Adding intent generation for dates and flights (705b9e9a) · Commits · e / os / android_frameworks_base

api/current.txt

+5 −0

Original line number	Diff line number	Diff line
		@@ -49333,7 +49333,9 @@ package android.view.textclassifier {
		ctor public TextClassification.Options();
		method public int describeContents();
		method public android.os.LocaleList getDefaultLocales();
		method public java.util.Calendar getReferenceTime();
		method public android.view.textclassifier.TextClassification.Options setDefaultLocales(android.os.LocaleList);
		method public android.view.textclassifier.TextClassification.Options setReferenceTime(java.util.Calendar);
		method public void writeToParcel(android.os.Parcel, int);
		field public static final android.os.Parcelable.Creator<android.view.textclassifier.TextClassification.Options> CREATOR;
		}
		@@ -49358,7 +49360,10 @@ package android.view.textclassifier {
		field public static final int ENTITY_PRESET_NONE = 1; // 0x1
		field public static final android.view.textclassifier.TextClassifier NO_OP;
		field public static final java.lang.String TYPE_ADDRESS = "address";
		field public static final java.lang.String TYPE_DATE = "date";
		field public static final java.lang.String TYPE_DATE_TIME = "datetime";
		field public static final java.lang.String TYPE_EMAIL = "email";
		field public static final java.lang.String TYPE_FLIGHT_NUMBER = "flight";
		field public static final java.lang.String TYPE_OTHER = "other";
		field public static final java.lang.String TYPE_PHONE = "phone";
		field public static final java.lang.String TYPE_UNKNOWN = "";

core/java/android/view/textclassifier/SmartSelection.java

+14 −0

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

		package android.view.textclassifier;

		import android.annotation.Nullable;
		import android.content.res.AssetFileDescriptor;

		/**
		@@ -146,11 +147,24 @@ final class SmartSelection {
		final String mCollection;
		/** float range: 0 - 1 */
		final float mScore;
		@Nullable final DatetimeParseResult mDatetime;

		ClassificationResult(String collection, float score) {
		mCollection = collection;
		mScore = score;
		mDatetime = null;
		}

		ClassificationResult(String collection, float score, DatetimeParseResult datetime) {
		mCollection = collection;
		mScore = score;
		mDatetime = datetime;
		}
		}

		/** Parsed date information for the classification result. */
		static final class DatetimeParseResult {
		long mMsSinceEpoch;
		}

		/** Represents a result of Annotate call. */

core/java/android/view/textclassifier/TextClassification.java

+28 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ import android.view.textclassifier.TextClassifier.EntityType;
		import com.android.internal.util.Preconditions;

		import java.util.ArrayList;
		import java.util.Calendar;
		import java.util.List;
		import java.util.Locale;
		import java.util.Map;
		@@ -592,6 +593,7 @@ public final class TextClassification {
		public static final class Options implements Parcelable {

		private @Nullable LocaleList mDefaultLocales;
		private @Nullable Calendar mReferenceTime;

		public Options() {}

		@@ -605,6 +607,16 @@ public final class TextClassification {
		return this;
		}

		/**
		* @param referenceTime reference time based on which relative dates (e.g. "tomorrow" should
		* be interpreted. This should usually be the time when the text was originally
		* composed. If no reference time is set, now is used.
		*/
		public Options setReferenceTime(Calendar referenceTime) {
		mReferenceTime = referenceTime;
		return this;
		}

		/**
		* @return ordered list of locale preferences that can be used to disambiguate
		* the provided text.
		@@ -614,6 +626,15 @@ public final class TextClassification {
		return mDefaultLocales;
		}

		/**
		* @return reference time based on which relative dates (e.g. "tomorrow") should be
		* interpreted.
		*/
		@Nullable
		public Calendar getReferenceTime() {
		return mReferenceTime;
		}

