12 powerful recommendations for the best Android development ebook and 12 android
Nowadays, mobile apps are becoming increasingly popular in the mobile Internet era. Android, as the main mobile operating system, has attracted many developers to develop applications for the Android system.
If you are developing or prepa
Android cainiao Study Notes 30 ---- use Baidu map API for Android (I) preparations and display maps in applications, and android Baidu map api
1. Preparations:
Baidu map API is open for free, but you need to apply for API Key:
1) register a Baidu developer account first
2) Enter Baidu open service platform http://developer.baidu.com/
3) enter the LBS cloud
4) C
Android Universal dot indicator-android-Universal-CircleIndicator, android dot indicator
Reprinted please indicate the source: http://blog.csdn.net/footballclub/Preface
Recently, a dot indicator needs to be added to the project. When switching pages, the open-source project viewflow and viewpageIndicator are available on the Internet, both of which have good res
Four Methods for clicking events in android, android and android
When some widgets (such as buttons) are obtained in android, click events are generally added to them. There are 4 click events in android.
Assume that the following statement is declared in the layout file:
Android Instance Illustration Tutorial Directoryhttp://blog.csdn.net/wyx100/article/details/45061407I. Course functionsThis course tells you to create a new interface and interface switch (from interface to interface).Two. Course interfaceInterface One (Start interface)Interface two (main interface)Three. Work flow2 procedures are required to complete a page switchover:1. Establish a project, see section Ii.http://blog.csdn.net/wyx100/article/details/
Android studio and genymotion android start from scratch-0, genymotion android
Presumably, the students who saw this article have installed android studio and genymotion:
And
Since then, we will learn from them. If you haven't installed it yet, you can learn from the installation tutorials in other articles. Let's
BBasic for Android-the real android BBasic Virtual Machine and Android-bbasic
About BBasic
BB is a programming environment developed by bbk basic. This language uses the Basic syntax of Quick Basic and adds some screen messaging functions. It can generate a simulator file on a PC and directly test it on a PC.
Compared with QB, most of BB syntaxes and functions
Pro Android Learning notes:
Pro Android Learning Note (166): Contact API (9): Personal profile 2015.5.27
Pro Android Learning Note (165): Contact API (8): Control integration 2015.5.25
Pro Android Learning Note (164): Contact API (7): Join Contact 2015.4.30
Pro Android
Before getting started
This is the main character of today --AIDE.
Full name:Android integrated development environment
(Reprinted fromPhodal'sBlog)
Aide is an integrated development environment for Android Java, allowing you to develop Android software and games in the Android system. It is not just an editor, but supports writing, compiling, debu
Android:
The package name is inconsistent with the package name of your project,
I thought it was a misunderstanding that the names of custom packages were different;
An error occurred while referencing the Android custom control ......)
An error occurred while referencing in xml. The reference should be fully written, and it should not be omitted from the package name to the class name.How to conf
Android cainiao study note 13 ---- Android controls (2) simple examples of custom controls, android Custom Controls
Sometimes, you may feel that the control provided by the system is too ugly, and you need to customize the control to achieve the desired effect.
The following is a reference to the first line of code.
1. Customize a title bar:
The title bar that co
Android client uploads images to the server and uses XML to transmit base64-encoded ImagesI use the httpclient of Android to send post requests. I also want to use the post method to send data. However, the data is saved during base64 decoding on the server, I did not find the cause, so I did not write it out.
The reason why a POST request is sent is that the amount of data that can be transmitted at a time
Hello everyone, this section is to share some of the Android image special effects processing tips, such as rounded corners, reflection, there is a picture scaling, drawable into bitmap,bitmap into drawable and so on.
Talk less, directly to explain today's example, this example is mainly to get wallpaper (Getwallpaper ()), and then some of the current wallpaper effects processing. Step by step:
The first step: a new
can be the interception of the image first compression, after all, the late still need to blur, that is, this image is compressed does not affect the fact that we are blurred (because to the end is blurred). In fact, when we compress the image, we find that the blur effect of the picture is different under the same blur radius, as shown in the following two figure:
The reason is: Gaussian fuzzy algorithm to determine the color of a point is through the point near the other points to obtain t
. This is a security mechanism. For Android, the final apk file contains the Dex type of file, Dex file is the class file repackaging, packaging rules are not simply compressed, but the class file inside the various function tables, variable table optimization, resulting in a new file, that is, Dex file. So loading this special class file requires a special ClassLoader dexclassloader.
Ii. the practical application of the Dexclassloader method
Suppos
Recently, read a book, called "The first line of code", is a blogger written by Csdn, an Android entry-level book, more suitable for beginners. After reading the book, feeling and hair, want to do Android development has been more than a year, but lack of systematic learning, knowledge disorganized, not organized and summarized. So, think I can try to write some articles, to my previous knowledge and work e
Summary of Android error messages and android error messages
Remind yourself of your mistakes.
[Error message][16:39:10-ApiDemos] WARNING: Application does not specify an API level requirement![16:39:10-ApiDemos] Device API version is 8 (Android 2.2)Cause:Normal operation is not affected. No API version is added to the AndroidManifest. xml file, and [16:55:04-Api
In android development, ListView is a commonly used component that displays specific content in the form of a list and can be automatically displayed based on the length of data.
The display of the list requires three elements:
1. ListVeiw is used to display the View of the list.
2. the adapter is used to map data to the mediation on the ListView.
3. The specific string, image, or basic component of the data to be mapped.
Based on the list of adapter
Android (Android) failed while building the project. There are several workarounds for Androidmanifest.xml file missing? (in summary)Eclipse New Project. Encounter this problem. Note For example the following:1, the file name is best not in Chinese.2. Do not use Chinese in the folder.3, this will not be wrong, but out of programming habits. The first letter is best capitalized.Android (
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