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[#607]新增获取网络信号强度的能力 #608

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Nov 23, 2023
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[#607]新增获取网络信号强度的能力 #608

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140 changes: 136 additions & 4 deletions core/runtime/android/features/src/main/java/org/hapjs/features/Network.java
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
/*
* Copyright (c) 2021-2022, the hapjs-platform Project Contributors
* Copyright (c) 2021-present, the hapjs-platform Project Contributors
* SPDX-License-Identifier: Apache-2.0
*/

Expand All @@ -10,15 +10,33 @@
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.telephony.CellInfo;
import android.telephony.CellInfoCdma;
import android.telephony.CellInfoGsm;
import android.telephony.CellInfoLte;
import android.telephony.CellInfoWcdma;
import android.telephony.CellSignalStrengthCdma;
import android.telephony.CellSignalStrengthGsm;
import android.telephony.CellSignalStrengthLte;
import android.telephony.CellSignalStrengthWcdma;
import android.telephony.ServiceState;
import android.telephony.SignalStrength;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
import android.util.Log;

import androidx.core.app.ActivityCompat;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.List;

import org.hapjs.bridge.CallbackContext;
import org.hapjs.bridge.CallbackHybridFeature;
import org.hapjs.bridge.FeatureExtension;
Expand All @@ -28,6 +46,7 @@
import org.hapjs.bridge.annotation.ActionAnnotation;
import org.hapjs.bridge.annotation.FeatureExtensionAnnotation;
import org.hapjs.common.executors.Executors;
import org.hapjs.common.utils.ReflectUtils;
import org.hapjs.common.utils.SystemPropertiesUtils;
import org.json.JSONArray;
import org.json.JSONException;
Expand Down Expand Up @@ -78,6 +97,7 @@ public class Network extends CallbackHybridFeature {
protected static final String ACTION_GET_SIM_OPERATORS = "getSimOperators";
protected static final String KEY_METERED = "metered";
protected static final String KEY_TYPE = "type";
protected static final String KEY_SIGNAL_STRENGTH = "signalStrength";
protected static final String KEY_OPERATORS = "operators";
protected static final String KEY_SIM_SIZE = "size";
protected static final String KEY_SLOT_INDEX = "slotIndex";
Expand All @@ -100,8 +120,13 @@ public class Network extends CallbackHybridFeature {
private static final int NR_STATE_NOT_RESTRICTED = 2;
private static final int NR_STATE_CONNECTED = 3;
private static final String METHOD_GET_NR_STATE = "getNrState";
private static final String METHOD_GET_DBM = "getDbm";
private static final int CODE_NO_SIM_ERROR = Response.CODE_FEATURE_ERROR + 1;
private static final int CODE_TYPE_ERROR = Response.CODE_FEATURE_ERROR + 2;
protected static final int ERROR_SIGNAL_STRENGTH = -1000;
protected static final int ERROR_SIGNAL_STRENGTH_WITHOUT_INIT = -1001;
protected static final int ERROR_SIGNAL_STRENGTH_OTHER_NETWORK = -1002;
protected static final int ERROR_SIGNAL_STRENGTH_NO_CELL_INFO = -1003;

private IntentFilter mFilter;

Expand Down Expand Up @@ -137,8 +162,107 @@ private Response getNetworkType(Request request) throws JSONException {

protected Response doGetNetworkType(Context context) {
try {
ConnectivityManager connectivityManager =
(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
ConnectivityManager connectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
if (networkInfo == null || !networkInfo.isConnected()) {
return makeResponse(false, TYPE_NONE, ERROR_SIGNAL_STRENGTH);
}
boolean metered = connectivityManager.isActiveNetworkMetered();
int networkType = networkInfo.getType();
if (networkType == ConnectivityManager.TYPE_MOBILE) {
int mobileType = getMobileType(context, networkInfo);
int mobileSignalStrength = getMobileSignalStrength(context);
return makeResponse(metered, mobileType, mobileSignalStrength);
} else if (networkType == ConnectivityManager.TYPE_WIFI) {
int wifiSignalStrength = getWifiSignalStrength(context);
return makeResponse(metered, TYPE_WIFI, wifiSignalStrength);
} else if (networkType == ConnectivityManager.TYPE_BLUETOOTH) {
return makeResponse(metered, TYPE_BLUETOOTH, ERROR_SIGNAL_STRENGTH_OTHER_NETWORK);
} else {
Log.e(TAG, "Unknown network type: " + networkType);
return makeResponse(metered, TYPE_OTHERS, ERROR_SIGNAL_STRENGTH_OTHER_NETWORK);
}
} catch (SecurityException e) {
return getExceptionResponse(ACTION_GET_TYPE, e, Response.CODE_GENERIC_ERROR);
} catch (JSONException e) {
return getExceptionResponse(ACTION_GET_TYPE, e, Response.CODE_GENERIC_ERROR);
}
}

