Auto add new words to the user dictionary. (34386e69) · Commits · e / os / android_packages_inputmethods_LatinIME

res/xml/popup_punctuation.xml

+10 −1

Original line number	Diff line number	Diff line
		@@ -25,7 +25,16 @@
		android:keyHeight="@dimen/key_height"
		>

		<Row android:rowEdgeFlags="top\|bottom">
		<Row android:rowEdgeFlags="top">
		<Key android:keyLabel=";" android:keyEdgeFlags="left" />
		<Key android:keyLabel="\\" />
		<Key android:keyLabel="&" />
		<Key android:keyLabel="(" />
		<Key android:keyLabel=")" />
		<Key android:keyLabel="-" />
		<Key android:keyLabel="+" android:keyEdgeFlags="right" />
		</Row>
		<Row android:rowEdgeFlags="bottom">
		<Key android:codes="58" android:keyLabel=":" android:keyEdgeFlags="left" />
		<Key android:codes="47" android:keyLabel="/" />
		<Key android:codes="64" android:keyLabel="\@" />

src/com/android/inputmethod/latin/ExpandableDictionary.java

0 → 100644

+423 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2009 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 com.android.inputmethod.latin;

		import android.content.Context;

		import com.android.inputmethod.latin.Dictionary;
		import com.android.inputmethod.latin.WordComposer;
		import com.android.inputmethod.latin.Dictionary.WordCallback;

		import java.util.ArrayList;
		import java.util.List;

		/**
		* Base class for an in-memory dictionary that can grow dynamically and can
		* be searched for suggestions and valid words.
		*/
		public class ExpandableDictionary extends Dictionary {
		private Context mContext;
		private char[] mWordBuilder = new char[MAX_WORD_LENGTH];
		private int mMaxDepth;
		private int mInputLength;

		public static final int MAX_WORD_LENGTH = 32;
		private static final char QUOTE = '\'';

		static class Node {
		char code;
		int frequency;
		boolean terminal;
		List<Node> children;
		}

		private ArrayList<Node> mRoots;

		ExpandableDictionary(Context context) {
		mContext = context;
		clearDictionary();
		}

		Context getContext() {
		return mContext;
		}

		int getMaxWordLength() {
		return MAX_WORD_LENGTH;
		}

		public void addWord(String word, int frequency) {
		addWordRec(mRoots, word, 0, frequency);
		}

		private void addWordRec(List<Node> children, final String word,
		final int depth, final int frequency) {

		final int wordLength = word.length();
		final char c = word.charAt(depth);
		// Does children have the current character?
		final int childrenLength = children.size();
		Node childNode = null;
		boolean found = false;
		for (int i = 0; i < childrenLength; i++) {
		childNode = children.get(i);
		if (childNode.code == c) {
		found = true;
		break;
		}
		}
		if (!found) {
		childNode = new Node();
		childNode.code = c;
		children.add(childNode);
		}
		if (wordLength == depth + 1) {
		// Terminate this word
		childNode.terminal = true;
		childNode.frequency += frequency; // If there are multiple similar words
		if (childNode.frequency > 256) childNode.frequency = 256;
		return;
		}
		if (childNode.children == null) {
		childNode.children = new ArrayList<Node>();
		}
		addWordRec(childNode.children, word, depth + 1, frequency);
		}

		@Override
		public void getWords(final WordComposer codes, final WordCallback callback) {
		mInputLength = codes.size();
		mMaxDepth = mInputLength * 3;
		getWordsRec(mRoots, codes, mWordBuilder, 0, false, 1.0f, 0, callback);
		}

		@Override
		public synchronized boolean isValidWord(CharSequence word) {
		final int freq = getWordFrequencyRec(mRoots, word, 0, word.length());
		return freq > -1;
		}

		/**
		* Returns the word's frequency or -1 if not found
		*/
		public int getWordFrequency(CharSequence word) {
		return getWordFrequencyRec(mRoots, word, 0, word.length());
		}

		/**
		* Returns the word's frequency or -1 if not found
		*/
		private int getWordFrequencyRec(final List<Node> children, final CharSequence word,
		final int offset, final int length) {
		final int count = children.size();
		char currentChar = word.charAt(offset);
		for (int j = 0; j < count; j++) {
		final Node node = children.get(j);
		if (node.code == currentChar) {
		if (offset == length - 1) {
		if (node.terminal) {
		return node.frequency;
		}
		} else {
		if (node.children != null) {
		int freq = getWordFrequencyRec(node.children, word, offset + 1, length);
		if (freq > -1) return freq;
		}
		}
		}
		}
		return -1;
		}

