Merge "Add ResourceLoader API with .apk and .arsc support" (8e4f087c) · Commits · e / os / android_frameworks_base

api/current.txt

+32 −0

Original line number	Diff line number	Diff line
		@@ -12402,6 +12402,8 @@ package android.content.res {

		public class Resources {
		ctor @Deprecated public Resources(android.content.res.AssetManager, android.util.DisplayMetrics, android.content.res.Configuration);
		method public void addLoader(@NonNull android.content.res.loader.ResourceLoader, @NonNull android.content.res.loader.ResourcesProvider, @IntRange(from=0) int);
		method public int addLoader(@NonNull android.content.res.loader.ResourceLoader, @NonNull android.content.res.loader.ResourcesProvider);
		method public final void finishPreloading();
		method public final void flushLayoutCache();
		method @NonNull public android.content.res.XmlResourceParser getAnimation(@AnimatorRes @AnimRes int) throws android.content.res.Resources.NotFoundException;
		@@ -12428,6 +12430,7 @@ package android.content.res {
		method @NonNull public int[] getIntArray(@ArrayRes int) throws android.content.res.Resources.NotFoundException;
		method public int getInteger(@IntegerRes int) throws android.content.res.Resources.NotFoundException;
		method @NonNull public android.content.res.XmlResourceParser getLayout(@LayoutRes int) throws android.content.res.Resources.NotFoundException;
		method @NonNull public java.util.List<android.util.Pair<android.content.res.loader.ResourceLoader,android.content.res.loader.ResourcesProvider>> getLoaders();
		method @Deprecated public android.graphics.Movie getMovie(@RawRes int) throws android.content.res.Resources.NotFoundException;
		method @NonNull public String getQuantityString(@PluralsRes int, int, java.lang.Object...) throws android.content.res.Resources.NotFoundException;
		method @NonNull public String getQuantityString(@PluralsRes int, int) throws android.content.res.Resources.NotFoundException;
		@@ -12455,6 +12458,8 @@ package android.content.res {
		method public android.content.res.AssetFileDescriptor openRawResourceFd(@RawRes int) throws android.content.res.Resources.NotFoundException;
		method public void parseBundleExtra(String, android.util.AttributeSet, android.os.Bundle) throws org.xmlpull.v1.XmlPullParserException;
		method public void parseBundleExtras(android.content.res.XmlResourceParser, android.os.Bundle) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
		method public int removeLoader(@NonNull android.content.res.loader.ResourceLoader);
		method public void setLoaders(@Nullable java.util.List<android.util.Pair<android.content.res.loader.ResourceLoader,android.content.res.loader.ResourcesProvider>>);
		method @Deprecated public void updateConfiguration(android.content.res.Configuration, android.util.DisplayMetrics);
		field @AnyRes public static final int ID_NULL = 0; // 0x0
		}
		@@ -12522,6 +12527,33 @@ package android.content.res {

		}

		package android.content.res.loader {

		public class DirectoryResourceLoader implements android.content.res.loader.ResourceLoader {
		ctor public DirectoryResourceLoader(@NonNull java.io.File);
		method @Nullable public java.io.File findFile(@NonNull String);
		method @NonNull public java.io.File getDirectory();
		}

		public interface ResourceLoader {
		method @Nullable public default java.io.InputStream loadAsset(@NonNull String, int) throws java.io.IOException;
		method @Nullable public default android.os.ParcelFileDescriptor loadAssetFd(@NonNull String) throws java.io.IOException;
		method @Nullable public default android.graphics.drawable.Drawable loadDrawable(@NonNull android.util.TypedValue, int, int, @Nullable android.content.res.Resources.Theme);
		method @Nullable public default android.content.res.XmlResourceParser loadXmlResourceParser(@NonNull String, @AnyRes int);
		}

		public final class ResourcesProvider implements java.lang.AutoCloseable java.io.Closeable {
		method public void close();
		method @NonNull public static android.content.res.loader.ResourcesProvider empty();
		method @NonNull public static android.content.res.loader.ResourcesProvider loadFromApk(@NonNull android.os.ParcelFileDescriptor) throws java.io.IOException;
		method @NonNull public static android.content.res.loader.ResourcesProvider loadFromApk(@NonNull android.os.SharedMemory) throws java.io.IOException;
		method @NonNull public static android.content.res.loader.ResourcesProvider loadFromArsc(@NonNull android.os.ParcelFileDescriptor) throws java.io.IOException;
		method @NonNull public static android.content.res.loader.ResourcesProvider loadFromArsc(@NonNull android.os.SharedMemory) throws java.io.IOException;
		method @NonNull public static android.content.res.loader.ResourcesProvider loadFromSplit(@NonNull android.content.Context, @NonNull String) throws java.io.IOException;
		}

