Mobile Develop

OverviewAs an Android developer, I'm afraid the context can rank the previous number in the most used classes of the day. Because context objects are so common in our projects, we are loading resources, starting activities, getting service, sending

The IOS NSString property uses the Get method when get notation is not compiled under ARC, and can be implemented indirectly by the following methods:Http://www.cnblogs.com/love-lie/archive/2012/06/25/2561566.htmlsuch as: #import @interface

Program Error ReportTo debug the program on the emulator, the error code is as follows:Cursor cur = context.getContentResolver().query( MediaStore.Audio.Media.INTERNAL_CONTENT_URI, new String[] { MediaStore.Audio.Media.TITLE,

Experiment Two blog address: http://blog.csdn.net/double2hao/article/details/51217356Experiment One Blog address: http://blog.csdn.net/double2hao/article/details/51152843First, the contents of the experimentThe algorithm of calculating definite

When doing the project, did an activity inside has two tab switch, each tab is a fragment display content, when two tab to switch back and forth, reported a mistakeAfter finding the reason, the method call of Oncreateview () in fragment was

随着Google为自家“儿子”推出了新的ide——Android studio，并不再更新eclipse，对于Android开发者而言，改用Android studio是势在必行了，作为一名学生党，自学Android也有一段时日了，从当初一开始用eclipse到现在尝试改用Android studio，发现Android studio确实比eclipse好用很多，毕竟Android studio作为Google为Android专门开发的IDE。Android Studio

ObjectiveBefore writing PHP, built-in print_r() and var_dump() two functions for the printout of any type of data internal structure, now do the development of Android, found that there is no such a function, for the database view is not convenient,

frame animation: refers to a number of pictures quickly switchLet's look at the effect of the implementationImplementation methodStep one: Create an Android project using Android Studio, and add a picture of each frame used to create frame

Two. Two ways to create a Uiimageview 1. Set the picture position and size "' Uiimageview *iv = [[Uiimageview alloc] init]; Created picture, no default width high iv.backgroundcolor = [Uicolor Redcolor]; UIImage *image = [UIImage imagenamed:@ "meinv.

This series is written by foreigners, dry goods! Translate out to study together. If something is wrong, don't hesitate to enlighten me! Android Custom View one: Extend existing views, add new XML attributes Android Custom View II: How

Brief introduction:Support Systems and ModelsThe iOS System's fingerprint recognition feature has the lowest supported model for the iphone 5s, the minimum support system for iOS 8, although the installation of the iOS 7 system of the 5s model can

Problem phenomenon(this article, from the private blog of Route 0th, I in the development process of browsing framework, in this way, to circumvent the problem of memory Leaks.) ）In the Android5.1 system, you will find that there is WebView leakage

Recently contacted with Android sensor programming, Android provides sensors, Sensormanager and Senseoreventmanager to obtain sensor data and take some appropriate Action.First step: get the sensor values1, first through the service to obtain

What is the use of this interface?Once a class implements this interface (applicationcontextaware), this class can easily get all the beans in the Applicationcontext. In other words, this class can get directly from the spring configuration file,

1.Storyboard Link StoryboardThe advent of storyboard has made development seem like storytelling, and the flow of relationships between the UI is Straightforward. It is actually an upgraded version of xib, which manages multiple xib in a Unified.

The main idea: given m-bar, ask how many sides are not on the ring (or in the ring), how many sides are conflicting (what is a conflict?). That is, there are multiple edges in a ring to separate the ring, that is, the total number of edges above the

this series of articles by Csdn a day of Moe produced, without the permission of the blogger may not be Reproduced. particles in u3d are two-dimensional images rendered in three-dimensional space, usually a particle system consisting of a particle

Android 4 is the soul of android, the development of each app must be inseparable from Them.Now the general talk about their function and usage:1. ActivityAn activity in an application is a screen interface, and what your eyes see is an Activity.

IOS Developing multithreaded articles - Multithreading Simple IntroductionI. Processes and Threads1. What is a processA process is an application that is running in the systemEach process is independent, and each process runs within its dedicated

recently in the team to do a front-end with IONIC+ANGULARJS web App project, because it is not done front-end, so do not know ionic, just the front-end staff is also dabbler, so only self-reliance learning to play the Android package, on-line