		/**
		* Recursively traverse the tree for words that match the input. Input consists of
		* a list of arrays. Each item in the list is one input character position. An input
		* character is actually an array of multiple possible candidates. This function is not
		* optimized for speed, assuming that the user dictionary will only be a few hundred words in
		* size.
		* @param roots node whose children have to be search for matches
		* @param codes the input character codes
		* @param word the word being composed as a possible match
		* @param depth the depth of traversal - the length of the word being composed thus far
		* @param completion whether the traversal is now in completion mode - meaning that we've
		* exhausted the input and we're looking for all possible suffixes.
		* @param snr current weight of the word being formed
		* @param inputIndex position in the input characters. This can be off from the depth in
		* case we skip over some punctuations such as apostrophe in the traversal. That is, if you type
		* "wouldve", it could be matching "would've", so the depth will be one more than the
		* inputIndex
		* @param callback the callback class for adding a word
		*/
		protected void getWordsRec(List<Node> roots, final WordComposer codes, final char[] word,
		final int depth, boolean completion, float snr, int inputIndex,
		WordCallback callback) {
		final int count = roots.size();
		final int codeSize = mInputLength;
		// Optimization: Prune out words that are too long compared to how much was typed.
		if (depth > mMaxDepth) {
		return;
		}
		int[] currentChars = null;
		if (codeSize <= inputIndex) {
		completion = true;
		} else {
		currentChars = codes.getCodesAt(inputIndex);
		}

		for (int i = 0; i < count; i++) {
		final Node node = roots.get(i);
		final char c = node.code;
		final char lowerC = toLowerCase(c);
		boolean terminal = node.terminal;
		List<Node> children = node.children;
		int freq = node.frequency;
		if (completion) {
		word[depth] = c;
		if (terminal) {
		if (!callback.addWord(word, 0, depth + 1, (int) (freq * snr))) {
		return;
		}
		}
		if (children != null) {
		getWordsRec(children, codes, word, depth + 1, completion, snr, inputIndex,
		callback);
		}
		} else if (c == QUOTE && currentChars[0] != QUOTE) {
		// Skip the ' and continue deeper
		word[depth] = QUOTE;
		if (children != null) {
		getWordsRec(children, codes, word, depth + 1, completion, snr, inputIndex,
		callback);
		}
		} else {
		for (int j = 0; j < currentChars.length; j++) {
		float addedAttenuation = (j > 0 ? 1f : 3f);
		if (currentChars[j] == -1) {
		break;
		}
		if (currentChars[j] == lowerC \|\| currentChars[j] == c) {
		word[depth] = c;

		if (codes.size() == depth + 1) {
		if (terminal) {
		if (INCLUDE_TYPED_WORD_IF_VALID
		\|\| !same(word, depth + 1, codes.getTypedWord())) {
		callback.addWord(word, 0, depth + 1,
		(int) (freq * snr * addedAttenuation
		* FULL_WORD_FREQ_MULTIPLIER));
		}
		}
		if (children != null) {
		getWordsRec(children, codes, word, depth + 1,
		true, snr * addedAttenuation, inputIndex + 1, callback);
		}
		} else if (children != null) {
		getWordsRec(children, codes, word, depth + 1,
		false, snr * addedAttenuation, inputIndex + 1, callback);
		}
		}
		}
		}
		}
		}

		protected void clearDictionary() {
		mRoots = new ArrayList<Node>();
		}

		static char toLowerCase(char c) {
		if (c < BASE_CHARS.length) {
		c = BASE_CHARS[c];
		}
		c = Character.toLowerCase(c);
		return c;
		}

