Android

Collation Summary from Hongyang Blog: http://blog.csdn.net/lmj623565791/article/details/38339817/First, Com.cctvjiatao.customviewgroup.act.MainActivity.Java Requirements: We define a viewgroup, the interior can be passed 0 to 4 Childview,

This article illustrates the abstract class Abslistview usage of Android programming learning. Share to everyone for your reference, specific as follows: I. The relationship of inheritance Public abstract class Abslistview extends adapterview

This paper describes the understanding and analysis of the single threaded model in Android programming. Share to everyone for your reference, specific as follows: When an Android program is started, the Android system initiates a corresponding

This article describes the Android programming to achieve QQ expression sent and received. Share to everyone for your reference, specific as follows: In their own to do a chat application practice, need to use the expression, so want to imitate the

access to resources in Android The resources in Android refer to the non code part, which refers to the external file. Assets are typically stored in native files, such as MP3 files, and Android programs cannot be accessed directly, and must be

This example for you to share the Android imitation micro-letter two-dimensional code and barcode code, for your reference, the specific content as follows Package your. Qrcode.namespace; Import Java.io.File; Import Java.io.FileOutputStream;

This example describes the application unit test for Android learning notes. Share to everyone for your reference, specific as follows: Step One: Add the following two paragraph code to the Androidmanifest.xml: Application android:icon= "@

This article illustrates how Android dynamically updates ListView through handler and Asynctask two ways. Share to everyone for your reference, specific as follows: Sometimes we need to modify the generated list, add or modify the data,

The example in this article describes how Android programming enables you to share data between two activity and access each other. Share to everyone for your reference, specific as follows: I've turned from Windows programming to learning about

An example of this article describes the method of Android programming to achieve screen adaptive direction size and resolution. Share to everyone for your reference, specific as follows: Android screen Adaptive direction size and resolution,

This example for you to share the Android WebView use summary for your reference, the specific contents are as follows # using overloaded URL to realize Java and JS interaction In Android, the common Java and JS interaction is implemented through

This article describes the Android programming implementation of the two-level drop-down menu and fast search methods. Share to everyone for your reference, specific as follows: A, what are we going to do? There is a search box, below is a level

First of all to show you beautiful photos, the effect of interested friends can continue reading oh. Viewpager This small demo is to be able to scroll around the picture, the following with index, slide to the last page in the right slide to the

Drawable every day, but do you have a complete understanding of the Drawable family? Today we are going to study the use of drawable system. 1. OverviewUse the drawable of the cheese know drawable There are many kinds, sometimes drawable is a

Before analyzing the Android event distribution mechanism, identify the two major types of Android's underlying control: view and ViewGroup. View is the normal control, there is no child layout, such as button, TextView. ViewGroup inherits from view,

First to show you the effect of the picture: The scan is the following one, and the two-dimensional code is generated using the Zxing library. Because of the change of several classes, or last year's things are almost forgotten, so only on the

In front of learning some of Hongyang's custom view articles, see the custom ViewGroup implementation floating tag, initial look at his ideas as well as the combination of his own ideas to complete his own floating label custom ViewGroup. Currently

tag is an attribute of view, or a map that holds the parameters, which is useful for improving performance and parameter passing, such as improving ListView performance: View that is used to cache item Copy Code code as follows: Public

The example in this article describes the solution that sets the value of the control in the Android thread to indicate an error. Share to everyone for your reference, specific as follows: Setting the value of a control in an Android thread is

The example in this article describes the way that Android programming implements some of the color changes in TextView. Share to everyone for your reference, specific as follows: The public class Stringhandleexampleactivity extends activity {/