Android

In Android development, many of my friends may determine the network type of the mobile phone, because the current Android mobile phone may be in a 4-digit status.1. No network (this status may be due to the shutdown of the mobile phone, the network

This open-source Android player is developed based on FFMPEG and provides direct output of audio and video at the JNI layer. It does not use BMP and audiotrack output at the Java layer. It supports Arm Assembly acceleration and is super streamlined.

1. How to obtain the MAC address of a local machine from Android: You need to add permissions to the androidmanifest. xml file: public String getLocalMacAddress() { WifiManager wifi = (WifiManager)

Compile Android source code Android compilation details are provided on the official website of Android. Http://source.android.com/source/building.html   Initialize the compiling environment Switch to the android source code directory: $ cd

This example paves the way for "surfaceview using instances. First, go to the following: Requirements:Along the positive direction of the Y axis, when the value is reduced by 1, the animation rotates counter-clockwise. When the value is increased

Today, we have a requirement in the project to use seekbar to control the volume. I thought it was a very simple thing (it was indeed a very simple thing), but at the beginning it could not achieve what I wanted. After some modifications and

The project encountered a mail sending function, which found a lot of information on the Internet. I will not introduce them here. I just wrote out the solution I used (the simplest) Intent email = new intent (Android. content. intent. action_send)

Recently, GPS is being used on Android. It is always difficult to get up or down, no data, and debugging is in progress. Therefore, we carefully analyzed the code from top to bottom. The soul function is The requestlocationupdates function is mainly

  I am so ashamed to myself. I have been looking for a long time to use ndk to develop openggl es learning materials and I have not found any suitable materials (if I find that I cannot understand the English language, the program is too complicated

A recent project requires the server to actively push messages to the client. In this case, the HTTP connection is unavailable. The blogger asked a friend and recommended the websocket protocol to me. I tested it and found that the effect was

When reading the information, I often see various VGA, all mixed, helpless. I found some information to summarize and share it with you: These terms refer to the screen resolution.VGA: video graphics array: displays the drawing matrix, which is

As explained in the previous article, I believe everyone has a preliminary understanding of the open-source slidingmenu Project (For details, refer From this chapter, the bloggers will focus on slidingmenu, bringing you a wealth of examples and

In some scenarios, We need to display a series of pages to users. For example, if we are developing a cartoon watching application, we may need to display a cartoon image to users. Users can use their fingers to slide the screen and switch between

This problem occurs in the android custom view. You can find the cause on the Internet,Xmlns: xxx = "http://schemas.android.com/apk/res/com.xxx.xxx.ui" The path specified here is the package defined in androidmanifest. xml: Solution: COM. XXX. XXX.

We know that the android program architecture is designed in accordance with the MVC pattern, and the display and logic operations are well separated. The XML file is used to add and layout views. The activity is used to display various views, while

Android. some Classes in jar provide mobile phone-related information, such as Android. telephony. telephonymanager, android. OS. to view more information, go to frameworks to view more detailed class relationships. Copy a piece of code to briefly

In essence, the broadcast mechanism of the Android system is a message subscription/publishing mechanism. Therefore, the first step to use this message-driven model is to subscribe to messages. for Android applications, subscribing to a message is

Official help documentation and Http://developer.android.com/sdk/installing/studio.html   Introduction to Android Studio The Google I/O 2013 conference kicked off at on October 11, May 16, 2013, Beijing time. At the press conference, Google

Finally, the android-driven USB camera is ready! Thanks to a post posted by stackoverflow, there are several key words in the post, and then the problem is solved. Post description:The premise is that your USB camera is UVC compatible (most cameras

Document directory Step 1. Install JDK and Eclipse IDE Step 2. Download Android SDK starter package Step 3. Install ADT plugins for eclipse Step 4. Install Android SDK Ubuntu (Latest Version: 12.04 LTs) is now the most popular GNU/Linux