		/**
		* Table mapping most combined Latin, Greek, and Cyrillic characters
		* to their base characters. If c is in range, BASE_CHARS[c] == c
		* if c is not a combined character, or the base character if it
		* is combined.
		*/
		static final char BASE_CHARS[] = {
		0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0006, 0x0007,
		0x0008, 0x0009, 0x000a, 0x000b, 0x000c, 0x000d, 0x000e, 0x000f,
		0x0010, 0x0011, 0x0012, 0x0013, 0x0014, 0x0015, 0x0016, 0x0017,
		0x0018, 0x0019, 0x001a, 0x001b, 0x001c, 0x001d, 0x001e, 0x001f,
		0x0020, 0x0021, 0x0022, 0x0023, 0x0024, 0x0025, 0x0026, 0x0027,
		0x0028, 0x0029, 0x002a, 0x002b, 0x002c, 0x002d, 0x002e, 0x002f,
		0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
		0x0038, 0x0039, 0x003a, 0x003b, 0x003c, 0x003d, 0x003e, 0x003f,
		0x0040, 0x0041, 0x0042, 0x0043, 0x0044, 0x0045, 0x0046, 0x0047,
		0x0048, 0x0049, 0x004a, 0x004b, 0x004c, 0x004d, 0x004e, 0x004f,
		0x0050, 0x0051, 0x0052, 0x0053, 0x0054, 0x0055, 0x0056, 0x0057,
		0x0058, 0x0059, 0x005a, 0x005b, 0x005c, 0x005d, 0x005e, 0x005f,
		0x0060, 0x0061, 0x0062, 0x0063, 0x0064, 0x0065, 0x0066, 0x0067,
		0x0068, 0x0069, 0x006a, 0x006b, 0x006c, 0x006d, 0x006e, 0x006f,
		0x0070, 0x0071, 0x0072, 0x0073, 0x0074, 0x0075, 0x0076, 0x0077,
		0x0078, 0x0079, 0x007a, 0x007b, 0x007c, 0x007d, 0x007e, 0x007f,
		0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087,
		0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
		0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097,
		0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
		0x0020, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7,
		0x0020, 0x00a9, 0x0061, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x0020,
		0x00b0, 0x00b1, 0x0032, 0x0033, 0x0020, 0x03bc, 0x00b6, 0x00b7,
		0x0020, 0x0031, 0x006f, 0x00bb, 0x0031, 0x0031, 0x0033, 0x00bf,
		0x0041, 0x0041, 0x0041, 0x0041, 0x0041, 0x0041, 0x00c6, 0x0043,
		0x0045, 0x0045, 0x0045, 0x0045, 0x0049, 0x0049, 0x0049, 0x0049,
		0x00d0, 0x004e, 0x004f, 0x004f, 0x004f, 0x004f, 0x004f, 0x00d7,
		0x004f, 0x0055, 0x0055, 0x0055, 0x0055, 0x0059, 0x00de, 0x0073, // Manually changed d8 to 4f
		// Manually changed df to 73
		0x0061, 0x0061, 0x0061, 0x0061, 0x0061, 0x0061, 0x00e6, 0x0063,
		0x0065, 0x0065, 0x0065, 0x0065, 0x0069, 0x0069, 0x0069, 0x0069,
		0x00f0, 0x006e, 0x006f, 0x006f, 0x006f, 0x006f, 0x006f, 0x00f7,
		0x006f, 0x0075, 0x0075, 0x0075, 0x0075, 0x0079, 0x00fe, 0x0079, // Manually changed f8 to 6f
		0x0041, 0x0061, 0x0041, 0x0061, 0x0041, 0x0061, 0x0043, 0x0063,
		0x0043, 0x0063, 0x0043, 0x0063, 0x0043, 0x0063, 0x0044, 0x0064,
		0x0110, 0x0111, 0x0045, 0x0065, 0x0045, 0x0065, 0x0045, 0x0065,
		0x0045, 0x0065, 0x0045, 0x0065, 0x0047, 0x0067, 0x0047, 0x0067,
