我尝试了以下意图方法,但它不起作用,
Intent intent = new Intent("android.intent.action.BADGE_COUNT_UPDATE");
intent.putExtra("badge_count", 3);
intent.putExtra("badge_count_package_name", getApplicationContext().getPackageName());
intent.putExtra("badge_count_class_name", MainActivity.class.getName());
getApplicationContext().sendBroadcast(intent);