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Change RSSI notification levels to 5 in framework

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At some point the system UI switched to using 5 rssi levels
while the framework only broadcasts a change for 4 levels.

Hence RSSI change can be slow to be displayed on the UI, fix this

Bug: 5732700
Change-Id: I21700f96ba7a8dd678fb2ccfff8ef59f9b696666
This commit is contained in:
Irfan Sheriff
2011-12-09 10:04:30 -08:00
parent 55abad3904
commit ea933cb3fd
2 changed files with 9 additions and 5 deletions
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7
wifi/java/android/net/wifi/WifiManager.java
View File

@@ -412,6 +412,13 @@ public class WifiManager {
/** Anything better than or equal to this will show the max bars. */
private static final int MAX_RSSI = -55;
/**
* Number of RSSI levels used in the framework to initiate
* {@link #RSSI_CHANGED_ACTION} broadcast
* @hide
*/
public static final int RSSI_LEVELS = 5;
/**
* Auto settings in the driver. The driver could choose to operate on both
* 2.4 GHz and 5 GHz or make a dynamic decision on selecting the band.

7
wifi/java/android/net/wifi/WifiStateMachine.java
View File

@@ -1423,14 +1423,11 @@ public class WifiStateMachine extends StateMachine {
* be displayed in the status bar, and only send the
* broadcast if that much more coarse-grained number
* changes. This cuts down greatly on the number of
* broadcasts, at the cost of not mWifiInforming others
* broadcasts, at the cost of not informing others
* interested in RSSI of all the changes in signal
* level.
*/
// TODO: The second arg to the call below needs to be a symbol somewhere, but
// it's actually the size of an array of icons that's private
// to StatusBar Policy.
int newSignalLevel = WifiManager.calculateSignalLevel(newRssi, 4);
int newSignalLevel = WifiManager.calculateSignalLevel(newRssi, WifiManager.RSSI_LEVELS);
if (newSignalLevel != mLastSignalLevel) {
sendRssiChangeBroadcast(newRssi);
}