Android

Realize the idea: This view is implemented through ListView, showing each listitem with content and time of the entity two fields The timeline is assembled using a line (20DP) above and a middle circle (15DP) and a line (40DP) below. In ListView,

This example for you to share the Android imitation Sina Weibo paging management interface of the specific code for your reference, the specific content as follows Multiple activity paging management, in order to facilitate access to the context,

This article for everyone to share the Android imitation Sina Weibo launch interface & Landing interface of the specific implementation code for your reference, the specific content as follows Start interface There are two main functions: 1. Load

We first realize the circular effect of the photo button ha, Android development, of course, you can find art designers to design pictures, and then directly brought in, but we can write their own code to achieve this effect ha, the most commonly

Today we'll explain how to create and invoke your own contentprovider. In the previous two articles, we talked about how to read and write contacts and short messages, I believe that we have a certain degree of understanding of the operation of

This example for you to share the Android dynamic GridView control the use of specific code for your reference, the specific content as follows Mainactivity.java Code: Package Siso.haha; Import android.content.Intent; Import

When we develop the app, we often encounter the need for multilevel list display. The Android Native SDK does not have a level 3 level 4 or more list control at all.So we're going to implement a treelistview-like control, and here's an effect chart

Data storage and access common ways:FileSharedpreferences (preference parameter setting)SQLite databaseContents provider (content Provider)Internet Activity (context)The Context.getcachedir () method is used to get the/data/data//cache

The first thing to say is that users may regard this practice as rogue software. Most of the time, programmers do not want to make software rogue software, there is no way, the leadership to decide. When we use some Android apps, we may find that

Today we'll talk about the principles and applications of intent in Android. We've summarized several important components of Android, and I believe we have a clear understanding of these components, so let's take a look at a few common actions:

1 to timely recovery of bitmap memory The bitmap class has a method recycle (), which can be seen from the method name to be recycled. Here is the question, the Android system has its own garbage collection mechanism, can be periodically recycled

This article mainly introduces the Android basic summary of the three: Activity task-related, has a certain reference value, there is a need to understand. Today we're going to talk about the task-related content of the activity. The last time we

If an object has only a soft reference, the garbage collector does not reclaim it if there is enough memory space, and the memory of those objects is reclaimed if there is not enough memory. The object can be used by the program as long as the

In Android, in addition to using the API under the Java.net package to access the HTTP service, we can do the job in a different way. The Android SDK comes with Apache's httpclient API. The Apache httpclient is a sophisticated HTTP client that

The example of this article for us to analyze the zxing generation of two-dimensional code of the classic case for your reference, the specific contents are as follows 1, first of all, compile compile ' com.google.zxing:core:3.2.1 ' 2. actual

Android Downloadprovider Source Analysis: Download source code compiled into two parts, one is downloadprovider.apk, one is downloadproviderui.apk. These two apk source codes are located in the

Record the method by which the micro-credit third party implements the login. It's still quite simple. I. The necessary preparatory work 1. The first need to register and be audited through the micro-letter open platform account, and then create a

I'm not going to post the layout here /** * Final Call Modification Price Dialog/protected void Editpricedialog () {//TODO auto-generated method Stub editpriceview = View . Inflate (this, r.layout.dialog_price_input_keyboard, null);

Android kills the process: For the end of the process in the development of app application is still necessary, here sorted out three ways, we can choose according to the needs. When the application is no longer in use, you usually need to close

The previous article, the initial development of this application, features are available (see http://www.jb51.net/article/96992.htm Click to open the link). But left two problems: 1, or unable to uninstall, 2, must manually click on the