The following image includes Android code for an app that contains a button with an id : "Downloadbutton". When the app user clicks this button, a progress bar with id: "progressBar" will show up. What will happen if you change *'rate+=10" illustrated with green underlined text to ''rate+=50"?
The following image includes Android code for a WebView widget (ID: MyWebView) to work as a web browser for the URL: http://www.androidatc.com. When you run this code, the app does not open the www.androidatc.com web site. Which step is still missing to open this web site through this app?
The SharedPreferences class provides a general framework that lets you save and retrieve persistent key-value pairs of primitive data types.
The code snippet below displays a menu which is illustrated in another image. The emulator image displays a menu that contains three items, but in the code file none of these menu items are available. Where do these items come from?
You can embed a web browser inside your application using the WebView class.