private int insertAccountsHeaders(List<Header> target, int headerIndex) {
String[] accountTypes = mAuthenticatorHelper.getEnabledAccountTypes();
List<Header> accountHeaders = new ArrayList<Header>(accountTypes.length);
for (String accountType : accountTypes) {
CharSequence label = mAuthenticatorHelper.getLabelForType(this, accountType);
if (label == null) {
continue;
}
Account[] accounts = AccountManager.get(this).getAccountsByType(accountType);
boolean skipToAccount =
accounts.length == 1 && !mAuthenticatorHelper.hasAccountPreferences(accountType);
Header accHeader = new Header();
accHeader.title = label;
if (accHeader.extras == null) {
accHeader.extras = new Bundle();
}
if (skipToAccount) {
accHeader.breadCrumbTitleRes = R.string.account_sync_settings_title;
accHeader.breadCrumbShortTitleRes = R.string.account_sync_settings_title;
accHeader.fragment = AccountSyncSettings.class.getName();
accHeader.fragmentArguments = new Bundle();
// Need this for the icon
accHeader.extras.putString(ManageAccountsSettings.KEY_ACCOUNT_TYPE, accountType);
accHeader.extras.putParcelable(AccountSyncSettings.ACCOUNT_KEY, accounts[0]);
accHeader.fragmentArguments.putParcelable(AccountSyncSettings.ACCOUNT_KEY, accounts[0]);
} else {
accHeader.breadCrumbTitle = label;
accHeader.breadCrumbShortTitle = label;
accHeader.fragment = ManageAccountsSettings.class.getName();
accHeader.fragmentArguments = new Bundle();
accHeader.extras.putString(ManageAccountsSettings.KEY_ACCOUNT_TYPE, accountType);
accHeader.fragmentArguments.putString(ManageAccountsSettings.KEY_ACCOUNT_TYPE, accountType);
if (!isMultiPane()) {
accHeader.fragmentArguments.putString(
ManageAccountsSettings.KEY_ACCOUNT_LABEL, label.toString());
}
}
accountHeaders.add(accHeader);
}
// Sort by label
Collections.sort(
accountHeaders,
new Comparator<Header>() {
@Override
public int compare(Header h1, Header h2) {
return h1.title.toString().compareTo(h2.title.toString());
}
});
for (Header header : accountHeaders) {
target.add(headerIndex++, header);
}
if (!mListeningToAccountUpdates) {
AccountManager.get(this).addOnAccountsUpdatedListener(this, null, true);
mListeningToAccountUpdates = true;
}
return headerIndex;
}
/**
* Override initial header when an activity-alias is causing Settings to be launched for a
* specific fragment encoded in the android:name parameter.
*/
@Override
public Header onGetInitialHeader() {
String fragmentClass = getStartingFragmentClass(super.getIntent());
if (fragmentClass != null) {
Header header = new Header();
header.fragment = fragmentClass;
header.title = getTitle();
header.fragmentArguments = getIntent().getExtras();
mCurrentHeader = header;
return header;
}
return mFirstHeader;
}
/**
* Parse the given XML file as a header description, adding each parsed Header into the target
* list.
*
* @param resid The XML resource to load and parse.
* @param target The list in which the parsed headers should be placed.
*/
public void loadHeadersFromResource(int resid, List<Header> target) {
XmlResourceParser parser = null;
try {
parser = getResources().getXml(resid);
AttributeSet attrs = Xml.asAttributeSet(parser);
int type;
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& type != XmlPullParser.START_TAG) {
// Parse next until start tag is found
}
String nodeName = parser.getName();
if (!"preference-headers".equals(nodeName)) {
throw new RuntimeException(
"XML document must start with <preference-headers> tag; found"
+ nodeName
+ " at "
+ parser.getPositionDescription());
}
Bundle curBundle = null;
final int outerDepth = parser.getDepth();
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
nodeName = parser.getName();
if ("header".equals(nodeName)) {
Header header = new Header();
TypedArray sa = getResources().obtainAttributes(attrs, R.styleable.PreferenceHeader);
header.id = sa.getResourceId(R.styleable.PreferenceHeader_id, (int) HEADER_ID_UNDEFINED);
TypedValue tv = sa.peekValue(R.styleable.PreferenceHeader_title);
if (tv != null && tv.type == TypedValue.TYPE_STRING) {
if (tv.resourceId != 0) {
header.titleRes = tv.resourceId;
} else {
header.title = tv.string;
}
}
tv = sa.peekValue(R.styleable.PreferenceHeader_summary);
if (tv != null && tv.type == TypedValue.TYPE_STRING) {
if (tv.resourceId != 0) {
header.summaryRes = tv.resourceId;
} else {
header.summary = tv.string;
}
}
tv = sa.peekValue(R.styleable.PreferenceHeader_breadCrumbTitle);
if (tv != null && tv.type == TypedValue.TYPE_STRING) {
if (tv.resourceId != 0) {
header.breadCrumbTitleRes = tv.resourceId;
} else {
header.breadCrumbTitle = tv.string;
}
}
tv = sa.peekValue(R.styleable.PreferenceHeader_breadCrumbShortTitle);
if (tv != null && tv.type == TypedValue.TYPE_STRING) {
if (tv.resourceId != 0) {
header.breadCrumbShortTitleRes = tv.resourceId;
} else {
header.breadCrumbShortTitle = tv.string;
}
}
header.iconRes = sa.getResourceId(R.styleable.PreferenceHeader_icon, 0);
header.fragment = sa.getString(R.styleable.PreferenceHeader_fragment);
sa.recycle();
if (curBundle == null) {
curBundle = new Bundle();
}
final int innerDepth = parser.getDepth();
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > innerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String innerNodeName = parser.getName();
if (innerNodeName.equals("extra")) {
getResources().parseBundleExtra("extra", attrs, curBundle);
XmlUtils.skipCurrentTag(parser);
} else if (innerNodeName.equals("intent")) {
header.intent = Intent.parseIntent(getResources(), parser, attrs);
} else {
XmlUtils.skipCurrentTag(parser);
}
}
if (curBundle.size() > 0) {
header.fragmentArguments = curBundle;
curBundle = null;
}
target.add(header);
} else {
XmlUtils.skipCurrentTag(parser);
}
}
} catch (XmlPullParserException e) {
throw new RuntimeException("Error parsing headers", e);
} catch (IOException e) {
throw new RuntimeException("Error parsing headers", e);
} finally {
if (parser != null) parser.close();
}
}