Support 5G in network type detection

PiperOrigin-RevId: 288280500

library/core/src/main/java/com/google/android/exoplayer2/C.java

@@ -977,8 +977,8 @@ public final class C {
   /**
    * Network connection type. One of {@link #NETWORK_TYPE_UNKNOWN}, {@link #NETWORK_TYPE_OFFLINE},
    * {@link #NETWORK_TYPE_WIFI}, {@link #NETWORK_TYPE_2G}, {@link #NETWORK_TYPE_3G}, {@link
-   * #NETWORK_TYPE_4G}, {@link #NETWORK_TYPE_CELLULAR_UNKNOWN}, {@link #NETWORK_TYPE_ETHERNET} or
-   * {@link #NETWORK_TYPE_OTHER}.
+   * #NETWORK_TYPE_4G}, {@link #NETWORK_TYPE_5G}, {@link #NETWORK_TYPE_CELLULAR_UNKNOWN}, {@link
+   * #NETWORK_TYPE_ETHERNET} or {@link #NETWORK_TYPE_OTHER}.
    */
   @Documented
   @Retention(RetentionPolicy.SOURCE)
@@ -989,6 +989,7 @@ public final class C {
     NETWORK_TYPE_2G,
     NETWORK_TYPE_3G,
     NETWORK_TYPE_4G,
+    NETWORK_TYPE_5G,
     NETWORK_TYPE_CELLULAR_UNKNOWN,
     NETWORK_TYPE_ETHERNET,
     NETWORK_TYPE_OTHER
@@ -1006,6 +1007,8 @@ public final class C {
   public static final int NETWORK_TYPE_3G = 4;
   /** Network type for a 4G cellular connection. */
   public static final int NETWORK_TYPE_4G = 5;
+  /** Network type for a 5G cellular connection. */
+  public static final int NETWORK_TYPE_5G = 9;
   /**
    * Network type for cellular connections which cannot be mapped to one of {@link
    * #NETWORK_TYPE_2G}, {@link #NETWORK_TYPE_3G}, or {@link #NETWORK_TYPE_4G}.
@@ -1013,10 +1016,7 @@ public final class C {
   public static final int NETWORK_TYPE_CELLULAR_UNKNOWN = 6;
   /** Network type for an Ethernet connection. */
   public static final int NETWORK_TYPE_ETHERNET = 7;
-  /**
-   * Network type for other connections which are not Wifi or cellular (e.g. Ethernet, VPN,
-   * Bluetooth).
-   */
+  /** Network type for other connections which are not Wifi or cellular (e.g. VPN, Bluetooth). */
   public static final int NETWORK_TYPE_OTHER = 8;
 
   /**

library/core/src/main/java/com/google/android/exoplayer2/upstream/DefaultBandwidthMeter.java

@@ -203,9 +203,10 @@ public final class DefaultBandwidthMeter implements BandwidthMeter, TransferList
       result.append(C.NETWORK_TYPE_2G, DEFAULT_INITIAL_BITRATE_ESTIMATES_2G[groupIndices[1]]);
       result.append(C.NETWORK_TYPE_3G, DEFAULT_INITIAL_BITRATE_ESTIMATES_3G[groupIndices[2]]);
       result.append(C.NETWORK_TYPE_4G, DEFAULT_INITIAL_BITRATE_ESTIMATES_4G[groupIndices[3]]);
-      // Assume default Wifi bitrate for Ethernet to prevent using the slower fallback bitrate.
+      // Assume default Wifi bitrate for Ethernet and 5G to prevent using the slower fallback.
       result.append(
           C.NETWORK_TYPE_ETHERNET, DEFAULT_INITIAL_BITRATE_ESTIMATES_WIFI[groupIndices[0]]);
+      result.append(C.NETWORK_TYPE_5G, DEFAULT_INITIAL_BITRATE_ESTIMATES_WIFI[groupIndices[0]]);
       return result;
     }
 

library/core/src/main/java/com/google/android/exoplayer2/util/Util.java

@@ -2126,6 +2126,8 @@ public final class Util {
         return C.NETWORK_TYPE_3G;
       case TelephonyManager.NETWORK_TYPE_LTE:
         return C.NETWORK_TYPE_4G;
+      case TelephonyManager.NETWORK_TYPE_NR:
+        return C.NETWORK_TYPE_5G;
       case TelephonyManager.NETWORK_TYPE_IWLAN:
         return C.NETWORK_TYPE_WIFI;
       case TelephonyManager.NETWORK_TYPE_GSM: