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Reuse xml parser logic to scrape preference xml files.

Browse Source 
Bug: 73668763
Test: atest
Test: robotests
Change-Id: Ifc241b5b4ec6d2935c4c532ff902a7ba352a98d6
This commit is contained in:
Fan Zhang
2018-02-22 15:54:40 -08:00
parent 22a39c2b93
commit 3b47e5bc9f
5 changed files with 180 additions and 68 deletions
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44
src/com/android/settings/slices/SliceDataConverter.java
View File

@@ -16,21 +16,28 @@
package com.android.settings.slices;
import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_CONTROLLER;
import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_ICON;
import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_KEY;
import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_SUMMARY;
import static com.android.settings.core.PreferenceXmlParserUtils.METADATA_TITLE;
import android.content.Context;
import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.os.Bundle;
import android.provider.SearchIndexableResource;
import android.support.annotation.DrawableRes;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.util.Xml;
import com.android.settings.core.PreferenceXmlParserUtils;
import com.android.settings.core.PreferenceXmlParserUtils.MetadataFlag;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.search.DatabaseIndexingUtils;
import com.android.settings.search.Indexable.SearchIndexProvider;
import com.android.settings.core.PreferenceXmlParserUtils;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
@@ -144,35 +151,32 @@ class SliceDataConverter {
+ nodeName + " at " + parser.getPositionDescription());
}
final int outerDepth = parser.getDepth();
final AttributeSet attrs = Xml.asAttributeSet(parser);
final String screenTitle = PreferenceXmlParserUtils.getDataTitle(mContext, attrs);
// TODO (b/67996923) Investigate if we need headers for Slices, since they never
// correspond to an actual setting.
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
final List<Bundle> metadata = PreferenceXmlParserUtils.extractMetadata(mContext,
xmlResId,
MetadataFlag.FLAG_NEED_KEY
| MetadataFlag.FLAG_NEED_PREF_CONTROLLER
| MetadataFlag.FLAG_NEED_PREF_TYPE
| MetadataFlag.FLAG_NEED_PREF_TITLE
| MetadataFlag.FLAG_NEED_PREF_ICON
| MetadataFlag.FLAG_NEED_PREF_SUMMARY);
for (Bundle bundle : metadata) {
// TODO (b/67996923) Non-controller Slices should become intent-only slices.
// Note that without a controller, dynamic summaries are impossible.
// TODO (b/67996923) This will not work if preferences have nested intents:
// <pref ....>
// <intent action="blab"/> </pref>
final String controllerClassName = PreferenceXmlParserUtils.getController(mContext,
attrs);
final String controllerClassName = bundle.getString(METADATA_CONTROLLER);
if (TextUtils.isEmpty(controllerClassName)) {
continue;
}
final String title = PreferenceXmlParserUtils.getDataTitle(mContext, attrs);
final String key = PreferenceXmlParserUtils.getDataKey(mContext, attrs);
@DrawableRes final int iconResId = PreferenceXmlParserUtils.getDataIcon(mContext,
attrs);
final String summary = PreferenceXmlParserUtils.getDataSummary(mContext, attrs);
final String key = bundle.getString(METADATA_KEY);
final String title = bundle.getString(METADATA_TITLE);
final String summary = bundle.getString(METADATA_SUMMARY);
final int iconResId = bundle.getInt(METADATA_ICON);
final int sliceType = SliceBuilderUtils.getSliceType(mContext, controllerClassName,
key);
@@ -194,7 +198,7 @@ class SliceDataConverter {
} catch (IOException e) {
Log.w(TAG, "IO Error parsing PreferenceScreen: ", e);
} catch (Resources.NotFoundException e) {
Log.w(TAG, "Resoucre not found error parsing PreferenceScreen: ", e);
Log.w(TAG, "Resource not found error parsing PreferenceScreen: ", e);
} finally {
if (parser != null) parser.close();
}