		@Override
		public int describeContents() {
		return 0;
		@@ -625,6 +646,10 @@ public final class TextClassification {
		if (mDefaultLocales != null) {
		mDefaultLocales.writeToParcel(dest, flags);
		}
		dest.writeInt(mReferenceTime != null ? 1 : 0);
		if (mReferenceTime != null) {
		dest.writeSerializable(mReferenceTime);
		}
		}

		public static final Parcelable.Creator<Options> CREATOR =
		@@ -644,6 +669,9 @@ public final class TextClassification {
		if (in.readInt() > 0) {
		mDefaultLocales = LocaleList.CREATOR.createFromParcel(in);
		}
		if (in.readInt() > 0) {
		mReferenceTime = (Calendar) in.readSerializable();
		}
		}
		}

core/java/android/view/textclassifier/TextClassifier.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -47,12 +47,26 @@ public interface TextClassifier {
		/** @hide */
		String DEFAULT_LOG_TAG = "androidtc";

		/** The TextClassifier failed to run. */
		String TYPE_UNKNOWN = "";
		/** The classifier ran, but didn't recognize a known entity. */
		String TYPE_OTHER = "other";
		/** E-mail address (e.g. "noreply@android.com"). */
		String TYPE_EMAIL = "email";
		/** Phone number (e.g. "555-123 456"). */
		String TYPE_PHONE = "phone";
		/** Physical address. */
		String TYPE_ADDRESS = "address";
		/** Web URL. */
		String TYPE_URL = "url";
		/** Time reference that is no more specific than a date. May be absolute such as "01/01/2000" or
		* relative like "tomorrow". **/
		String TYPE_DATE = "date";
		/** Time reference that includes a specific time. May be absolute such as "01/01/2000 5:30pm" or
		* relative like "tomorrow at 5:30pm". **/
		String TYPE_DATE_TIME = "datetime";
		/** Flight number in IATA format. */
		String TYPE_FLIGHT_NUMBER = "flight";

		/** @hide */
		@Retention(RetentionPolicy.SOURCE)
		@@ -63,6 +77,9 @@ public interface TextClassifier {
		TYPE_PHONE,
		TYPE_ADDRESS,
		TYPE_URL,
		TYPE_DATE,
		TYPE_DATE_TIME,
		TYPE_FLIGHT_NUMBER,
		})
		@interface EntityType {}

core/java/android/view/textclassifier/TextClassifierImpl.java

+145 −64

Original line number	Diff line number	Diff line
		@@ -18,7 +18,9 @@ package android.view.textclassifier;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.app.SearchManager;
		import android.content.ComponentName;
		import android.content.ContentUris;
		import android.content.Context;
		import android.content.Intent;
		import android.content.pm.PackageManager;
		@@ -28,6 +30,7 @@ import android.net.Uri;
		import android.os.LocaleList;
		import android.os.ParcelFileDescriptor;
		import android.provider.Browser;
		import android.provider.CalendarContract;
		import android.provider.ContactsContract;
		import android.provider.Settings;
		import android.text.util.Linkify;
		@@ -42,6 +45,7 @@ import java.io.FileNotFoundException;
		import java.io.IOException;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Calendar;
		import java.util.Collection;
		import java.util.Collections;
		import java.util.HashMap;
		@@ -49,6 +53,7 @@ import java.util.List;
		import java.util.Locale;
		import java.util.Map;
		import java.util.Objects;
		import java.util.concurrent.TimeUnit;
		import java.util.regex.Matcher;
		import java.util.regex.Pattern;

