"Android Interface Implementation" Fragmentpageradapter and Fragmentstatepageradapter use of details and differences

Reprint Please specify source: http://blog.csdn.net/zhaokaiqiang1992Fragmentpageradapter is a new adapter that appears in the ANDROID-SUPPORT-V4 support package, inherited from Pageradapter, and is specifically designed to match the Viewpager that

Single responsibility Principles for design patterns (iOS development, code with OBJECTIVE-C display)

Single responsibility Principle: For a class, there should be only one cause for it to change.In iOS development, we will naturally add a variety of functions to a class, such as writing a simple application, generally generates a Viewcontroller

Summary of event distribution mechanism in Android

The event distribution mechanism for AndroidFirst, View Summary of event distribution:Ontouchevent and Ontouch differences in viewTake the example of a custom Testbutton.We can handle messages such as down move up by overriding the Ontouchevent

ios-Kanji to Pinyin

In the app development, sometimes we need to convert Chinese characters into corresponding pinyin, for example, in the Address book, according to the contact name to sort contacts contact information, how to sort contacts, in general we need to

Bullet, iOS true computer compilation error error:identifier or immediate expression expected workaround

Just found the bulletTest1 of C3dengine2 (Http://git.oschina.net/wantnon2/c3dEngine2 or Https://github.com/wantnon2/c3dEngine2) Demo is compiled on iOS real machine however, error:identifier or immediate expression expected compile error.Google a

Android Layout-layout_weight

This talk about the weight of the layout, nonsense not much to say, straight to the subject.First we create a lineatlayout layout and set it to landscape, placing three text boxes in the layout tv1;tv2;tv31, when we give three TextView width are set

menu of Android controls

Http://www.cnblogs.com/Mrs-cc/archive/2012/07/21/2603042.html1.OptionsMenu (Option menu) Usage SummaryHow to use:method One: Add menu item: Oncreateoptionsmenu (Menu menu) Add Menu.add (menu.none,menu.first+1,5, "delete"). SetIcon ()------> Add a

NSBundle Introduction and use of "go" iOS Learning

A bundle is a directory that contains the resources that the program will use. These resources include like, Sound, compiled code, NIB files ( the user will also refer to bundles as plug-in). Corresponding bundles, the cocoa provides class

Location of map positioning before IOS8.0

The steps to locate before ios8.0 are as follows:1. First switch our project version to 7.02. Import the header file in the viewcontroller.m file#import 3. Create location managers use lazy loading and set up proxies to comply with the protocol

Variable highlighting settings for Eclipse and Androidstudio

Let's start with an intuitive picture., when the mouse clicks on a variable, all current variable names in the document are highlighted and used to track the use of variables.Eclipse:Enter Annotations, Text Editors, Preferences, general, Editors,

Android scroller Simple usage

The Scroller class in Android is a helper class to implement view smooth scrolling. Usually used in custom view, a private member Mscroller = new Scroller (context) is defined in view. Setting the Mscroller scrolling position does not cause the view

201508 Mac Android SDK

First, download the Android SDK for Mac http://down.tech.sina.com.cn/page/45703.html Second, set up the download proxy server command line access to Tools directory Then enter the ./android SDK out of the SDK manager's graphical interface Android

iOS app download skip to itunes

Android SimilariOS app download skip to itunes

Android uses scroller for slow movement

In the launcher in the workspace to achieve the left and right screen switching effect, the inside of the use of the scroller record sliding trajectory, to achieve a slow movement to the left or right, here I summarize this effect:Let's take a look

Android Datepickerdialog Timepickerdialog

1 PackageCom.example.myact5;2 3 ImportJava.util.Calendar;4 5 ImportAndroid.app.DatePickerDialog;6 ImportAndroid.app.DatePickerDialog.OnDateSetListener;7 ImportAndroid.app.TimePickerDialog;8 ImportAndroid.app.TimePickerDialog.OnTimeSetListener;9

"Reprint" The understanding of the iOS heap and stack

The computer memory used by an application in an operating system iOS is not uniformly allocated space, and the running code uses space in three different memory areas, divided into three segments: "Text segment", "Stack segment", "Heap segment".The

My Goddess--Simple and practical iOS code debugging framework

My Goddess--Simple and practical iOS code debugging frameworkFirst, IntroductionThe origin of this blog is to take over an already completed project of the company, to do code optimization, project engineering is very large, and introduced a lot of

The use of Android j2v8 in APP+J2EE development

J2V8 is a Java Open source project based on the kernel JS V8 engine in WebKit, which implements the mutual invocation between Java and JavaScript, which makes up the defects of 2 languages.Http://mvnrepository.com/search?q=com.eclipsesource.j2v8http:

"IOS7 Some summary" 9, with list display (in): List display UITableView

The list is displayed as the name implies, and it is the content of the data displayed on the screen in a list view. To iOS in the list view UITableView reached. This class is frequently used in practical applications and is easy to understand. Here

Ios-artboard Program (gesture Action None)

////HMPaintView.h//Artboards////Created by Yaguangzhu on 15/9/10.//Copyright (c) 2015 YAGUANGZHU. All Rights Reserved.//#import@interfacehmpaintview:uiview@property (nonatomic,assign) cgfloat width; @property (nonatomic,strong) uicolor*color;

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