Merge "Update read wallpaper methods (U and above)" into udc-dev (84617c01) · Commits · e / os / android_frameworks_base

core/api/current.txt

+9 −9

Original line number	Diff line number	Diff line
		@@ -7575,23 +7575,23 @@ package android.app {
		method public android.content.Intent getCropAndSetWallpaperIntent(android.net.Uri);
		method public int getDesiredMinimumHeight();
		method public int getDesiredMinimumWidth();
		method @Nullable @RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE) public android.graphics.drawable.Drawable getDrawable();
		method @Nullable @RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE) public android.graphics.drawable.Drawable getDrawable(int);
		method @Nullable @RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE) public android.graphics.drawable.Drawable getFastDrawable();
		method @Nullable @RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE) public android.graphics.drawable.Drawable getFastDrawable(int);
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_EXTERNAL_STORAGE, "android.permission.READ_WALLPAPER_INTERNAL"}) public android.graphics.drawable.Drawable getDrawable();
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_EXTERNAL_STORAGE, "android.permission.READ_WALLPAPER_INTERNAL"}) public android.graphics.drawable.Drawable getDrawable(int);
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_EXTERNAL_STORAGE, "android.permission.READ_WALLPAPER_INTERNAL"}) public android.graphics.drawable.Drawable getFastDrawable();
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_EXTERNAL_STORAGE, "android.permission.READ_WALLPAPER_INTERNAL"}) public android.graphics.drawable.Drawable getFastDrawable(int);
		method public static android.app.WallpaperManager getInstance(android.content.Context);
		method @Nullable public android.app.WallpaperColors getWallpaperColors(int);
		method @RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE) public android.os.ParcelFileDescriptor getWallpaperFile(int);
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_EXTERNAL_STORAGE, "android.permission.READ_WALLPAPER_INTERNAL"}) public android.os.ParcelFileDescriptor getWallpaperFile(int);
		method public int getWallpaperId(int);
		method public android.app.WallpaperInfo getWallpaperInfo();
		method @Nullable public android.app.WallpaperInfo getWallpaperInfo(int);
		method public boolean hasResourceWallpaper(@RawRes int);
		method public boolean isSetWallpaperAllowed();
		method public boolean isWallpaperSupported();
		method @Nullable public android.graphics.drawable.Drawable peekDrawable();
		method @Nullable public android.graphics.drawable.Drawable peekDrawable(int);
		method @Nullable @RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE) public android.graphics.drawable.Drawable peekFastDrawable();
		method @Nullable @RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE) public android.graphics.drawable.Drawable peekFastDrawable(int);
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_EXTERNAL_STORAGE, "android.permission.READ_WALLPAPER_INTERNAL"}) public android.graphics.drawable.Drawable peekDrawable();
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_EXTERNAL_STORAGE, "android.permission.READ_WALLPAPER_INTERNAL"}) public android.graphics.drawable.Drawable peekDrawable(int);
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_EXTERNAL_STORAGE, "android.permission.READ_WALLPAPER_INTERNAL"}) public android.graphics.drawable.Drawable peekFastDrawable();
		method @Nullable @RequiresPermission(anyOf={android.Manifest.permission.MANAGE_EXTERNAL_STORAGE, "android.permission.READ_WALLPAPER_INTERNAL"}) public android.graphics.drawable.Drawable peekFastDrawable(int);
		method public void removeOnColorsChangedListener(@NonNull android.app.WallpaperManager.OnColorsChangedListener);
		method public void sendWallpaperCommand(android.os.IBinder, String, int, int, int, android.os.Bundle);
		method @RequiresPermission(android.Manifest.permission.SET_WALLPAPER) public void setBitmap(android.graphics.Bitmap) throws java.io.IOException;

