diff options
Diffstat (limited to 'java/src/com/android/inputmethod/latin/ContactsDictionary.java')
-rw-r--r-- | java/src/com/android/inputmethod/latin/ContactsDictionary.java | 115 |
1 files changed, 70 insertions, 45 deletions
diff --git a/java/src/com/android/inputmethod/latin/ContactsDictionary.java b/java/src/com/android/inputmethod/latin/ContactsDictionary.java index 15edb706a..95a3b5c7d 100644 --- a/java/src/com/android/inputmethod/latin/ContactsDictionary.java +++ b/java/src/com/android/inputmethod/latin/ContactsDictionary.java @@ -20,9 +20,10 @@ import android.content.ContentResolver; import android.content.Context; import android.database.ContentObserver; import android.database.Cursor; -import android.os.AsyncTask; import android.os.SystemClock; import android.provider.ContactsContract.Contacts; +import android.text.TextUtils; +import android.util.Log; public class ContactsDictionary extends ExpandableDictionary { @@ -31,27 +32,37 @@ public class ContactsDictionary extends ExpandableDictionary { Contacts.DISPLAY_NAME, }; + private static final String TAG = "ContactsDictionary"; + + /** + * Frequency for contacts information into the dictionary + */ + private static final int FREQUENCY_FOR_CONTACTS = 128; + private static final int FREQUENCY_FOR_CONTACTS_BIGRAM = 90; + private static final int INDEX_NAME = 1; private ContentObserver mObserver; private long mLastLoadedContacts; - public ContactsDictionary(Context context) { - super(context); + public ContactsDictionary(Context context, int dicTypeId) { + super(context, dicTypeId); // Perform a managed query. The Activity will handle closing and requerying the cursor // when needed. ContentResolver cres = context.getContentResolver(); - cres.registerContentObserver(Contacts.CONTENT_URI, true, mObserver = new ContentObserver(null) { - @Override - public void onChange(boolean self) { - setRequiresReload(true); - } - }); + cres.registerContentObserver( + Contacts.CONTENT_URI, true,mObserver = new ContentObserver(null) { + @Override + public void onChange(boolean self) { + setRequiresReload(true); + } + }); loadDictionary(); } + @Override public synchronized void close() { if (mObserver != null) { getContext().getContentResolver().unregisterContentObserver(mObserver); @@ -71,10 +82,14 @@ public class ContactsDictionary extends ExpandableDictionary { @Override public void loadDictionaryAsync() { - Cursor cursor = getContext().getContentResolver() - .query(Contacts.CONTENT_URI, PROJECTION, null, null, null); - if (cursor != null) { - addWords(cursor); + try { + Cursor cursor = getContext().getContentResolver() + .query(Contacts.CONTENT_URI, PROJECTION, null, null, null); + if (cursor != null) { + addWords(cursor); + } + } catch(IllegalStateException e) { + Log.e(TAG, "Contacts DB is having problems"); } mLastLoadedContacts = SystemClock.uptimeMillis(); } @@ -83,45 +98,55 @@ public class ContactsDictionary extends ExpandableDictionary { clearDictionary(); final int maxWordLength = getMaxWordLength(); - if (cursor.moveToFirst()) { - while (!cursor.isAfterLast()) { - String name = cursor.getString(INDEX_NAME); - - if (name != null) { - int len = name.length(); - - // TODO: Better tokenization for non-Latin writing systems - for (int i = 0; i < len; i++) { - if (Character.isLetter(name.charAt(i))) { - int j; - for (j = i + 1; j < len; j++) { - char c = name.charAt(j); - - if (!(c == '-' || c == '\'' || - Character.isLetter(c))) { - break; + try { + if (cursor.moveToFirst()) { + while (!cursor.isAfterLast()) { + String name = cursor.getString(INDEX_NAME); + + if (name != null) { + int len = name.length(); + String prevWord = null; + + // TODO: Better tokenization for non-Latin writing systems + for (int i = 0; i < len; i++) { + if (Character.isLetter(name.charAt(i))) { + int j; + for (j = i + 1; j < len; j++) { + char c = name.charAt(j); + + if (!(c == '-' || c == '\'' || + Character.isLetter(c))) { + break; + } } - } - - String word = name.substring(i, j); - i = j - 1; - // Safeguard against adding really long words. Stack - // may overflow due to recursion - // Also don't add single letter words, possibly confuses - // capitalization of i. - final int wordLen = word.length(); - if (wordLen < maxWordLength && wordLen > 1) { - super.addWord(word, 128); + String word = name.substring(i, j); + i = j - 1; + + // Safeguard against adding really long words. Stack + // may overflow due to recursion + // Also don't add single letter words, possibly confuses + // capitalization of i. + final int wordLen = word.length(); + if (wordLen < maxWordLength && wordLen > 1) { + super.addWord(word, FREQUENCY_FOR_CONTACTS); + if (!TextUtils.isEmpty(prevWord)) { + // TODO Do not add email address + // Not so critical + super.setBigram(prevWord, word, + FREQUENCY_FOR_CONTACTS_BIGRAM); + } + prevWord = word; + } } } } + cursor.moveToNext(); } - - cursor.moveToNext(); } + cursor.close(); + } catch(IllegalStateException e) { + Log.e(TAG, "Contacts DB is having problems"); } - cursor.close(); } - } |