首次提交

2025-09-28 17:54:32 +08:00
commit 1d5c848f75
109 changed files with 15027 additions and 0 deletions
--- a/nebula-sdk/src/main/java/com/android/util/NetworkUtil.java
+++ b/nebula-sdk/src/main/java/com/android/util/NetworkUtil.java
@@ -0,0 +1,100 @@
+package com.android.util;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+import android.telephony.TelephonyManager;
+
+public class NetworkUtil {
+    private NetworkUtil() {
+        throw new UnsupportedOperationException("u can't instantiate me...");
+    }
+
+    private static NetworkInfo getActiveNetworkInfo(Context context) {
+        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+        return cm.getActiveNetworkInfo();
+    }
+
+    /**
+     * 获取当前网络类型
+     * 需添加权限 {@code <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>}
+     */
+    public static NetworkType getNetworkType(Context context) {
+        NetworkType netType = NetworkType.NETWORK_NO;
+        NetworkInfo info = getActiveNetworkInfo(context);
+        if (info != null && info.isAvailable()) {
+
+            if (info.getType() == ConnectivityManager.TYPE_WIFI) {
+                netType = NetworkType.NETWORK_WIFI;
+            } else if (info.getType() == ConnectivityManager.TYPE_MOBILE) {
+                switch (info.getSubtype()) {
+                    case TelephonyManager.NETWORK_TYPE_TD_SCDMA:
+                    case TelephonyManager.NETWORK_TYPE_EVDO_A:
+                    case TelephonyManager.NETWORK_TYPE_UMTS:
+                    case TelephonyManager.NETWORK_TYPE_EVDO_0:
+                    case TelephonyManager.NETWORK_TYPE_HSDPA:
+                    case TelephonyManager.NETWORK_TYPE_HSUPA:
+                    case TelephonyManager.NETWORK_TYPE_HSPA:
+                    case TelephonyManager.NETWORK_TYPE_EVDO_B:
+                    case TelephonyManager.NETWORK_TYPE_EHRPD:
+                    case TelephonyManager.NETWORK_TYPE_HSPAP:
+                        netType = NetworkType.NETWORK_3G;
+                        break;
+
+                    case TelephonyManager.NETWORK_TYPE_LTE:
+                    case TelephonyManager.NETWORK_TYPE_IWLAN:
+                        netType = NetworkType.NETWORK_4G;
+                        break;
+
+                    case TelephonyManager.NETWORK_TYPE_GSM:
+                    case TelephonyManager.NETWORK_TYPE_GPRS:
+                    case TelephonyManager.NETWORK_TYPE_CDMA:
+                    case TelephonyManager.NETWORK_TYPE_EDGE:
+                    case TelephonyManager.NETWORK_TYPE_1xRTT:
+                    case TelephonyManager.NETWORK_TYPE_IDEN:
+                        netType = NetworkType.NETWORK_2G;
+                        break;
+                    default:
+                        String subtypeName = info.getSubtypeName();
+                        if (subtypeName.equalsIgnoreCase("TD-SCDMA")
+                                || subtypeName.equalsIgnoreCase("WCDMA")
+                                || subtypeName.equalsIgnoreCase("CDMA2000")) {
+                            netType = NetworkType.NETWORK_3G;
+                        } else {
+                            netType = NetworkType.NETWORK_UNKNOWN;
+                        }
+                        break;
+                }
+            } else if(info.getType()==ConnectivityManager.TYPE_ETHERNET){
+                netType = NetworkType.NETWORK_ETHERNET;
+            } else {
+                netType = NetworkType.NETWORK_UNKNOWN;
+            }
+        }
+        return netType;
+    }
+
+
+
+
+
+    public static boolean isActive(Context context) {
+        NetworkInfo info = getActiveNetworkInfo(context);
+        if (info != null && info.isAvailable() && info.isConnected()) {
+            return true;
+        }
+        return false;
+    }
+
+
+
+
+
+
+
+
+
+
+
+
+}