IntentUtil.java :  » UnTagged » electricsleep » com » androsz » electricsleep » util » Android Open Source

package com.androsz.electricsleep.util;

import java.util.List;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;

public class IntentUtil {
  /**
   * Indicates whether the specified action can be used as an intent. This
   * method queries the package manager for installed packages that can
   * respond to an intent with the specified action. If no suitable package is
   * found, this method returns false.
   * 
   * @param context
   *            The application's environment.
   * @param action
   *            The Intent action to check for availability.
   * 
   * @return True if an Intent with the specified action can be sent and
   *         responded to, false otherwise.
   */
  public static boolean doesIntentHaveReceivers(final Context context,
      final String action) {
    final PackageManager packageManager = context.getPackageManager();
    final Intent intent = new Intent(action);
    final List<ResolveInfo> list = packageManager.queryBroadcastReceivers(intent, 0);
    return list.size() > 0;
  }
}