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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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49
src/com/android/settings/bluetooth/BluetoothSettings.java
View File

@@ -39,7 +39,6 @@ import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.logging.MetricsProto.MetricsEvent;
import com.android.settings.LinkifyUtils;
@@ -77,6 +76,8 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
private static final String BTOPP_ACTION_OPEN_RECEIVED_FILES =
"android.btopp.intent.action.OPEN_RECEIVED_FILES";
private static final String KEY_PAIRED_DEVICES = "paired_devices";
private static View mSettingsDialogView = null;
private BluetoothEnabler mBluetoothEnabler;
@@ -154,6 +155,21 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
void addPreferencesForActivity() {
addPreferencesFromResource(R.xml.bluetooth_settings);
mPairedDevicesCategory = new PreferenceCategory(getPrefContext());
mPairedDevicesCategory.setKey(KEY_PAIRED_DEVICES);
mPairedDevicesCategory.setOrder(1);
getPreferenceScreen().addPreference(mPairedDevicesCategory);
mAvailableDevicesCategory = new BluetoothProgressCategory(getActivity());
mAvailableDevicesCategory.setSelectable(false);
mAvailableDevicesCategory.setOrder(2);
getPreferenceScreen().addPreference(mAvailableDevicesCategory);
mMyDevicePreference = new Preference(getPrefContext());
mMyDevicePreference.setSelectable(false);
mMyDevicePreference.setOrder(3);
getPreferenceScreen().addPreference(mMyDevicePreference);
setHasOptionsMenu(true);
}
@@ -275,14 +291,15 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
private void addDeviceCategory(PreferenceGroup preferenceGroup, int titleId,
BluetoothDeviceFilter.Filter filter, boolean addCachedDevices) {
cacheRemoveAllPrefs(preferenceGroup);
preferenceGroup.setTitle(titleId);
getPreferenceScreen().addPreference(preferenceGroup);
setFilter(filter);
setDeviceListGroup(preferenceGroup);
if (addCachedDevices) {
addCachedDevices();
}
preferenceGroup.setEnabled(true);
removeCachedPrefs(preferenceGroup);
}
private void updateContent(int bluetoothState) {
@@ -291,8 +308,6 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
switch (bluetoothState) {
case BluetoothAdapter.STATE_ON:
preferenceScreen.removeAll();
preferenceScreen.setOrderingAsAdded(true);
mDevicePreferenceMap.clear();
if (isUiRestricted()) {
@@ -301,44 +316,32 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
}
// Paired devices category
if (mPairedDevicesCategory == null) {
mPairedDevicesCategory = new PreferenceCategory(getPrefContext());
} else {
mPairedDevicesCategory.removeAll();
}
addDeviceCategory(mPairedDevicesCategory,
R.string.bluetooth_preference_paired_devices,
BluetoothDeviceFilter.BONDED_DEVICE_FILTER, true);
int numberOfPairedDevices = mPairedDevicesCategory.getPreferenceCount();
if (isUiRestricted() || numberOfPairedDevices <= 0) {
preferenceScreen.removePreference(mPairedDevicesCategory);
if (preferenceScreen.findPreference(KEY_PAIRED_DEVICES) != null) {
preferenceScreen.removePreference(mPairedDevicesCategory);
}
} else {
if (preferenceScreen.findPreference(KEY_PAIRED_DEVICES) == null) {
preferenceScreen.addPreference(mPairedDevicesCategory);
}
}
// Available devices category
if (mAvailableDevicesCategory == null) {
mAvailableDevicesCategory = new BluetoothProgressCategory(getActivity());
mAvailableDevicesCategory.setSelectable(false);
} else {
mAvailableDevicesCategory.removeAll();
}
addDeviceCategory(mAvailableDevicesCategory,
R.string.bluetooth_preference_found_devices,
BluetoothDeviceFilter.UNBONDED_DEVICE_FILTER, mInitialScanStarted);
int numberOfAvailableDevices = mAvailableDevicesCategory.getPreferenceCount();
if (!mInitialScanStarted) {
startScanning();
}
if (mMyDevicePreference == null) {
mMyDevicePreference = new Preference(getPrefContext());
}
mMyDevicePreference.setSummary(getResources().getString(
R.string.bluetooth_is_visible_message, mLocalAdapter.getName()));
mMyDevicePreference.setSelectable(false);
preferenceScreen.addPreference(mMyDevicePreference);
getActivity().invalidateOptionsMenu();