		}

		package android.database {

		public abstract class AbstractCursor implements android.database.CrossProcessCursor {

api/test-current.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -788,7 +788,9 @@ package android.content.res {

		public final class AssetManager implements java.lang.AutoCloseable {
		method @NonNull public String[] getApkPaths();
		method @Nullable public String getLastResourceResolution();
		method @Nullable public String getOverlayablesToString(String);
		method public void setResourceResolutionLoggingEnabled(boolean);
		}

		public final class Configuration implements java.lang.Comparable<android.content.res.Configuration> android.os.Parcelable {

core/java/android/app/ResourcesManager.java

+496 −197

File changed.

Preview size limit exceeded, changes collapsed.

core/java/android/content/res/ApkAssets.java

+109 −13

Original line number	Diff line number	Diff line
		@@ -16,7 +16,10 @@
		package android.content.res;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.annotation.UnsupportedAppUsage;
		import android.content.res.loader.ResourcesProvider;
		import android.text.TextUtils;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.util.Preconditions;
		@@ -36,10 +39,14 @@ import java.io.IOException;
		*/
		public final class ApkAssets {
		@GuardedBy("this") private final long mNativePtr;

		@Nullable
		@GuardedBy("this") private final StringBlock mStringBlock;

		@GuardedBy("this") private boolean mOpen = true;

		private final boolean mForLoader;

		/**
		* Creates a new ApkAssets instance from the given path on disk.
		*
		@@ -48,7 +55,8 @@ public final class ApkAssets {
		* @throws IOException if a disk I/O error or parsing error occurred.
		*/
		public static @NonNull ApkAssets loadFromPath(@NonNull String path) throws IOException {
		return new ApkAssets(path, false /system/, false /forceSharedLib/, false /overlay/);
		return new ApkAssets(path, false /system/, false /forceSharedLib/, false /overlay/,
		false /arscOnly/, false /forLoader/);
		}

		/**
		@@ -61,7 +69,8 @@ public final class ApkAssets {
		*/
		public static @NonNull ApkAssets loadFromPath(@NonNull String path, boolean system)
		throws IOException {
		return new ApkAssets(path, system, false /forceSharedLib/, false /overlay/);
		return new ApkAssets(path, system, false /forceSharedLib/, false /overlay/,
		false /arscOnly/, false /forLoader/);
		}

		/**
		@@ -76,7 +85,8 @@ public final class ApkAssets {
		*/
		public static @NonNull ApkAssets loadFromPath(@NonNull String path, boolean system,
		boolean forceSharedLibrary) throws IOException {
		return new ApkAssets(path, system, forceSharedLibrary, false /overlay/);
		return new ApkAssets(path, system, forceSharedLibrary, false /overlay/,
		false /arscOnly/, false /forLoader/);
		}

		/**
		@@ -96,7 +106,8 @@ public final class ApkAssets {
		public static @NonNull ApkAssets loadFromFd(@NonNull FileDescriptor fd,
		@NonNull String friendlyName, boolean system, boolean forceSharedLibrary)
		throws IOException {
		return new ApkAssets(fd, friendlyName, system, forceSharedLibrary);
		return new ApkAssets(fd, friendlyName, system, forceSharedLibrary, false /arscOnly/,
		false /forLoader/);
		}

		/**
		@@ -110,21 +121,90 @@ public final class ApkAssets {
		*/
		public static @NonNull ApkAssets loadOverlayFromPath(@NonNull String idmapPath, boolean system)
		throws IOException {
		return new ApkAssets(idmapPath, system, false /forceSharedLibrary/, true /overlay/);
		return new ApkAssets(idmapPath, system, false /forceSharedLibrary/, true /overlay/,
		false /arscOnly/, false /forLoader/);
		}

