Android

Sometimes, to display different images in the same ImageView, we often use:View plaincopy to clipboardprint?If (condition 1 ){Image. setBackground (R. id. xxx1 );} Else if (condition 2 ){Image. setBackground (R. id. xxx2 );}If (condition 1 ){Image.

Those who have used SQLite databases should be familiar with Cursor. If you are engaged in. net development, you can understand Cursor as a data set in Ado.net, which is equivalent to dataReader. Today, I will talk about it separately to deepen my

I. Usage of DDMS1. logCat: displays the logs displayed when the mobile phone or simulator is running.2. Log Level: Debug, Warning, Error, Info, V: All Information3. Add a filter)4. File Browser: You can view all files in the current simulator.Ii.

Modules A and B are mainly implemented in C and need to be compiled into two. so, B. so, but. so calls B. so function, B. so also called. so functions, and for some reason, A and B must be compiled separately. The problem is that no matter which

In this chapter, we will learn the application of Notification. Many people ask what Notification is? Let me give it an analogy. for travel to the West, Tang Miao is caught by monsters. Then Wukong needs to know which monster has caught his master.

Android progress bar1. Implementation results      2. layout codeWrite a my_browser.xml file to store the WebView. [Html]Android: layout_width = "fill_parent"Android: layout_height = "fill_parent"Android: orientation = "vertical">Android: id = "@ +

We plan to use the interfaces used in the test code as the points, and take the call relationship between interfaces as the lines to gradually crack the Audio veil in Android. **************************************** * Source Code *******************

Install the Android Virtual Machine under windows 7/xp. After updating the SDK, point to android-sdk-windows in Eclipse preference.Appears:This Android SDK requires Android Developer Toolkit version 17.0.0 or above. Current version is 10.0.0.v2011021

In android, localhost cannot be used to represent the local address. In fact, localhost is mapped to 127.0.0.1 on the pc, and there are different localhost representations on android: 10.0.2.2 That is to say, 10.0.2.2 represents the local computer,

@ Everyone is familiar with it. For example, @ + id/... @ string /... See the following code: [Html]Android: id = "@ + id/firstProgressBar"Style = "? Android: progressBarStyleHorizontal"Android: layout_width = "200dp"Android: layout_height =

MainActivity is as follows: [Java]Package com. example. asynctasktest;Import java. io. ByteArrayOutputStream;Import java. io. InputStream;Import org. apache. http. HttpEntity;Import org. apache. http. HttpResponse;Import org. apache. http.

I received a bug yesterday, which is described as follows: 1 Enter Settings --> Language & input2 Choose personal dictionary3.Choose add in menu4.Input some word and choose personal dictionary [Expected result] The word can be added to dictionary

> Adb shell pm list instrumentation (this command will list all installed apk) instrumentation: com. android. cts. stub/android. content. pm. cts. testPmInstrumentation (target = android) instrumentation: com. android. cts. animation/android. test.

Understanding the layout is very important for a good Android program design. In this tutorial, you will learn about relative layout. Relative layout is used to organize user interface controls or gadgets on the screen relative to other controls or

Android provides full support for SQLite databases. Any database you create in the application, and any class in the application can be accessed by name. We recommend that you create an SQLite database by creating a subclass of the SQLiteOpenHelper

It is convenient to use SharedPreferences to store some common settings. However, we know that SharedPreferences can only store some simple types. How can we use SharedPreferences to store some complex objects? The following uses map as an example

In the project, the file name to be downloaded is Chinese and there are spaces. If the connection is not processed for download, an error will be reported. To solve this problem, you only need to encode your url and then replace the space with the

-Keep class com. badlogic. gdx. backends. android. ** {*;} is like this, but it is not obfuscated: the class under this package (excluding the sub-Package) will use the class in the third article to store the package of this class, like the above

Each Android project contains a Manifest file, AndroidManifest. xml, which is stored at the bottom of the project level. A list can define the structure and metadata of an application and its components. It contains nodes that comprise every

This is information on the simulator: [plain] 01-29 02:42:41. 962: V/PhoneInfo (1002): DeviceID = 000000000000000 01-29 02:42:41. 992: V/PhoneInfo (1002): DeviceSoftwareVer = null 01-29 02:42:41. 992: V/PhoneInfo (1002): Line1Number = 15555215554 01-