core/api/test-current.txt

+1 −1

Original line number	Diff line number	Diff line
		@@ -476,7 +476,7 @@ package android.app {
		method @Nullable public android.graphics.Rect peekBitmapDimensions(int);
		method public void setWallpaperZoomOut(@NonNull android.os.IBinder, float);
		method public boolean shouldEnableWideColorGamut();
		method @RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE) public boolean wallpaperSupportsWcg(int);
		method public boolean wallpaperSupportsWcg(int);
		}

		public class WindowConfiguration implements java.lang.Comparable<android.app.WindowConfiguration> android.os.Parcelable {

core/java/android/app/WallpaperManager.java

+214 −14

Original line number	Diff line number	Diff line
		@@ -16,6 +16,11 @@

		package android.app;

		import static android.Manifest.permission.MANAGE_EXTERNAL_STORAGE;
		import static android.Manifest.permission.READ_WALLPAPER_INTERNAL;
		import static android.content.pm.PackageManager.PERMISSION_GRANTED;
		import static android.os.ParcelFileDescriptor.MODE_READ_ONLY;

		import android.annotation.FloatRange;
		import android.annotation.IntDef;
		import android.annotation.NonNull;
		@@ -28,6 +33,9 @@ import android.annotation.SystemApi;
		import android.annotation.SystemService;
		import android.annotation.TestApi;
		import android.annotation.UiContext;
		import android.app.compat.CompatChanges;
		import android.compat.annotation.ChangeId;
		import android.compat.annotation.EnabledSince;
		import android.compat.annotation.UnsupportedAppUsage;
		import android.content.ComponentName;
		import android.content.ContentResolver;
		@@ -84,6 +92,7 @@ import java.io.BufferedInputStream;
		import java.io.ByteArrayOutputStream;
		import java.io.File;
		import java.io.FileInputStream;
		import java.io.FileNotFoundException;
		import java.io.FileOutputStream;
		import java.io.IOException;
		import java.io.InputStream;
		@@ -108,8 +117,26 @@ import java.util.concurrent.TimeUnit;
		*/
		@SystemService(Context.WALLPAPER_SERVICE)
		public class WallpaperManager {

		private static String TAG = "WallpaperManager";
		private static final boolean DEBUG = false;

		/**
		* Trying to read the wallpaper file or bitmap in T will return
		* the default wallpaper bitmap/file instead of throwing a SecurityException.
		*/
		@ChangeId
		@EnabledSince(targetSdkVersion = Build.VERSION_CODES.TIRAMISU)
		static final long RETURN_DEFAULT_ON_SECURITY_EXCEPTION = 239784307L;

		/**
		* In U and later, attempting to read the wallpaper file or bitmap will throw an exception,
		* (except with the READ_WALLPAPER_INTERNAL permission).
		*/
		@ChangeId
		@EnabledSince(targetSdkVersion = Build.VERSION_CODES.UPSIDE_DOWN_CAKE)
		static final long THROW_ON_SECURITY_EXCEPTION = 237508058L;

		private float mWallpaperXStep = -1;
		private float mWallpaperYStep = -1;
		private static final @NonNull RectF LOCAL_COLOR_BOUNDS =
		@@ -585,7 +612,8 @@ public class WallpaperManager {
		}
		}
		synchronized (this) {
		if (mCachedWallpaper != null && mCachedWallpaper.isValid(userId, which)) {
		if (mCachedWallpaper != null && mCachedWallpaper.isValid(userId, which) && context
		.checkSelfPermission(READ_WALLPAPER_INTERNAL) == PERMISSION_GRANTED) {
		return mCachedWallpaper.mCachedWallpaper;
		}
		mCachedWallpaper = null;
		@@ -596,6 +624,19 @@ public class WallpaperManager {
		} catch (OutOfMemoryError e) {
		Log.w(TAG, "Out of memory loading the current wallpaper: " + e);
		} catch (SecurityException e) {
		/*
		* Apps with target SDK <= S can still access the wallpaper through
		* READ_EXTERNAL_STORAGE. In T however, app that previously had access to the
		* wallpaper via READ_EXTERNAL_STORAGE will get a SecurityException here.
		* Thus, in T specifically, return the default wallpaper instead of crashing.
		*/
		if (CompatChanges.isChangeEnabled(RETURN_DEFAULT_ON_SECURITY_EXCEPTION)
		&& !CompatChanges.isChangeEnabled(THROW_ON_SECURITY_EXCEPTION)) {
		Log.w(TAG, "No permission to access wallpaper, returning default"
		+ " wallpaper to avoid crashing legacy app.");
		return getDefaultWallpaper(context, FLAG_SYSTEM);
		}

