Add WallpaperDescription to WallpaperData and persist description (6e424669) · Commits · e / os / android_frameworks_base

core/java/android/app/wallpaper/WallpaperDescription.java

+108 −0

Original line number	Diff line number	Diff line
		@@ -25,10 +25,21 @@ import android.net.Uri;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.os.PersistableBundle;
		import android.text.Html;
		import android.text.Spanned;
		import android.text.SpannedString;
		import android.util.Log;

		import androidx.annotation.NonNull;
		import androidx.annotation.Nullable;

		import com.android.modules.utils.TypedXmlPullParser;
		import com.android.modules.utils.TypedXmlSerializer;

		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;

		import java.io.IOException;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.List;
		@@ -48,6 +59,10 @@ import java.util.Objects;
		*/
		@FlaggedApi(FLAG_LIVE_WALLPAPER_CONTENT_HANDLING)
		public final class WallpaperDescription implements Parcelable {
		private static final String TAG = "WallpaperDescription";
		private static final String XML_TAG_CONTENT = "content";
		private static final String XML_TAG_DESCRIPTION = "description";

		@Nullable private final ComponentName mComponent;
		@Nullable private final String mId;
		@Nullable private final Uri mThumbnail;
		@@ -134,6 +149,99 @@ public final class WallpaperDescription implements Parcelable {
		return Objects.hash(mComponent, mId);
		}

		////// XML storage

		/** @hide */
		public void saveToXml(TypedXmlSerializer out) throws IOException, XmlPullParserException {
		if (mComponent != null) {
		out.attribute(null, "component", mComponent.flattenToShortString());
		}
		if (mId != null) out.attribute(null, "id", mId);
		if (mThumbnail != null) out.attribute(null, "thumbnail", mThumbnail.toString());
		if (mTitle != null) out.attribute(null, "title", toHtml(mTitle));
		if (mContextUri != null) out.attribute(null, "contexturi", mContextUri.toString());
		if (mContextDescription != null) {
		out.attribute(null, "contextdescription", toHtml(mContextDescription));
		}
		out.startTag(null, XML_TAG_DESCRIPTION);
		for (CharSequence s : mDescription) out.attribute(null, "descriptionline", toHtml(s));
		out.endTag(null, XML_TAG_DESCRIPTION);
		try {
		out.startTag(null, XML_TAG_CONTENT);
		mContent.saveToXml(out);
		} catch (XmlPullParserException e) {
		// Be extra conservative and don't fail when writing content since it could come
		// from third parties
		Log.e(TAG, "unable to convert wallpaper content to XML");
		} finally {
		out.endTag(null, XML_TAG_CONTENT);
		}
		}

		/** @hide */
		public static WallpaperDescription restoreFromXml(TypedXmlPullParser in) throws IOException,
		XmlPullParserException {
		final int outerDepth = in.getDepth();
		String component = in.getAttributeValue(null, "component");
		ComponentName componentName = (component != null) ? ComponentName.unflattenFromString(
		component) : null;
		String id = in.getAttributeValue(null, "id");
		String thumbnailString = in.getAttributeValue(null, "thumbnail");
		Uri thumbnail = (thumbnailString != null) ? Uri.parse(thumbnailString) : null;
		CharSequence title = fromHtml(in.getAttributeValue(null, "title"));
		String contextUriString = in.getAttributeValue(null, "contexturi");
		Uri contextUri = (contextUriString != null) ? Uri.parse(contextUriString) : null;
		CharSequence contextDescription = fromHtml(
		in.getAttributeValue(null, "contextdescription"));

		List<CharSequence> description = new ArrayList<>();
		PersistableBundle content = null;
		int type;
		while ((type = in.next()) != XmlPullParser.END_DOCUMENT
		&& (type != XmlPullParser.END_TAG \|\| in.getDepth() > outerDepth)) {
		if (type == XmlPullParser.END_TAG \|\| type == XmlPullParser.TEXT) {
		continue;
		}
		String name = in.getName();
		if (XML_TAG_DESCRIPTION.equals(name)) {
		for (int i = 0; i < in.getAttributeCount(); i++) {
		description.add(fromHtml(in.getAttributeValue(i)));
		}
		} else if (XML_TAG_CONTENT.equals(name)) {
		content = PersistableBundle.restoreFromXml(in);
		}
		}