		@@ -73,7 +78,10 @@ final class TextClassifierImpl implements TextClassifier {
		TextClassifier.TYPE_ADDRESS,
		TextClassifier.TYPE_EMAIL,
		TextClassifier.TYPE_PHONE,
		TextClassifier.TYPE_URL));
		TextClassifier.TYPE_URL,
		TextClassifier.TYPE_DATE,
		TextClassifier.TYPE_DATE_TIME,
		TextClassifier.TYPE_FLIGHT_NUMBER));
		private static final List<String> ENTITY_TYPES_BASE =
		Collections.unmodifiableList(Arrays.asList(
		TextClassifier.TYPE_ADDRESS,
		@@ -167,9 +175,8 @@ final class TextClassifierImpl implements TextClassifier {
		.classifyText(string, startIndex, endIndex,
		getHintFlags(string, startIndex, endIndex));
		if (results.length > 0) {
		final TextClassification classificationResult =
		createClassificationResult(results, string, startIndex, endIndex);
		return classificationResult;
		return createClassificationResult(
		results, string, startIndex, endIndex, options.getReferenceTime());
		}
		}
		} catch (Throwable t) {
		@@ -410,18 +417,24 @@ final class TextClassifierImpl implements TextClassifier {

		private TextClassification createClassificationResult(
		SmartSelection.ClassificationResult[] classifications,
		String text, int start, int end) {
		String text, int start, int end, @Nullable Calendar referenceTime) {
		final String classifiedText = text.substring(start, end);
		final TextClassification.Builder builder = new TextClassification.Builder()
		.setText(classifiedText);

		final int size = classifications.length;
		SmartSelection.ClassificationResult highestScoringResult = null;
		float highestScore = Float.MIN_VALUE;
		for (int i = 0; i < size; i++) {
		builder.setEntityType(classifications[i].mCollection, classifications[i].mScore);
		if (classifications[i].mScore > highestScore) {
		highestScoringResult = classifications[i];
		highestScore = classifications[i].mScore;
		}
		}

		final String type = getHighestScoringType(classifications);
		addActions(builder, IntentFactory.create(mContext, type, classifiedText));
		addActions(builder, IntentFactory.create(
		mContext, referenceTime, highestScoringResult, classifiedText));

		return builder.setSignature(getSignature(text, start, end)).build();
		}
		@@ -441,11 +454,10 @@ final class TextClassifierImpl implements TextClassifier {
		}
		if (resolveInfo != null && resolveInfo.activityInfo != null) {
		final String packageName = resolveInfo.activityInfo.packageName;
		CharSequence label;
		final String label = IntentFactory.getLabel(mContext, intent);
		Drawable icon;
		if ("android".equals(packageName)) {
		// Requires the chooser to find an activity to handle the intent.
		label = IntentFactory.getLabel(mContext, intent);
		icon = null;
		} else {
		// A default activity will handle the intent.
		@@ -455,16 +467,11 @@ final class TextClassifierImpl implements TextClassifier {
		if (icon == null) {
		icon = resolveInfo.loadIcon(pm);
		}
		label = resolveInfo.activityInfo.loadLabel(pm);
		if (label == null) {
		label = resolveInfo.loadLabel(pm);
		}
		}
		final String labelString = (label != null) ? label.toString() : null;
		if (i == 0) {
		builder.setPrimaryAction(intent, labelString, icon);
		builder.setPrimaryAction(intent, label, icon);
		} else {
		builder.addSecondaryAction(intent, labelString, icon);
		builder.addSecondaryAction(intent, label, icon);
		}
		}
		}
		@@ -483,23 +490,6 @@ final class TextClassifierImpl implements TextClassifier {
		return flag;
		}

		private static String getHighestScoringType(SmartSelection.ClassificationResult[] types) {
		if (types.length < 1) {
		return "";
		}

		String type = types[0].mCollection;
		float highestScore = types[0].mScore;
		final int size = types.length;
		for (int i = 1; i < size; i++) {
		if (types[i].mScore > highestScore) {
		type = types[i].mCollection;
		highestScore = types[i].mScore;
		}
		}
		return type;
		}