		if (context.getApplicationInfo().targetSdkVersion < Build.VERSION_CODES.O_MR1) {
		Log.w(TAG, "No permission to access wallpaper, suppressing"
		+ " exception to avoid crashing legacy app.");
		@@ -808,6 +849,18 @@ public class WallpaperManager {
		}

		/**
		* <strong> Important note: </strong>
		* <ul>
		* <li>Up to version S, this method requires the
		* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} permission.</li>
		* <li>Starting in T, directly accessing the wallpaper is not possible anymore,
		* instead the default system wallpaper is returned
		* (some versions of T may throw a {@code SecurityException}).</li>
		* <li>From version U, this method should not be used
		* and will always throw a @code SecurityException}.</li>
		* </ul>
		* <br>
		*
		* Retrieve the current system wallpaper; if
		* no wallpaper is set, the system built-in static wallpaper is returned.
		* This is returned as an
		@@ -821,14 +874,28 @@ public class WallpaperManager {
		* @return Returns a Drawable object that will draw the system wallpaper,
		* or {@code null} if no system wallpaper exists or if the calling application
		* is not able to access the wallpaper.
		*
		* @throws SecurityException as described in the note
		*/
		@RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE)
		@Nullable
		@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
		public Drawable getDrawable() {
		return getDrawable(FLAG_SYSTEM);
		}

		/**
		* <strong> Important note: </strong>
		* <ul>
		* <li>Up to version S, this method requires the
		* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} permission.</li>
		* <li>Starting in T, directly accessing the wallpaper is not possible anymore,
		* instead the default system wallpaper is returned
		* (some versions of T may throw a {@code SecurityException}).</li>
		* <li>From version U, this method should not be used
		* and will always throw a @code SecurityException}.</li>
		* </ul>
		* <br>
		*
		* Retrieve the requested wallpaper; if
		* no wallpaper is set, the requested built-in static wallpaper is returned.
		* This is returned as an
		@@ -844,9 +911,11 @@ public class WallpaperManager {
		* @return Returns a Drawable object that will draw the requested wallpaper,
		* or {@code null} if the requested wallpaper does not exist or if the calling application
		* is not able to access the wallpaper.
		*
		* @throws SecurityException as described in the note
		*/
		@RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE)
		@Nullable
		@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
		public Drawable getDrawable(@SetWallpaperFlags int which) {
		final ColorManagementProxy cmProxy = getColorManagementProxy();
		Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, true, which, cmProxy);
		@@ -1069,6 +1138,18 @@ public class WallpaperManager {
		}

		/**
		* <strong> Important note: </strong>
		* <ul>
		* <li>Up to version S, this method requires the
		* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} permission.</li>
		* <li>Starting in T, directly accessing the wallpaper is not possible anymore,
		* instead the default system wallpaper is returned
		* (some versions of T may throw a {@code SecurityException}).</li>
		* <li>From version U, this method should not be used
		* and will always throw a @code SecurityException}.</li>
		* </ul>
		* <br>
		*
		* Retrieve the current system wallpaper; if there is no wallpaper set,
		* a null pointer is returned. This is returned as an
		* abstract Drawable that you can install in a View to display whatever
		@@ -1076,13 +1157,28 @@ public class WallpaperManager {
		*
		* @return Returns a Drawable object that will draw the wallpaper or a
		* null pointer if wallpaper is unset.
		*
		* @throws SecurityException as described in the note
		*/
		@Nullable
		@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
		public Drawable peekDrawable() {
		return peekDrawable(FLAG_SYSTEM);
		}

