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. setdatasource (getapplicationcontext (), contenturi );//... prepare and start... Jetplayer The Android platform contains a jet engine, which can be used to add interactive jet audio content to your application. you can use the jetcreator application in the SDK to create the jet content. to play and manage jet content, use the jetplayer class. Play jet content This section describes how to write, configure, and play the jet content. for more informat

Animation (4) Customizing animationsUsing listener events to change the state of a animationLarge.xmlXML version= "1.0" encoding= "Utf-8"?> Scalexmlns:android= "Http://schemas.android.com/apk/res/android"android:duration= "+"Android:fromxscale= "0.2"Android:fromyscale= "0.2"Android:pivotx= "50%"Android:pivoty= "50%"Android:toxscale= "1.0"Android:toyscale= "1.0" >

Weathercontract.javaDon shows key/foreign key in detail.Define constants in contractLocationentryChapter II Sqllite Open Helper and Sunshine database repeated the next station map began to moveWeatherdbhelper Code-Database name-related statements for the database-Create TABLE-Specify foreign keysDatabase testingThe result was not passed.The approximate reason is that only weather.db has been created and no locatin.db has been createdNext to modifyHere's the next one to make up for the rest of t

implement landing page and jump and simple registration pageFirst, let's look at the XML code for the layout login.xml　　Let's look at the first line, which is mainly about XML version information and encoding format. The next is the point, the code is written, we can see how the layout of the code is also easy to debug, then this time need to click on the graphical layout below, this is a visual editing window, we write the XML code is what it looks l

Intent object for receiving app widget Broadcast Appwidgetprovider is just a convenient class. If you want to directly receive app widget broadcasts, You can implement your own broadcastreceiver class or override the onreceive (context, intent) callback method. You need to care about the following types of intent objects: Action_appwidget_update Action_appwidget_deleted Action_appwidget_enabled Action_appwidget_disabled Action_appwidget_options_changed Create a configuration activity for the app

The most basic concept of the MVC pattern is a layered design that encapsulates our code based on a view (view), model (models), controller (director), which is designed to make the code easier to maintain and extend, with a clear structure.In the previous article, we completed the interface restore of the calculator, but strictly not the real view class because it did not reflect the logic of the view. In this article, we will write the View section of the calculator program, let's go!(Note: Th

Finally, C ++ code porting was introduced to bootloader. The only achievement was familiarity with makefile. Some factory companies could not afford to be hurt. Every time they had to do something to meet the needs of factory-side testing, in order to be able to meet the requirements of the factory for testing in Boot, after discussion with the chip company, only C ++ can be obtained to boot, it is really a second decision that boot will eventually achieve 2 m larger than some kernel. However, i