		/**
		* Creates a new ApkAssets instance from the given path on disk for use with a
		* {@link ResourcesProvider}.
		*
		* @param path The path to an APK on disk.
		* @return a new instance of ApkAssets.
		* @throws IOException if a disk I/O error or parsing error occurred.
		*/
		public static @NonNull ApkAssets loadApkForLoader(@NonNull String path)
		throws IOException {
		return new ApkAssets(path, false /system/, false /forceSharedLibrary/,
		false /overlay/, false /arscOnly/, true /forLoader/);
		}

		/**
		* Creates a new ApkAssets instance from the given file descriptor for use with a
		* {@link ResourcesProvider}.
		*
		* Performs a dup of the underlying fd, so you must take care of still closing
		* the FileDescriptor yourself (and can do that whenever you want).
		*
		* @param fd The FileDescriptor of an open, readable APK.
		* @return a new instance of ApkAssets.
		* @throws IOException if a disk I/O error or parsing error occurred.
		*/
		@NonNull
		public static ApkAssets loadApkForLoader(@NonNull FileDescriptor fd) throws IOException {
		return new ApkAssets(fd, TextUtils.emptyIfNull(fd.toString()),
		false /system/, false /forceSharedLib/, false /arscOnly/, true /forLoader/);
		}

		private ApkAssets(@NonNull String path, boolean system, boolean forceSharedLib, boolean overlay)
		/**
		* Creates a new ApkAssets instance from the given file descriptor representing an ARSC
		* for use with a {@link ResourcesProvider}.
		*
		* Performs a dup of the underlying fd, so you must take care of still closing
		* the FileDescriptor yourself (and can do that whenever you want).
		*
		* @param fd The FileDescriptor of an open, readable .arsc.
		* @return a new instance of ApkAssets.
		* @throws IOException if a disk I/O error or parsing error occurred.
		*/
		public static @NonNull ApkAssets loadArscForLoader(@NonNull FileDescriptor fd)
		throws IOException {
		return new ApkAssets(fd, TextUtils.emptyIfNull(fd.toString()),
		false /system/, false /forceSharedLib/, true /arscOnly/, true /forLoader/);
		}

		/**
		* Generates an entirely empty ApkAssets. Needed because the ApkAssets instance and presence
		* is required for a lot of APIs, and it's easier to have a non-null reference rather than
		* tracking a separate identifier.
		*/
		@NonNull
		public static ApkAssets loadEmptyForLoader() {
		return new ApkAssets(true);
		}

		private ApkAssets(boolean forLoader) {
		mForLoader = forLoader;
		mNativePtr = nativeLoadEmpty(forLoader);
		mStringBlock = null;
		}

		private ApkAssets(@NonNull String path, boolean system, boolean forceSharedLib, boolean overlay,
		boolean arscOnly, boolean forLoader) throws IOException {
		mForLoader = forLoader;
		Preconditions.checkNotNull(path, "path");
		mNativePtr = nativeLoad(path, system, forceSharedLib, overlay);
		mNativePtr = arscOnly ? nativeLoadArsc(path, forLoader)
		: nativeLoad(path, system, forceSharedLib, overlay, forLoader);
		mStringBlock = new StringBlock(nativeGetStringBlock(mNativePtr), true /useSparse/);
		}

		private ApkAssets(@NonNull FileDescriptor fd, @NonNull String friendlyName, boolean system,
		boolean forceSharedLib) throws IOException {
		boolean forceSharedLib, boolean arscOnly, boolean forLoader) throws IOException {
		mForLoader = forLoader;
		Preconditions.checkNotNull(fd, "fd");
		Preconditions.checkNotNull(friendlyName, "friendlyName");
		mNativePtr = nativeLoadFromFd(fd, friendlyName, system, forceSharedLib);
		mNativePtr = arscOnly ? nativeLoadArscFromFd(fd, friendlyName, forLoader)
		: nativeLoadFromFd(fd, friendlyName, system, forceSharedLib, forLoader);
		mStringBlock = new StringBlock(nativeGetStringBlock(mNativePtr), true /useSparse/);
		}