		/**
		* <strong> Important note: </strong>
		* <ul>
		* <li>Up to version S, this method requires the
		* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} permission.</li>
		* <li>Starting in T, directly accessing the wallpaper is not possible anymore,
		* instead the default system wallpaper is returned
		* (some versions of T may throw a {@code SecurityException}).</li>
		* <li>From version U, this method should not be used
		* and will always throw a @code SecurityException}.</li>
		* </ul>
		* <br>
		*
		* Retrieve the requested wallpaper; if there is no wallpaper set,
		* a null pointer is returned. This is returned as an
		* abstract Drawable that you can install in a View to display whatever
		@@ -1092,11 +1188,14 @@ public class WallpaperManager {
		* IllegalArgumentException if an invalid wallpaper is requested.
		* @return Returns a Drawable object that will draw the wallpaper or a null pointer if
		* wallpaper is unset.
		*
		* @throws SecurityException as described in the note
		*/
		@Nullable
		@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
		public Drawable peekDrawable(@SetWallpaperFlags int which) {
		final ColorManagementProxy cmProxy = getColorManagementProxy();
		Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, false, which, cmProxy);
		Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, true, which, cmProxy);
		if (bm != null) {
		Drawable dr = new BitmapDrawable(mContext.getResources(), bm);
		dr.setDither(false);
		@@ -1106,6 +1205,18 @@ public class WallpaperManager {
		}

		/**
		* <strong> Important note: </strong>
		* <ul>
		* <li>Up to version S, this method requires the
		* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} permission.</li>
		* <li>Starting in T, directly accessing the wallpaper is not possible anymore,
		* instead the default wallpaper is returned
		* (some versions of T may throw a {@code SecurityException}).</li>
		* <li>From version U, this method should not be used
		* and will always throw a @code SecurityException}.</li>
		* </ul>
		* <br>
		*
		* Like {@link #getDrawable()}, but the returned Drawable has a number
		* of limitations to reduce its overhead as much as possible. It will
		* never scale the wallpaper (only centering it if the requested bounds
		@@ -1117,14 +1228,28 @@ public class WallpaperManager {
		* the same density as the screen (not in density compatibility mode).
		*
		* @return Returns a Drawable object that will draw the wallpaper.
		*
		* @throws SecurityException as described in the note
		*/
		@RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE)
		@Nullable
		@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
		public Drawable getFastDrawable() {
		return getFastDrawable(FLAG_SYSTEM);
		}

		/**
		* <strong> Important note: </strong>
		* <ul>
		* <li>Up to version S, this method requires the
		* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} permission.</li>
		* <li>Starting in T, directly accessing the wallpaper is not possible anymore,
		* instead the default system wallpaper is returned
		* (some versions of T may throw a {@code SecurityException}).</li>
		* <li>From version U, this method should not be used
		* and will always throw a @code SecurityException}.</li>
		* </ul>
		* <br>
		*
		* Like {@link #getDrawable(int)}, but the returned Drawable has a number
		* of limitations to reduce its overhead as much as possible. It will
		* never scale the wallpaper (only centering it if the requested bounds
		@@ -1138,9 +1263,11 @@ public class WallpaperManager {
		* @param which The {@code FLAG_*} identifier of a valid wallpaper type. Throws
		* IllegalArgumentException if an invalid wallpaper is requested.
		* @return Returns a Drawable object that will draw the wallpaper.
		*
		* @throws SecurityException as described in the note
		*/
		@RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE)
		@Nullable
		@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
		public Drawable getFastDrawable(@SetWallpaperFlags int which) {
		final ColorManagementProxy cmProxy = getColorManagementProxy();
		Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, true, which, cmProxy);
		@@ -1151,19 +1278,45 @@ public class WallpaperManager {
		}