		0x0047, 0x0067, 0x0047, 0x0067, 0x0048, 0x0068, 0x0126, 0x0127,
		0x0049, 0x0069, 0x0049, 0x0069, 0x0049, 0x0069, 0x0049, 0x0069,
		0x0049, 0x0131, 0x0049, 0x0069, 0x004a, 0x006a, 0x004b, 0x006b,
		0x0138, 0x004c, 0x006c, 0x004c, 0x006c, 0x004c, 0x006c, 0x004c,
		0x006c, 0x0141, 0x0142, 0x004e, 0x006e, 0x004e, 0x006e, 0x004e,
		0x006e, 0x02bc, 0x014a, 0x014b, 0x004f, 0x006f, 0x004f, 0x006f,
		0x004f, 0x006f, 0x0152, 0x0153, 0x0052, 0x0072, 0x0052, 0x0072,
		0x0052, 0x0072, 0x0053, 0x0073, 0x0053, 0x0073, 0x0053, 0x0073,
		0x0053, 0x0073, 0x0054, 0x0074, 0x0054, 0x0074, 0x0166, 0x0167,
		0x0055, 0x0075, 0x0055, 0x0075, 0x0055, 0x0075, 0x0055, 0x0075,
		0x0055, 0x0075, 0x0055, 0x0075, 0x0057, 0x0077, 0x0059, 0x0079,
		0x0059, 0x005a, 0x007a, 0x005a, 0x007a, 0x005a, 0x007a, 0x0073,
		0x0180, 0x0181, 0x0182, 0x0183, 0x0184, 0x0185, 0x0186, 0x0187,
		0x0188, 0x0189, 0x018a, 0x018b, 0x018c, 0x018d, 0x018e, 0x018f,
		0x0190, 0x0191, 0x0192, 0x0193, 0x0194, 0x0195, 0x0196, 0x0197,
		0x0198, 0x0199, 0x019a, 0x019b, 0x019c, 0x019d, 0x019e, 0x019f,
		0x004f, 0x006f, 0x01a2, 0x01a3, 0x01a4, 0x01a5, 0x01a6, 0x01a7,
		0x01a8, 0x01a9, 0x01aa, 0x01ab, 0x01ac, 0x01ad, 0x01ae, 0x0055,
		0x0075, 0x01b1, 0x01b2, 0x01b3, 0x01b4, 0x01b5, 0x01b6, 0x01b7,
		0x01b8, 0x01b9, 0x01ba, 0x01bb, 0x01bc, 0x01bd, 0x01be, 0x01bf,
		0x01c0, 0x01c1, 0x01c2, 0x01c3, 0x0044, 0x0044, 0x0064, 0x004c,
		0x004c, 0x006c, 0x004e, 0x004e, 0x006e, 0x0041, 0x0061, 0x0049,
		0x0069, 0x004f, 0x006f, 0x0055, 0x0075, 0x00dc, 0x00fc, 0x00dc,
		0x00fc, 0x00dc, 0x00fc, 0x00dc, 0x00fc, 0x01dd, 0x00c4, 0x00e4,
		0x0226, 0x0227, 0x00c6, 0x00e6, 0x01e4, 0x01e5, 0x0047, 0x0067,
		0x004b, 0x006b, 0x004f, 0x006f, 0x01ea, 0x01eb, 0x01b7, 0x0292,
		0x006a, 0x0044, 0x0044, 0x0064, 0x0047, 0x0067, 0x01f6, 0x01f7,
		0x004e, 0x006e, 0x00c5, 0x00e5, 0x00c6, 0x00e6, 0x00d8, 0x00f8,
		0x0041, 0x0061, 0x0041, 0x0061, 0x0045, 0x0065, 0x0045, 0x0065,
		0x0049, 0x0069, 0x0049, 0x0069, 0x004f, 0x006f, 0x004f, 0x006f,
		0x0052, 0x0072, 0x0052, 0x0072, 0x0055, 0x0075, 0x0055, 0x0075,
		0x0053, 0x0073, 0x0054, 0x0074, 0x021c, 0x021d, 0x0048, 0x0068,
		0x0220, 0x0221, 0x0222, 0x0223, 0x0224, 0x0225, 0x0041, 0x0061,
		0x0045, 0x0065, 0x00d6, 0x00f6, 0x00d5, 0x00f5, 0x004f, 0x006f,
		0x022e, 0x022f, 0x0059, 0x0079, 0x0234, 0x0235, 0x0236, 0x0237,
		0x0238, 0x0239, 0x023a, 0x023b, 0x023c, 0x023d, 0x023e, 0x023f,
		0x0240, 0x0241, 0x0242, 0x0243, 0x0244, 0x0245, 0x0246, 0x0247,
		0x0248, 0x0249, 0x024a, 0x024b, 0x024c, 0x024d, 0x024e, 0x024f,
		0x0250, 0x0251, 0x0252, 0x0253, 0x0254, 0x0255, 0x0256, 0x0257,
		0x0258, 0x0259, 0x025a, 0x025b, 0x025c, 0x025d, 0x025e, 0x025f,
		0x0260, 0x0261, 0x0262, 0x0263, 0x0264, 0x0265, 0x0266, 0x0267,
