Android

1. Intent is an abstract description of the action to be executed. Intent is used to assist in communication between android components. For example, you can call startActivity () of the Activity instantiation object to start an activity, or

Network File System (NFS) is a mechanism for attaching partitions (directories) on remote hosts to local systems through the Network, with support for the network file system, you can operate on the shared partition (directory) of the remote host on

#059 #060 get_hardware_name (); This code obtains information about the hardware running on the current android system, such as the CPU name of the hardware. It mainly reads related information from/proc/cpuinfo.     #061 snprintf (tmp, sizeof (tmp),

In the init. rc file, you can see the following services loaded: Service restart/system/bin/restart-daemon -- system -- nofork Socket receiver stream 660 bluetooth User bluetooth Group bluetooth net_bt_admin The ghost service code is in the

From blog.csdn.net/hellogv 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 character of this article is not it, but a collection of Folk

During Android development, the error message "R cannot be resolved to a variable" appears to be unknown. Generally, I have summarized several possible solutions, I hope it will work in the future...   1. Check whether the Android SDK is lost and

This example shows the various modes of Poter Duer when the image foreground and background are merged, that is, Alpha Blending and Alpha Composting. For details, see Android ApiDemos example resolution (59 ): graphics->

This example describes how to use Vibrator in OS. Class MorseCodeConverter provides the function of converting letters and numbers to Morse code:   For example,/* A */new long [] {DOT, GAP, DASH} correspond to Dot, Gap, and Dash respectively. The

It seems that at the beginning of 4.0, the ui thread will not be able to use httpclient to perform network-related operations, and an exception will be reported, but it will not happen on 2.2 and 2.3. So there were a lot of weird problems during

Requirement: during development, the server needs to compress the obtained image into a specified width and height. For example, you need to upload an image with a width of 100 and a height of 200.An API provided in android2.2 can be directly

This example introduces the usage of the UI component Chronometer, which implements a simple timer. You can set the reference time for the timer. The parent class of Chronometer is TextView, and the display time format is MM: SS or H: MM: SS ", you

In this example, a Button is displayed on the top, bottom, left, and right of the screen. Its Layout is defined as follows: Android: layout_width = "wrap_content"Android: layout_height = "wrap_content"Android: layout_alignParentTop = "true"Android:

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

Android-receives broadcasts from appwidgets and updates the status of Appwidget controls I heard that desktop users have to fill it out. For PC users, 360 and QQ are basically the most frequently used applications. Each program has corresponding

 Register an Android map API keyRun: keytool-list-keystore ~ /. Android/debug. keystoreAfter registration, you will get the following webpage:Your key is:XxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxThis key applies to all applications that use the

1. use the beginTransaction () method of SQLiteDatabase to start a transaction. When the program runs to the endTransaction () method, it checks whether the transaction flag is successful. If the program runs to the endTransaction () method ()

MainActivity[Java]Package com. demo. tabfragmenttest; Import android. R. anim;Import android. content. Intent;Import android. OS. Bundle;Import android. view. Menu;Import android. view. MenuItem;Import android. widget. TabHost;Import android.

The delete operation of ContentProvider can delete data, and this method returns the number of records of the currently deleted data.   Sdk api description     However, after reading the following content, you will find that this is not the case on

Previous: http://www.bkjia.com/kf/201208/149367.html This example provides a wave of forward effects for the Cell of the GridView. Android: rowDelay = "75%"Android: columnDelay = "0%"Android: direpripriority = "none"Android: animation = "@ anim/wave_

On google's page "Initializing a Build Environment" I got this to install sun-java6-jdk, cause I have to compile android 4.0, and open-jdk cannot help me$ Sudo add-apt-repository "deb http://archive.canonical.com/lucid partner"$ Sudo apt-get update$