Mobile Develop

First, what is quartz2dQuartz 2D is a two-dimensional drawing engine that supports both iOS and Mac systemsQuartz 2D can do the job:Drawing: lines \ triangles \ rectangles \ Circles \ Arcs, etc.Draw textDraw \ Generate picture (image)Read \ Generate

Original http://www.cnblogs.com/wendingding/p/3775488.htmliOS Development UI Chapter-uitablebarcontroller Brief IntroductionFirst, Brief introductionUitablebarcontroller and Uinavigationcontroller Similar, Uitabbarcontroller can also easily manage

First clarify the concept:A timer is a class that performs a task, and he accepts timertask parameters;There are two ways that a timer performs a task, one that executes a task Timer.schedule at a specified time (TimerTask task,data Data) and how

To permanently save the data, we can of course use the Plist file, and when we exit the program we perform the operation of writing the data to the Plist file, using the writetofile:atomically: method.The classes that have this method

?? Today, I wrote a simple memory note applet, but found that when the added data cannot be empty, your code always does not work.String titlestr = AddTitle. GetText(). toString();String contentstr = addcontent. GetText(). toString();if (titlestr = =

Recently contacted FFmpeg, found a lot of relevant compilation data, have not compiled successfully, a few days ago on GitHub to find a script (https://github.com/kewlbear/FFmpeg-iOS-build-script), can be perfectly compiledThe steps are as follows:1.

Original URL: http://www.cnblogs.com/wenjiang/p/3200138.htmlNearly half a month has been engaged in the Android Bluetooth this aspect, the main project needs to communicate with the Bluetooth module. The beginning of the progress was smooth, but

QQ friends too few?Too few people to contact?Too few people can really connect?Want to meet more friends?The new world starts from now?Shake or play the digital lottery to find your own fate.Relying on the QQ platform, the vast amount of users with

Sometimes, we need to make the code simple so that it's easy to read code. We can extract some unchanging stuff and change things as parameters. Defined as a macro, so it's much easier to write.The following examples illustrate some common macro

1. Translation Asset Type prefix Example Icon Ic_ Ic_star.png Start icon Ic_launcher Ic_launcher_calendar.png menu icons and Action Bar icons

Recently in the School Android network programming JSON parsing encountered a lot of problems, one of which is the use of the HTTP protocol to connect the network is always wrong, tinkering for nearly two days, finally a little understanding, is now

This project, as the title says, is based on the UITableView project for two packages, to achieve more presentation, Project address: Click to openHowever, you will have to use the UITableView extension for this to work (Project address: Click to

Dryclass C =NULL; Object obj=NULL; Field field=NULL;intx = 0, Sbar = 0;Try{C= Class.forName ("Com.android.internal.r$dimen"); Obj=c.newinstance (); Field= C.getfield ("Status_bar_height"); X=integer.parseint (Field.get (obj). toString ());

for independent developers on the mobile side, the most painful thing is to build a background server. There is no foundation to learn from the beginning, there are technical and build maintenance backstage, very troublesome. The advent of the

Some time ago did some small things, some key points of the record summarized as follows1.ToDoListThe main use of UITableView and Nsuserdefaults to complete task management, can create new, edit and delete tasks.Because it is a demo nature, data

Before the project involves some camera preview and data processing operations, the demand is in addition to do the camera preview, but also to display text, personality images, and so on, when looking for data to implement the relevant modules,

backgroundAs a normal office worker, I always want to do something that I think is meaningful, so I'm going to set up a studio, and although I'm in the process of preparing a new one, I find my abilities are limited until I recently talked to some

The whole process of my debugging today1, Android found not even on the local tomcat2, using the browser to try directly, found that can be connected to 3, the suspicion is Android app and browser access is different, after the Internet search is

SUMMARY:SDK, ADB, Active, Intents and Tasks-the Android SDK is made of mostly off-the-shelf components, plus some purpose-built components. In many cases, configurations, plug-ins, and extensions adapt these components to Android. The Android SDK is

Select sort1. Minimum value first2. Locate the location3. Place the number of positions in the ordered area4. Repeat for (int j = 0; J array[i]) { minindex = i; } } If (minindex! = j) {