		@@ -136,11 +216,19 @@ public final class ApkAssets {
		}

		CharSequence getStringFromPool(int idx) {
		if (mStringBlock == null) {
		return null;
		}

		synchronized (this) {
		return mStringBlock.get(idx);
		}
		}

		public boolean isForLoader() {
		return mForLoader;
		}

		/**
		* Retrieve a parser for a compiled XML file. This is associated with a single APK and
		* <em>NOT</em> a full AssetManager. This means that shared-library references will not be
		@@ -192,18 +280,26 @@ public final class ApkAssets {
		synchronized (this) {
		if (mOpen) {
		mOpen = false;
		if (mStringBlock != null) {
		mStringBlock.close();
		}
		nativeDestroy(mNativePtr);
		}
		}
		}

		private static native long nativeLoad(
		@NonNull String path, boolean system, boolean forceSharedLib, boolean overlay)
		private static native long nativeLoad(@NonNull String path, boolean system,
		boolean forceSharedLib, boolean overlay, boolean forLoader)
		throws IOException;
		private static native long nativeLoadFromFd(@NonNull FileDescriptor fd,
		@NonNull String friendlyName, boolean system, boolean forceSharedLib)
		@NonNull String friendlyName, boolean system, boolean forceSharedLib,
		boolean forLoader)
		throws IOException;
		private static native long nativeLoadArsc(@NonNull String path, boolean forLoader)
		throws IOException;
		private static native long nativeLoadArscFromFd(@NonNull FileDescriptor fd,
		@NonNull String friendlyName, boolean forLoader) throws IOException;
		private static native long nativeLoadEmpty(boolean forLoader);
		private static native void nativeDestroy(long ptr);
		private static native @NonNull String nativeGetAssetPath(long ptr);
		private static native long nativeGetStringBlock(long ptr);

core/java/android/content/res/AssetManager.java

+139 −6

Original line number	Diff line number	Diff line
		@@ -27,9 +27,13 @@ import android.annotation.TestApi;
		import android.annotation.UnsupportedAppUsage;
		import android.content.pm.ActivityInfo;
		import android.content.res.Configuration.NativeConfig;
		import android.content.res.loader.ResourceLoader;
		import android.content.res.loader.ResourceLoaderManager;
		import android.content.res.loader.ResourcesProvider;
		import android.os.ParcelFileDescriptor;
		import android.util.ArraySet;
		import android.util.Log;
		import android.util.Pair;
		import android.util.SparseArray;
		import android.util.TypedValue;

		@@ -39,15 +43,19 @@ import com.android.internal.util.Preconditions;
		import libcore.io.IoUtils;

		import java.io.BufferedReader;
		import java.io.FileDescriptor;
		import java.io.FileInputStream;
		import java.io.FileNotFoundException;
		import java.io.IOException;
		import java.io.InputStream;
		import java.io.InputStreamReader;
		import java.nio.channels.FileLock;
		import java.nio.file.Paths;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Locale;
		import java.util.Map;

		/**
		@@ -110,6 +118,13 @@ public final class AssetManager implements AutoCloseable {
		@GuardedBy("this") private int mNumRefs = 1;
		@GuardedBy("this") private HashMap<Long, RuntimeException> mRefStacks;

		private ResourceLoaderManager mResourceLoaderManager;

		/** @hide */
		public void setResourceLoaderManager(ResourceLoaderManager resourceLoaderManager) {
		mResourceLoaderManager = resourceLoaderManager;
		}

		/**
		* A Builder class that helps create an AssetManager with only a single invocation of
		* {@link AssetManager#setApkAssets(ApkAssets[], boolean)}. Without using this builder,
		@@ -507,7 +522,7 @@ public final class AssetManager implements AutoCloseable {
		outValue.changingConfigurations);

		if (outValue.type == TypedValue.TYPE_STRING) {
		outValue.string = mApkAssets[cookie - 1].getStringFromPool(outValue.data);
		outValue.string = getPooledStringForCookie(cookie, outValue.data);
		}
		return true;
		}
		@@ -554,7 +569,7 @@ public final class AssetManager implements AutoCloseable {
		outValue.changingConfigurations);