		/**
		* Closes the ParcelFileDescriptor and logs any errors that occur.
		*/
		@@ -514,37 +504,76 @@ final class TextClassifierImpl implements TextClassifier {
		/**
		* Creates intents based on the classification type.
		*/
		private static final class IntentFactory {
		static final class IntentFactory {

		private static final long MIN_EVENT_FUTURE_MILLIS = TimeUnit.MINUTES.toMillis(5);
		private static final long DEFAULT_EVENT_DURATION = TimeUnit.HOURS.toMillis(1);

		private IntentFactory() {}

		@NonNull
		public static List<Intent> create(Context context, String type, String text) {
		final List<Intent> intents = new ArrayList<>();
		type = type.trim().toLowerCase(Locale.ENGLISH);
		public static List<Intent> create(
		Context context,
		@Nullable Calendar referenceTime,
		SmartSelection.ClassificationResult classification,
		String text) {
		final String type = classification.mCollection.trim().toLowerCase(Locale.ENGLISH);
		text = text.trim();
		switch (type) {
		case TextClassifier.TYPE_EMAIL:
		intents.add(new Intent(Intent.ACTION_SENDTO)
		.setData(Uri.parse(String.format("mailto:%s", text))));
		intents.add(new Intent(Intent.ACTION_INSERT_OR_EDIT)
		return createForEmail(text);
		case TextClassifier.TYPE_PHONE:
		return createForPhone(text);
		case TextClassifier.TYPE_ADDRESS:
		return createForAddress(text);
		case TextClassifier.TYPE_URL:
		return createForUrl(context, text);
		case TextClassifier.TYPE_DATE:
		case TextClassifier.TYPE_DATE_TIME:
		if (classification.mDatetime != null) {
		Calendar eventTime = Calendar.getInstance();
		eventTime.setTimeInMillis(classification.mDatetime.mMsSinceEpoch);
		return createForDatetime(type, referenceTime, eventTime);
		} else {
		return new ArrayList<>();
		}
		case TextClassifier.TYPE_FLIGHT_NUMBER:
		return createForFlight(text);
		default:
		return new ArrayList<>();
		}
		}

		@NonNull
		private static List<Intent> createForEmail(String text) {
		return Arrays.asList(
		new Intent(Intent.ACTION_SENDTO)
		.setData(Uri.parse(String.format("mailto:%s", text))),
		new Intent(Intent.ACTION_INSERT_OR_EDIT)
		.setType(ContactsContract.Contacts.CONTENT_ITEM_TYPE)
		.putExtra(ContactsContract.Intents.Insert.EMAIL, text));
		break;
		case TextClassifier.TYPE_PHONE:
		intents.add(new Intent(Intent.ACTION_DIAL)
		.setData(Uri.parse(String.format("tel:%s", text))));
		intents.add(new Intent(Intent.ACTION_INSERT_OR_EDIT)
		}

		@NonNull
		private static List<Intent> createForPhone(String text) {
		return Arrays.asList(
		new Intent(Intent.ACTION_DIAL)
		.setData(Uri.parse(String.format("tel:%s", text))),
		new Intent(Intent.ACTION_INSERT_OR_EDIT)
		.setType(ContactsContract.Contacts.CONTENT_ITEM_TYPE)
		.putExtra(ContactsContract.Intents.Insert.PHONE, text));
		intents.add(new Intent(Intent.ACTION_SENDTO)
		.putExtra(ContactsContract.Intents.Insert.PHONE, text),
		new Intent(Intent.ACTION_SENDTO)
		.setData(Uri.parse(String.format("smsto:%s", text))));
		break;
		case TextClassifier.TYPE_ADDRESS:
		intents.add(new Intent(Intent.ACTION_VIEW)
		}

		@NonNull
		private static List<Intent> createForAddress(String text) {
		return Arrays.asList(new Intent(Intent.ACTION_VIEW)
		.setData(Uri.parse(String.format("geo:0,0?q=%s", text))));
		break;
		case TextClassifier.TYPE_URL:
		}

