PawletOS/app_Settings
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Keep access point list updated once in short time

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The function onAccessPointsChanged will be called many times
and access points will be updated many times in 300ms. So check
if the same event exists before calling postDelayed.

Fixes: 68230819
Test: Manual test
Change-Id: Id098e1b77c28b62a5495c3369ed950531e59dba2
This commit is contained in:
Fan Zhang
2018-01-17 09:12:48 -08:00
parent 85cd77c9f2
commit a958478501
1 changed files with 7 additions and 1 deletions
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8
src/com/android/settings/wifi/WifiSettings.java
View File

@@ -33,6 +33,7 @@ import android.net.wifi.WifiManager;
import android.net.wifi.WpsInfo; import android.net.wifi.WpsInfo;
import android.nfc.NfcAdapter; import android.nfc.NfcAdapter;
import android.os.Bundle; import android.os.Bundle;
import android.os.Handler;
import android.os.PowerManager; import android.os.PowerManager;
import android.provider.Settings; import android.provider.Settings;
import android.support.annotation.VisibleForTesting; import android.support.annotation.VisibleForTesting;
@@ -687,8 +688,13 @@ public class WifiSettings extends RestrictedSettingsFragment
private void updateAccessPointsDelayed() { private void updateAccessPointsDelayed() {
// Safeguard from some delayed event handling // Safeguard from some delayed event handling
if (getActivity() != null && !mIsRestricted && mWifiManager.isWifiEnabled()) { if (getActivity() != null && !mIsRestricted && mWifiManager.isWifiEnabled()) {
final View view = getView();
final Handler handler = view.getHandler();
if (handler != null && handler.hasCallbacks(mUpdateAccessPointsRunnable)) {
return;
}
setProgressBarVisible(true); setProgressBarVisible(true);
getView().postDelayed(mUpdateAccessPointsRunnable, 300 /* delay milliseconds */); view.postDelayed(mUpdateAccessPointsRunnable, 300 /* delay milliseconds */);
} }
} }