Android

1. Prepare the compiling environmentSudo apt-Get install build-essential ncurses-Dev 2. Get kernel source Git clone git: // android.git.kernel.org/kernel/common.gitGit checkout origin/Android-goldfish-2.6.29-B goldfish 3. Get prebuilt

In the past, I only noticed appwidget. Recently, I found that there is still a volume cut in the project. I made music myself, so let's talk about it. At the time of creation, an intent, action_create_shortcut, will be sent to the

The following is a draft of a previously edited custom log. Now, I don't remember the va_list function, I should have written it clearly at the beginning, and now I am too lazy to read it. /** My log for trace code */# ifndef mylog # define

When I first saw intent, I was a little confused: literally, it represents an intent and a purpose; in terms of usage, it seems to be always used for switching between activities; android. content seems to be related to the content. Therefore, I

I always wanted to study ndk, but it was always because it could not be used in the project. Today, I am idle, and hello World.   As an example, Google was used before doing anything. As a result, there are a lot of articles about ndk. Therefore, it

There are many ways to display GIF animation in Android. For example, you can use the decoding tool class on the j2_based platform, which is pure Java.However, Android provides us with a more convenient tool: Android. Graphics. Movie. The reference

Google's Android SDK has been released for a while, and it has been hard to find time for research. I started to force myself to enter the learning status again this week. The reason is simple: I am optimistic about the open gphone. The download and

The procedure is as follows:1. in the android source code (the target path is system/CORE/logcat. CPP), set this logcat. modify the static void readloglines (INT logfd) function in the CPP file as follows: Static void readloglines (INT logfd){

Many Android applications provide the "feedback" function to collect users' suggestions for this product. Today, we will study the implementation form of the "feedback" function on the market, taking 91 mobile assistants, Netease news, and Buka

Write the interface for parsing XML files in Android. Note that the input XML Path type isString path = "file:///data/data/com.example.androiddemo/network.xml";Otherwise, an exception is reported.This is tested on the android simulator and can be

The method for creating and parsing XML files in Android is mentioned above. In fact, Android also has a simple class for creating and reading and writing XML, that is, sharedpreference. Of course, make flexible choices based on different business

First, let's take a look at Comrade Luo's key event distribution process. Http://blog.csdn.net/luoshengyang/article/details/6882903#comments Here we mainly write down the distribution process of events from the native layer to the Java layer, that

Http://developer.android.com/guide/topics/ui/menus.html? # Intents Add the menu component based on the imported intent object In some cases, you need to use the menu component and intent to start an activity (whether the activity is in the current

We all know that the android database uses SQLite, but Google does not frequently write error-prone SQL statements to simplify operations, you can use contentprovider to encapsulate the query, add insert, delete, and update of data. Let's give you a

Native socket sends byte streams of gb2312 by default, so you need to specify gb2312 in Java. Byte [] buffer = new byte [50]; stringbuffer strbuf = new stringbuffer (); inputstream input = Receiver. getinputstream (); While (LEN = input. read

Link: http://android.tgbus.com/Android/tutorial/201105/353147.shtml Creating an aidl service is more complex than creating a common service. The specific steps are as follows: (1) Create an aidl file in the Java package directory of the eclipse

From: http://www.android-study.com/jichuzhishi/376.html We know that there is no way to stop a running thread in the Java thread, and the same is true in asynctask of Android. To stop a thread, we can set a flag in this thread, then, the key step

This article mainly aims to test whether the threadloop thread executes cyclically. 1. threadtest. cpp #include #include #include namespace android { class ThreadTest : public Thread { virtual bool threadLoop(); }; bool ThreadTest::

    I recently worked on Android camera development and found that this is still complicated. I also got a lot of related information from the network, but it is scattered, it is difficult to have a comprehensive understanding and positioning of the

Add the call permission to androidmanifest Public class Boda extends activity {/* declares the name of the button and edittext objects */private button mbutton1; private edittext medittext1;/** called when the activity is first created. * // @