Android

When developing android applications, you often press the return key (that is, keyCode = KeyEvent. KEYCODE_BACK) to close the program. In most cases, the application is still running in the task. In fact, this is not the result we want. We can do

Here is an example of self-built online: http://express.ruanko.com/ruanko-express_34/technologyexchange5.html However, this example is not illustrated on the Internet, and some situations are different, so I wrote it again. 1. obtain and use the

When Ecplise + ATD + Android SDK is installed to develop android, the first thing that comes to mind is to run a write example. You have an intuitive understanding of what Android is. In the Ecplise workspace import book, Android may encounter

In Windows, After configuring the Adroid environment variable (such as adding d: android-sdk-windows-1.0_r1ools to the system variable PATH), enter in the command line window:EmulatorAfter the Android simulator is started, enter:Adb shellEnter the

A search on the Internet will create shortcuts for your own applications, but this article focuses on creating Desktop shortcuts for "specified applications.Common Desktop shortcuts have two elements: 1. Application name 2. Application icon. The

  C/C ++ code // Call the browser Uri uri = Uri. parse (""); Intent it = new Intent (Intent. ACTION_VIEW, uri ); StartActivity (it );       Copy to clipboard C/C ++ code // Display a coordinate on the map Uri uri = Uri. parse ("geo: 38.899533,-77.036

The advantages of the flight mode are: 1. You can have a quiet rest time 2. Reduce radiation to the body 3. Saving Power 4. Do not close the alarm Therefore, it is very useful to set the flight mode. The following is an example: Set the required

The author directly mounted the USB flash drive to the SD card. My machine is a MTK6575 platform that supports sdcard and sdcard2. You can manually mount the USB flash disk to sdcard2 to identify the USB flash disk, but this is only a temporary

In the previous section, we have learned how to display the option MENU when pressing the MENU key. However, in addition to the option menu, you can also display a context menu. Context menus are usually associated with components in the activity.

Draw a very ugly robot... Add the key code: MainView. java 001Package com. tszy. views;002 003Import java. io. File;004Import java. io. FileNotFoundException;005Import java. io. FileOutputStream;006Import java. io. IOException;007 008Import android.

WebView can load and display webpages as a browser. It uses the WebKit rendering engine to load and display webpages. There are two different ways to achieve WebView:Step 1:1. instantiate the WebView component in the Activity: WebView webView = new

This article describes the development of the SOCKET server and client. In this article, data is not received asynchronously. There are too many examples of asynchronous and storage client sockets on the Internet, but their code is very large and

The following is an example of the effect of translucent custom Activity:Res/values/styles. xml Res/values/color. xml #50000000 Note: For color. xml #5000000, the first two parameters are transparent, from 00 to ff (transparent-not transparent), and

1. Android library 'xxx. so' not in prelink map error SolutionIt may appear when compiling your Android library.Library 'xxx. so' not in prelink map error,This is caused by the Pre-compilation settings of Android,

Here, I just want to record my learning experience and hope to give some new users some inspiration and spend less time exploring. If there is any inaccuracy, I would like to express my gratitude.The android sdk integrates three simple tools for

1. Declarative header file Import android. util. Log; Import android. location. Location;Import android. location. LocationManager; 2. Create variables and Their Applications Public static final String DEBUG_TAG = "MySecondAppLogging "; Public

After registering the developer account of Google electronic market, you can publish the application on it for users to download. The uploaded application needs to be upgraded and modified later ....   I have encountered several problems in this

So far, we have learned that when the screen direction is changed, the activity will be destroyed and then rebuilt. Remember that when an activity is rebuilt, its current information may disappear. When an activity is killed, one or two of the

1. Use the setAnimation of the View to implement animation (TextView, ImageView, ListView, and so on) Java code:[Java]Public void UpdateViewContent (){TextView txtview = (TextView) findViewById (R. id. content_view );Txtview. setText (MyGetNextText (

Translation       I have been working on the screen lock interface recently. I have also written some simple principles about the screen lock interface before. I didn't want to really understand it myself. I found that the screen lock framework is