Merge "Fixed application info null pointer exception." (8be2420b) · Commits · e / os / android_frameworks_base

api/system-current.txt

+14 −0

Original line number	Diff line number	Diff line
		@@ -1516,6 +1516,8 @@ package android.hardware.display {

		public final class BrightnessConfiguration implements android.os.Parcelable {
		method public int describeContents();
		method public android.hardware.display.BrightnessCorrection getCorrectionByCategory(int);
		method public android.hardware.display.BrightnessCorrection getCorrectionByPackageName(java.lang.String);
		method public android.util.Pair<float[], float[]> getCurve();
		method public void writeToParcel(android.os.Parcel, int);
		field public static final android.os.Parcelable.Creator<android.hardware.display.BrightnessConfiguration> CREATOR;
		@@ -1523,10 +1525,22 @@ package android.hardware.display {

		public static class BrightnessConfiguration.Builder {
		ctor public BrightnessConfiguration.Builder(float[], float[]);
		method public android.hardware.display.BrightnessConfiguration.Builder addCorrectionByCategory(int, android.hardware.display.BrightnessCorrection);
		method public android.hardware.display.BrightnessConfiguration.Builder addCorrectionByPackageName(java.lang.String, android.hardware.display.BrightnessCorrection);
		method public android.hardware.display.BrightnessConfiguration build();
		method public int getMaxCorrectionsByCategory();
		method public int getMaxCorrectionsByPackageName();
		method public android.hardware.display.BrightnessConfiguration.Builder setDescription(java.lang.String);
		}

		public final class BrightnessCorrection implements android.os.Parcelable {
		method public float apply(float);
		method public static android.hardware.display.BrightnessCorrection createScaleAndTranslateLog(float, float);
		method public int describeContents();
		method public void writeToParcel(android.os.Parcel, int);
		field public static final android.os.Parcelable.Creator<android.hardware.display.BrightnessCorrection> CREATOR;
		}

		public final class DisplayManager {
		method public java.util.List<android.hardware.display.AmbientBrightnessDayStats> getAmbientBrightnessStats();
		method public android.hardware.display.BrightnessConfiguration getBrightnessConfiguration();

core/java/android/hardware/display/BrightnessConfiguration.java

+325 −4

Original line number	Diff line number	Diff line
		@@ -19,26 +19,54 @@ package android.hardware.display;
		import android.annotation.Nullable;
		import android.annotation.SystemApi;
		import android.annotation.TestApi;
		import android.content.pm.ApplicationInfo;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.util.Pair;

		import com.android.internal.util.Preconditions;
		import com.android.internal.util.XmlUtils;

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

		import java.io.IOException;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Map;
		import java.util.Map.Entry;
		import java.util.Objects;

		/** @hide */
		@SystemApi
		@TestApi
		public final class BrightnessConfiguration implements Parcelable {
		private static final String TAG_BRIGHTNESS_CURVE = "brightness-curve";
		private static final String TAG_BRIGHTNESS_POINT = "brightness-point";
		private static final String TAG_BRIGHTNESS_CORRECTIONS = "brightness-corrections";
		private static final String TAG_BRIGHTNESS_CORRECTION = "brightness-correction";
		private static final String ATTR_LUX = "lux";
		private static final String ATTR_NITS = "nits";
		private static final String ATTR_DESCRIPTION = "description";
		private static final String ATTR_PACKAGE_NAME = "package-name";
		private static final String ATTR_CATEGORY = "category";

		private final float[] mLux;
		private final float[] mNits;
		private final Map<String, BrightnessCorrection> mCorrectionsByPackageName;
		private final Map<Integer, BrightnessCorrection> mCorrectionsByCategory;
		private final String mDescription;

		private BrightnessConfiguration(float[] lux, float[] nits, String description) {
		private BrightnessConfiguration(float[] lux, float[] nits,
		Map<String, BrightnessCorrection> correctionsByPackageName,
		Map<Integer, BrightnessCorrection> correctionsByCategory, String description) {
		mLux = lux;
		mNits = nits;
		mCorrectionsByPackageName = correctionsByPackageName;
		mCorrectionsByCategory = correctionsByCategory;
		mDescription = description;
		}

		@@ -55,6 +83,38 @@ public final class BrightnessConfiguration implements Parcelable {
		return Pair.create(Arrays.copyOf(mLux, mLux.length), Arrays.copyOf(mNits, mNits.length));
		}

		/**
		* Returns a brightness correction by app, or null.
		*
		* @param packageName
		* The app's package name.
		*
		* @return The matching brightness correction, or null.
		*
		* @hide
		*/
		@SystemApi
		@Nullable
		public BrightnessCorrection getCorrectionByPackageName(String packageName) {
		return mCorrectionsByPackageName.get(packageName);
		}