		if (outValue.type == TypedValue.TYPE_STRING) {
		return mApkAssets[cookie - 1].getStringFromPool(outValue.data);
		return getPooledStringForCookie(cookie, outValue.data);
		}
		return outValue.coerceToString();
		}
		@@ -632,7 +647,7 @@ public final class AssetManager implements AutoCloseable {
		int cookie = rawInfoArray[i];
		int index = rawInfoArray[i + 1];
		retArray[j] = (index >= 0 && cookie > 0)
		? mApkAssets[cookie - 1].getStringFromPool(index) : null;
		? getPooledStringForCookie(cookie, index) : null;
		}
		return retArray;
		}
		@@ -688,7 +703,7 @@ public final class AssetManager implements AutoCloseable {
		outValue.changingConfigurations);

		if (outValue.type == TypedValue.TYPE_STRING) {
		outValue.string = mApkAssets[cookie - 1].getStringFromPool(outValue.data);
		outValue.string = getPooledStringForCookie(cookie, outValue.data);
		}
		return true;
		}
		@@ -753,6 +768,7 @@ public final class AssetManager implements AutoCloseable {
		*
		* @hide
		*/
		@TestApi
		public void setResourceResolutionLoggingEnabled(boolean enabled) {
		synchronized (this) {
		ensureValidLocked();
		@@ -768,6 +784,7 @@ public final class AssetManager implements AutoCloseable {
		*
		* @hide
		*/
		@TestApi
		public @Nullable String getLastResourceResolution() {
		synchronized (this) {
		ensureValidLocked();
		@@ -814,6 +831,13 @@ public final class AssetManager implements AutoCloseable {
		Preconditions.checkNotNull(fileName, "fileName");
		synchronized (this) {
		ensureOpenLocked();

		String path = Paths.get("assets", fileName).toString();
		InputStream inputStream = searchLoaders(0, path, accessMode);
		if (inputStream != null) {
		return inputStream;
		}

		final long asset = nativeOpenAsset(mObject, fileName, accessMode);
		if (asset == 0) {
		throw new FileNotFoundException("Asset file: " + fileName);
		@@ -838,6 +862,13 @@ public final class AssetManager implements AutoCloseable {
		Preconditions.checkNotNull(fileName, "fileName");
		synchronized (this) {
		ensureOpenLocked();

		String path = Paths.get("assets", fileName).toString();
		AssetFileDescriptor fileDescriptor = searchLoadersFd(0, path);
		if (fileDescriptor != null) {
		return fileDescriptor;
		}

		final ParcelFileDescriptor pfd = nativeOpenAssetFd(mObject, fileName, mOffsets);
		if (pfd == null) {
		throw new FileNotFoundException("Asset file: " + fileName);
		@@ -931,6 +962,12 @@ public final class AssetManager implements AutoCloseable {
		Preconditions.checkNotNull(fileName, "fileName");
		synchronized (this) {
		ensureOpenLocked();

		InputStream inputStream = searchLoaders(cookie, fileName, accessMode);
		if (inputStream != null) {
		return inputStream;
		}

		final long asset = nativeOpenNonAsset(mObject, cookie, fileName, accessMode);
		if (asset == 0) {
		throw new FileNotFoundException("Asset absolute file: " + fileName);
		@@ -970,6 +1007,12 @@ public final class AssetManager implements AutoCloseable {
		Preconditions.checkNotNull(fileName, "fileName");
		synchronized (this) {
		ensureOpenLocked();

		AssetFileDescriptor fileDescriptor = searchLoadersFd(cookie, fileName);
		if (fileDescriptor != null) {
		return fileDescriptor;
		}

		final ParcelFileDescriptor pfd =
		nativeOpenNonAssetFd(mObject, cookie, fileName, mOffsets);
		if (pfd == null) {
		@@ -1031,7 +1074,16 @@ public final class AssetManager implements AutoCloseable {
		Preconditions.checkNotNull(fileName, "fileName");
		synchronized (this) {
		ensureOpenLocked();
		final long xmlBlock = nativeOpenXmlAsset(mObject, cookie, fileName);

		final long xmlBlock;
		AssetFileDescriptor fileDescriptor = searchLoadersFd(cookie, fileName);
		if (fileDescriptor != null) {
		xmlBlock = nativeOpenXmlAssetFd(mObject, cookie,
		fileDescriptor.getFileDescriptor());
		} else {
		xmlBlock = nativeOpenXmlAsset(mObject, cookie, fileName);
		}

		if (xmlBlock == 0) {
		throw new FileNotFoundException("Asset XML file: " + fileName);
		}
		@@ -1041,6 +1093,85 @@ public final class AssetManager implements AutoCloseable {
		}
		}

		private InputStream searchLoaders(int cookie, @NonNull String fileName, int accessMode)
		throws IOException {
		if (mResourceLoaderManager == null) {
		return null;
		}