		0x0268, 0x0269, 0x026a, 0x026b, 0x026c, 0x026d, 0x026e, 0x026f,
		0x0270, 0x0271, 0x0272, 0x0273, 0x0274, 0x0275, 0x0276, 0x0277,
		0x0278, 0x0279, 0x027a, 0x027b, 0x027c, 0x027d, 0x027e, 0x027f,
		0x0280, 0x0281, 0x0282, 0x0283, 0x0284, 0x0285, 0x0286, 0x0287,
		0x0288, 0x0289, 0x028a, 0x028b, 0x028c, 0x028d, 0x028e, 0x028f,
		0x0290, 0x0291, 0x0292, 0x0293, 0x0294, 0x0295, 0x0296, 0x0297,
		0x0298, 0x0299, 0x029a, 0x029b, 0x029c, 0x029d, 0x029e, 0x029f,
		0x02a0, 0x02a1, 0x02a2, 0x02a3, 0x02a4, 0x02a5, 0x02a6, 0x02a7,
		0x02a8, 0x02a9, 0x02aa, 0x02ab, 0x02ac, 0x02ad, 0x02ae, 0x02af,
		0x0068, 0x0266, 0x006a, 0x0072, 0x0279, 0x027b, 0x0281, 0x0077,
		0x0079, 0x02b9, 0x02ba, 0x02bb, 0x02bc, 0x02bd, 0x02be, 0x02bf,
		0x02c0, 0x02c1, 0x02c2, 0x02c3, 0x02c4, 0x02c5, 0x02c6, 0x02c7,
		0x02c8, 0x02c9, 0x02ca, 0x02cb, 0x02cc, 0x02cd, 0x02ce, 0x02cf,
		0x02d0, 0x02d1, 0x02d2, 0x02d3, 0x02d4, 0x02d5, 0x02d6, 0x02d7,
		0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x0020, 0x02de, 0x02df,
		0x0263, 0x006c, 0x0073, 0x0078, 0x0295, 0x02e5, 0x02e6, 0x02e7,
		0x02e8, 0x02e9, 0x02ea, 0x02eb, 0x02ec, 0x02ed, 0x02ee, 0x02ef,
		0x02f0, 0x02f1, 0x02f2, 0x02f3, 0x02f4, 0x02f5, 0x02f6, 0x02f7,
		0x02f8, 0x02f9, 0x02fa, 0x02fb, 0x02fc, 0x02fd, 0x02fe, 0x02ff,
		0x0300, 0x0301, 0x0302, 0x0303, 0x0304, 0x0305, 0x0306, 0x0307,
		0x0308, 0x0309, 0x030a, 0x030b, 0x030c, 0x030d, 0x030e, 0x030f,
		0x0310, 0x0311, 0x0312, 0x0313, 0x0314, 0x0315, 0x0316, 0x0317,
		0x0318, 0x0319, 0x031a, 0x031b, 0x031c, 0x031d, 0x031e, 0x031f,
		0x0320, 0x0321, 0x0322, 0x0323, 0x0324, 0x0325, 0x0326, 0x0327,
		0x0328, 0x0329, 0x032a, 0x032b, 0x032c, 0x032d, 0x032e, 0x032f,
		0x0330, 0x0331, 0x0332, 0x0333, 0x0334, 0x0335, 0x0336, 0x0337,
		0x0338, 0x0339, 0x033a, 0x033b, 0x033c, 0x033d, 0x033e, 0x033f,
		0x0300, 0x0301, 0x0342, 0x0313, 0x0308, 0x0345, 0x0346, 0x0347,
		0x0348, 0x0349, 0x034a, 0x034b, 0x034c, 0x034d, 0x034e, 0x034f,
		0x0350, 0x0351, 0x0352, 0x0353, 0x0354, 0x0355, 0x0356, 0x0357,
		0x0358, 0x0359, 0x035a, 0x035b, 0x035c, 0x035d, 0x035e, 0x035f,
		0x0360, 0x0361, 0x0362, 0x0363, 0x0364, 0x0365, 0x0366, 0x0367,
		0x0368, 0x0369, 0x036a, 0x036b, 0x036c, 0x036d, 0x036e, 0x036f,
		0x0370, 0x0371, 0x0372, 0x0373, 0x02b9, 0x0375, 0x0376, 0x0377,
		0x0378, 0x0379, 0x0020, 0x037b, 0x037c, 0x037d, 0x003b, 0x037f,
		0x0380, 0x0381, 0x0382, 0x0383, 0x0020, 0x00a8, 0x0391, 0x00b7,
		0x0395, 0x0397, 0x0399, 0x038b, 0x039f, 0x038d, 0x03a5, 0x03a9,
		0x03ca, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397,
		0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e, 0x039f,
		0x03a0, 0x03a1, 0x03a2, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7,
		0x03a8, 0x03a9, 0x0399, 0x03a5, 0x03b1, 0x03b5, 0x03b7, 0x03b9,
