android api tutorial

Original link Http://sparkyuan.github.io/2016/03/23/AsyncTask Source analysis (API 23)/reprint please indicate the sourceThe Android UI is thread insecure, and if you want to update the UI in a child thread, you must use the asynchronous operating mechanism of Android, and updating the UI directly in the main thread causes the program to crash.There are two main

Code name Version API Level Lollipop 5.1 API level 22 Lollipop 5.0 API level 21 KitKat 4.4-4.4.4 API level 19 Jelly Bean 4.3.x API level 18 Jelly Be

Android requires that each application be digitally signed before it can be used. The signature contains information such as the key, creator, and Creation Unit, and is saved in a keystore. Google map provides the map service for every registered application. application developers need to transmit the keystore fingerprint to Google to obtain the API key. When applying for the map service each time, transmi

layers that the user passes in the image. Panorama layer (PanoramaOverlay): points of interest in a panorama. You can customize the icon style.Note: In addition to the pop-up window layer, multiple instances are available for each layer. A Panorama layer is a special layer Used for a panorama.MapView uses a List to manage the covering. You can add or delete a covering to or from a map by adding or removing an instance of the above class or its base class to MapView. getOverlays. After Updating

[ASP. NET Web API tutorial] 5.2 send HTML form data: URL-encoded form data, api5.2 Note: This article is part of the [ASP. NET Web API series tutorial]. If this is the first time you read this series of tutorials, read the previous content first.5.2 Sending HTML Form Data 5.2 send HTML form data This article cited from

Android APIThe Chinese Document ImageView is the content to be introduced in this article, mainly to understand and learnAndroid APIContent, specificAndroid APIFor more information, see this article. I. Android API Structure java.lang.Object android.view.View android.widget.ImageView Known direct subclass: ImageButton,QuickContactBadge Known i

); } }Booleanimageviewreused (Phototoload phototoload) {String tag=imageviews.get (Phototoload.imageview);if(tag==NULL|| !tag.equals (Phototoload.url))return true;return false; }//used to display bitmap in the UI thread classBitmapdisplayerImplementsRunnable {Bitmap Bitmap; Phototoload Phototoload; PublicBitmapdisplayer (Bitmap B, Phototoload p) {bitmap=b;phototoload=p;} Public voidRun () {if(imageviewreused (Phototoload))return;if(bitmap!=NULL) PhotoToLoad.imageView.setImageBitmap (bitmap

Reference page:Http://www.yuanjiaocheng.net/webapi/create-crud-api-1-delete.htmlHttp://www.yuanjiaocheng.net/webapi/Consume-web-api.htmlHttp://www.yuanjiaocheng.net/webapi/mvc-consume-webapi-get.htmlHttp://www.yuanjiaocheng.net/webapi/mvc-consume-webapi-post.htmlHttp://www.yuanjiaocheng.net/webapi/mvc-consume-webapi-put.htmlNote: This article is part of the ASP. NET Web API Series

Icecreamsandwich 15 5 2011.12 Android 4.0 Icecreamsandwich Ice Cream Sandwich 14 4 AS3.0 Create a minimum sdkversion overlay of Project 100% 2011.10 Android 3.2 Honeycomb 13 1 2011.07 Android 3.1 Honeycomb 12 3 2011.05

Today's learning task: Read the main information (name and phone number) of all contacts on the mobile phone, and display it in listview Main Content involved: 1) structure and usage of the contact API 2) role of the contentprovider component, Uri concept and usage 3) create a listview and bind data 1. Structure and usage of the contact API Since Android

Platform Version API Level Version_code Notes android 4.4 19 kitkat PLATF ORM Highlights android 4.3 18 JELLY_BEAN_MR2 PLATF ORM Highlights android 4.2, 4.2.2 17 jelly_bean_m

Preface This chapter is about android. view. MenuInflater. The version is Android 2.3 r1 and translated from "zookeeper". You are welcome to visit his blog: http://www.cnblogs.com/mxgsa/. thank you again for "zookeeper "! I look forward to your participation in Android Chinese API translation, contact me over140@gmail.

Android version of the replacement, the new version brings new features, new methods. The new approach brings many conveniences, but it cannot run on a lower version of the system, and if the compatibility is not handled properly, the app will be crash on the lower version of the system. This article provides a concrete example of how to handle compatibility issues when using a method of high API level.

Transferred from: http://www.cnblogs.com/vanezkw/archive/2012/07/03/2574559.htmlThis article provides some experience sharing on how to use API documentation for Android development.1, why need to master the use of the API.Perhaps you need to complete a function many times when you are on the internet Google, because it is likely to find useful code snippets, and even do not care about the implementation of

http://blog.csdn.net/huiguixian/article/details/39928027Copy it from Android developer and leave it as a note. Platform Version API Level Version_code Notes Android 4.4 19 KITKAT Platform Highlights Android 4.3 18 JELLY_BEAN_MR2 Plat

Docker Introductory Tutorial (vii) Docker API "Editor's note" dockerone organization translated FLUX7 's Docker starter tutorial, this is the seventh in a series of introductory tutorials focusing on the Docker Registry API and the Docker Hub API.Throughout our series of Docker tutorials, we have discussed a number of

The first point to note is thatGoogle has a reason to hide some APIs ( the public class, method, or constant that adds @hide markup). The big reason for this is that the Android system itself is in constant evolutionary development.From 1.0,1.1 to the now-coming Android 2.3.4. These hidden APIs themselves may be unstable, so using a hidden API means that thep

This article is the seventh article in my "Android Audio development" series, the previous article generally describes the basic overview of the Android OpenSL ES API, which tells you what the framework has, what you can do, and what you can't do. This article focuses on some of the key design and concepts of the OPENSL ES framework and its

Android version replacement, new version brings new features, new methods.The new approach brings a lot of convenience, but it can't run on a lower version of the system, and if the compatibility is not handled properly, the app will be crash on the lower version of the system.This article shows a specific example of how to handle compatibility issues when using the High API level approach.Example: Gets the

Platform Version API Level Version_code Notes Android 4.4 19 KITKAT Platform Highlights Android 4.3 18 JELLY_BEAN_MR2 Platform Highlights Android 4.2, 4.2.2 17 JELLY_BEAN_MR1 Platform Highlights