		List<Pair<ResourceLoader, ResourcesProvider>> loaders =
		mResourceLoaderManager.getInternalList();

		// A cookie of 0 means no specific ApkAssets, so search everything
		if (cookie == 0) {
		for (int index = loaders.size() - 1; index >= 0; index--) {
		Pair<ResourceLoader, ResourcesProvider> pair = loaders.get(index);
		try {
		InputStream inputStream = pair.first.loadAsset(fileName, accessMode);
		if (inputStream != null) {
		return inputStream;
		}
		} catch (IOException ignored) {
		// When searching, ignore read failures
		}
		}

		return null;
		}

		ApkAssets apkAssets = mApkAssets[cookie - 1];
		for (int index = loaders.size() - 1; index >= 0; index--) {
		Pair<ResourceLoader, ResourcesProvider> pair = loaders.get(index);
		if (pair.second.getApkAssets() == apkAssets) {
		return pair.first.loadAsset(fileName, accessMode);
		}
		}

		return null;
		}

		private AssetFileDescriptor searchLoadersFd(int cookie, @NonNull String fileName)
		throws IOException {
		if (mResourceLoaderManager == null) {
		return null;
		}

		List<Pair<ResourceLoader, ResourcesProvider>> loaders =
		mResourceLoaderManager.getInternalList();

		// A cookie of 0 means no specific ApkAssets, so search everything
		if (cookie == 0) {
		for (int index = loaders.size() - 1; index >= 0; index--) {
		Pair<ResourceLoader, ResourcesProvider> pair = loaders.get(index);
		try {
		ParcelFileDescriptor fileDescriptor = pair.first.loadAssetFd(fileName);
		if (fileDescriptor != null) {
		return new AssetFileDescriptor(fileDescriptor, 0,
		AssetFileDescriptor.UNKNOWN_LENGTH);
		}
		} catch (IOException ignored) {
		// When searching, ignore read failures
		}
		}

		return null;
		}

		ApkAssets apkAssets = mApkAssets[cookie - 1];
		for (int index = loaders.size() - 1; index >= 0; index--) {
		Pair<ResourceLoader, ResourcesProvider> pair = loaders.get(index);
		if (pair.second.getApkAssets() == apkAssets) {
		ParcelFileDescriptor fileDescriptor = pair.first.loadAssetFd(fileName);
		if (fileDescriptor != null) {
		return new AssetFileDescriptor(fileDescriptor, 0,
		AssetFileDescriptor.UNKNOWN_LENGTH);
		}
		return null;
		}
		}
		return null;
		}

		void xmlBlockGone(int id) {
		synchronized (this) {
		decRefsLocked(id);
		@@ -1296,7 +1427,7 @@ public final class AssetManager implements AutoCloseable {
		*
		* <p>On SDK 21 (Android 5.0: Lollipop) and above, Locale strings are valid
		* <a href="https://tools.ietf.org/html/bcp47">BCP-47</a> language tags and can be
		* parsed using {@link java.util.Locale#forLanguageTag(String)}.
		* parsed using {@link Locale#forLanguageTag(String)}.
		*
		* <p>On SDK 20 (Android 4.4W: Kitkat for watches) and below, locale strings
		* are of the form {@code ll_CC} where {@code ll} is a two letter language code,
		@@ -1439,6 +1570,8 @@ public final class AssetManager implements AutoCloseable {
		private static native @Nullable ParcelFileDescriptor nativeOpenNonAssetFd(long ptr, int cookie,
		@NonNull String fileName, @NonNull long[] outOffsets) throws IOException;
		private static native long nativeOpenXmlAsset(long ptr, int cookie, @NonNull String fileName);
		private static native long nativeOpenXmlAssetFd(long ptr, int cookie,
		@NonNull FileDescriptor fileDescriptor);

		// Primitive resource native methods.
		private static native int nativeGetResourceValue(long ptr, @AnyRes int resId, short density,