		0x03cb, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7,
		0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
		0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6, 0x03c7,
		0x03c8, 0x03c9, 0x03b9, 0x03c5, 0x03bf, 0x03c5, 0x03c9, 0x03cf,
		0x03b2, 0x03b8, 0x03a5, 0x03d2, 0x03d2, 0x03c6, 0x03c0, 0x03d7,
		0x03d8, 0x03d9, 0x03da, 0x03db, 0x03dc, 0x03dd, 0x03de, 0x03df,
		0x03e0, 0x03e1, 0x03e2, 0x03e3, 0x03e4, 0x03e5, 0x03e6, 0x03e7,
		0x03e8, 0x03e9, 0x03ea, 0x03eb, 0x03ec, 0x03ed, 0x03ee, 0x03ef,
		0x03ba, 0x03c1, 0x03c2, 0x03f3, 0x0398, 0x03b5, 0x03f6, 0x03f7,
		0x03f8, 0x03a3, 0x03fa, 0x03fb, 0x03fc, 0x03fd, 0x03fe, 0x03ff,
		0x0415, 0x0415, 0x0402, 0x0413, 0x0404, 0x0405, 0x0406, 0x0406,
		0x0408, 0x0409, 0x040a, 0x040b, 0x041a, 0x0418, 0x0423, 0x040f,
		0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
		0x0418, 0x0418, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f,
		0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
		0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f,
		0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
		0x0438, 0x0438, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f,
		0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
		0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f,
		0x0435, 0x0435, 0x0452, 0x0433, 0x0454, 0x0455, 0x0456, 0x0456,
		0x0458, 0x0459, 0x045a, 0x045b, 0x043a, 0x0438, 0x0443, 0x045f,
		0x0460, 0x0461, 0x0462, 0x0463, 0x0464, 0x0465, 0x0466, 0x0467,
		0x0468, 0x0469, 0x046a, 0x046b, 0x046c, 0x046d, 0x046e, 0x046f,
		0x0470, 0x0471, 0x0472, 0x0473, 0x0474, 0x0475, 0x0474, 0x0475,
		0x0478, 0x0479, 0x047a, 0x047b, 0x047c, 0x047d, 0x047e, 0x047f,
		0x0480, 0x0481, 0x0482, 0x0483, 0x0484, 0x0485, 0x0486, 0x0487,
		0x0488, 0x0489, 0x048a, 0x048b, 0x048c, 0x048d, 0x048e, 0x048f,
		0x0490, 0x0491, 0x0492, 0x0493, 0x0494, 0x0495, 0x0496, 0x0497,
		0x0498, 0x0499, 0x049a, 0x049b, 0x049c, 0x049d, 0x049e, 0x049f,
		0x04a0, 0x04a1, 0x04a2, 0x04a3, 0x04a4, 0x04a5, 0x04a6, 0x04a7,
		0x04a8, 0x04a9, 0x04aa, 0x04ab, 0x04ac, 0x04ad, 0x04ae, 0x04af,
		0x04b0, 0x04b1, 0x04b2, 0x04b3, 0x04b4, 0x04b5, 0x04b6, 0x04b7,
		0x04b8, 0x04b9, 0x04ba, 0x04bb, 0x04bc, 0x04bd, 0x04be, 0x04bf,
		0x04c0, 0x0416, 0x0436, 0x04c3, 0x04c4, 0x04c5, 0x04c6, 0x04c7,
		0x04c8, 0x04c9, 0x04ca, 0x04cb, 0x04cc, 0x04cd, 0x04ce, 0x04cf,
		0x0410, 0x0430, 0x0410, 0x0430, 0x04d4, 0x04d5, 0x0415, 0x0435,
		0x04d8, 0x04d9, 0x04d8, 0x04d9, 0x0416, 0x0436, 0x0417, 0x0437,
		0x04e0, 0x04e1, 0x0418, 0x0438, 0x0418, 0x0438, 0x041e, 0x043e,
		0x04e8, 0x04e9, 0x04e8, 0x04e9, 0x042d, 0x044d, 0x0423, 0x0443,
		0x0423, 0x0443, 0x0423, 0x0443, 0x0427, 0x0447, 0x04f6, 0x04f7,
		0x042b, 0x044b, 0x04fa, 0x04fb, 0x04fc, 0x04fd, 0x04fe, 0x04ff,
		};

