gistfile1.java

public class Test
{
	public void Test1()
	{
		// Usage:
		// blacklist
		String[] blacklist = new String[]{"com.any.package", "net.other.package"};
		// your share intent
		Intent intent = new Intent(Intent.ACTION_SEND);
		intent.setType("text/plain");
		intent.putExtra(Intent.EXTRA_TEXT, "some text");
		intent.putExtra(android.content.Intent.EXTRA_SUBJECT, "a subject");
		// ... anything else you want to add
		// invoke custom chooser
		startActivity(generateCustomChooserIntent(intent, blacklist));
	}
}
public final class Utils
{
	public static final class IntentInfo {
		public String SimpleName;
		public String PackageName;
		public String ClassName;
	}

	public static Intent GenerateCustomChooserIntent(Intent prototype, String[] forbiddenChoices) {
		final String Title = "Share";

		List<Intent> targetedShareIntents = new ArrayList<Intent>();
		List<IntentInfo> intentMetaInfo = new ArrayList<IntentInfo>();
		Intent chooserIntent;

		Intent dummy = new Intent(prototype.getAction());
		dummy.setType(prototype.getType());
		PackageManager pm = Utils.GetContext().getPackageManager();
		List<ResolveInfo> resInfo = pm.queryIntentActivities(dummy, 0);// PackageManager.MATCH_DEFAULT_ONLY);//I think default is not good idea

		if (!resInfo.isEmpty()) {
			HashSet<String> blackListedPackagesHashset = new HashSet<String>();
			if (forbiddenChoices != null) {
				for (String blackListPackageName : forbiddenChoices)
					blackListedPackagesHashset.add(blackListPackageName.toLowerCase(Locale.US));
			}

			for (ResolveInfo resolveInfo : resInfo) {
				if (resolveInfo.activityInfo == null
						|| blackListedPackagesHashset.contains(resolveInfo.activityInfo.packageName
								.toLowerCase(Locale.US)))
					continue;

				IntentInfo info = new IntentInfo();
				info.PackageName = resolveInfo.activityInfo.packageName;
				info.ClassName = resolveInfo.activityInfo.name;
				info.SimpleName = String.valueOf(resolveInfo.activityInfo.loadLabel(pm));
				intentMetaInfo.add(info);
			}

			if (!intentMetaInfo.isEmpty()) {
				// sorting for nice readability
				Collections.sort(intentMetaInfo, new Comparator<IntentInfo>() {
					@Override
					public int compare(IntentInfo info1, IntentInfo info2) {
						return info1.SimpleName.compareTo(info2.SimpleName);
					}
				});

				// create the custom intent list
				for (IntentInfo metaInfo : intentMetaInfo) {
					Intent targetedShareIntent = (Intent) prototype.clone();
					targetedShareIntent.setPackage(metaInfo.PackageName);
					targetedShareIntent.setClassName(metaInfo.PackageName, metaInfo.ClassName);
					targetedShareIntents.add(targetedShareIntent);
				}

				chooserIntent = Intent.createChooser(targetedShareIntents.remove(targetedShareIntents.size() - 1),
						Title);
				if (targetedShareIntents.size() > 0)
					chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS,
							targetedShareIntents.toArray(new Parcelable[] {}));
				return chooserIntent;
			}
		}

		return Intent.createChooser(prototype, Title);
	}
}