I am trying to create a widget that, when clicked on, launches the
browser and goes to a particular URL. Unfortunately, I have had a lot
of problems. I started with a (working) widget that, when clicked,
opened the alarm clock. Then, using the code from another Groups post
(http://groups.google.com/group/android-developers/msg/
11e54b1df3a4d279), I tried to convert it to open the browser instead.
Here is my (non-working) code:
public class Widget extends AppWidgetProvider
{
public void onReceive(Context context, Intent intent)
{
String action = intent.getAction();
if (AppWidgetManager.ACTION_APPWIDGET_UPDATE.equals(action))
{
RemoteViews views = new RemoteViews(context.getPackageName
(), R.layout.widget);
Intent i = new Intent(Intent.ACTION_VIEW).addCategory
(Intent.CATEGORY_BROWSABLE).setComponent(new ComponentName
("com.android.browser", "com.android.browser.BrowserActivity"));
Uri url = new Uri("http://www.cnn.com";);
i.setData(url);
PendingIntent pendingIntent = PendingIntent.getActivity
(context, 0, i, 0);
views.setOnClickPendingIntent(R.id.Widget, pendingIntent);
AppWidgetManager.getInstance(context).updateAppWidget
(intent.getIntArrayExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS),
views);
}
}
}
First, I get an error when I try to create the new Uri -- "Cannot
instantiate the type Uri." The Groups post I've been referencing uses
ContentURI - a class that doesn't seem to exist. There is a class
called ContentURIs, but I couldn't figure out a way for that to help
me. The section in the dev guide on intents doesn't really say what a
Uri is or how to create one, and if there's no constructor I'm rather
befuddled.
My goal is to just launch a web browser, but I inexplicably haven't
found a single "Hello, Web Browser!" app anywhere. I'd be happy to
abandon this code and start anew or to fix whatever the problem is
with a Uri. If anybody has any advice to offer, I'll be the happiest
girl in the world. Thanks!
PS - Unless it's bad advice... then I'll be sad.
(Note: This code is a modification of the excellent alarm clock widget
tutorial at
http://nexsoftware.net/wp/2009/07/29/tutorial-creating-a-custom-analogclock-widget/#)
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