Activity layout and instances in Android

  1. How to Use linearlayoutSome unfamiliar component parameters:/** Center vertically */Android: gravity = "center_vertical"Note: The Dip format has nothing to do with screen resolution and is applicable to various screens./** Set single

Network programming error in Android

Download on Android 2.3Program, Run on Android 4.0Android. OS. networkonmainthreadexceptionException. In 4.0, the access network cannot be performed in the main program. There are two solutions. One is to add in the main program: // For details,

Android recommendation development books and references

The Android system is divided into six parts according to the architecture. Therefore, we recommend suitable books for each part based on our own feelings. 1. Android Application Android developer document, Pro Android, professional Android

Custom alert clock in Android

The alarm clock is a common tool in our life. The Android system provides powerful alarm clock interfaces and is easy to use. Alarmmanager is an alarm management interface provided by Android. We want to create an alertProgramIt is needed. Next, let'

Refreshing listview content in Android

Recently I encountered a problem when learning the listview control of Android. How to add an item to the listview and refresh it in time. I have checked many posts on the Internet, and many people are asking and answering questions, but in general

Linear layout in Android

I am reading the android Development Article When you see the linear layout, you cannot understand the layout_weight attribute in it. Bytes -------------------------------------------------------------------------------------------------------

Android-ADT local configuration and SDK Configuration

First, go to the official website http://developer.android.com/index.html to download ADT and SDK corresponding version. ADT configuration: Open eclipse For example, select install new software. After you click Add, an example is displayed.

Table layout in Android

The table layout is based on table behavior. a ui element in the row is one column. You can set a UI element that spans the layout_span attribute. Tablelayout-table layout. Tablerow-rows in the Table. Each element in the row is counted as

Download and display images of a specified URL in Android

It seems that there has been no writing technology for a long timeArticleNow, I just recently sorted out the android development that I did a while ago and recorded it here. This is a simple application-download and display images from a specified

Android layout XML Summary

Common attributes: JavaCodeAssociate the control with btn1 Android: Id = "@ + ID/btn1"   Widget width Android: layout_width = "80px" // "80dip" or "80dp" Android: layout_width = "wrap_content" Android: layout_width = "match_parent"  

Uri usage in Android intent

IntentIt should be something special in Android. You can specifyProgramThe action to be executed (such as view, edit, dial), andMaterials. After all settings are specified, you only need to call startactivity (), AndroidSystemWill automatically find

Learning about Android threads

When the applicationProgramAt startup, the system creates a process for it, and also creates a thread named main, creating all its components, and processing system events, the system callback and other application-related tasks run in the main

[Z] ubuntu12.04 build an android Development Environment

I have been preparing to learn something about Linux and have never put it into practice. I have been preparing to install it this weekend. I have been doing Android development for nearly half a year, and I want to learn something about the

Scyclingdrawer drawer effects for Android

The slidingdrawer hides content outside the screen and allows you to drag a handle to display hidden content.It consists of two sub-views: one is the handle dragged by the user, and the other is the content that changes with the drag ).

A large collection of views for Android Study Notes (personal notes)

Make a small sign-inProgram, Fill in the sign-in information in the first activity. Then it is displayed in the second activity. As you can see, this program involves textview, edittext, spinner, radiogroup, radiobutton, button, and listview

The android development environment is finally ready!

The android development environment is still relatively safe. After reading the previous tutorials on the Internet, the home network speed is too slow. After waiting for a long time, I finally installed the environment. First, take a few pictures:

Responsive Design of Android applications

Source Address: $ {Android-SDK-Windows}/docs/GUIDE/practices/design/responsiveness.html You wroteCode It may be able to pass all the performance tests in the world, but users may go crazy when using your application. Because your application

10 classic open-source Android applications

Android development will bring about a new wave of popularity. Many developers have invested in this wave and created many excellent applications. Many developers provide open-source applications and contribute their wisdom and creativity. Learning

Use of Android TabHost

There are two ways to implement the tab View in android. One is to define the label in the layout page, and the other is to inherit tabactivity. however, I prefer the second method. It should be because if the page is complex, your XML file will be

[Reprinted] Android development tour: Environment Building and HelloWorld

-- To do this, you must first sharpen your tools. Introduction This series is suitable for people with 0 basics, because I started from 0. This series records my experience in Android development and I hope to share it with you! As a newcomer to the

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