		return new WallpaperDescription(componentName, id, thumbnail, title, description,
		contextUri, contextDescription, content);
		}

		private static String toHtml(@NonNull CharSequence c) {
		Spanned s = (c instanceof Spanned) ? (Spanned) c : new SpannedString(c);
		return Html.toHtml(s, Html.TO_HTML_PARAGRAPH_LINES_INDIVIDUAL);
		}

		private static CharSequence fromHtml(@Nullable String text) {
		if (text == null) {
		return null;
		} else {
		return removeTrailingWhitespace(Html.fromHtml(text, Html.FROM_HTML_MODE_COMPACT));
		}
		}

		// Html.fromHtml and toHtml add a trailing line. This removes it. See
		// https://stackoverflow.com/q/9589381
		private static CharSequence removeTrailingWhitespace(CharSequence s) {
		if (s == null) return null;

		int end = s.length();
		while (end > 0 && Character.isWhitespace(s.charAt(end - 1))) {
		end--;
		}

		return s.subSequence(0, end);
		}

		////// Parcelable implementation

		WallpaperDescription(@NonNull Parcel in) {

core/tests/coretests/src/android/app/wallpaper/WallpaperDescriptionTest.java

+69 −0

Original line number	Diff line number	Diff line
		@@ -22,15 +22,27 @@ import android.content.ComponentName;
		import android.net.Uri;
		import android.os.Parcel;
		import android.os.PersistableBundle;
		import android.util.Xml;

		import com.android.modules.utils.TypedXmlPullParser;
		import com.android.modules.utils.TypedXmlSerializer;

		import org.junit.Test;
		import org.junit.runner.RunWith;
		import org.junit.runners.JUnit4;
		import org.xmlpull.v1.XmlPullParser;
		import org.xmlpull.v1.XmlPullParserException;

		import java.io.ByteArrayInputStream;
		import java.io.ByteArrayOutputStream;
		import java.io.IOException;
		import java.nio.charset.StandardCharsets;
		import java.util.List;

		@RunWith(JUnit4.class)
		public class WallpaperDescriptionTest {
		private static final String TAG = "WallpaperDescriptionTest";

		private final ComponentName mTestComponent = new ComponentName("fakePackage", "fakeClass");

		@Test
		@@ -55,6 +67,63 @@ public class WallpaperDescriptionTest {
		assertThat(desc1.hashCode()).isEqualTo(desc2.hashCode());
		}

		@Test
		public void xml_roundTripSucceeds() throws IOException, XmlPullParserException {
		final Uri thumbnail = Uri.parse("http://www.bogus.com/thumbnail");
		final List<CharSequence> description = List.of("line1", "line2");
		final Uri contextUri = Uri.parse("http://www.bogus.com/contextUri");
		final PersistableBundle content = new PersistableBundle();
		content.putString("ckey", "cvalue");
		WallpaperDescription source = new WallpaperDescription.Builder()
		.setComponent(mTestComponent).setId("fakeId").setThumbnail(thumbnail)
		.setTitle("Fake title").setDescription(description)
		.setContextUri(contextUri).setContextDescription("Context description")
		.setContent(content).build();

		ByteArrayOutputStream ostream = new ByteArrayOutputStream();
		TypedXmlSerializer serializer = Xml.newBinarySerializer();
		serializer.setOutput(ostream, StandardCharsets.UTF_8.name());
		serializer.startDocument(null, true);
		serializer.startTag(null, "test");
		source.saveToXml(serializer);
		serializer.endTag(null, "test");
		serializer.endDocument();
		ostream.close();

