android 5 1 tablet

After several days of attacks, android should be an entry point. Now let's review it and give it to those who need to learn android.I used to learn C ++ embedded systems and write programs under wince. I have never done anything about java. I spent half a day browsing the java syntax and watched a video about environment setup, project establishment, and activity introduction in "Lao Luo android development

[Video] Secrets of Embedded Linux/Android driver development (1) Touch Screen driver development and android driver development Secrets of Embedded Linux/Android driver development (1) Touch Screen driver development Topic Introduction: Since samurst invented the world's fi

能回收很少的对象，一般使用的是标记整理或者标记清除算法In the above way, the whole process of GC has reached the most efficient state.It is important to note the use of replication algorithms in the generational recovery algorithm.The previously mentioned replication algorithm is to divide the memory into two, but in the generational recycling is not so, but according to Eden:survivor A:survivor b= 8:1:1, the specific process is (simp

Preface Here we have accumulated some uncommon and practical code, which is collected every seven updates, hoping to be useful to everyone. Statement You are welcome to repost, but please keep the original source of the article :)Blog: http://www.cnblogs.com Farmer's uncle: http://over140.cnblogs.com Body 1. Precisely obtain the screen size (for example, 3.5, 4.0, 5.0) Public static double getScreenPhysicalSize (Activity ctx ){ DisplayMetrics dm = n

The official Android browser is really not well written. Last month, I made a function to modify the Browser Download. If this file is available in sdcard, a dialog will pop up, the prompt is "the file already exists. Do you want to overwrite it? ", Yes. delete the file and download it again. If not, no operation is performed! The process of Google source code is to download a file with another name. For details, see the naming rule for repeated file

GitHub's popularity in China does not need to be repeated. More and more open-source projects are migrated to the GitHub platform. What's more, it is necessary to understand the popular open-source Android and iOS projects based on the principle of not repeating the wheel. Using these projects can sometimes help you get twice the result with half the effort. To this end, CSDN has compiled the most popular open-source

Android development optimization-UI optimization (1), androidui During Android Application Development, the layout code of the control on the screen is usually separated from the logic code of the program. The layout code of the interface is stored in an independent xml file, which is organized in a tree and controls the layout of the page. Usually, many controls

1, Dalvik ARTAndroid has been using the Dalvik virtual machine as the app's running VM before 4.4, and 4.4 has introduced art as a developer alternative, with 5.0 officially being the default VM.Let's start with a brief look at both of them:1.1 DalvikIf just want to understand briefly, personal feel Baidu encyclopedia on this Dalvik introduction basically meet the requirements.If you want to go deep, you can look at the old Luo's

Technical Summary-android (1) -- MVC model, -- android -- mvc First, we will introduce the MVC mode. The full name of MVC is Model View Controller, short for model-view-controller. It is a Model of software design, organize Code by means of separation of business logic, data, and interface display, and integrate the business logic into a component to improve and

Android thread pool (1) -- Executors (thread pool) and FutureTask usage example, android Thread PoolMainActivity is as follows: Package cc. vv; import java. util. arrayList; import java. util. iterator; import java. util. concurrent. executor; import java. util. concurrent. executorService; import java. util. concurrent. executors; import java. util. concurrent.

Android Api Component --- Fragment Component translation (1) Fragment represents one or more actions in an Activity. You can connect multiple fragment in a single activity to build a multi-panel UI, in addition, one fragment is used repeatedly in multiple activities. You can think of fragment as a modular part of the activity. It has its own lifecycle and receives its own input events, you can also add or r

[Move bricks] Getting started with Android (1)-getting started with Java Development, Android java 01.01 _ basic computer knowledge (Computer Overview) (understanding) A: What is A computer? Examples of computer applications in life Computer: an electronic Computer, commonly known as a Computer. It is a modern smart electronic device that can automaticall

Android basic notes (1) 1G-5G introduction to the Android operating system introduction to the Android version Android system architecture introduction to different ART-Mode Simulators of two virtual machines SDK directory Android

mapactivity. 3. mapcontroller: used to control the movement of a map. 4. Overlay: This is a plotting object that can be displayed on a map. 5. geopoint: an object that contains the longitude and latitude positions. Android location API: 1. locationmanager: This class provides the ability to access the location service and to obtain the b

Android interview question 1, android interview question 1. What is intent in Android? A: You can switch between interfaces, including action and action data to connect the four components. 2. What are the advantages of using SAX to parse xml files? A: You do not need to

Android XMl parsing magic xstream 1: parse the aa. xml file in the asset folder of the android project, xstreamandroid Introduction XStream is an open-source project and a simple and practical class library used to serialize the conversion between objects and XML objects. Parses the content of an XML file into an object or serializes an object into an XML file.

1. How to run a single Android instance We all know that the Android platform does not have a task manager, and the internal app maintainer has an activity history stack to display and destroy windows, startactivity may use the flag_activity_new_task flag to open a new window, for example, launcher. Therefore, it is easy to implement a single task, first, andro

code files, the import process will last for a long time. Tip: 1) before importing the source code, you must cancel the Eclipse automatic compilation option (set through Project> Build Project Automatically in the menu bar ). In addition, do not clean up the project after the source code is imported. The cleanup operation will delete the files generated by the source code compilation, resulting in the re-Compilation of the

The main content is as follows: 1) establish the environment 1.1 JDK Installation 1.2 install eclipse 1.3 Android SDK Installation 1.4 ADT Installation 1.5 create AVD 2) helloworld instance Program 1)Environment Construction 1.1,JDKInstallation and configuration JDK download http://www.oracle.com/technetwork/java/javase/downloads/index.html, Install JDK Step

Android memory problems (1): android Solutions Generally, when we encounter memory problems, there are several solutions: 1. Perform some processing on memory references. Common examples include soft references, enhanced references, and weak references; 2. process images directly in the memory when loading images in