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am d33caa4d: Dream settings now looks for the settings activity in xml.

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* commit 'd33caa4dea521677431f86e719ac1df290a24c69':
  Dream settings now looks for the settings activity in xml.
This commit is contained in:
John Spurlock
2012-09-26 11:19:57 -07:00
committed by Android Git Automerger
parent a064fa39ff d33caa4dea
commit 0ebbd1d44f
1 changed files with 49 additions and 8 deletions
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57
src/com/android/settings/DreamBackend.java
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@@ -25,13 +25,24 @@ import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.content.res.XmlResourceParser;
import android.graphics.drawable.Drawable;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.provider.Settings;
import android.service.dreams.Dream;
import android.service.dreams.IDreamManager;
import android.util.AttributeSet;
import android.util.Log;
import android.util.Xml;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
@@ -40,11 +51,6 @@ import java.util.List;
public class DreamBackend {
private static final String TAG = DreamSettings.class.getSimpleName() + ".Backend";
// avoid breaking when the api changes.
// FIXME: use the new xml file when available
private static final String OLD_METADATA_NAME_CONFIG_ACTIVITY =
"android.service.dreams.config_activity";
public static class DreamInfo {
CharSequence caption;
Drawable icon;
@@ -92,7 +98,7 @@ public class DreamBackend {
dreamInfo.icon = resolveInfo.loadIcon(pm);
dreamInfo.componentName = getDreamComponentName(resolveInfo);
dreamInfo.isActive = dreamInfo.componentName.equals(activeDream);
dreamInfo.settingsComponentName = getSettingsComponentName(resolveInfo);
dreamInfo.settingsComponentName = getSettingsComponentName(pm, resolveInfo);
dreamInfos.add(dreamInfo);
}
Collections.sort(dreamInfos, mComparator);
@@ -204,12 +210,47 @@ public class DreamBackend {
return new ComponentName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name);
}
private static ComponentName getSettingsComponentName(ResolveInfo resolveInfo) {
private static ComponentName getSettingsComponentName(PackageManager pm, ResolveInfo resolveInfo) {
if (resolveInfo == null
|| resolveInfo.serviceInfo == null
|| resolveInfo.serviceInfo.metaData == null)
return null;
String cn = resolveInfo.serviceInfo.metaData.getString(OLD_METADATA_NAME_CONFIG_ACTIVITY);
String cn = null;
XmlResourceParser parser = null;
Exception caughtException = null;
try {
parser = resolveInfo.serviceInfo.loadXmlMetaData(pm, Dream.DREAM_META_DATA);
if (parser == null) {
Log.w(TAG, "No " + Dream.DREAM_META_DATA + " meta-data");
return null;
}
Resources res = pm.getResourcesForApplication(resolveInfo.serviceInfo.applicationInfo);
AttributeSet attrs = Xml.asAttributeSet(parser);
int type;
while ((type=parser.next()) != XmlPullParser.END_DOCUMENT
&& type != XmlPullParser.START_TAG) {
}
String nodeName = parser.getName();
if (!"dream".equals(nodeName)) {
Log.w(TAG, "Meta-data does not start with dream tag");
return null;
}
TypedArray sa = res.obtainAttributes(attrs, com.android.internal.R.styleable.Dream);
cn = sa.getString(com.android.internal.R.styleable.Dream_settingsActivity);
sa.recycle();
} catch (NameNotFoundException e) {
caughtException = e;
} catch (IOException e) {
caughtException = e;
} catch (XmlPullParserException e) {
caughtException = e;
} finally {
if (parser != null) parser.close();
}
if (caughtException != null) {
Log.w(TAG, "Error parsing : " + resolveInfo.serviceInfo.packageName, caughtException);
return null;
}
return cn == null ? null : ComponentName.unflattenFromString(cn);
}