// AndroidManifext.xml
// <meta-data android:name="aa.bb.channelid" android:value="D4LW023" />
// <meta-data android:name="aa.bb.subchannelid" android:value="1" />
AndroidJavaObject activity = new AndroidJavaClass("com.unity3d.player.UnityPlayer").GetStatic<AndroidJavaObject>("currentActivity");
string packageName = activity.Call<string>("getPackageName");
AndroidJavaObject manager = activity.Call<AndroidJavaObject>("getPackageManager");
AndroidJavaObject packageInfo = manager.Call<AndroidJavaObject>("getApplicationInfo", packageName, manager.GetStatic<int>("GET_META_DATA"));
AndroidJavaObject aBundle = packageInfo.Get<AndroidJavaObject>("metaData");
string strChannelId = aBundle.Call<string>("getString", "aa.bb.channelid"); // string
int iSubChannelId = aBundle.Call<int>("getInt", "aa.bb.subchannelid"); // int
[정보제공] 게임코디-선후님