activty开启关闭工具类，activty开启工具类, public c

activty开启关闭工具类，activty开启工具类, public c

    public class ActivityUtils {          /**          * 开启新的activity 并且关闭掉自己          */          public static void startActivityAndFinish(Activity context, Class<?> cls){              Intent intent = new Intent(context,cls);              context.startActivity(intent);              context.finish();          }          /**          * 开启新的activity           */          public static void startActivity(Activity context, Class<?> cls){              Intent intent = new Intent(context,cls);              context.startActivity(intent);          }      }