Android

The Android system is very convenient. You can use intent URI to call system contacts. The common methods are as follows:     Intent intent =NewIntent (intent. action_pick, contactscontract. Contacts. content_uri );

Solemn statement I am writing this article for the purpose of opening up technology and sharing ideas. This article is for reference only. Do not use it illegally or harmful to social harmony. Sodino 2011-01-24   Why can't I receive a prompt when I

The main content of this article is how to make the gallery and imageswitcher controls synchronize automatic playback of image sets, which seems difficult. However, the implementation method is very simple, Please come with me. In general, the

Silent Installation on Android seems to be a very attractive feature. Many people have asked this question. Today, I will share two methods for implementing Silent Installation. However, after reading this article, I will still disappoint some

Notification-notification is a way for your application to warn users without using activity. It is the best way to warn users of events that need attention by invisible program components (broadcast referers, services, and inactive activities.

/*************************************** **************************************** ************** Author: conowen @ Dazhong* E-mail: conowen@hotmail.com* Http://blog.csdn.net/conowen* Note: This article is original and only used for learning and

Media File Management on the Android platform is different from that on the desktop. On the desktop system, media files in different directories are displayed in a tree structure. You need to go to different directories to find files in these

Activity is the most frequent and basic module for Android Developers. In Android programs, activity generally represents a screen on the mobile phone screen. If you compare a mobile phone to a browser, activity is equivalent to a webpage. In the

Part 1 mathematical principles of Matrix In Android, if you have used matrix for image processing, you must know the matrix class. The matrix in Android is a 3x3 matrix with the following content:   Matrix processing of images can be divided into

Recently, my colleague installed a weather program and found that its special effects on sunny days were very dazzling. It also appeared on the system interface. I think it is very good. It is actually very easy to study, you can change the

Message Mechanism of Android learning notes     With the framework, we don't have to deal with naked OS APIs and do repetitive and complicated things. However, there is no free lunch in the world. We still need to learn how to use different

I haven't updated it for a while, but the project has basically been completed. You can write some new articles. Although the project has been completed, there are still many problems. In May March, new leaders will lead the new version to solve the

The function is cool and Android cannot be vague. You can use the gallery class to move images with your fingers on your iPhone. Today I made a small e-album: Suppose you have created a new project. First, store the prepared images in the drawable

I recently studied multi-touch and wrote a program that uses multi-touch to control image size and single-touch to control image movement.   In Android, The ontouchevent method is used to listen to touch events. Its parameter is motionevent. The

This article from http://blog.csdn.net/hellogv/, reference must indicate the source! The last time I talked about how to use the gallery control, this time I will talk about the combination of gallery and imageswitcher. This article implements a

Qt for Android in my eyes Introduction A few days ago, I shared my thoughts on QT for Android. From the response and feedback, I saw two extreme states. One is: "Great! I want to do Android development, but I don't want to switch to Java. I don't

This article from http://blog.csdn.net/hellogv/, reference must indicate the source! To achieve a drawer effect similar to launch on Android, you must first think of slidingdrawer. Slidingdrawer is one of the official Android controls. The main

This article from the http://blog.csdn.net/hellogv/, welcome to the extraction, reference must indicate the source! I used to introduce "multi-direction" drawer of Android 19th ". When this drawer component is not squashed with the surrounding

This article from: http://marshal.easymorse.com/archives/2950. write very good, share with you !!! In multi-activity development, activity jumps between applications or reusable activities with other applications. You may want to jump to an existing

This article from http://blog.csdn.net/hellogv/, reference must indicate the source! This article fixes the HTTP Proxy passthrough bug on the basis of video pre-loading (optimization) for playing Android mediaplayer. The proxy server used in the