Examples with PatternMatcher android.os.PatternMatcher used on opensource projects

Example 16 with PatternMatcher

use of android.os.PatternMatcher in project android_frameworks_base by crdroidandroid.

the class ResolverActivity method onTargetSelected.

protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) {
    final ResolveInfo ri = target.getResolveInfo();
    final Intent intent = target != null ? target.getResolvedIntent() : null;
    if (intent != null && (mAlwaysUseOption || mAdapter.hasFilteredItem()) && mAdapter.mOrigResolveList != null) {
        // Build a reasonable intent filter, based on what matched.
        IntentFilter filter = new IntentFilter();
        Intent filterIntent;
        if (intent.getSelector() != null) {
            filterIntent = intent.getSelector();
        } else {
            filterIntent = intent;
        }
        String action = filterIntent.getAction();
        if (action != null) {
            filter.addAction(action);
        }
        Set<String> categories = filterIntent.getCategories();
        if (categories != null) {
            for (String cat : categories) {
                filter.addCategory(cat);
            }
        }
        filter.addCategory(Intent.CATEGORY_DEFAULT);
        int cat = ri.match & IntentFilter.MATCH_CATEGORY_MASK;
        Uri data = filterIntent.getData();
        if (cat == IntentFilter.MATCH_CATEGORY_TYPE) {
            String mimeType = filterIntent.resolveType(this);
            if (mimeType != null) {
                try {
                    filter.addDataType(mimeType);
                } catch (IntentFilter.MalformedMimeTypeException e) {
                    Log.w("ResolverActivity", e);
                    filter = null;
                }
            }
        }
        if (data != null && data.getScheme() != null) {
            // or "content:" schemes (see IntentFilter for the reason).
            if (cat != IntentFilter.MATCH_CATEGORY_TYPE || (!"file".equals(data.getScheme()) && !"content".equals(data.getScheme()))) {
                filter.addDataScheme(data.getScheme());
                // Look through the resolved filter to determine which part
                // of it matched the original Intent.
                Iterator<PatternMatcher> pIt = ri.filter.schemeSpecificPartsIterator();
                if (pIt != null) {
                    String ssp = data.getSchemeSpecificPart();
                    while (ssp != null && pIt.hasNext()) {
                        PatternMatcher p = pIt.next();
                        if (p.match(ssp)) {
                            filter.addDataSchemeSpecificPart(p.getPath(), p.getType());
                            break;
                        }
                    }
                }
                Iterator<IntentFilter.AuthorityEntry> aIt = ri.filter.authoritiesIterator();
                if (aIt != null) {
                    while (aIt.hasNext()) {
                        IntentFilter.AuthorityEntry a = aIt.next();
                        if (a.match(data) >= 0) {
                            int port = a.getPort();
                            filter.addDataAuthority(a.getHost(), port >= 0 ? Integer.toString(port) : null);
                            break;
                        }
                    }
                }
                pIt = ri.filter.pathsIterator();
                if (pIt != null) {
                    String path = data.getPath();
                    while (path != null && pIt.hasNext()) {
                        PatternMatcher p = pIt.next();
                        if (p.match(path)) {
                            filter.addDataPath(p.getPath(), p.getType());
                            break;
                        }
                    }
                }
            }
        }
        if (filter != null) {
            final int N = mAdapter.mOrigResolveList.size();
            ComponentName[] set = new ComponentName[N];
            int bestMatch = 0;
            for (int i = 0; i < N; i++) {
                ResolveInfo r = mAdapter.mOrigResolveList.get(i).getResolveInfoAt(0);
                set[i] = new ComponentName(r.activityInfo.packageName, r.activityInfo.name);
                if (r.match > bestMatch)
                    bestMatch = r.match;
            }
            if (alwaysCheck) {
                final int userId = getUserId();
                final PackageManager pm = getPackageManager();
                // Set the preferred Activity
                pm.addPreferredActivity(filter, bestMatch, set, intent.getComponent());
                if (ri.handleAllWebDataURI) {
                    // Set default Browser if needed
                    final String packageName = pm.getDefaultBrowserPackageNameAsUser(userId);
                    if (TextUtils.isEmpty(packageName)) {
                        pm.setDefaultBrowserPackageNameAsUser(ri.activityInfo.packageName, userId);
                    }
                } else {
                    // Update Domain Verification status
                    ComponentName cn = intent.getComponent();
                    String packageName = cn.getPackageName();
                    String dataScheme = (data != null) ? data.getScheme() : null;
                    boolean isHttpOrHttps = (dataScheme != null) && (dataScheme.equals(IntentFilter.SCHEME_HTTP) || dataScheme.equals(IntentFilter.SCHEME_HTTPS));
                    boolean isViewAction = (action != null) && action.equals(Intent.ACTION_VIEW);
                    boolean hasCategoryBrowsable = (categories != null) && categories.contains(Intent.CATEGORY_BROWSABLE);
                    if (isHttpOrHttps && isViewAction && hasCategoryBrowsable) {
                        pm.updateIntentVerificationStatusAsUser(packageName, PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId);
                    }
                }
            } else {
                try {
                    AppGlobals.getPackageManager().setLastChosenActivity(intent, intent.resolveType(getContentResolver()), PackageManager.MATCH_DEFAULT_ONLY, filter, bestMatch, intent.getComponent());
                } catch (RemoteException re) {
                    Log.d(TAG, "Error calling setLastChosenActivity\n" + re);
                }
            }
        }
    }
    if (target != null) {
        safelyStartActivity(target);
    }
    return true;
}