		// generated with:
		// cat UnicodeData.txt \| perl -e 'while (<>) { @foo = split(/;/); $foo[5] =~ s/<.*> //; $base[hex($foo[0])] = hex($foo[5]);} for ($i = 0; $i < 0x500; $i += 8) { for ($j = $i; $j < $i + 8; $j++) { printf("0x%04x, ", $base[$j] ? $base[$j] : $j)}; print "\n"; }'

		}

src/com/android/inputmethod/latin/LatinIME.java

+37 −2

Original line number	Diff line number	Diff line
		@@ -95,6 +95,7 @@ public class LatinIME extends InputMethodService
		KeyboardSwitcher mKeyboardSwitcher;

		private UserDictionary mUserDictionary;
		private ExpandableDictionary mAutoDictionary;

		private String mLocale;

		@@ -172,7 +173,9 @@ public class LatinIME extends InputMethodService
		mSuggest = new Suggest(this, R.raw.main);
		mSuggest.setCorrectionMode(mCorrectionMode);
		mUserDictionary = new UserDictionary(this);
		mAutoDictionary = new AutoDictionary(this);
		mSuggest.setUserDictionary(mUserDictionary);
		mSuggest.setAutoDictionary(mAutoDictionary);
		mWordSeparators = getResources().getString(R.string.word_separators);
		mSentenceSeparators = getResources().getString(R.string.sentence_separators);
		}
		@@ -465,6 +468,7 @@ public class LatinIME extends InputMethodService
		}
		mCommittedLength = mComposing.length();
		TextEntryState.acceptedTyped(mComposing);
		mAutoDictionary.addWord(mComposing.toString(), 1);
		}
		updateSuggestions();
		}
		@@ -820,6 +824,10 @@ public class LatinIME extends InputMethodService
		if (ic != null) {
		ic.commitText(suggestion, 1);
		}
		// Add the word to the auto dictionary if it's not a known word
		if (mAutoDictionary.isValidWord(suggestion) \|\| !mSuggest.isValidWord(suggestion)) {
		mAutoDictionary.addWord(suggestion.toString(), 1);
		}
		mPredicting = false;
		mCommittedLength = suggestion.length();
		if (mCandidateView != null) {
		@@ -999,6 +1007,11 @@ public class LatinIME extends InputMethodService
		mTutorial = null;
		}

		void promoteToUserDictionary(String word, int frequency) {
		if (mUserDictionary.isValidWord(word)) return;
		mUserDictionary.addWord(word, frequency);
		}

		private void launchSettings() {
		handleClose();
		Intent intent = new Intent();
		@@ -1108,6 +1121,28 @@ public class LatinIME extends InputMethodService
		System.out.println("CPS = " + ((CPS_BUFFER_SIZE * 1000f) / total));
		}

		class AutoDictionary extends ExpandableDictionary {
		private static final int VALIDITY_THRESHOLD = 3;
		private static final int PROMOTION_THRESHOLD = 6;

		public AutoDictionary(Context context) {
		super(context);
		}

		@Override
		public boolean isValidWord(CharSequence word) {
		final int frequency = getWordFrequency(word);
		return frequency > VALIDITY_THRESHOLD;
		}

		@Override
		public void addWord(String word, int frequency) {
		super.addWord(word, 1);
		if (getWordFrequency(word) > PROMOTION_THRESHOLD) {
		LatinIME.this.promoteToUserDictionary(word, frequency);
		}
		}
		}
		}