Android

ViewPager is an API available for Android 3.0 and later versions. 1. What can ViewPager do? 1. ViewPager can be easily used to slide the section in Section 5.0. 2. Implement a navigation guide interface similar to Sina Weibo. 3. Implement other

I wrote the principle of this implementation two days ago. I didn't write the specific code implementation, and I don't know much about it. Now I write the specific code. The Code has been posted, and the comments have been very detailed. If you

I believe you are familiar with android decompilation tools. Such as APK-TOOL, dex2jar APK-TOOL used to decompile layout files   Dex2jar is used to decompile dex into A. jar package.     The generated jar package can be viewed using jd-gui (

Android often has some operations such as network requests, file read/write, and database operations, which are time-consuming. We need to put them in a non-UI thread for processing. At this time, we need to handle the changes and interactions of

Android has three types of Windows Application Window: contains the windows created by all applications and the Windows displayed by the system before the Application starts. Subwindow: for example, a custom application dialog box or input Window,

BackgroundAfter the Linux-3.8, Android kernel branch, will remove f_adb, change the use of USB function FS, in the user space to achieve the USB adb function. This article according to the original author of Google + Article, in Atmel sama5

  Similarities and differences between OSGI and android Service The OSGI Service and android Service are similar in terms of Service and Client. Android Service interface -- service. AIDL OSGI interface -- java interface Therefore, the android inter-

      Camera focusing: in principle, the vertical seekbar is used to obtain the distance based on the user's drag, and then set it to Camera in the form of Parameter. OnSeekBarChangeListener  /* * (Non-Javadoc) * * @ See * Android. widget.

In the previous "Android custom components series [6] -- advanced practice (3)", we added the process knowledge about event distribution in Android, in this article, we will analyze the implementation of the drop-down PinnedHeaderExpandableListView.

In the previous article "Android custom components series [5] -- advanced practice (2)", I continued to analyze the instructor's "Implementation of the drop-down PinnedHeaderExpandableListView, this plan inserts a "knowledge point" to parse the

When we are working on android projects, it will certainly involve parsing xml files. Next we will introduce the parsing of xml files, including DOM, SAX, Pull, and previously used DOM4J and JDOM: XML file to be parsed: person. xml

Sometimes fragment needs to be nested in an activity, but nested calling often leads to display of views is different from expected or there is a problem with fragment switching. Pay attention to the following points during use:1. fragment is nested

Today, the boss arranged a task for me to get the app Power Consumption ranking (from the night before to the next day), so I did not expect this kind of information to be much more on the Internet, A major class is found:PowerProfile, but yes, this

In some unexpected situations, we don't want to see program crashes. In this case, we can write logs in a file using uncaptured exceptions to record error information to prevent impact on user experience. package com.home.testuncatch;import

Long ago... as it has become history, I still want to tell the truth: when android was not recognized by the masses in the early years, developers were not saturated as they are now. I was also a senior in college. The predecessors warned me that I

In the message mechanism of Android, java Message loops are not only provided for Application development. In fact, the java mechanism is ultimately implemented by native. Native not only provides a set of message transmission and processing

/*** Encapsulate the ProecssDialog dialog box **/public class LoadDialog extends ProgressDialog {private String title = ""; private String message = "loading data .... "; public LoadDialog (Context context, int theme) {super (context, theme );} /***

1. The implementation of TabHost is described in the previous article, but TabHost is implemented using Fragment. Here I try to use another method to inherit TabActivity to implement TabHost. MainActivity. java replication code public class

Preface When developing Android applications, you often need to deal with list display, such as Listview. If you cannot properly process the details during use, the performance will be greatly reduced. The Listview display content is bound to the

In the past two months, the basic requirements of the project have been basically customized and evaluated, and are implemented around quanzhi A31 and Android4.2.2. Recently, due to the need to modify his Camera architecture, the application needs