Example 17 with PatternMatcher

use of android.os.PatternMatcher in project android_frameworks_base by crdroidandroid.

the class Settings method applyDefaultPreferredActivityLPw.

private void applyDefaultPreferredActivityLPw(PackageManagerService service, IntentFilter tmpPa, ComponentName cn, int userId) {
    // preferred activity entry.
    if (PackageManagerService.DEBUG_PREFERRED) {
        Log.d(TAG, "Processing preferred:");
        tmpPa.dump(new LogPrinter(Log.DEBUG, TAG), "  ");
    }
    Intent intent = new Intent();
    int flags = PackageManager.MATCH_DIRECT_BOOT_AWARE | PackageManager.MATCH_DIRECT_BOOT_UNAWARE;
    intent.setAction(tmpPa.getAction(0));
    for (int i = 0; i < tmpPa.countCategories(); i++) {
        String cat = tmpPa.getCategory(i);
        if (cat.equals(Intent.CATEGORY_DEFAULT)) {
            flags |= MATCH_DEFAULT_ONLY;
        } else {
            intent.addCategory(cat);
        }
    }
    boolean doNonData = true;
    boolean hasSchemes = false;
    for (int ischeme = 0; ischeme < tmpPa.countDataSchemes(); ischeme++) {
        boolean doScheme = true;
        String scheme = tmpPa.getDataScheme(ischeme);
        if (scheme != null && !scheme.isEmpty()) {
            hasSchemes = true;
        }
        for (int issp = 0; issp < tmpPa.countDataSchemeSpecificParts(); issp++) {
            Uri.Builder builder = new Uri.Builder();
            builder.scheme(scheme);
            PatternMatcher ssp = tmpPa.getDataSchemeSpecificPart(issp);
            builder.opaquePart(ssp.getPath());
            Intent finalIntent = new Intent(intent);
            finalIntent.setData(builder.build());
            applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn, scheme, ssp, null, null, userId);
            doScheme = false;
        }
        for (int iauth = 0; iauth < tmpPa.countDataAuthorities(); iauth++) {
            boolean doAuth = true;
            IntentFilter.AuthorityEntry auth = tmpPa.getDataAuthority(iauth);
            for (int ipath = 0; ipath < tmpPa.countDataPaths(); ipath++) {
                Uri.Builder builder = new Uri.Builder();
                builder.scheme(scheme);
                if (auth.getHost() != null) {
                    builder.authority(auth.getHost());
                }
                PatternMatcher path = tmpPa.getDataPath(ipath);
                builder.path(path.getPath());
                Intent finalIntent = new Intent(intent);
                finalIntent.setData(builder.build());
                applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn, scheme, null, auth, path, userId);
                doAuth = doScheme = false;
            }
            if (doAuth) {
                Uri.Builder builder = new Uri.Builder();
                builder.scheme(scheme);
                if (auth.getHost() != null) {
                    builder.authority(auth.getHost());
                }
                Intent finalIntent = new Intent(intent);
                finalIntent.setData(builder.build());
                applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn, scheme, null, auth, null, userId);
                doScheme = false;
            }
        }
        if (doScheme) {
            Uri.Builder builder = new Uri.Builder();
            builder.scheme(scheme);
            Intent finalIntent = new Intent(intent);
            finalIntent.setData(builder.build());
            applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn, scheme, null, null, null, userId);
        }
        doNonData = false;
    }
    for (int idata = 0; idata < tmpPa.countDataTypes(); idata++) {
        String mimeType = tmpPa.getDataType(idata);
        if (hasSchemes) {
            Uri.Builder builder = new Uri.Builder();
            for (int ischeme = 0; ischeme < tmpPa.countDataSchemes(); ischeme++) {
                String scheme = tmpPa.getDataScheme(ischeme);
                if (scheme != null && !scheme.isEmpty()) {
                    Intent finalIntent = new Intent(intent);
                    builder.scheme(scheme);
                    finalIntent.setDataAndType(builder.build(), mimeType);
                    applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn, scheme, null, null, null, userId);
                }
            }
        } else {
            Intent finalIntent = new Intent(intent);
            finalIntent.setType(mimeType);
            applyDefaultPreferredActivityLPw(service, finalIntent, flags, cn, null, null, null, null, userId);
        }
        doNonData = false;
    }
    if (doNonData) {
        applyDefaultPreferredActivityLPw(service, intent, flags, cn, null, null, null, null, userId);
    }
}

