Android

1.1.1 Handlerepaint After the handletransaction and handlepageflip steps are ready, you can now synthesize the layer data. void Surfaceflinger::handlerepaint () {... Mswapregion.orself (mdirtyregion); Const DISPLAYHARDWARE&HW (graphicplane (0).

Local windows in Android Framebuffernativewindow 1.1 The local windows in Android In the learning process of OpenGL, we keep mentioning the concept of "local window" (NativeWindow). So how does the Android system localize OpenGL ES, or does it

Introduction of Bindservice Bindservice is the binding service that performs the logical flow of service services. Service starts with the Context.startservice () method, stops through the Context.stopservice () method, or through the

From today, let's take a look at Android's multithreaded knowledge, Android is easy to get started, but it's not easy to do a perfect product, so let's start with the thread and step into Android. First, thread based review Package com.maso.test;

1.Sensor Type Gravity sensor/Accelerometer (g-sensor) Light Sensing (light-sensor) Temperature sensing Direction sensing Magnetic field Proximity of 2. How to implement sensor programming A. Get system services (Sensor_service) return a

See a post, do note, post in: http://topic.csdn.net/u/20110304/15/ae5279b1-692e-48a7-a5b9-0e579a3a6974.html What I want to record is: Do a reminder function of a service, automatic unlock + light screen. Write an activity start the service, use a

The function you need is simple, a list with a checkbox, and you need to know what the user has chosen for the project, as shown in the following figure: Using Simpleadapter as the data adapter, rewrite the Simpleadapter.viewbinder method so that

Dick Silk personal developers often encounter the embarrassing problem is that they do not design UI material and could not afford professional art. The best way is to go online to download the material to meet their own needs modified to direct use.

Custom controls are divided into two categories, custom ViewGroup controls, and custom view controls; The pace of tracking view can actually follow the Java implementation of the bottom of what we can find is only canvas, and then down is C + + or C

The iphone's first real competitor, G1, is on schedule, just like Apple's product, which is a powerful handheld and has an open-source operating system and an intelligent touch-screen user interface. Like the iphone, Android has the potential to be

People who have written Java programs know that the configuration file is a great tool for Java to implement a variety of frameworks, and the manifest list file has a natural effect on Android, but what exactly is defined inside him and how he is

This paper introduces the implementation of the Android Terminal scanning AP information and sending it to the server side continuously. First, a network virtual link is formed between the Android terminal and the PC based on the TCP protocol. Use

The Sharedpreferences object allows you to save some "key value pairs" types of data, such as user ID, birthday, gender, ID number, and so on. However, there are times when you need to use a traditional file system to save data. For example, you may

In the previous section, we already know how to display the Options menu when you press the menu key. However, in addition to the Options menu, you can also display a context menu. Context menus are usually associated with components in the activity.

Menus can be used to display additional options that do not have to appear in the main interface. In the Android framework, there are 2 main types of menus: Options menu--Displays information about the current activity. Use the menu key to trigger

As you can see from the previous lessons, ListView is used to display a long list of information while filling the entire screen (listactivity). But sometimes, you might want to have other similar views, so you don't have to fill up the entire

A very important feature of modern mobile devices is the direction in which the screen can be rotated. Of course, Android is no exception. Android supports two screen orientations: Portrait (vertical screen) and landscape (horizontal screen). By

Like activities, fragments has their own life cycle. Understanding the lifecycle of fragments allows you to save instances of them when they are destroyed so that they can revert to their previous state when they are created again. The following

So far, you've learned how to use the intent object to invoke other activity. Next, let's say how the intent object is used. 1. You can pass an action to the constructor of the intent: StartActivity (New Intent ("net.learn2develop.SecondActivity"

Remember in the previous article, I took you from the source point of view of the analysis of the Android view of the event distribution mechanism, I believe that the reading of the Friends of the view of the event distribution has a more profound