		/**
		* Returns a brightness correction by app category, or null.
		*
		* @param category
		* The app category.
		*
		* @return The matching brightness correction, or null.
		*
		* @hide
		*/
		@SystemApi
		@Nullable
		public BrightnessCorrection getCorrectionByCategory(int category) {
		return mCorrectionsByCategory.get(category);
		}

		/**
		* Returns description string.
		* @hide
		@@ -67,6 +127,20 @@ public final class BrightnessConfiguration implements Parcelable {
		public void writeToParcel(Parcel dest, int flags) {
		dest.writeFloatArray(mLux);
		dest.writeFloatArray(mNits);
		dest.writeInt(mCorrectionsByPackageName.size());
		for (Entry<String, BrightnessCorrection> entry : mCorrectionsByPackageName.entrySet()) {
		final String packageName = entry.getKey();
		final BrightnessCorrection correction = entry.getValue();
		dest.writeString(packageName);
		correction.writeToParcel(dest, flags);
		}
		dest.writeInt(mCorrectionsByCategory.size());
		for (Entry<Integer, BrightnessCorrection> entry : mCorrectionsByCategory.entrySet()) {
		final int category = entry.getKey();
		final BrightnessCorrection correction = entry.getValue();
		dest.writeInt(category);
		correction.writeToParcel(dest, flags);
		}
		dest.writeString(mDescription);
		}

		@@ -85,7 +159,14 @@ public final class BrightnessConfiguration implements Parcelable {
		}
		sb.append("(").append(mLux[i]).append(", ").append(mNits[i]).append(")");
		}
		sb.append("], '");
		sb.append("], {");
		for (Entry<String, BrightnessCorrection> entry : mCorrectionsByPackageName.entrySet()) {
		sb.append("'" + entry.getKey() + "': " + entry.getValue() + ", ");
		}
		for (Entry<Integer, BrightnessCorrection> entry : mCorrectionsByCategory.entrySet()) {
		sb.append(entry.getKey() + ": " + entry.getValue() + ", ");
		}
		sb.append("}, '");
		if (mDescription != null) {
		sb.append(mDescription);
		}
		@@ -98,6 +179,8 @@ public final class BrightnessConfiguration implements Parcelable {
		int result = 1;
		result = result * 31 + Arrays.hashCode(mLux);
		result = result * 31 + Arrays.hashCode(mNits);
		result = result * 31 + mCorrectionsByPackageName.hashCode();
		result = result * 31 + mCorrectionsByCategory.hashCode();
		if (mDescription != null) {
		result = result * 31 + mDescription.hashCode();
		}
		@@ -114,6 +197,8 @@ public final class BrightnessConfiguration implements Parcelable {
		}
		final BrightnessConfiguration other = (BrightnessConfiguration) o;
		return Arrays.equals(mLux, other.mLux) && Arrays.equals(mNits, other.mNits)
		&& mCorrectionsByPackageName.equals(other.mCorrectionsByPackageName)
		&& mCorrectionsByCategory.equals(other.mCorrectionsByCategory)
		&& Objects.equals(mDescription, other.mDescription);
		}

		@@ -123,7 +208,25 @@ public final class BrightnessConfiguration implements Parcelable {
		float[] lux = in.createFloatArray();
		float[] nits = in.createFloatArray();
		Builder builder = new Builder(lux, nits);
		builder.setDescription(in.readString());

		int n = in.readInt();
		for (int i = 0; i < n; i++) {
		final String packageName = in.readString();
		final BrightnessCorrection correction =
		BrightnessCorrection.CREATOR.createFromParcel(in);
		builder.addCorrectionByPackageName(packageName, correction);
		}

		n = in.readInt();
		for (int i = 0; i < n; i++) {
		final int category = in.readInt();
		final BrightnessCorrection correction =
		BrightnessCorrection.CREATOR.createFromParcel(in);
		builder.addCorrectionByCategory(category, correction);
		}

		final String description = in.readString();
		builder.setDescription(description);
		return builder.build();
		}

		@@ -132,12 +235,147 @@ public final class BrightnessConfiguration implements Parcelable {
		}
		};

		/**
		* Writes the configuration to an XML serializer.
		*
		* @param serializer
		* The XML serializer.
		*
		* @hide
		*/
		public void saveToXml(XmlSerializer serializer) throws IOException {
		serializer.startTag(null, TAG_BRIGHTNESS_CURVE);
		if (mDescription != null) {
		serializer.attribute(null, ATTR_DESCRIPTION, mDescription);
		}
		for (int i = 0; i < mLux.length; i++) {
		serializer.startTag(null, TAG_BRIGHTNESS_POINT);
		serializer.attribute(null, ATTR_LUX, Float.toString(mLux[i]));
		serializer.attribute(null, ATTR_NITS, Float.toString(mNits[i]));
		serializer.endTag(null, TAG_BRIGHTNESS_POINT);
		}
		serializer.endTag(null, TAG_BRIGHTNESS_CURVE);
		serializer.startTag(null, TAG_BRIGHTNESS_CORRECTIONS);
		for (Map.Entry<String, BrightnessCorrection> entry :
		mCorrectionsByPackageName.entrySet()) {
		final String packageName = entry.getKey();
		final BrightnessCorrection correction = entry.getValue();
		serializer.startTag(null, TAG_BRIGHTNESS_CORRECTION);
		serializer.attribute(null, ATTR_PACKAGE_NAME, packageName);
		correction.saveToXml(serializer);
		serializer.endTag(null, TAG_BRIGHTNESS_CORRECTION);
		}
		for (Map.Entry<Integer, BrightnessCorrection> entry : mCorrectionsByCategory.entrySet()) {
		final int category = entry.getKey();
		final BrightnessCorrection correction = entry.getValue();
		serializer.startTag(null, TAG_BRIGHTNESS_CORRECTION);
		serializer.attribute(null, ATTR_CATEGORY, Integer.toString(category));
		correction.saveToXml(serializer);
		serializer.endTag(null, TAG_BRIGHTNESS_CORRECTION);
		}
		serializer.endTag(null, TAG_BRIGHTNESS_CORRECTIONS);
		}

		/**
		* Read a configuration from an XML parser.
		*
		* @param parser
		* The XML parser.
		*
		* @throws IOException
		* The parser failed to read the XML file.
		* @throws XmlPullParserException
		* The parser failed to parse the XML file.
		*
		* @hide
		*/
		public static BrightnessConfiguration loadFromXml(XmlPullParser parser)
		throws IOException, XmlPullParserException {
		String description = null;
		List<Float> luxList = new ArrayList<>();
		List<Float> nitsList = new ArrayList<>();
		Map<String, BrightnessCorrection> correctionsByPackageName = new HashMap<>();
		Map<Integer, BrightnessCorrection> correctionsByCategory = new HashMap<>();
		final int configDepth = parser.getDepth();
		while (XmlUtils.nextElementWithin(parser, configDepth)) {
		if (TAG_BRIGHTNESS_CURVE.equals(parser.getName())) {
		description = parser.getAttributeValue(null, ATTR_DESCRIPTION);
		final int curveDepth = parser.getDepth();
		while (XmlUtils.nextElementWithin(parser, curveDepth)) {
		if (!TAG_BRIGHTNESS_POINT.equals(parser.getName())) {
		continue;
		}
		final float lux = loadFloatFromXml(parser, ATTR_LUX);
		final float nits = loadFloatFromXml(parser, ATTR_NITS);
		luxList.add(lux);
		nitsList.add(nits);
		}
		}
		if (TAG_BRIGHTNESS_CORRECTIONS.equals(parser.getName())) {
		final int correctionsDepth = parser.getDepth();
		while (XmlUtils.nextElementWithin(parser, correctionsDepth)) {
		if (!TAG_BRIGHTNESS_CORRECTION.equals(parser.getName())) {
		continue;
		}
		final String packageName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME);
		final String categoryText = parser.getAttributeValue(null, ATTR_CATEGORY);
		BrightnessCorrection correction = BrightnessCorrection.loadFromXml(parser);
		if (packageName != null) {
		correctionsByPackageName.put(packageName, correction);
		} else if (categoryText != null) {
		try {
		final int category = Integer.parseInt(categoryText);
		correctionsByCategory.put(category, correction);
		} catch (NullPointerException \| NumberFormatException e) {
		continue;
		}
		}
		}
		}
		}
		final int n = luxList.size();
		float[] lux = new float[n];
		float[] nits = new float[n];
		for (int i = 0; i < n; i++) {
		lux[i] = luxList.get(i);
		nits[i] = nitsList.get(i);
		}
		final BrightnessConfiguration.Builder builder = new BrightnessConfiguration.Builder(lux,
		nits);
		builder.setDescription(description);
		for (Map.Entry<String, BrightnessCorrection> entry : correctionsByPackageName.entrySet()) {
		final String packageName = entry.getKey();
		final BrightnessCorrection correction = entry.getValue();
		builder.addCorrectionByPackageName(packageName, correction);
		}
		for (Map.Entry<Integer, BrightnessCorrection> entry : correctionsByCategory.entrySet()) {
		final int category = entry.getKey();
		final BrightnessCorrection correction = entry.getValue();
		builder.addCorrectionByCategory(category, correction);
		}
		return builder.build();
		}

		private static float loadFloatFromXml(XmlPullParser parser, String attribute) {
		final String string = parser.getAttributeValue(null, attribute);
		try {
		return Float.parseFloat(string);
		} catch (NullPointerException \| NumberFormatException e) {
		return Float.NaN;
		}
		}

		/**
		* A builder class for {@link BrightnessConfiguration}s.
		*/
		public static class Builder {
		private static final int MAX_CORRECTIONS_BY_PACKAGE_NAME = 20;
		private static final int MAX_CORRECTIONS_BY_CATEGORY = 20;

		private float[] mCurveLux;
		private float[] mCurveNits;
		private Map<String, BrightnessCorrection> mCorrectionsByPackageName;
		private Map<Integer, BrightnessCorrection> mCorrectionsByCategory;
		private String mDescription;

		/**
		@@ -169,6 +407,88 @@ public final class BrightnessConfiguration implements Parcelable {
		checkMonotonic(nits, false /strictly increasing/, "nits");
		mCurveLux = lux;
		mCurveNits = nits;
		mCorrectionsByPackageName = new HashMap<>();
		mCorrectionsByCategory = new HashMap<>();
		}

		/**
		* Returns the maximum number of corrections by package name allowed.
		*
		* @return The maximum number of corrections by package name allowed.
		*
		* @hide
		*/
		@SystemApi
		public int getMaxCorrectionsByPackageName() {
		return MAX_CORRECTIONS_BY_PACKAGE_NAME;
		}

		/**
		* Returns the maximum number of corrections by category allowed.
		*
		* @return The maximum number of corrections by category allowed.
		*
		* @hide
		*/
		@SystemApi
		public int getMaxCorrectionsByCategory() {
		return MAX_CORRECTIONS_BY_CATEGORY;
		}

		/**
		* Add a brightness correction by app package name.
		* This correction is applied whenever an app with this package name has the top activity
		* of the focused stack.
		*
		* @param packageName
		* The app's package name.
		* @param correction
		* The brightness correction.
		*
		* @return The builder.
		*
		* @throws IllegalArgumentExceptions
		* Maximum number of corrections by package name exceeded (see
		* {@link #getMaxCorrectionsByPackageName}).
		*
		* @hide
		*/
		@SystemApi
		public Builder addCorrectionByPackageName(String packageName,
		BrightnessCorrection correction) {
		if (mCorrectionsByPackageName.size() >= getMaxCorrectionsByPackageName()) {
		throw new IllegalArgumentException("Too many corrections by package name");
		}
		mCorrectionsByPackageName.put(packageName, correction);
		return this;
		}

		/**
		* Add a brightness correction by app category.
		* This correction is applied whenever an app with this category has the top activity of
		* the focused stack, and only if a correction by package name has not been applied.
		*
		* @param category
		* The {@link android.content.pm.ApplicationInfo#category app category}.
		* @param correction
		* The brightness correction.
		*
		* @return The builder.
		*
		* @throws IllegalArgumentException
		* Maximum number of corrections by category exceeded (see
		* {@link #getMaxCorrectionsByCategory}).
		*
		* @hide
		*/
		@SystemApi
		public Builder addCorrectionByCategory(@ApplicationInfo.Category int category,
		BrightnessCorrection correction) {
		if (mCorrectionsByCategory.size() >= getMaxCorrectionsByCategory()) {
		throw new IllegalArgumentException("Too many corrections by category");
		}
		mCorrectionsByCategory.put(category, correction);
		return this;
		}

		/**
		@@ -191,7 +511,8 @@ public final class BrightnessConfiguration implements Parcelable {
		if (mCurveLux == null \|\| mCurveNits == null) {
		throw new IllegalStateException("A curve must be set!");
		}
		return new BrightnessConfiguration(mCurveLux, mCurveNits, mDescription);
		return new BrightnessConfiguration(mCurveLux, mCurveNits, mCorrectionsByPackageName,
		mCorrectionsByCategory, mDescription);
		}

		private static void checkMonotonic(float[] vals, boolean strictlyIncreasing, String name) {

core/java/android/hardware/display/BrightnessCorrection.aidl

0 → 100644

+19 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2018 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.hardware.display;

		parcelable BrightnessCorrection;

core/java/android/hardware/display/BrightnessCorrection.java

0 → 100644

+245 −0

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services/core/java/com/android/server/display/AutomaticBrightnessController.java

+171 −22

File changed.

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