Example 18 with PatternMatcher

use of android.os.PatternMatcher in project android_frameworks_base by AOSPA.

the class PackageParser method parseProviderTags.

private boolean parseProviderTags(Resources res, XmlResourceParser parser, Provider outInfo, String[] outError) throws XmlPullParserException, IOException {
    int outerDepth = parser.getDepth();
    int type;
    while ((type = parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
        if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
            continue;
        }
        if (parser.getName().equals("intent-filter")) {
            ProviderIntentInfo intent = new ProviderIntentInfo(outInfo);
            if (!parseIntent(res, parser, true, false, intent, outError)) {
                return false;
            }
            outInfo.intents.add(intent);
        } else if (parser.getName().equals("meta-data")) {
            if ((outInfo.metaData = parseMetaData(res, parser, outInfo.metaData, outError)) == null) {
                return false;
            }
        } else if (parser.getName().equals("grant-uri-permission")) {
            TypedArray sa = res.obtainAttributes(parser, com.android.internal.R.styleable.AndroidManifestGrantUriPermission);
            PatternMatcher pa = null;
            String str = sa.getNonConfigurationString(com.android.internal.R.styleable.AndroidManifestGrantUriPermission_path, 0);
            if (str != null) {
                pa = new PatternMatcher(str, PatternMatcher.PATTERN_LITERAL);
            }
            str = sa.getNonConfigurationString(com.android.internal.R.styleable.AndroidManifestGrantUriPermission_pathPrefix, 0);
            if (str != null) {
                pa = new PatternMatcher(str, PatternMatcher.PATTERN_PREFIX);
            }
            str = sa.getNonConfigurationString(com.android.internal.R.styleable.AndroidManifestGrantUriPermission_pathPattern, 0);
            if (str != null) {
                pa = new PatternMatcher(str, PatternMatcher.PATTERN_SIMPLE_GLOB);
            }
            sa.recycle();
            if (pa != null) {
                if (outInfo.info.uriPermissionPatterns == null) {
                    outInfo.info.uriPermissionPatterns = new PatternMatcher[1];
                    outInfo.info.uriPermissionPatterns[0] = pa;
                } else {
                    final int N = outInfo.info.uriPermissionPatterns.length;
                    PatternMatcher[] newp = new PatternMatcher[N + 1];
                    System.arraycopy(outInfo.info.uriPermissionPatterns, 0, newp, 0, N);
                    newp[N] = pa;
                    outInfo.info.uriPermissionPatterns = newp;
                }
                outInfo.info.grantUriPermissions = true;
            } else {
                if (!RIGID_PARSER) {
                    Slog.w(TAG, "Unknown element under <path-permission>: " + parser.getName() + " at " + mArchiveSourcePath + " " + parser.getPositionDescription());
                    XmlUtils.skipCurrentTag(parser);
                    continue;
                } else {
                    outError[0] = "No path, pathPrefix, or pathPattern for <path-permission>";
                    return false;
                }
            }
            XmlUtils.skipCurrentTag(parser);
        } else if (parser.getName().equals("path-permission")) {
            TypedArray sa = res.obtainAttributes(parser, com.android.internal.R.styleable.AndroidManifestPathPermission);
            PathPermission pa = null;
            String permission = sa.getNonConfigurationString(com.android.internal.R.styleable.AndroidManifestPathPermission_permission, 0);
            String readPermission = sa.getNonConfigurationString(com.android.internal.R.styleable.AndroidManifestPathPermission_readPermission, 0);
