Brief introductionIn Android apps, images consume a lot of resources, but they provide a good visual experience for applications. Fortunately, Picasso provides a very easy way for your app to load images-usually one line of code can be done!Picasso.with (context). Load ("Http://i.imgur.com/DvpvklR.png"). into (ImageView);Picasso handles many of the pits loaded by Android tablets:1) in adapter, the recycling
downloadprovider.Detailed analysis documentui--data display ChapterDocumentsui is a visible program, but even so launcher does not have a direct open Documentsui entrance. Its entrance is generally two:
The "Download" app on the launcher
Be aroused by other apps (the app that is called after the SMS click Add Attachment is Documentsui)
Here we only analyze 1 this situation, the situation 2 words interested students can learn for the
Today we have compiled 16 of the most popular Android Apps, mainly based on the download volume of 2013 of users, which is sufficient to prove their popularity. If you haven't installed them yet, try it now!
Address: http://thetop16.com/top-android-apps-169.html
1. Facebook (Social)
Keeping up with friends is faster t
Aosp on mako (Click ANDROID 4.4 source code package on nexus 4-download/configure/compile/flash)Aosp on mako (Click ANDROID 4.4 source code package on nexus 4-download/configure/compile/flash)Special thanks to the official google documentation and AOSP source codeReference link:Https://source.android.com/source/buildin
Common Intent usage in Android-Part 1 (source code download)
Send SMS
When sending a text message, the action we want to use isIntent.ACTION_SENDTOAnd the URI issmsto:Protocol to ensure that the SMS application receives and processes our intent objects, rather than other applications, so as to accurately send SMS messages. If our action is notIntent.ACTION_SENDTO,Intent.ACTION_SENDAnd is not specifiedsmsto
Android: Introduction to asynchronous task asyncTask and download image of asynchronous task (with progress bar)
Why use an asynchronous task?
In android, the ui can be updated only in the main thread, while other threads cannot directly perform operations on the ui.
Android itself is a multi-threaded operating system.
, I will add these features as soon as possible. In addition, Blog reading by category and knowledge base may all be required for the next version.
3. There are more than three online manuals: jquery manual, CSS quick query manual, and regular expression quick query. I have updated some of the content, but due to time issues, most of the content is not updated, therefore, if you are an enthusiastic Park friend, contact me and I will give you background management permissions.
4. If you have any
Android intermediate multi-thread download
15:50:49
If multi-thread download is required, the same file must be written to any location. in Java, such a class can be written to randomaccessfile.. Multi-threading allows you to split a file into multiple sub-disconnections. Each thread only needs to download a file. Effe
AOSP on MAKO (swipe Android 4.4 source bundle on Nexus 4-download/configure/compile/Brush)Special thanks to Google official documents and AOSP Open sourceReference Links:https://source.android.com/source/building-devices.html (official source brush device)Https://developers.google.com/android/nexus/drivers#makokrt16s (Hardware driver package, such as just run the
The Download manager is introduced in android 2.3 as a service to optimize the processing of long Download operations. Download Manager ensures that each Download is successful by handling HTTP links, monitoring link changes, and system restart.
When you use Android Studio to create a new project, you will find that you cannot download Gradle-0.8.3.jar (and possibly other versions) as follows:
Gradle:download:http://repo1.maven.org/maven2/com/android/tools/build/gradle/0.8.3/gradle-0.8.3.jar
The program has been stuck, but you can just open this address to see
ADB is a 10 thousand-capable tool that allows you to manage the status of Android devices. For more information about ADB, see: http://developer.android. com/GUIDE/developing/tools/adb.html.
ADB has the following functions:
Download and install the APK application on the host and start running on the target device;
Start the shell of the target device on the h
When talking about http, you must understand the URI and URL.
URI (uniform resource identifier) unified resource identifier;URL (uniform resource location) unified resource locator (or unified resource Locator );
It can be understood that a URL is a subset of a URI, and a URI is an abstract identifier. a url can be understood as a specific Identifier. A unique URL can be found as long as it is a resource on the network.
Directory structure
Key code
HttpUtils. java class
Package
Android download starts QQ browser by default// Built-in QQ Browser// Add the following function to the first activity started by the Program:// Set the default browser to QQ.Private void setBroser (){PackageManager packageManager = this. getPackageManager ();String str1 = "android. intent. category. DEFAULT ";String str2 = "
Download Manager was introduced in Android 2.3. As a service to optimize the processing of long-time download operations. Download Manager ensures that every download succeeds by handling HTTP links, monitoring link changes, and system startup.Download the file;public void F
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.