponding page.
1. Blog: View content, comments, and authors.
2. News: View content and comments.
3. Comments: Re
Android Application optimization (6) tools and android application tools
This article describes several tools used for performance analysis on Android, all of which are provided by the SDK. Each tool is powerful enough for your analysis and use.
TraceView
This tool SDK document is more casual, so I will talk about what
" menu in the pop-up "ubuntu Software Center" dialog box, the "software sources" dialog box 2 is displayed.
Figure 2 "software sources" dialog box
In the "software sources" dialog box shown in 2, select the "other" option in "Download from. The "chose a download server" dialog box shown in Figure 3 is displayed.
Figure 3 "chose a download server" dial
BackgroundI believe you are no stranger to Android studio, Android Studio is Google I/O Conference for Android Development of new development tools, many open-source projects are already in use, Google's update speed is also very fast, Clearly feel that this is the future of Android development, then we have no reason
Android development-obtain and download network resources asynchronously-download images and text content1) Get the corresponding stream from the specified URL. To obtain network resources, you must first have a URL. Here, I first encapsulate an InputStream stream Stream Obtained by opening the URL Connection, in this way, you can use this interface to retrieve s
Android custom View (6) ------ high imitation Huawei honor 3C circular scale diagram (ShowPercentView), android high imitationWhy write this article:
Display the proportion of the current capacity to show the progress of the current plan. The percentage is usually used, and the graphic display, with its clear intuition and pleasing appearance, it is our first cho
the Internet said that to compile Android source code, the minimum version of Ubuntu is 8.04. Once downloaded, the installation is always installed by default.4. Install the Git tool. Android source code is managed using Git tools, which is a distributed source control tool compared to SVN, and SVN is a centralized source control tool. To install the Git tool, execute the following command on Ubuntu:[email
) {System.out.println ("The song information is empty and cannot be downloaded");return null;}else {System.out.println ("encode=" +encodenode.gettextcontent ());}if (Lrcidnode = = null) {System.out.println ("lrcid = = null");}else {System.out.println (Lrcidnode.getnodename ());}if ("Lrcid". Equals (Lrcidnode.getnodename ())) {System.out.println (Lrcidnode.gettextcontent ());Lrcid = Lrcidnode.gettextcontent ();}else {System.out.println (Lrcidnode.getnodename ());}Get the value in encodeString Tem
, I did not control, installed Sequoyah, encountered problems also solved, but the project was broken, so the second I did not install, anyway I do not use.Second, import opencv-android-sdkThis is the most painful place for bloggers, because there is no successful import, so all kinds of suspicion before the configuration is not incompatible, etc., tangled with a variety of written non- Cygwin blog in the Lib and sample import method, no success, fina
Analysis: This problem has not encountered before, and do not know what reason, directly to the online query, open www.stackoverflow.com, enter the keyword to query questions, we enter "Android SDK content loader 0%", the query results are as follows:We found the answer with the highest number of votes:Here are the effective workarounds that I've found:1. First make sure that Eclipse is closed. If Eclipse i
Android from hardware to application: step by step to step 6, android step by step
Create an Android Application Project: Use the Android plug-in ADT of Eclipse to create an Android project named Gpio. After the project is created
A number of third-party jar packages were introduced into the project, resulting in more than 65,536 calls (Dex 64K problem), which led to Dex's inability to generate the apk file.The solution is as follows:1, the official Google has given the relevant documents, referring to the online search information, first of all, my question is:Error:execution failed forTask ':d uchazhushou:dexrelease '.>com.android.ide.common.internal.LoggedErrorException:Failed to run command:c:\users\jeff\appdata\local
/
C) modify the repo file and REPO_URL)
Sudo gedit ~ /Bin/repo
Modify the URL in this file (this is from Tsinghua University)
REPO_URL = 'git: // aosp.tuna.tsinghua.edu.cn/android/git-repo'
Step 3: Initialize repo and start downloading
Mkdir anroid
Cd android
Git config-global user. email "youremail@jileniao.net"
Git config -- global user. name "Your Name"
Repo init-ugit: // aosp.tuna.tsinghua.edu.cn/
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