            if (readPermission == null) {
                readPermission = permission;
            }
            String writePermission = sa.getNonConfigurationString(com.android.internal.R.styleable.AndroidManifestPathPermission_writePermission, 0);
            if (writePermission == null) {
                writePermission = permission;
            }
            boolean havePerm = false;
            if (readPermission != null) {
                readPermission = readPermission.intern();
                havePerm = true;
            }
            if (writePermission != null) {
                writePermission = writePermission.intern();
                havePerm = true;
            }
            if (!havePerm) {
                if (!RIGID_PARSER) {
                    Slog.w(TAG, "No readPermission or writePermssion for <path-permission>: " + parser.getName() + " at " + mArchiveSourcePath + " " + parser.getPositionDescription());
                    XmlUtils.skipCurrentTag(parser);
                    continue;
                } else {
                    outError[0] = "No readPermission or writePermssion for <path-permission>";
                    return false;
                }
            }
            String path = sa.getNonConfigurationString(com.android.internal.R.styleable.AndroidManifestPathPermission_path, 0);
            if (path != null) {
                pa = new PathPermission(path, PatternMatcher.PATTERN_LITERAL, readPermission, writePermission);
            }
            path = sa.getNonConfigurationString(com.android.internal.R.styleable.AndroidManifestPathPermission_pathPrefix, 0);
            if (path != null) {
                pa = new PathPermission(path, PatternMatcher.PATTERN_PREFIX, readPermission, writePermission);
            }
            path = sa.getNonConfigurationString(com.android.internal.R.styleable.AndroidManifestPathPermission_pathPattern, 0);
            if (path != null) {
                pa = new PathPermission(path, PatternMatcher.PATTERN_SIMPLE_GLOB, readPermission, writePermission);
            }
            sa.recycle();
            if (pa != null) {
                if (outInfo.info.pathPermissions == null) {
                    outInfo.info.pathPermissions = new PathPermission[1];
                    outInfo.info.pathPermissions[0] = pa;
                } else {
                    final int N = outInfo.info.pathPermissions.length;
                    PathPermission[] newp = new PathPermission[N + 1];
                    System.arraycopy(outInfo.info.pathPermissions, 0, newp, 0, N);
                    newp[N] = pa;
                    outInfo.info.pathPermissions = newp;
                }
            } else {
                if (!RIGID_PARSER) {
                    Slog.w(TAG, "No path, pathPrefix, or pathPattern for <path-permission>: " + parser.getName() + " at " + mArchiveSourcePath + " " + parser.getPositionDescription());
                    XmlUtils.skipCurrentTag(parser);
                    continue;
                }
                outError[0] = "No path, pathPrefix, or pathPattern for <path-permission>";
                return false;
            }
            XmlUtils.skipCurrentTag(parser);
        } else {
            if (!RIGID_PARSER) {
                Slog.w(TAG, "Unknown element under <provider>: " + parser.getName() + " at " + mArchiveSourcePath + " " + parser.getPositionDescription());
                XmlUtils.skipCurrentTag(parser);
                continue;
            } else {
                outError[0] = "Bad element under <provider>: " + parser.getName();
                return false;
            }
        }
    }
    return true;
}

Example 19 with PatternMatcher

use of android.os.PatternMatcher in project platform_frameworks_base by android.

the class ResolverActivity method onTargetSelected.

protected boolean onTargetSelected(TargetInfo target, boolean alwaysCheck) {
    final ResolveInfo ri = target.getResolveInfo();
    final Intent intent = target != null ? target.getResolvedIntent() : null;
    if (intent != null && (mAlwaysUseOption || mAdapter.hasFilteredItem()) && mAdapter.mOrigResolveList != null) {
        // Build a reasonable intent filter, based on what matched.
        IntentFilter filter = new IntentFilter();
        Intent filterIntent;
        if (intent.getSelector() != null) {
            filterIntent = intent.getSelector();
        } else {
            filterIntent = intent;
        }
        String action = filterIntent.getAction();
        if (action != null) {
            filter.addAction(action);
        }
        Set<String> categories = filterIntent.getCategories();
        if (categories != null) {
            for (String cat : categories) {
                filter.addCategory(cat);
            }
        }
        filter.addCategory(Intent.CATEGORY_DEFAULT);
        int cat = ri.match & IntentFilter.MATCH_CATEGORY_MASK;
        Uri data = filterIntent.getData();
        if (cat == IntentFilter.MATCH_CATEGORY_TYPE) {
            String mimeType = filterIntent.resolveType(this);
            if (mimeType != null) {
                try {
                    filter.addDataType(mimeType);
                } catch (IntentFilter.MalformedMimeTypeException e) {
                    Log.w("ResolverActivity", e);
                    filter = null;
                }
            }
        }
        if (data != null && data.getScheme() != null) {
            // or "content:" schemes (see IntentFilter for the reason).
            if (cat != IntentFilter.MATCH_CATEGORY_TYPE || (!"file".equals(data.getScheme()) && !"content".equals(data.getScheme()))) {
                filter.addDataScheme(data.getScheme());
                // Look through the resolved filter to determine which part
                // of it matched the original Intent.
                Iterator<PatternMatcher> pIt = ri.filter.schemeSpecificPartsIterator();
                if (pIt != null) {
                    String ssp = data.getSchemeSpecificPart();
                    while (ssp != null && pIt.hasNext()) {
                        PatternMatcher p = pIt.next();
                        if (p.match(ssp)) {
                            filter.addDataSchemeSpecificPart(p.getPath(), p.getType());
                            break;
                        }
                    }
                }
                Iterator<IntentFilter.AuthorityEntry> aIt = ri.filter.authoritiesIterator();
                if (aIt != null) {
                    while (aIt.hasNext()) {
                        IntentFilter.AuthorityEntry a = aIt.next();
                        if (a.match(data) >= 0) {
                            int port = a.getPort();
                            filter.addDataAuthority(a.getHost(), port >= 0 ? Integer.toString(port) : null);
                            break;
                        }
                    }
                }
                pIt = ri.filter.pathsIterator();
                if (pIt != null) {
                    String path = data.getPath();
                    while (path != null && pIt.hasNext()) {
                        PatternMatcher p = pIt.next();
                        if (p.match(path)) {
                            filter.addDataPath(p.getPath(), p.getType());
                            break;
                        }
                    }
                }
            }
        }
        if (filter != null) {
            final int N = mAdapter.mOrigResolveList.size();
            ComponentName[] set = new ComponentName[N];
            int bestMatch = 0;
            for (int i = 0; i < N; i++) {
                ResolveInfo r = mAdapter.mOrigResolveList.get(i).getResolveInfoAt(0);
                set[i] = new ComponentName(r.activityInfo.packageName, r.activityInfo.name);
                if (r.match > bestMatch)
                    bestMatch = r.match;
            }
            if (alwaysCheck) {
                final int userId = getUserId();
                final PackageManager pm = getPackageManager();
                // Set the preferred Activity
                pm.addPreferredActivity(filter, bestMatch, set, intent.getComponent());
                if (ri.handleAllWebDataURI) {
                    // Set default Browser if needed
                    final String packageName = pm.getDefaultBrowserPackageNameAsUser(userId);
                    if (TextUtils.isEmpty(packageName)) {
                        pm.setDefaultBrowserPackageNameAsUser(ri.activityInfo.packageName, userId);
                    }
                } else {
                    // Update Domain Verification status
                    ComponentName cn = intent.getComponent();
                    String packageName = cn.getPackageName();
                    String dataScheme = (data != null) ? data.getScheme() : null;
                    boolean isHttpOrHttps = (dataScheme != null) && (dataScheme.equals(IntentFilter.SCHEME_HTTP) || dataScheme.equals(IntentFilter.SCHEME_HTTPS));
                    boolean isViewAction = (action != null) && action.equals(Intent.ACTION_VIEW);
                    boolean hasCategoryBrowsable = (categories != null) && categories.contains(Intent.CATEGORY_BROWSABLE);
                    if (isHttpOrHttps && isViewAction && hasCategoryBrowsable) {
                        pm.updateIntentVerificationStatusAsUser(packageName, PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId);
                    }
                }
            } else {
                try {
                    AppGlobals.getPackageManager().setLastChosenActivity(intent, intent.resolveType(getContentResolver()), PackageManager.MATCH_DEFAULT_ONLY, filter, bestMatch, intent.getComponent());
                } catch (RemoteException re) {
                    Log.d(TAG, "Error calling setLastChosenActivity\n" + re);
                }
            }
        }
    }
    if (target != null) {
        safelyStartActivity(target);
    }
    return true;
}

