21 days learning the XML parsing and generating _android of Android development Tutorials

This article uses sax to parse XML, and in Android you can use sax and dom,dom to read the entire XML file into memory and then parse it to consume memory, and sax can trigger callback functions at each node based on event-driven processing, However,

Introduction to the usage of Sharedpreferences class storage data in Android applications _android

In Android development, it is often the case that that is, you need to store user preferences (such as the user's favorite app color theme), settings related to a particular logged-on user (such as the preferences of different landing users), and

Android garbage collection solves memory leak problem _android

In the Android code, there are a few simple writing and coding habits that can lead to a lot of memory leaks in our code, where we make a summary of known errors:1. The mistakes that often occur when writing a single example. Wrong way:

Android imitation Baidu Fu bag Red Envelope interface _android

First look at the effect chart: 1. Programming Ideas Look at the interface, it is not difficult to find, it is a container to put nine of pictures, drawing in fact, you can create a separate transparent view is responsible for drawing lines and

The Android development tutorial uses a combination of shape and selector _android

Shape and selector are often used in Android UI design, such as we want to customize a fillet button, click on the button some effect changes, we need to use shape and selector. It can be said that the role of shape and selector in beautifying the

Android splash Screen Effect Implementation method _android

An example of this article describes the implementation of the Android splash screen effect. Share to everyone for your reference, specific as follows: Splash screen, is splashscreen, can also be said to start the screen, is the start of the time,

Android ListView Multi View nested multi-View _android

First show you the effect of the picture: public class Homeedumoreadapter extends Baseadapter {private final String TAG = "Homeedumoreadapter"; private static fin Al int Type_common =; private static final int type_bl =; private static final

How the Android client program Gradle packaged _android

First, the preface Android client development came to an end, responsible for SEO colleagues suddenly sent me a 45 release channels of the sad news, before only the release of their own channels of work (manual modification parameter packaging) has

Android image upload to achieve preview effect _android

First, the specific analysis, the implementation of the function, which needs analysis is essential, demand, logic cleared, then on the handwriting code, the idea will be very clear. 1. Multi-image upload first have to choose pictures (here The

Android Imitation micro-letter hair friend Circle Browse Picture effect _android

Let's look at the effect first: Here is how to achieve the specific: Realize the idea 1. First we want to obtain the data source, the data source is our each article say (including name, title, picture array) 2. Custom Adapter

Android system service detailed

Android has 3 broad categories of service, which are in different frame layers of the Android system, as explained below: 1 service in the Init.rcKeyword "service" name binary executable program path Service

Abstract public classes in Android, reuse common methods for multiple objects

Today learning how to realize Angry Birds, using jbox2d to build the physical world (this is not the focus of this article, but thank you for this open source thing) An entity class of an individual object. Import Org.jbox2d.dynamics.Body; Import

Introduction to Android Resources (Resource)

Android Apps (APP) resources are stored in the Res folder at the project level; The types of resources include values (value), drawable, colors (color), layouts (layout), animations (animation), styles (style), menus (menu), XML files, and raw

Android layout (layout) detailed

Layout class, the most critical feature is to adapt to the diversity of Android devices; Linear layout: Placing elements horizontally or vertically together; Relative layout: Defines the position of each element in the layout based on the position

How Android uses intent to start an activity

The purpose of intent is to bind application components and communicate between applications; StartActivity (), passing intent parameters, creating and displaying an activity; Use Intent Parsing (resolution) to dynamically select the most matched

The realization of cool return mode in Android

The Android phone will have a return key, whether it's an entity key or a virtual key. Android users are mainly using this return key to manipulate the page return mode, no more than iOS forcing the very high only one operation key. This is the most

Android via HttpURLConnection and HttpClient networking proxy gateway settings

Android networking mainly using Httpurlconneciton and httpclient for networking, when mobile networking, we prefer WiFi network, followed by the choice of mobile networks, where the mobile network is mainly referred to Cmwap. We all know that cmwap

Commonly used shortcut keys for AndroidStudio modification, androidstudio

Commonly used shortcut keys for AndroidStudio modification, androidstudio Recently, the company's development tools will change from eclipse to Androidstudio. After installing as, you can't wait to change the shortcut key to the shortcut key in

Android umeng shares the detailed integration process and solutions to problems.

Android umeng shares the detailed integration process and solutions to problems. Recently, projects need to integrate the sharing functions of umeng with friends, QQ, and QQ. To be honest, this is also my first time. During this period, I

Android Studio imports the Eclipse project in two ways: androideclipse

Android Studio imports the Eclipse project in two ways: androideclipse Android Studio has two ways to import an Eclipse project. One is to directly import the Eclipse project to Android Studio, and the other is to convert the project in Eclipse, and

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