Android

Compile and package the android project ant compilation and package the android project in eclipse. If the project is relatively large, it will be slow. Therefore, you can download the ant tool to compile and package the ant environment

The action bar was introduced after android3.0, mainly replacing the menu and tittle bar before 3.0. The action bar function cannot be used before 3.0. The custom action bar is introduced here. The custom action bar does not fully implement the

Android menus play a navigation role in mobile apps. The author summarizes five commonly used menus.1. Menu Some time ago, it was quite popular and I first saw it in the dolphin browser. I was the first to use the left and right menu. I heard it was

Android Developers sometimes need to start another application in one application. For example, launcher loads the list of all installed programs and can start another application when you click the icon.Generally, after knowing the package name and

This simple example demonstrates how to use Java to transfer files between the client and the server. Server Source Code:Import java.net. *; Import Java. io. *; public class fileserver { Public static void main (string [] ARGs) throwsioexception {

Vertical text scrolling [Function] In previous articles, I wrote how to scroll horizontally. Now let's talk about vertical scrolling.   [Principle] 1. Set the height of the scrollview control to a value. 2. How to scroll the display: scrollview.

1. Customize the activity display style First, create the colors. xml file under Res/Values and write: #9000   This value sets the transparency of the entire interface. To see the effect, it is now set to about 56% (9/16. Create styles. xml

There are many odex files in the android Rom. What is the role of this odex file relative to the DEX file in the APK? If you observe carefully, you will find that the file names correspond one by one, and the corresponding APK files do not contain

Install 1. Install the Java environment first. JDK/JRE will do all the work. Skip the steps after downloading and installing the environment on the official website (JDK/JRE 1.6 is recommended) 2.download apktool.jarand the relevant files. Here,

Manual packaging process: 1. decompile APKApktool D qq.apk qq2. You can modify the image file information in the QQ folder and package it into an APK file. apktool B QQ qq.apk 3. Sign the file (you need to create a certificate by yourself, you

Custom View Although the android framework provides a lot of interaction with users and can display views of various data, sometimes the basic view controls built in Android cannot meet some special requirements, in this case, we need to customize

Some time ago, when I made a demo, I needed to determine the network connection status of the machine and set up the network. I found the answer to the problem through checking the information. 1. Determine network conditions Private Boolean

Collection of some small Android feature sets This prevents our applications from appearing in the latest taskbar (Note: it is not the task manager ). Android: excludefromrecents = "true" Obtain all home applications installed on your mobile

To implement a simple custom view (excluding processing users' touch events), it usually takes only three steps. 1. inherit from a view (which can be a more specific view implemented by Android) and add the required Constructor (this is

Read http://blog.csdn.net/hmg25/article/details/8100896 before reading this article What is incremental upgrade? To put it simply, when the application version is updated, the usual practice is to re-download the new version to overwrite the old

Inflater indicates expansion. In Android, it indicates expansion. Layoutinflater is similar to findviewbyid (). The difference is that layoutinflater is used to find and instantiate an XML layout file in the layout folder! Findviewbyid () is used to

Because the space of the seekbar and ratingbar controls is relatively simple, code is directly pasted here. Use of seekbar: Content of the Main. xml file: Android: Orientation = "vertical"Android: layout_width = "fill_parent"Android: layout_height =

This section involves two classes: pendingintent and remoteviews. Pendingintent: The pendingintent class encapsulates intent, indicating that an encapsulated intent is passed from one object to another. When another object receives an event, intent

The most important part of using the autocompletetextview control is to use the arrayadapter adapter to provide content to him. In this example, there are two XML layout files: one is the main. xml file, which contains the textview and

Before using tabhost, let's take a simple look at its source code. Main variables include: Private tabwidget mtabwidget; Private framelayout mtabcontent; Private list mtabspecs = new arraylist (2 ); That is to say, our tabhost must have these three