private int getMobileSignalStrength(Context context) {
TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
if (telephonyManager != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P){
SignalStrength signalStrength = telephonyManager.getSignalStrength();
return getMobileSignalStrengthFromSignalStrength(signalStrength);
}
else {
return getMobileSignalStrengthFromCellInfo(context, telephonyManager);
}
}
return ERROR_SIGNAL_STRENGTH;
}

private int getMobileSignalStrengthFromCellInfo(Context context, TelephonyManager telephonyManager) {
int signalStrength = ERROR_SIGNAL_STRENGTH;
if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
Log.e(TAG, "return default signal strength because no permission.");
return ERROR_SIGNAL_STRENGTH_WITHOUT_INIT;
}
List<CellInfo> cellInfoList = telephonyManager.getAllCellInfo();
if (cellInfoList != null && cellInfoList.size() > 0) {
for (CellInfo cellInfo : cellInfoList) {
if (cellInfo.isRegistered()) {
if (cellInfo instanceof CellInfoGsm) {
CellSignalStrengthGsm cellSignalStrengthGsm = ((CellInfoGsm) cellInfo).getCellSignalStrength();
signalStrength = cellSignalStrengthGsm.getDbm();
} else if (cellInfo instanceof CellInfoCdma) {
CellSignalStrengthCdma cellSignalStrengthCdma = ((CellInfoCdma) cellInfo).getCellSignalStrength();
signalStrength = cellSignalStrengthCdma.getDbm();
} else if (cellInfo instanceof CellInfoLte) {
CellSignalStrengthLte cellSignalStrengthLte = ((CellInfoLte) cellInfo).getCellSignalStrength();
signalStrength = cellSignalStrengthLte.getDbm();
} else if (cellInfo instanceof CellInfoWcdma) {
CellSignalStrengthWcdma cellSignalStrengthWcdma = ((CellInfoWcdma) cellInfo).getCellSignalStrength();
signalStrength = cellSignalStrengthWcdma.getDbm();
}
break;
}
}
}else {
Log.e(TAG, "return default signal strength because cellInfoList is empty.");
signalStrength = ERROR_SIGNAL_STRENGTH_NO_CELL_INFO;
}
return signalStrength;
}

private int getMobileSignalStrengthFromSignalStrength(SignalStrength signalStrength) {
try {
Object value = ReflectUtils.invokeDeclaredMethod(
SignalStrength.class.getName(), signalStrength, METHOD_GET_DBM, new Class[]{}, new Object[]{});
if (value != null){
return (int)value;
}
}catch (Exception e){
Log.e(TAG,"return default signal strength because reflection getDbm failed.",e);
}
return ERROR_SIGNAL_STRENGTH;
}

private int getWifiSignalStrength(Context context) {
WifiManager wifiManager = (WifiManager) context.getApplicationContext().getSystemService(Context.WIFI_SERVICE);
if (wifiManager != null) {
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
return wifiInfo.getRssi();
}
return ERROR_SIGNAL_STRENGTH;
}

protected Response doSubsrcibeResponse(Context context) {
try {
ConnectivityManager connectivityManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
if (networkInfo == null || !networkInfo.isConnected()) {
return makeResponse(false, TYPE_NONE);
Expand All @@ -163,6 +287,14 @@ protected Response doGetNetworkType(Context context) {
}
}

private Response makeResponse(boolean metered, int type, int signalStrength) throws JSONException {
JSONObject result = new JSONObject();
result.put(KEY_METERED, metered);
result.put(KEY_TYPE, TYPE_TEXTS[type]);
result.put(KEY_SIGNAL_STRENGTH, signalStrength);
return new Response(result);
}

private Response makeResponse(boolean metered, int type) throws JSONException {
JSONObject result = new JSONObject();
result.put(KEY_METERED, metered);
Expand Down Expand Up @@ -335,7 +467,7 @@ public void onDestroy() {

@Override
public void callback(int what, Object obj) {
Response response = doGetNetworkType(mRequest.getNativeInterface().getActivity());
Response response = doSubsrcibeResponse(mRequest.getNativeInterface().getActivity());
mRequest.getCallback().callback(response);
}
}
Expand Down