Android

1.Introduction Message pushing means sending a connection from the server to the mobile terminal and transmitting certain information. For example, some news clients receive one or more notifications at intervals, which is the push messages sent

In some specific situations, you cannot use static methods to define the view used in the page. For example, a custom graph is an independent view. To insert it into a page as a part, you need the following methods: Linearlayout L = new

1. Concept: when developing complex interfaces, especially tablet pages, the interface layout is often much more complex than the mobile phone layout. In this case, nested layout is required. At the same time, to achieve a certain effect, local

  Preface Because the materials of different Android tablet touch screens are different, the sliding effect may be different. Some of them are sensitive and some are slow. Here we have met the requirement to control the sliding

Preface In a main interface, TabActivity is usually used for Activity switching, which is convenient to use. The Activity is relatively independent from each other, but the customization is not strong, and it is difficult to modify. Of course, you

    Preface This chapter describes android. widget. Chronometer. OnChronometerTickListener and its version is Android 2.2 r1. I look forward to your participation in Android Chinese API translation, contact me over140@gmail.com.   Statement You are

  Preface Result of this article: when the input text box is empty, the input icon is displayed. If it is not empty, the empty icon is displayed. Click the clear icon to clear the input text in the text box.   Statement You are welcome to repost,

  Preface This chapter content dalvik. system. DexFile chapter, version for Android 4.0 r1, translated from: "A Year", welcome to visit his blog: "http://blog.csdn.net/mtding", thank you again "a year "! We look forward to your participation in

  Preface This chapter covers android. widget. AdapterView. OnItemLongClickListener. The version is Android 2.3 r1 and translated from "cnmahj". You are welcome to visit his blog: http://android.toolib.net/blog/. Thank you again "cnmahj "! Welcome

  Preface This chapter is about android. widget. Filter. FilterListener. The version is Android 2.2 r1 and translated from "henly. zhang". Thanks again "henly. zhang "! I look forward to your participation in Android Chinese API translation, contact

  Preface This chapter is about android. widget. ZoomButtonsController. Its version is Android 2.2 r1 and translated from "zookeeper". You are welcome to visit his blog: http://www.cnblogs.com/mxgsa/. thank you again for "zookeeper "! I look forward

  Preface It took some time to help a friend develop a calculator, which may be useful in the future.   StatementWelcome to repost, but please keep the original source of the article :) blog Park: http://www.cnblogs.com farmer UNCLE: http://over140.

Logoff and Handler Analysis] As far as application programs are concerned, Java applications in the Android system are the same as those in other systems, and work by messaging. Their general working principles are as follows: A. There is a message

Preface: The built-in CursorAdapter adapter in Android can load data bindings in fixed formats. However, in actual application development, the Item display in ListView varies with the data. Example:This problem is encountered in our actual

In the entire Android program, you sometimes need to save some global data (such as user information) for convenient calling anywhere in the program. There is a relatively useful method for data transmission between activities, that is, global

Today, when creating an application, you need to use a method similar to pressing the return key of QQ and not destroying the Activity (that is, do not call the Activity. finish (), the system does not call onDestroy), but is similar to pressing the

According to the lifecycle of the activity, when the activity is not displayed, the onStop function (such as pressing the home Key) will be executed. Therefore, you put the notification in the notification bar in the onStop function (except press

EditText inheritance relationship: View --> TextView --> EditTextEditText has many attributes. Here we will introduce several attributes:Android: hint = "enter a number! "// Set the prompt information displayed on the spaceAndroid: numeric =

This article describes how to download the source code of the android sdk on linux and windows platforms. Note that the source code of the sdk is not all the source code of android, this article also introduces how to add the sdk source code to

Most Android apps with network connections Use HTTP to send and receive data. Android contains two types of Http client classes: HttpURLConnection and Apache HttpClient. Both support HTTPS, streaming upload and download, configuration timeout, IPv6,