		WallpaperDescription destination = null;
		ByteArrayInputStream istream = new ByteArrayInputStream(ostream.toByteArray());
		TypedXmlPullParser parser = Xml.newBinaryPullParser();
		parser.setInput(istream, StandardCharsets.UTF_8.name());
		int type;
		do {
		type = parser.next();
		if (type == XmlPullParser.START_TAG && "test".equals(parser.getName())) {
		destination = WallpaperDescription.restoreFromXml(parser);
		}
		} while (type != XmlPullParser.END_DOCUMENT);

		assertThat(destination).isNotNull();
		assertThat(destination.getComponent()).isEqualTo(source.getComponent());
		assertThat(destination.getId()).isEqualTo(source.getId());
		assertThat(destination.getThumbnail()).isEqualTo(source.getThumbnail());
		assertWithMessage("title mismatch").that(
		CharSequence.compare(destination.getTitle(), source.getTitle())).isEqualTo(0);
		assertThat(destination.getDescription()).hasSize(source.getDescription().size());
		for (int i = 0; i < destination.getDescription().size(); i++) {
		CharSequence strDest = destination.getDescription().get(i);
		CharSequence strSrc = source.getDescription().get(i);
		assertWithMessage("description string mismatch")
		.that(CharSequence.compare(strDest, strSrc)).isEqualTo(0);
		}
		assertThat(destination.getContextUri()).isEqualTo(source.getContextUri());
		assertWithMessage("context description mismatch").that(
		CharSequence.compare(destination.getContextDescription(),
		source.getContextDescription())).isEqualTo(0);
		assertThat(destination.getContent()).isNotNull();
		assertThat(destination.getContent().getString("ckey")).isEqualTo(
		source.getContent().getString("ckey"));
		}

		@Test
		public void parcel_roundTripSucceeds() {
		final Uri thumbnail = Uri.parse("http://www.bogus.com/thumbnail");

services/core/java/com/android/server/wallpaper/WallpaperData.java

+14 −0

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@ import android.app.IWallpaperManagerCallback;
		import android.app.WallpaperColors;
		import android.app.WallpaperManager.ScreenOrientation;
		import android.app.WallpaperManager.SetWallpaperFlags;
		import android.app.wallpaper.WallpaperDescription;
		import android.content.ComponentName;
		import android.graphics.Rect;
		import android.os.RemoteCallbackList;
		@@ -77,6 +78,8 @@ class WallpaperData {

		/**
		* The component name of the currently set live wallpaper.
		*
		* @deprecated
		*/
		private ComponentName mWallpaperComponent;

		@@ -179,6 +182,9 @@ class WallpaperData {
		*/
		int mOrientationWhenSet = ORIENTATION_UNKNOWN;

		/** Description of the current wallpaper */
		private WallpaperDescription mDescription;

		WallpaperData(int userId, @SetWallpaperFlags int wallpaperType) {
		this.userId = userId;
		this.mWhich = wallpaperType;
		@@ -238,6 +244,14 @@ class WallpaperData {
		this.mWallpaperComponent = componentName;
		}

		WallpaperDescription getDescription() {
		return mDescription;
		}

		void setDescription(WallpaperDescription description) {
		this.mDescription = description;
		}

		@Override
		public String toString() {
		StringBuilder out = new StringBuilder(defaultString(this));

services/core/java/com/android/server/wallpaper/WallpaperDataParser.java

+73 −20

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.server.wallpaper;

		import static android.app.Flags.liveWallpaperContentHandling;
		import static android.app.Flags.removeNextWallpaperComponent;
		import static android.app.WallpaperManager.FLAG_LOCK;
		import static android.app.WallpaperManager.FLAG_SYSTEM;
		@@ -30,11 +31,13 @@ import static com.android.server.wallpaper.WallpaperUtils.getWallpaperDir;
		import static com.android.server.wallpaper.WallpaperUtils.makeWallpaperIdLocked;
		import static com.android.window.flags.Flags.multiCrop;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.app.WallpaperColors;
		import android.app.WallpaperManager;
		import android.app.WallpaperManager.SetWallpaperFlags;
		import android.app.backup.WallpaperBackupHelper;
		import android.app.wallpaper.WallpaperDescription;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.pm.PackageManager;
		@@ -194,9 +197,16 @@ public class WallpaperDataParser {

		if (loadSystem) {
		if (!success) {
		// Set safe values that won't cause crashes
		wallpaper.cropHint.set(0, 0, 0, 0);
		wpdData.mPadding.set(0, 0, 0, 0);
		wallpaper.name = "";
		if (liveWallpaperContentHandling()) {
		wallpaper.setDescription(new WallpaperDescription.Builder().setComponent(
		mImageWallpaper).build());
		} else {
		wallpaper.setComponent(mImageWallpaper);
		}
		} else {
		if (wallpaper.wallpaperId <= 0) {
		wallpaper.wallpaperId = makeWallpaperIdLocked();
		@@ -245,25 +255,11 @@ public class WallpaperDataParser {
		parseWallpaperAttributes(parser, wallpaperToParse, keepDimensionHints);
		}

