■Unity側（WIFIはUnity側だけで完結）
using UnityEngine;
/// <summary>
/// 電波状態の取得クラス（WIFI/キャリア）
/// </summary>
public static class NetworkStatus
{
/// <summary>
/// 電波強度MAX値
/// </summary>
public const int MAX_SIGANAL_STRENGTH = 4;
#if !UNITY_EDITOR && UNITY_ANDROID
private static AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
private static AndroidJavaObject currentActivity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
#endif
/// <summary>
/// 通信状態を取得
/// </summary>
/// <returns></returns>
public static bool CanUseNetwork
{
get
{
// 通信可能ならTrue
return Application.internetReachability != NetworkReachability.NotReachable;
}
}
/// <summary>
/// 通信状況を取得
/// </summary>
public static int Level
{
get
{
int level = 0;
switch(Application.internetReachability)
{
// WIFI接続可能
case NetworkReachability.ReachableViaLocalAreaNetwork:
level = WifiLevel;
break;
// LTE/3G接続可能
case NetworkReachability.ReachableViaCarrierDataNetwork:
//level = CarrierLevel;
break;
default:
level = 0;
break;
}
return level;
}
}
/// <summary>
/// Wifiの電波レベルを取得して返す
/// </summary>
/// <returns></returns>
private static int WifiLevel
{
get
{
#if !UNITY_EDITOR && UNITY_ANDROID
var wifiManager = currentActivity.Call<AndroidJavaObject>("getSystemService", "wifi");
int rssi = wifiManager.Call<AndroidJavaObject>("getConnectionInfo").Call<int>("getRssi");
return wifiManager.CallStatic<int>("calculateSignalLevel",rssi,5);
#endif
return MAX_SIGANAL_STRENGTH;
}
}
}
キャリアのレベル取得用クラス（GetCarrier.java）
package jp.co.test.mobilestate;
import android.telephony.CellInfo;
import android.content.Context;
import android.os.Bundle;
import android.telephony.CellInfoCdma;
import android.telephony.CellInfoGsm;
import android.telephony.CellInfoLte;
import android.telephony.PhoneStateListener;
import android.telephony.SignalStrength;
import android.telephony.TelephonyManager;
import android.util.Log;
import java.util.List;
import com.unity3d.player.UnityPlayerActivity;
import static com.unity3d.player.UnityPlayer.UnitySendMessage;
public class GetCarrier extends UnityPlayerActivity {
TelephonyManager telephonyManager;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.d("TM", "onCreate");
telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
}
@Override
public void onResume()
{
super.onResume();
Log.d("TM", "onResume");
telephonyManager.listen(phoneState, PhoneStateListener.LISTEN_SIGNAL_STRENGTHS | PhoneStateListener.LISTEN_CELL_LOCATION);
}
@Override
public void onPause()
{
super.onPause();
telephonyManager.listen(phoneState, PhoneStateListener.LISTEN_NONE);
Log.d("TM", "onPause");
}
/**
* 電波強度の変更を検出するListner
*/
public PhoneStateListener phoneState;
{
phoneState = new PhoneStateListener() {
@Override
public void onSignalStrengthsChanged(SignalStrength signalStrength) {
Log.d("TM", "PhoneStateListener");
List<CellInfo> cellInfoList;
int cellSig, cellLv = 0;
try {
cellInfoList = telephonyManager.getAllCellInfo();
for (CellInfo cellInfo : cellInfoList)
{
if (cellInfo instanceof CellInfoLte)
{
Log.d("TM", "CellInfoLte");
// cast to CellInfoLte and call all the CellInfoLte methods you need
// gets RSRP cell signal strength:
cellSig = ((CellInfoLte) cellInfo).getCellSignalStrength().getDbm();
Log.d("TM", "cellSig=" + String.valueOf(cellSig));
// Gets the LTE TAC: (returns 16-bit Tracking Area Code, Integer.MAX_VALUE if unknown)
cellLv = ((CellInfoLte) cellInfo).getCellSignalStrength().getLevel();
Log.d("TM", "cellLv=" + String.valueOf(cellLv));
UnitySendMessage("GetSignal","onCallBack","CellInfoLte cellLv=" + String.valueOf(cellLv) + " getDbm=" + String.valueOf(cellSig));
}
if (cellInfo instanceof CellInfoGsm)
{
Log.d("TM", "CellInfoGsm");
cellSig = ((CellInfoGsm) cellInfo).getCellSignalStrength().getDbm();
Log.d("TM", "getDbm=" + String.valueOf(cellSig));
// Gets the LTE TAC: (returns 16-bit Tracking Area Code, Integer.MAX_VALUE if unknown)
cellLv = ((CellInfoGsm) cellInfo).getCellSignalStrength().getLevel();
Log.d("TM", "cellLv=" + String.valueOf(cellLv));
UnitySendMessage("GetSignal","onCallBack","CellInfoGsm cellLv=" + String.valueOf(cellLv) + " getDbm=" + String.valueOf(cellSig));
}
if (cellInfo instanceof CellInfoCdma)
{
Log.d("TM", "CellInfoCdma");
cellSig = ((CellInfoCdma) cellInfo).getCellSignalStrength().getDbm();
Log.d("TM", "getDbm=" + String.valueOf(cellSig));
// Gets the LTE TAC: (returns 16-bit Tracking Area Code, Integer.MAX_VALUE if unknown)
cellLv = ((CellInfoCdma) cellInfo).getCellSignalStrength().getLevel();
Log.d("TM", "cellLv=" + String.valueOf(cellLv));
UnitySendMessage("GetSignal","onCallBack","CellInfoCdma cellLv=" + String.valueOf(cellLv) + " getDbm=" + String.valueOf(cellSig));
}
}
} catch (Exception e) {
Log.d("SignalStrength", "+++++++++++++++++++++++++++++++ null array spot 3: " + e);
}
super.onSignalStrengthsChanged(signalStrength);
}
};
}
}
build.gradle
apply plugin: 'com.android.library'
android {
compileSdkVersion 28
defaultConfig {
minSdkVersion 17
targetSdkVersion 28
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar','*.aar'], exclude: ['classes.jar'])
compileOnly fileTree(dir: 'libs', include: ['classes.jar'])
}
■class.jarをAndroidstudioの指定のlibsフォルダの下に置く
下記パスにある
C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer\Variations\il2cpp\Release\Classes
or
C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer\Variations\il2cpp\Development\Classes
■aarの作り方
●赤丸のSyncをしてから
gradleビューを開き、assebleRelease を実行
■UnitySendMessage
第1引数はゲームオブジェクト名です、
ヒエラルキーにある名前と一致しないとダメ
ずっとクラス名だと思って地味にはまる。