Mobile Develop

1. In OC, each object has a hold count, and each object has a retention count of 1 at the time of creation, and a retention count of 0 when released.2. Create (auto-release) objects+ (CAR *) car{Car *mycar = [[Car alloc] init];return [MyCar

Long long ago ... has become history, I still have to tell the truth: early in the day, when Android was not recognized by the public, of course, developers are not as saturated as now. A senior Daniel, but also my seniors, then I was in college. My

Dialogframent is the base class for dialog boxes in the Android SDK that developers can extend for this class. He can expand a variety of dialog boxes in Android, such as Alertdialog,listdialog,radiodialog. Android has provided a simple dialog box

1, the Android system supports three kinds of fonts by default: "Sans", "serif", "monospace2. Other fonts can be introduced in Android. &L T TextView android:id= "@+id/custom" android:text= "Hello,world" android:textsize= "

During Android development, it is often necessary to update the status and copywriting of the UI. This is where the UI needs to be updated. There are three ways to update the UI in Android, such as the handler mechanism, the Runonuithread method,

Add Coreimage.framework coregraphic.framework and other librarieswhen used, introduce: #import support for iOS 5.0 and above.-(void) show{UIImage* img = [selfgetblurimage: [UIImageimagenamed:@ " Default-568h.png "];[_bgimageview setimage:

First, the OriginIn their own to other companies to do part-time outsourcing, has clearly known that the outsourcing of the job is not so good to dry, generally experienced the initial passion after the enthusiasm, gradually cold, anger, and then

Original address: http://blog.csdn.net/zhaokaiqiang1992/article/details/19921703Component activity in Android can specify parameter Android:configchanges in the Manifest.xml file to capture changes in the state of the phone. The

Warning:Not targeting the latest versions of Android; Compatibility modes apply.Consider testing and updating this version. Consult the Android.os.Build.VERSION_CODES Javadoc for details.The ANDROID SDK version is 19.XML version= "1.0" encoding=

//Volume of Sound 　　 intStreamvolume; //define Soundpool object private Soundpool Soundpool; //define the hash table private Hashmap Soundpoolmap; 　　 /*************************************************************** * Function:initsounds (); 　　*

The implementation method is to define a collection in application to store all the activity objects, add them to the collection when the activity is created, and finish off all the activity when the program exits.The steps are as follows:1. The

First of all, the most fundamental solution:Mobile phone access, will be accompanied by sending user-agent information, this information will have a mobile phone number information, then if you can get a mobile phone number, you can certainly be

1 uigraphicsbeginimagecontext (self.view.bounds.size); // Setting the context 2 3 [Self.view.layer renderincontext:uigraphicsgetcurrentcontext ()]; 4 5 UIImage *image=uigraphicsgetimagefromcurrentimagecontext (); // get an image from the current

/* The user presses the touchscreen, quickly moves after releasing the public boolean onfling (Motionevent E1, motionevent E2, float Velocityx, float velocityy) {//Parameter explanation://E1:1th Action_down motionevent//E2: Movement speed on the

The methods in Mapper are constructed as org.apache.ibatis.binding.mappermethod$methodsignature objects, from which you can learn how to use the Mapper method."Supported Special parameter types"Rowbounds, Resulthandler, common parameters (variables

Activity has two methods of onsaveinstancestate () and onrestoreinstancestate (). The Onsaveinstancestate () method is only suitable for storing some temporary state, while OnPause () is suitable for persisting data . These two methods are not life

Recently many friends are asking, for Mao under Windows to, run Android virtual machine or real machine on the black screen, some only FPS information, some even FPS information is not.If the program can start normally, it will not flash, but the

The original version is opened with fopen file, if you want to take the files from the Android apk, directly washed whiteModify the followingvoid Cccrypto::md5file (const char* path, unsigned char* output){unsigned long len = 0;To make sure we can

Today, when visiting the forum, I found a friend asked the question.The main purpose is to achieve the first time the player enters the game, or a new version installed, the APK decompression, write to the SD card.This way, the game will no longer

1. First change the apk file suffix to rar and unzip.2, using 7zip decompression rar file (WinRAR decompression will error), get the Classes.dex file3, the extracted Classes.dex file into the Dex2jar folder--in essence, and Dex2jar.bat path