Mobile Develop

The 10th chapter: the Debugging technology of embedded LinuxFor complex Linux drivers and libraries such as HAL, you need to debug them using a variety of methods. For example, setting breakpoints, stepping through code, outputting debugging

Sparsearray There are many places from Performance Optimizer that uses Sparsearray to replace HashMap to save memory and improve performance. Linkify.addlinks () This class makes it easier to add hyperlinks to text. Thumbnailutils This class is

Bug Description:error:execution failed for task ': App:mergedebugresources '. > Crunching Cruncher seekbar_thumb_normal.png Failed, see logs Workaround:1. Add the following two sentences to the Build.gradle:Aaptoptions.cruncherenabled =

1, today saw the Hon Yang's "Android HD Mega Map load Scheme" article, on the loading of high-definition giant map when the solution has a certain understanding.The idea is: Provides an entry for setting up a picture. Rewrite the

In recent years, with the rise of front-end separation and single page application, Web pages are becoming more and more applied. The development of mobile Internet is fueling this trend--for interactive, performance-insensitive scenarios, Web apps

Thread communication, Activitythread, and thread classes are key to understanding Android threading management.threads, as the basic unit of CPU scheduling resources, have a very important and fundamental role in the operating system for embedded

Import java.io.IOException;Import Org.ksoap2.SoapEnvelope;Import Org.ksoap2.serialization.SoapObject;Import Org.ksoap2.serialization.SoapSerializationEnvelope;Import Org.ksoap2.transport.HttpTransportSE;Import

For iOS multithreaded development, we are always in the learning, in reading, look at the document, the project development, can go to improve themselves. Recently read the "Objective-c Advanced programming iOS and OS X multithreading and Memory

Nineth Chapter Experience:HAL (Hardware abstraction Layer, Hardware abstraction cavity) is a set of turn-up fonts built on Linux drivers. The program 's J rate does not belong to the linux kernel, but is the application layer on top of the Linux

Chapter Content 1th Section Linear Layout2nd section Relative layout3rd Frame Layout4th Section Table layout5th section Grid Layout Linear Layout The linear layout is configured with tags, the classes in the corresponding

BodyUse of Tag controllers in iOS development--uitabbarcontrollerFirst, IntroductionSimilar to the navigation controller, the label controller is also used to manage the view controller of a UI control, within which a tab bar is encapsulated, and

Introduction A statelistdrawable is a drawable object defined in XML that uses a several different images to represent the same graphic , depending on the the object. For example, a Button widget can exist in one of several different states

The installation and configuration of Android Studio has a lot to do here, and now it's time to say how to import Eclipse's project into Android studio without changing its directory structure and configuration so that the students who use eclipse

After reading the tenth chapter of this book, I Learned:1.PRINTK function: Run in kernel space, Linux driver can only use PRINTK to print kernel debugging information. Function prototype: Asmlikage int printk (const char *fmt). The first parameter

MPMoviePlayerController Brief introductionMPMoviePlayerController both support local audio and video playback also support network streaming media playback, the function has been very perfect, streaming media projects commonly used requirements

1. Talk about the response chain Answer: The incident response chain. Includes click events, screen refresh events, and more. Propagates from top to bottom or from bottom to top of the view stack. It can be said that the distribution,

introduce the project environment first, the front-end tool uses Fis-plus, mainly uses the Zepto plug-in. The overall architecture is relatively simple. Here we do not discuss viewport layout (using viewport seems to be a lot less pits, but due to

Query the information on the Internet, there are the following solutions:1> first compiles the main program with the APT command, and then generates some Java files2> upgrading JDK to version Jdk1.6u17 or laterI haven't tried either of these methods,

IOS7, not only the application style has certain changes, the status bar changes relatively large, we can see The Uiviewcontroller status bar is basically one with the navigation bar. So the method of hide/show state of Uiviewcontroller is not the

The use of the PRINTK function is similar to the-printf function, except that the PRINTK function runs in kernel space and the printf function runs in user space. In other words, Linux kernel programs like Linux drivers can only output debug