plug-in: Android Development tools (ADT), the Android Developer KitOpen the Help-install new software pop-up interface as follows, then click Add Pop-up Interface: Name to fill ADT, path to select local download good ADT Jar file, click Next. When installed, you will be asked to restart Eclipse,eclipse and intelligently associate it with the Android SDK in the
Android Development notes-personalized TextView (Sina Weibo), Android textview
In the past few days, I have been writing a Sina Weibo client. When processing Weibo information, I have to deal with keyword highlighting and Weibo expressions. I have checked some information and decided to record something.
Let's take a look at the following:
For example, the # top
Android development art Exploration Study Notes (6), android art Exploration
Chapter 6 Drawable of Android
Advantages of Drawable: it is easy to use, which is lower than the cost of custom view. Non-image Drawable occupies less space, which helps reduce the size of the APK installation package.
6.1Drawable Introduction
Android Development notes-Summary of Handler (I) and Android handler
Next, I wrote "android Development notes-about the use of AsyncTask". Today, I am going to talk about another Asynchronous Operation Handler in Android developme
display the user interface, they can create status notification bar notifications that alert users when a broadcast event occurs. But the more common use of broadcast receivers is simply as a "channel" to other components designed to perform a very small amount of work.For example, it might initiate a service based on an event to perform a task. Before the Android system launches the application component, the system must verify that the component ex
Android Development Review notes-TabHost component (1) (implement menu navigation at the bottom), Android tabhost
What is TabHost?The main function of the TabHost component is to manage applications by category. For example, you can see a graphical interface when using a windows operating system.
When talking about this component on the TabHost tab, you have to g
Share the previous scattered notes. Please correct the mistakes.
Android: allowtaskreparenting
Whether to allow the activity to change the subordinate task, such as switching from a short message task to a browser task.Bytes --------------------------------------------------------------------------------------Android: alwaysretaintaskstate
Wh
Analysis of Android source code design patterns Reading Notes-design patterns you should know in Android
On and off, I also read the Android source code design pattern parsing. Many design patterns are mentioned in the book, but some of them are very likely to be seen in development, so it does not have much impact i
A simple record of notes, specific can Baidu!Android SDK (software Development Kit)-Android software Development Kit, which is a collection of Android software, documentation, examples, tools for the development of software for Android operating systems.Android NDK (Native d
Android learning notes -- Sqlite database, android -- sqlite
I learned about data storage in Android a few days ago, including file storage, SharedPreferences storage, and the feature of Acndroid: SQLite database storage. I was surprised that a lightweight SQLite database was embedded in
Intermittent, "Android source code design mode analysis" also read, the book mentions a lot of design patterns, but some in the development of the odds are very small, so can not master nor too much influence.
I think the maximum value of this book is two points, one is from the point of view of design mode to understand the Android source code, combined with the daily development of common classes, the
use the definition of the system.
In Android. in the provider package, you can view native providers, such as alarmclock, browser, calendarcontract, calllog, and contactscontract (including contacts, groups, and phonelookup) mediastore (Audio "albums, artists, genres, playlists", files, images, and video) and setting.
Read information through content providers
We use native provider contacts to see how to read information. The data structure of conta
floor)Understanding the above, the development of the Android platform has a very clear concept, that is, Android development mainly includes: application development, system development and drive development, application development and system development mainly use the Java language, and need to have a clear understanding of the application framework and operating principle While driver development requi
Document directory
Preface
Body
End
Preface
In the previous section, we used a demo to familiarize ourselves with the basic use of Eclipse, how to run it in simulators and mobile phones, and how to package it into an APK, but did not write the code in detail, I believe many of you can't afford it anymore. In this section, we will write code to familiarize ourselves with the situation of Android SDK and some java features.Statement
This series of
incorrect or there is no match. Open the Android.mk file under the Jni folder for the current project, which is the configuration file that is used by C/s + + compile, and we can see that the path to opencv.mk must be under the OPENCV_ANDROID_SDK directory, or in the same directory as the current project file: so the solution to this problem is to add a opencv_android_sdk path configuration constant on the environment page of the C + + build:Third, the case operation:after all of the above conf
, preventing a large number of threads from competing for system resources and causing clogging.
15.1.7 Some performance tuning recommendations
Avoid creating too many objects
Do not use enumerations too much, the enumeration takes up more memory space than the shaping
Constants can be modified with static final
Use some Android-specific data structures, such as Sparsearray and pair. They all have better performance.
Prop
, and then tick Enabel project specific settings selected. Then select the factory Path under annotation processing:Also tick Enabel project specific settings, then click Add JARs, add the jar under Compile-lib under the folder, then apply, then OK. This will enable the use of this Android annotations open source jar package.The following is a simple explanation of how and how to use the effect, you can compare with your original
[Android Notes] use of ExpandableListView, Android listview
Effect:
Expanded ListView
In fact, there is no difference with the normal ListView, but the ListView is changed to ExpandableListView, And the adapter is changed from BaseAdapter to BaseExpandableListAdapter.
Steps:
1. Write the layout file.
There are three types: Master Layout, group layout, and g
environment for the Android NDKAndroid NDK needs to have Android SDK to use, it is not a standalone application. This environment is easier to build than the Android SDK.4. Install cross-compilation environmentThe CPU of the X86 architecture employs a complex instruction set computer, and the CPU of the ARM architecture uses a thin instruction set computer. In o
1. Nesting a layer, using the content of the margin or padding to the background of the container to achieve the border effect.
In fact, this is very simple, very early in the time we also use table to do HTML page layout, we are using cellspacing to implement the table's border. Now we are using the same idea to achieve it.
Android implementation of the Border effect scheme a
Where padding produces white, it creates a border-like effect.
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