Mobile Develop

Gesture Recognizer iOS gesture recognizer (Uigesturerecognizer) Tap gestures (UITapGestureRecognizer) Swipe gesture (Uiswipegesturerecognizer) Rotation gesture (Uirotationgesturerecognizer) Pinch gesture

@interface NSObject (OBJC)//@property (nonatomic, strong) NSString *name;Adding attributes to a system's class in a taxonomy cannot add additional attributes to a class that moves the system@end#import "Nsobject+objc.h"#import @implementation

When we debug the Android program, we may convert the Androidproject to C/c++project, or add Native support. However, how can we restore c/c++project to ordinary androidproject? I'd like to share my experience with you here.First step: Open the.

Buy mobile phone after a period of time, you may find that the mobile phone space is full, want to install a new app is not installed, look at the most space to find photos and videos, many of the previous shoot of the beautiful photos are reluctant

Sometimes we have a POST request URL in JSON, and this time we need to convert the URL string into a body dictionary and put it in the POST request.NSString *body = [self. url_c_ componentsseparatedbystring:@ "="]. Lastobject ; nsdata *data =

Windows Forms Application Creation and initializationThis topic details the steps performed after an end-user have run an XAF Windows Forms application, until the moment the MA In XAF objects, like the Winapplication, is created and initialized.In

Appendreplacement is a method of replacing the corresponding string in JavaAppendreplacement (StringBuffer sb,string replacement)Replaces the current matching substring with the specified string and adds the replaced substring and the string segment

Android self-defined control skinsFor Android's self-contained controls, the look is only as good as it can be, and in the Android app we normally see, a simple button is beautifully done. Even a lot of buttons have a certain change in appearance

The default date method for high-speed Android system changesOn Android devices, there is a default start date, see a lot of devices, some devices are not connected to the system when the time is not synchronized, the default is the 1970 date. I've

First, Introduction Service is the back-office component of the Android system for the development of interface-free, long-running application featuresService features are as follows:No user interfaceWill not be easily terminated by the

1. first create a new class This class inherits UIButton2. Implementing several methods1). Change some properties of the font-(instancetype) initWithFrame: (cgrect) frame{ self = [superinitwithframe: frame];if (self) {1--"Sets the position of the

Draw a path using Bezier curvesMost of the time, the border of the control we use in development is a rectangle, or a little fillet, which makes the corners of the rectangle look more rounded. But what if we want an irregular shape? Some people say,

The steps to proactively update the app are divided into three steps: Check for updates (assuming there is an update for step 2nd, otherwise returned) Download the new APK installation package Install APK These three steps are

The General Fillet Label control is implemented using XML to set shape. But suppose we want to make a more powerful universal fillet control that doesn't require the user to care about the rounded corners, just set the background to be able.How

#前言 #This article is the Android optimized Layout section, which should be important in Android, whether in a custom control, or in a simple writing layout, should try to follow some optimization principles, so that the layout of the drawing

1. First Looper.prepare () saves an looper instance in this thread, and then holds a MessageQueue object in the instance, because Looper.prepare () can only be called once in a thread. So MessageQueue will only exist in one thread.2. Looper.loop ()

Android provides NDK development kits to provide C + + development for Android platforms to extend the functionality of the Android SDK. Mainly includes the Android NDK build system and the JNI implementation and the native code communication two

1 Tablelayout Introductiontablelayout is the table Layout. Tablelayout Properties that can be set include global properties and cell Properties. 1.1 Global PropertiesThe following 3 parameters are Available:Android:stretchcolumnsSets the columns

as we all know, validating data in a form is boring and easy error.(original address: http://blog.csdn.net/vector_yi/article/details/24424713)Imagine that there are several types of input in a form that require a date type, and you don't want to do

IPC inter-process Communication+ Shared Memory mapping       IPC(inter-process Communication. Interprocess communication). file Mapping (Mapping) is a technique for mapping the contents of a file to a memory address , and reading and writing a file