		String comp = parser.getAttributeValue(null, "component");
		ComponentName comp = parseComponentName(parser);
		if (removeNextWallpaperComponent()) {
		wallpaperToParse.setComponent(comp != null
		? ComponentName.unflattenFromString(comp)
		: null);
		if (wallpaperToParse.getComponent() == null
		\|\| "android".equals(wallpaperToParse.getComponent()
		.getPackageName())) {
		wallpaperToParse.setComponent(mImageWallpaper);
		}
		wallpaperToParse.setComponent(comp);
		} else {
		wallpaperToParse.nextWallpaperComponent = comp != null
		? ComponentName.unflattenFromString(comp)
		: null;
		if (wallpaperToParse.nextWallpaperComponent == null
		\|\| "android".equals(wallpaperToParse.nextWallpaperComponent
		.getPackageName())) {
		wallpaperToParse.nextWallpaperComponent = mImageWallpaper;
		}
		wallpaperToParse.nextWallpaperComponent = comp;
		}

		if (multiCrop()) {
		@@ -290,6 +286,17 @@ public class WallpaperDataParser {
		return lockWallpaper;
		}

		@NonNull
		private ComponentName parseComponentName(TypedXmlPullParser parser) {
		String comp = parser.getAttributeValue(null, "component");
		ComponentName c = (comp != null) ? ComponentName.unflattenFromString(comp) : null;
		if (c == null \|\| "android".equals(c.getPackageName())) {
		c = mImageWallpaper;
		}

		return c;
		}

		private void ensureSaneWallpaperData(WallpaperData wallpaper) {
		// Only overwrite cropHint if the rectangle is invalid.
		if (wallpaper.cropHint.width() < 0
		@@ -332,9 +339,29 @@ public class WallpaperDataParser {
		}
		}

		void parseWallpaperDescription(TypedXmlPullParser parser, WallpaperData wallpaper)
		throws XmlPullParserException, IOException {

		int type = parser.next();
		if (type == XmlPullParser.START_TAG && "description".equals(parser.getName())) {
		// Always read the description if it's there - there may be one from a previous save
		// with content handling enabled even if it's enabled now
		WallpaperDescription description = WallpaperDescription.restoreFromXml(parser);
		if (liveWallpaperContentHandling()) {
		// null component means that wallpaper was last saved without content handling, so
		// populate description from saved component
		if (description.getComponent() == null) {
		description = description.toBuilder().setComponent(
		parseComponentName(parser)).build();
		}
		wallpaper.setDescription(description);
		}
		}
		}

		@VisibleForTesting
		void parseWallpaperAttributes(TypedXmlPullParser parser, WallpaperData wallpaper,
		boolean keepDimensionHints) throws XmlPullParserException {
		boolean keepDimensionHints) throws XmlPullParserException, IOException {
		final int id = parser.getAttributeInt(null, "id", -1);
		if (id != -1) {
		wallpaper.wallpaperId = id;
		@@ -355,8 +382,7 @@ public class WallpaperDataParser {
		getAttributeInt(parser, "totalCropTop", 0),
		getAttributeInt(parser, "totalCropRight", 0),
		getAttributeInt(parser, "totalCropBottom", 0));
		ComponentName componentName = removeNextWallpaperComponent() ? wallpaper.getComponent()
		: wallpaper.nextWallpaperComponent;
		ComponentName componentName = parseComponentName(parser);
		if (multiCrop() && mImageWallpaper.equals(componentName)) {
		wallpaper.mCropHints = new SparseArray<>();
		for (Pair<Integer, String> pair: screenDimensionPairs()) {
		@@ -443,6 +469,15 @@ public class WallpaperDataParser {
		}
		wallpaper.name = parser.getAttributeValue(null, "name");
		wallpaper.allowBackup = parser.getAttributeBoolean(null, "backup", false);