		@NonNull
		private static List<Intent> createForUrl(Context context, String text) {
		final String httpPrefix = "http://";
		final String httpsPrefix = "https://";
		if (text.toLowerCase().startsWith(httpPrefix)) {
		@@ -554,18 +583,60 @@ final class TextClassifierImpl implements TextClassifier {
		} else {
		text = httpPrefix + text;
		}
		intents.add(new Intent(Intent.ACTION_VIEW, Uri.parse(text))
		return Arrays.asList(new Intent(Intent.ACTION_VIEW, Uri.parse(text))
		.putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName()));
		break;
		}

		@NonNull
		private static List<Intent> createForDatetime(
		String type, @Nullable Calendar referenceTime, Calendar eventTime) {
		if (referenceTime == null) {
		// If no reference time was given, use now.
		referenceTime = Calendar.getInstance();
		}
		List<Intent> intents = new ArrayList<>();
		intents.add(createCalendarViewIntent(eventTime));
		final long millisSinceReference =
		eventTime.getTimeInMillis() - referenceTime.getTimeInMillis();
		if (millisSinceReference > MIN_EVENT_FUTURE_MILLIS) {
		intents.add(createCalendarCreateEventIntent(eventTime, type));
		}
		return intents;
		}

		@NonNull
		private static List<Intent> createForFlight(String text) {
		return Arrays.asList(new Intent(Intent.ACTION_WEB_SEARCH)
		.putExtra(SearchManager.QUERY, text));
		}

		@NonNull
		private static Intent createCalendarViewIntent(Calendar eventTime) {
		Uri.Builder builder = CalendarContract.CONTENT_URI.buildUpon();
		builder.appendPath("time");
		ContentUris.appendId(builder, eventTime.getTimeInMillis());
		return new Intent(Intent.ACTION_VIEW).setData(builder.build());
		}

		@NonNull
		private static Intent createCalendarCreateEventIntent(
		Calendar eventTime, @EntityType String type) {
		final boolean isAllDay = TextClassifier.TYPE_DATE.equals(type);
		return new Intent(Intent.ACTION_INSERT)
		.setData(CalendarContract.Events.CONTENT_URI)
		.putExtra(CalendarContract.EXTRA_EVENT_ALL_DAY, isAllDay)
		.putExtra(CalendarContract.EXTRA_EVENT_BEGIN_TIME, eventTime.getTimeInMillis())
		.putExtra(CalendarContract.EXTRA_EVENT_END_TIME,
		eventTime.getTimeInMillis() + DEFAULT_EVENT_DURATION);
		}

		@Nullable
		public static String getLabel(Context context, @Nullable Intent intent) {
		if (intent == null \|\| intent.getAction() == null) {
		return null;
		}
		final String authority =
		intent.getData() == null ? null : intent.getData().getAuthority();
		switch (intent.getAction()) {
		case Intent.ACTION_DIAL:
		return context.getString(com.android.internal.R.string.dial);
		@@ -578,6 +649,11 @@ final class TextClassifierImpl implements TextClassifier {
		default:
		return null;
		}
		case Intent.ACTION_INSERT:
		if (CalendarContract.AUTHORITY.equals(authority)) {
		return context.getString(com.android.internal.R.string.add_calendar_event);
		}
		return null;
		case Intent.ACTION_INSERT_OR_EDIT:
		switch (intent.getDataString()) {
		case ContactsContract.Contacts.CONTENT_ITEM_TYPE:
		@@ -586,6 +662,9 @@ final class TextClassifierImpl implements TextClassifier {
		return null;
		}
		case Intent.ACTION_VIEW:
		if (CalendarContract.AUTHORITY.equals(authority)) {
		return context.getString(com.android.internal.R.string.view_calendar);
		}
		switch (intent.getScheme()) {
		case "geo":
		return context.getString(com.android.internal.R.string.map);
		@@ -595,6 +674,8 @@ final class TextClassifierImpl implements TextClassifier {
		default:
		return null;
		}
		case Intent.ACTION_WEB_SEARCH:
		return context.getString(com.android.internal.R.string.view_flight);
		default:
		return null;
		}