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Workarounds to avoid removing all prefs

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Removing all prefs causes ugly animations, so avoid it at all cost
and cache all the prefs (while still added) as long as possible.

Bug: 26271353
Change-Id: I33b84d751938b460f4b66c0158057407dd45d974
This commit is contained in:
Jason Monk
2016-02-25 13:55:48 -05:00
parent 6c09bd2538
commit 2071eda150
5 changed files with 72 additions and 29 deletions
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10
src/com/android/settings/wifi/WifiSettings.java
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@@ -649,19 +649,22 @@ public class WifiSettings extends RestrictedSettingsFragment
boolean hasAvailableAccessPoints = false;
int index = 0;
cacheRemoveAllPrefs(getPreferenceScreen());
for (AccessPoint accessPoint : accessPoints) {
// Ignore access points that are out of range.
if (accessPoint.getLevel() != -1) {
String key = accessPoint.getBssid();
hasAvailableAccessPoints = true;
if (accessPoint.getTag() != null) {
final Preference pref = (Preference) accessPoint.getTag();
LongPressAccessPointPreference pref = (LongPressAccessPointPreference)
getCachedPreference(key);
if (pref != null) {
pref.setOrder(index++);
getPreferenceScreen().addPreference(pref);
continue;
}
LongPressAccessPointPreference
preference = new LongPressAccessPointPreference(accessPoint,
getPrefContext(), mUserBadgeCache, false, this);
preference.setKey(key);
preference.setOrder(index++);
if (mOpenSsid != null && mOpenSsid.equals(accessPoint.getSsidStr())
@@ -674,6 +677,7 @@ public class WifiSettings extends RestrictedSettingsFragment
accessPoint.setListener(this);
}
}
removeCachedPrefs(getPreferenceScreen());
if (!hasAvailableAccessPoints) {
setProgressBarVisible(true);
Preference pref = new Preference(getContext()) {