		parseWallpaperDescription(parser, wallpaper);
		if (liveWallpaperContentHandling() && wallpaper.getDescription().getComponent() == null) {
		// The last save was done before the content handling flag was enabled and has no
		// WallpaperDescription, so create a default one with the correct component.
		// CSP: log boot after flag change to false -> true
		wallpaper.setDescription(
		new WallpaperDescription.Builder().setComponent(componentName).build());
		}
		}

		private static int getAttributeInt(TypedXmlPullParser parser, String name, int defValue) {
		@@ -610,9 +645,27 @@ public class WallpaperDataParser {
		out.attributeBoolean(null, "backup", true);
		}

		writeWallpaperDescription(out, wallpaper);

		out.endTag(null, tag);
		}

		void writeWallpaperDescription(TypedXmlSerializer out, WallpaperData wallpaper)
		throws IOException {
		if (liveWallpaperContentHandling()) {
		WallpaperDescription description = wallpaper.getDescription();
		if (description != null) {
		String descriptionTag = "description";
		out.startTag(null, descriptionTag);
		try {
		description.saveToXml(out);
		} catch (XmlPullParserException e) {
		Slog.e(TAG, "Error writing wallpaper description", e);
		}
		out.endTag(null, descriptionTag);
		}
		}
		}
		// Restore the named resource bitmap to both source + crop files
		boolean restoreNamedResourceLocked(WallpaperData wallpaper) {
		if (wallpaper.name.length() > 4 && "res:".equals(wallpaper.name.substring(0, 4))) {

services/tests/mockingservicestests/src/com/android/server/wallpaper/WallpaperManagerServiceTests.java

+61 −42

Original line number	Diff line number	Diff line
		@@ -40,7 +40,6 @@ import static org.junit.Assert.assertNotEquals;
		import static org.junit.Assert.assertNotNull;
		import static org.junit.Assert.assertNull;
		import static org.junit.Assert.assertTrue;
		import static org.junit.Assert.fail;
		import static org.junit.Assume.assumeThat;
		import static org.mockito.ArgumentMatchers.any;
		import static org.mockito.ArgumentMatchers.anyBoolean;
		@@ -55,6 +54,7 @@ import android.app.AppOpsManager;
		import android.app.Flags;
		import android.app.WallpaperColors;
		import android.app.WallpaperManager;
		import android.app.wallpaper.WallpaperDescription;
		import android.content.ComponentName;
		import android.content.Context;
		import android.content.Intent;
		@@ -65,6 +65,7 @@ import android.content.pm.ServiceInfo;
		import android.graphics.Color;
		import android.hardware.display.DisplayManager;
		import android.os.ParcelFileDescriptor;
		import android.os.PersistableBundle;
		import android.os.RemoteException;
		import android.os.SystemClock;
		import android.platform.test.annotations.DisableFlags;
		@@ -426,7 +427,8 @@ public class WallpaperManagerServiceTests {

		@Test
		@EnableFlags(Flags.FLAG_REMOVE_NEXT_WALLPAPER_COMPONENT)
		public void testSaveLoadSettings() {
		public void testSaveLoadSettings_withoutWallpaperDescription()
		throws IOException, XmlPullParserException {
		WallpaperData expectedData = mService.getCurrentWallpaperData(FLAG_SYSTEM, 0);
		expectedData.setComponent(sDefaultWallpaperComponent);
		expectedData.primaryColors = new WallpaperColors(Color.valueOf(Color.RED),
		@@ -436,17 +438,12 @@ public class WallpaperManagerServiceTests {
		expectedData.mUidToDimAmount.put(1, 0.4f);

		ByteArrayOutputStream ostream = new ByteArrayOutputStream();
		try {
		TypedXmlSerializer serializer = Xml.newBinarySerializer();
		serializer.setOutput(ostream, StandardCharsets.UTF_8.name());
		mService.mWallpaperDataParser.saveSettingsToSerializer(serializer, expectedData, null);
		ostream.close();
		} catch (IOException e) {
		fail("exception occurred while writing system wallpaper attributes");
		}

