Get a list of available Content Providers

It should be possible by calling PackageManager.getInstalledPackages() with GET_PROVIDERS.

EDIT: example:

    for (PackageInfo pack : getPackageManager().getInstalledPackages(PackageManager.GET_PROVIDERS)) {
        ProviderInfo[] providers = pack.providers;
        if (providers != null) {
            for (ProviderInfo provider : providers) {
                Log.d("Example", "provider: " + provider.authority);
            }
        }
    }