Android

Why does the NSString attribute use copy instead of retain? In my previous studies and life, I knew that NSString attributes should be copied instead of retain, but I don't know why. I 've studied it these two days and finally understood it. The

Android APK and JAR package export code obfuscation   Similar to Android development based on the java language, it is easy to be decompiled by others. It is equivalent to streaking, especially for commercial purposes. It is necessary to prevent

Android telephone 4.2 framework Layer Analysis The code of the framework layer is mainly used in GSMPhone, CallManager, GSMCallTracker, and TelePhonyManager. GSMPhone: The main problems associated with GSMPhone are Phone. java, PhoneBase. java, and

Chinese pronunciation of TTS in Android notes1. TTS is Text to Speech, which converts Text content into Speech. Google started to support TTS in Android 1.6, but unfortunately, it only supports five languages, including English, French, and German.

Apple and google have made significant contributions to the development of the webkit browser engine. apple released the WebKit framework in iOS 8 at the WWDC 2014 press conference, this means that OSX and IOS developers will share the same

1. PackageExplorer displays all packages in parallel at the file level by default. It can also be displayed as multi-level, and the effect is much better than that of navigator.In the PackageExplorer View, "the arrow in the upper right corner →

Eclipse has a good function, that is, when your code calls an android API, move the cursor over the corresponding function or method, there will be an automatically suspended The floating window prompts the description of the function (including

The Automatic startup function is used in the project, so I learned how to record it as a note. The procedure is as follows: 1, Principles: After searching the data, it is found that when Android is started, a system broadcast is sent with the

I have been familiar with the storage medium of sharedPreference android for a long time. However, I have never actually used it. Today, when I look at the previous app called "", I suddenly thought that I could use the sharedPreference class to

When working on the project, we encountered the use of scrollView and listView, leading to sliding disorder. However, there is a way to solve this problem, that is, the height of the handwritten listView, there is another method: Android-nesting

Recently, as the company is engaged in digital TV, the player and module are sold together by the supplier for packaging and the driver is ready for commissioning. However, the player requires hardware decoding, which is different from the platform.

At the beginning of this year, I started to learn about android, but I only made changes to the source code. I learned how to create an APP in my bedroom. As I started learning, this game only focuses on the implementation of the game, after the

The idea of using threads to control the presentation time of dialog is very simple. The show code is used directly, so that I can easily record it myself. Private void showProgressDialog () {pDialog = new ProgressDialog (mContext); pDialog.

Apple officially released the new iOS8 operating system at WWDC2014. On the interface, iOS8 is not much changed compared with iOS7, but its functions have been improved.Many interfaces are updated and made public in ios8. one of the interfaces is to

In the previous blog on the relevant topic, we learned how to use Action to start activities outside of the current application to process our business logic, in this document, I will briefly introduce how to use ComponentName to interact with

After Ubuntu14.04 is installed, file sharing is set in the virtual machine settings, but there is no hgfs directory in the mnt directory. I can't do it as I said on the Internet, so I have to give up, use samba to share files between Windows and

I have been engaged in flex mobile development for the first half of the year, and will focus on Android development for the next 1.5 years. Although the experience seems to be not rich enough, there are a lot of ideas about the software. "If you

When I recently made a shopping cart, I encountered several problems, which are summarized as follows: 1: do not allow listview to reuse components (shopping cart or special operations ): Save all view objects by yourself public View getView(final

Content Environment Project Structure Demonstration 1: SimpleAdapter Demonstration 2: BaseAdapter Demonstration 3: customlazylist Demonstration 4: customcompletelazylist This article only provides the demo summary. There are too many

Node Method: 1. create Node * childNode = Node: create (); This method is mostly a subclass of Node. Call the create () static method to create an instance. 2. Add a new subnode: node-> addChild (childNode, 1, Tag); // 1 refers to the index of the Z