		/**
		* <strong> Important note: </strong>
		* <ul>
		* <li>Up to version S, this method requires the
		* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} permission.</li>
		* <li>Starting in T, directly accessing the wallpaper is not possible anymore,
		* instead the default system wallpaper is returned
		* (some versions of T may throw a {@code SecurityException}).</li>
		* <li>From version U, this method should not be used
		* and will always throw a @code SecurityException}.</li>
		* </ul>
		* <br>
		*
		* Like {@link #getFastDrawable()}, but if there is no wallpaper set,
		* a null pointer is returned.
		*
		* @return Returns an optimized Drawable object that will draw the
		* wallpaper or a null pointer if these is none.
		*
		* @throws SecurityException as described in the note
		*/
		@RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE)
		@Nullable
		@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
		public Drawable peekFastDrawable() {
		return peekFastDrawable(FLAG_SYSTEM);
		}

		/**
		* <strong> Important note: </strong>
		* <ul>
		* <li>Up to version S, this method requires the
		* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} permission.</li>
		* <li>Starting in T, directly accessing the wallpaper is not possible anymore,
		* instead the default system wallpaper is returned
		* (some versions of T may throw a {@code SecurityException}).</li>
		* <li>From version U, this method should not be used
		* and will always throw a @code SecurityException}.</li>
		* </ul>
		* <br>
		*
		* Like {@link #getFastDrawable()}, but if there is no wallpaper set,
		* a null pointer is returned.
		*
		@@ -1171,12 +1324,14 @@ public class WallpaperManager {
		* IllegalArgumentException if an invalid wallpaper is requested.
		* @return Returns an optimized Drawable object that will draw the
		* wallpaper or a null pointer if these is none.
		*
		* @throws SecurityException as described in the note
		*/
		@RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE)
		@Nullable
		@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
		public Drawable peekFastDrawable(@SetWallpaperFlags int which) {
		final ColorManagementProxy cmProxy = getColorManagementProxy();
		Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, false, which, cmProxy);
		Bitmap bm = sGlobals.peekWallpaperBitmap(mContext, true, which, cmProxy);
		if (bm != null) {
		return new FastBitmapDrawable(bm);
		}
		@@ -1194,7 +1349,6 @@ public class WallpaperManager {
		* @hide
		*/
		@TestApi
		@RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE)
		public boolean wallpaperSupportsWcg(int which) {
		if (!shouldEnableWideColorGamut()) {
		return false;
		@@ -1295,6 +1449,18 @@ public class WallpaperManager {
		}