Example 20 with PatternMatcher

use of android.os.PatternMatcher in project android_frameworks_base by ParanoidAndroid.

the class Settings method readDefaultPreferredActivitiesLPw.

private void readDefaultPreferredActivitiesLPw(PackageManagerService service, XmlPullParser parser, int userId) throws XmlPullParserException, IOException {
    int outerDepth = parser.getDepth();
    int type;
    while ((type = parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
        if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
            continue;
        }
        String tagName = parser.getName();
        if (tagName.equals(TAG_ITEM)) {
            PreferredActivity tmpPa = new PreferredActivity(parser);
            if (tmpPa.mPref.getParseError() == null) {
                // preferred activity entry.
                if (PackageManagerService.DEBUG_PREFERRED) {
                    Log.d(TAG, "Processing preferred:");
                    tmpPa.dump(new LogPrinter(Log.DEBUG, TAG), "  ");
                }
                final ComponentName cn = tmpPa.mPref.mComponent;
                Intent intent = new Intent();
                int flags = 0;
                intent.setAction(tmpPa.getAction(0));
                for (int i = 0; i < tmpPa.countCategories(); i++) {
                    String cat = tmpPa.getCategory(i);
                    if (cat.equals(Intent.CATEGORY_DEFAULT)) {
                        flags |= PackageManager.MATCH_DEFAULT_ONLY;
                    } else {
                        intent.addCategory(cat);
                    }
                }
                if (tmpPa.countDataSchemes() > 0) {
                    Uri.Builder builder = new Uri.Builder();
                    builder.scheme(tmpPa.getDataScheme(0));
                    if (tmpPa.countDataAuthorities() > 0) {
                        IntentFilter.AuthorityEntry auth = tmpPa.getDataAuthority(0);
                        if (auth.getHost() != null) {
                            builder.authority(auth.getHost());
                        }
                    }
                    if (tmpPa.countDataPaths() > 0) {
                        PatternMatcher path = tmpPa.getDataPath(0);
                        builder.path(path.getPath());
                    }
                    intent.setData(builder.build());
                } else if (tmpPa.countDataTypes() > 0) {
                    intent.setType(tmpPa.getDataType(0));
                }
                List<ResolveInfo> ri = service.mActivities.queryIntent(intent, intent.getType(), flags, 0);
                if (PackageManagerService.DEBUG_PREFERRED)
                    Log.d(TAG, "Queried " + intent + " results: " + ri);
                int match = 0;
                if (ri != null && ri.size() > 1) {
                    boolean haveAct = false;
                    boolean haveNonSys = false;
                    ComponentName[] set = new ComponentName[ri.size()];
                    for (int i = 0; i < ri.size(); i++) {
                        ActivityInfo ai = ri.get(i).activityInfo;
                        set[i] = new ComponentName(ai.packageName, ai.name);
                        if ((ai.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
                            // so don't set a default since we don't want to hide it.
                            if (PackageManagerService.DEBUG_PREFERRED)
                                Log.d(TAG, "Result " + ai.packageName + "/" + ai.name + ": non-system!");
                            haveNonSys = true;
                            break;
                        } else if (cn.getPackageName().equals(ai.packageName) && cn.getClassName().equals(ai.name)) {
                            if (PackageManagerService.DEBUG_PREFERRED)
                                Log.d(TAG, "Result " + ai.packageName + "/" + ai.name + ": default!");
                            haveAct = true;
                            match = ri.get(i).match;
                        } else {
                            if (PackageManagerService.DEBUG_PREFERRED)
                                Log.d(TAG, "Result " + ai.packageName + "/" + ai.name + ": skipped");
                        }
                    }
                    if (haveAct && !haveNonSys) {
                        PreferredActivity pa = new PreferredActivity(tmpPa, match, set, tmpPa.mPref.mComponent);
                        editPreferredActivitiesLPw(userId).addFilter(pa);
                    } else if (!haveNonSys) {
                        Slog.w(TAG, "No component found for default preferred activity " + tmpPa.mPref.mComponent);
                    }
                }
            } else {
                PackageManagerService.reportSettingsProblem(Log.WARN, "Error in package manager settings: <preferred-activity> " + tmpPa.mPref.getParseError() + " at " + parser.getPositionDescription());
            }
        } else {
            PackageManagerService.reportSettingsProblem(Log.WARN, "Unknown element under <preferred-activities>: " + parser.getName());
            XmlUtils.skipCurrentTag(parser);
        }
    }
}