LineageOS/android_packages_modules_Connectivity
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Support registering a request for the default network

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Change-Id: I079f5be97b585cf5692dd4c7a144b993d168a9a5
This commit is contained in:
Erik Kline
2016-03-16 15:31:39 +09:00
parent d8332d1a1b
commit 23bf99c956
3 changed files with 97 additions and 4 deletions
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28
core/java/android/net/ConnectivityManager.java
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@@ -2744,7 +2744,9 @@ public class ConnectivityManager {
if (networkCallback == null) {
throw new IllegalArgumentException("null NetworkCallback");
}
if (need == null) throw new IllegalArgumentException("null NetworkCapabilities");
if (need == null && action != REQUEST) {
throw new IllegalArgumentException("null NetworkCapabilities");
}
try {
incCallbackHandlerRefCount();
synchronized(sNetworkCallback) {
@@ -2767,7 +2769,7 @@ public class ConnectivityManager {
}
/**
* Helper function to requests a network with a particular legacy type.
* Helper function to request a network with a particular legacy type.
*
* This is temporarily public @hide so it can be called by system code that uses the
* NetworkRequest API to request networks but relies on CONNECTIVITY_ACTION broadcasts for
@@ -3010,6 +3012,28 @@ public class ConnectivityManager {
}
}
/**
* Registers to receive notifications about whichever network currently satisfies the
* system default {@link NetworkRequest}. The callbacks will continue to be called until
* either the application exits or {@link #unregisterNetworkCallback} is called
* <p>This method requires the caller to hold the permission
* {@link android.Manifest.permission#ACCESS_NETWORK_STATE}.
*
* @param networkCallback The {@link NetworkCallback} that the system will call as the
* system default network changes.
* @hide
*/
public void registerDefaultNetworkCallback(NetworkCallback networkCallback) {
// This works because if the NetworkCapabilities are null,
// ConnectivityService takes them from the default request.
//
// Since the capabilities are exactly the same as the default request's
// capabilities, this request is guaranteed, at all times, to be
// satisfied by the same network, if any, that satisfies the default
// request, i.e., the system default network.
sendRequestForNetwork(null, networkCallback, 0, REQUEST, TYPE_NONE);
}
/**
* Requests bandwidth update for a given {@link Network} and returns whether the update request
* is accepted by ConnectivityService. Once accepted, ConnectivityService will poll underlying