		/**
		* <strong> Important note: </strong>
		* <ul>
		* <li>Up to version S, this method requires the
		* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} permission.</li>
		* <li>Starting in T, directly accessing the wallpaper is not possible anymore,
		* instead the default system wallpaper is returned
		* (some versions of T may throw a {@code SecurityException}).</li>
		* <li>From version U, this method should not be used
		* and will always throw a @code SecurityException}.</li>
		* </ul>
		* <br>
		*
		* Get an open, readable file descriptor to the given wallpaper image file.
		* The caller is responsible for closing the file descriptor when done ingesting the file.
		*
		@@ -1305,14 +1471,17 @@ public class WallpaperManager {
		* @param which The wallpaper whose image file is to be retrieved. Must be a single
		* defined kind of wallpaper, either {@link #FLAG_SYSTEM} or
		* {@link #FLAG_LOCK}.
		* @return An open, readable file desriptor to the requested wallpaper image file;
		* @return An open, readable file descriptor to the requested wallpaper image file;
		* or {@code null} if no such wallpaper is configured or if the calling app does
		* not have permission to read the current wallpaper.
		*
		* @see #FLAG_LOCK
		* @see #FLAG_SYSTEM
		*
		* @throws SecurityException as described in the note
		*/
		@RequiresPermission(android.Manifest.permission.READ_EXTERNAL_STORAGE)
		@Nullable
		@RequiresPermission(anyOf = {MANAGE_EXTERNAL_STORAGE, READ_WALLPAPER_INTERNAL})
		public ParcelFileDescriptor getWallpaperFile(@SetWallpaperFlags int which) {
		return getWallpaperFile(which, mContext.getUserId());
		}
		@@ -1475,13 +1644,18 @@ public class WallpaperManager {
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		} catch (SecurityException e) {
		if (CompatChanges.isChangeEnabled(RETURN_DEFAULT_ON_SECURITY_EXCEPTION)
		&& !CompatChanges.isChangeEnabled(THROW_ON_SECURITY_EXCEPTION)) {
		Log.w(TAG, "No permission to access wallpaper, returning default"
		+ " wallpaper file to avoid crashing legacy app.");
		return getDefaultSystemWallpaperFile();
		}
		if (mContext.getApplicationInfo().targetSdkVersion < Build.VERSION_CODES.O_MR1) {
		Log.w(TAG, "No permission to access wallpaper, suppressing"
		+ " exception to avoid crashing legacy app.");
		return null;
		} else {
		throw e;
		}
		throw e;
		}
		}
		}
		@@ -2586,6 +2760,24 @@ public class WallpaperManager {
		return null;
		}

		/**
		* util used in T to return a default system wallpaper file
		* when third party apps attempt to read the wallpaper with {@link #getWallpaperFile}
		*/
		private static ParcelFileDescriptor getDefaultSystemWallpaperFile() {
		for (String path: getDefaultSystemWallpaperPaths()) {
		File file = new File(path);
		if (file.exists()) {
		try {
		return ParcelFileDescriptor.open(file, MODE_READ_ONLY);
		} catch (FileNotFoundException e) {
		// continue; default wallpaper file not found on this path
		}
		}
		}
		return null;
		}

		private static InputStream getWallpaperInputStream(String path) {
		if (!TextUtils.isEmpty(path)) {
		final File file = new File(path);
		@@ -2600,6 +2792,14 @@ public class WallpaperManager {
		return null;
		}

		/**
		* @return a list of paths to the system default wallpapers, in order of priority:
		* if the file exists for the first path of this list, the first path should be used.
		*/
		private static List<String> getDefaultSystemWallpaperPaths() {
		return List.of(SystemProperties.get(PROP_WALLPAPER), getCmfWallpaperPath());
		}

		private static String getCmfWallpaperPath() {
		return Environment.getProductDirectory() + WALLPAPER_CMF_PATH + "default_wallpaper_"
		+ VALUE_CMF_COLOR;

core/res/AndroidManifest.xml

+1 −2

Original line number	Diff line number	Diff line
		@@ -4038,8 +4038,7 @@
		android:description="@string/permdesc_setWallpaperHints"
		android:protectionLevel="normal" />

		<!-- Allow the app to read the system wallpaper image without
		holding the READ_EXTERNAL_STORAGE permission.
		<!-- Allow the app to read the system and lock wallpaper images.
		<p>Not for use by third-party applications.
		@hide
		@SystemApi

data/etc/com.android.systemui.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -51,6 +51,7 @@
		<permission name="android.permission.READ_NETWORK_USAGE_HISTORY"/>
		<permission name="android.permission.READ_PRIVILEGED_PHONE_STATE"/>
		<permission name="android.permission.READ_PRECISE_PHONE_STATE"/>
		<permission name="android.permission.READ_WALLPAPER_INTERNAL"/>
		<permission name="android.permission.REAL_GET_TASKS"/>
		<permission name="android.permission.REQUEST_NETWORK_SCORES"/>
		<permission name="android.permission.RECEIVE_MEDIA_RESOURCE_USAGE"/>