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Commit a9584785 authored by Fan Zhang's avatar Fan Zhang
Browse files

Keep access point list updated once in short time 

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
parent 85cd77c9

src/com/android/settings/wifi/WifiSettings.java

+7 −1
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ import android.net.wifi.WifiManager; 
import android.net.wifi.WpsInfo;

import android.nfc.NfcAdapter;

import android.os.Bundle;

import android.os.Handler;

import android.os.PowerManager;

import android.provider.Settings;

import android.support.annotation.VisibleForTesting;
@@ -687,8 +688,13 @@ public class WifiSettings extends RestrictedSettingsFragment 
    private void updateAccessPointsDelayed() {

        // Safeguard from some delayed event handling

        if (getActivity() != null && !mIsRestricted && mWifiManager.isWifiEnabled()) {

            final View view = getView();

            final Handler handler = view.getHandler();

            if (handler != null && handler.hasCallbacks(mUpdateAccessPointsRunnable)) {

                return;

            }

            setProgressBarVisible(true);

            getView().postDelayed(mUpdateAccessPointsRunnable, 300 /* delay milliseconds */);

            view.postDelayed(mUpdateAccessPointsRunnable, 300 /* delay milliseconds */);

        }

    }