Mobile Develop

The first part: Apple theoryEarly in the morning to open the refrigerator ready to take out the milk to eat breakfast, suddenly found that the refrigerator has accumulated four bottles of fresh milk, which does not include the room outside the milk

Creation of plist in iOS, data write and read function create a test.plist file-(void) Triggerstorage{Nsarray *paths=nssearchpathfordirectoriesindomains (nsdocumentdirectory,nsuserdomainmask,yes);nsstring *path=[paths objectatindex:0]; nsstring

We know that it is necessary to use intent to jump between Android activity.Intent is also divided into explicit intent and implicit intent,The explicit intent is very simple, for example I want to jump to secondactivity in the firstactivity, just

Today touch the page layout of things, Liu Guobin teacher in detail in the form of graphic programming and code will be solved again. Code and Stroyboard feeling are more troublesome, and logical thinking requirements are relatively high.The editor

Recently this time is busy to do the web mobile side, things and PC side still have a difference. This month also learned a lot of things, too much to start from scratch, first summarize the META tag it.The main label contents and comments are as

"Point Nine" is a special image form in the application software development of Andriod platform, the file extension is:. 9.pngThe smartphone has the function of the automatic horizontal screen, the same interface will change the direction of the

Use classification, NSString, add a method.#import #import @interface NSString (Height)+ (cgsize) GetRect: (NSString *) textstr andwidth: (cgsize) size Andfont: (Uifont *) font; @end#import " nsstring+height.h " @implementation nsstring (Height)+

The phone supports USB features:1,UMS (USB MASS stronge): Connect the PC as a memory disk use　　　2. ADB: For commissioning3, MTP: Connect the PC as storage disk use (Win XP need to install WMP10 above Win7 automatically included)4. PTP: Similar to

1. QuestionsSometimes in iOS you need to select a local picture or take a photo, sometimes choose the photo when there will be multiple selection and a single, so you need to first package album selection, in the previous blog has also been written

WindowManager wm = (WindowManager) context.getsystemservice (Context.window_service);Displaymetrics outmetrics = new Displaymetrics ();Wm.getdefaultdisplay (). Getmetrics (Outmetrics);int mscreenwidth = width of outmetrics.widthpixels;//screenint

Here the main use of ios4.0 after the UIView class method Animatewithduration:Function prototypes include the following class methods+ (void) Animatewithduration: (nstimeinterval) Duration animations: (void (^) (void)) Animations+ (void)

I. Definition of a methodCall Method:Syntax: Call (Thisobj,object)Definition: Invokes one method of an object, replacing the current object with another object.DescriptionThe call method can be used to invoke a method in place of another object. The

The background of Multidex's productionWhen the Android system installs an application, one step is to optimize for Dex, a process that has a dedicated tool to handle, called dexopt. The execution of the dexopt is performed when the Dex file is

ALT + ENTER import package, auto fixCTRL + N Find classctrl+shift+n Finding Filesctrl+alt+l Formatting CodeCtrl+alt+o Optimizing imported classes and PackagesAlt+insert generate code (such as Get,set method, constructor, etc.)ctrl+e or Alt+shift+c

Ontouchlistener Use Public class viewactivity extends Activity implements View. Ontouchlistener { @Override protected void onCreate(Bundle savedinstancestate) {requestwindowfeature (window.feature_no_title);Super. OnCreate (Savedinstancestate)

The first method of adding watermarks-(UIImage *) Watermarkimage: (UIImage *) img withname: (nsstring *) name{ nsstring* mark = name; int w = img.size.width; int h = img.size.height; Uigraphicsbeginimagecontext (img.size); [img

In general, we know that another app's package name and mainactivity name can be started directly from the following code:Intent Intent = new Intent (intent.action_main);Intent.addcategory (Intent.category_launcher);ComponentName cn = New

C:\Windows\System32\drivers\etc\HOSTS127.0.0.1 fonts.googleapis.com127.0.0.1 www.google.com127.0.0.1 Www.google.com/jsapi127.0.0.1 www.google-analytics.com127.0.0.1 apis.google.com/js/Android Doc Open too slow

Introduction to Run-time PermissionsAndroid 6.0 on the basis of our original Androidmanifest.xml claims authority, but also new runtime permissions dynamic detection, The following permissions need to be judged at runtime:Body Sensor Calendar camera

Transferred from: http://blog.csdn.net/totogo2010/article/details/8233565Although the arc mechanism was added after iOS 5.0, a memory leak might exist due to the complexity of the mutual reference relationship. So it's important to understand the