工具类 安卓 判断设备是否提供该Intent功能

/**判断intent 意图对象是否可用   true:有改intent的功能  false 没有  例如打电话*/public static boolean isIntentAvailable(Context context, String action) {   try {      PackageManager packageManager = context.getPackageManager();      Intent intent = new Intent(action);      List<ResolveInfo> list =  packageManager.queryIntentActivities(intent,PackageManager.MATCH_DEFAULT_ONLY);      return list.size() > 0;   }catch (Exception e){      return false;   }}