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opening local html file with Android Browser

i'm trying to open a local html file using the default browser using the following code:

Uri uri = Uri.fromFile(file);
Intent browserIntent = new Intent(Intent.ACTION_VIEW).setData(uri);
startActivity(browserIntent);

but i'm getting the following exception:

android.content.ActivityNotFoundException: No Activity found to handle Intent { act=android.intent.action.VIEW dat=file:///sdcard/SolveDroid/solution.html }

i'm confused - should i create an activity to hande the web beowser? isn't it supposed to just call its activity?

please advise :)

UPDATE: the same code works if i pass a URL like so: Uri uri = Uri.parse("http://www.metalist.co.il");

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    Uri uri = Uri.fromFile(file);
    Intent browserIntent = new Intent(Intent.ACTION_VIEW);
    browserIntent.setClassName("com.android.browser", "com.android.browser.BrowserActivity");
    browserIntent.setData(uri);
    startActivity(browserIntent);

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