		WallpaperData actualData = new WallpaperData(0, FLAG_SYSTEM);
		try {
		ByteArrayInputStream istream = new ByteArrayInputStream(ostream.toByteArray());
		TypedXmlPullParser parser = Xml.newBinaryPullParser();
		parser.setInput(istream, StandardCharsets.UTF_8.name());
		@@ -454,9 +451,6 @@ public class WallpaperManagerServiceTests {
		actualData, /* userId= /0, / loadSystem= / true, / loadLock= */
		false, /* keepDimensionHints= */ true,
		new WallpaperDisplayHelper.DisplayData(0));
		} catch (IOException \| XmlPullParserException e) {
		fail("exception occurred while parsing wallpaper");
		}

		assertThat(actualData.getComponent()).isEqualTo(expectedData.getComponent());
		assertThat(actualData.primaryColors).isEqualTo(expectedData.primaryColors);
		@@ -471,24 +465,52 @@ public class WallpaperManagerServiceTests {
		}
		}

		@Test
		@EnableFlags(Flags.FLAG_REMOVE_NEXT_WALLPAPER_COMPONENT)
		public void testSaveLoadSettings_withWallpaperDescription()
		throws IOException, XmlPullParserException {
		WallpaperData expectedData = mService.getCurrentWallpaperData(FLAG_SYSTEM, 0);
		expectedData.setComponent(sDefaultWallpaperComponent);
		PersistableBundle content = new PersistableBundle();
		content.putString("ckey", "cvalue");
		WallpaperDescription description = new WallpaperDescription.Builder()
		.setComponent(sDefaultWallpaperComponent).setId("testId").setTitle("fake one")
		.setContent(content).build();
		expectedData.setDescription(description);

		ByteArrayOutputStream ostream = new ByteArrayOutputStream();
		TypedXmlSerializer serializer = Xml.newBinarySerializer();
		serializer.setOutput(ostream, StandardCharsets.UTF_8.name());
		mService.mWallpaperDataParser.saveSettingsToSerializer(serializer, expectedData, null);
		ostream.close();

		WallpaperData actualData = new WallpaperData(0, FLAG_SYSTEM);
		ByteArrayInputStream istream = new ByteArrayInputStream(ostream.toByteArray());
		TypedXmlPullParser parser = Xml.newBinaryPullParser();
		parser.setInput(istream, StandardCharsets.UTF_8.name());
		mService.mWallpaperDataParser.loadSettingsFromSerializer(parser,
		actualData, /* userId= /0, / loadSystem= / true, / loadLock= */
		false, /* keepDimensionHints= */ true,
		new WallpaperDisplayHelper.DisplayData(0));

		assertThat(actualData.getComponent()).isEqualTo(expectedData.getComponent());
		assertThat(actualData.getDescription()).isEqualTo(expectedData.getDescription());
		}

		@Test
		@DisableFlags(Flags.FLAG_REMOVE_NEXT_WALLPAPER_COMPONENT)
		public void testSaveLoadSettings_legacyNextComponent() {
		public void testSaveLoadSettings_legacyNextComponent()
		throws IOException, XmlPullParserException {
		WallpaperData systemWallpaperData = mService.getCurrentWallpaperData(FLAG_SYSTEM, 0);
		systemWallpaperData.setComponent(sDefaultWallpaperComponent);
		ByteArrayOutputStream ostream = new ByteArrayOutputStream();
		try {
		TypedXmlSerializer serializer = Xml.newBinarySerializer();
		serializer.setOutput(ostream, StandardCharsets.UTF_8.name());
		mService.mWallpaperDataParser.saveSettingsToSerializer(serializer, systemWallpaperData,
		null);
		ostream.close();
		} catch (IOException e) {
		fail("exception occurred while writing system wallpaper attributes");
		}

		WallpaperData shouldMatchSystem = new WallpaperData(0, FLAG_SYSTEM);
		try {
		ByteArrayInputStream istream = new ByteArrayInputStream(ostream.toByteArray());
		TypedXmlPullParser parser = Xml.newBinaryPullParser();
		parser.setInput(istream, StandardCharsets.UTF_8.name());
		@@ -496,9 +518,6 @@ public class WallpaperManagerServiceTests {
		shouldMatchSystem, /* userId= /0, / loadSystem= / true, / loadLock= */
		false, /* keepDimensionHints= */ true,
		new WallpaperDisplayHelper.DisplayData(0));
		} catch (IOException \| XmlPullParserException e) {
		fail("exception occurred while parsing wallpaper");
		}

		assertThat(shouldMatchSystem.nextWallpaperComponent).isEqualTo(
		systemWallpaperData.getComponent());