Revert "Next-word suggestion bit in keyboard settings."

This reverts commit 1ae16dc3db.

Bug 19596067.

Change-Id: Ie7286acbb70b215d7bd08e271bcf14526b68576f
This commit is contained in:
Dan Zivkovic 2015-03-13 14:50:54 -07:00
parent 180a1e363f
commit 5455179b54
11 changed files with 101 additions and 15 deletions

View file

@ -20,6 +20,9 @@
<resources>
<bool name="config_block_potentially_offensive">true</bool>
<!-- Default value for next word prediction: after entering a word and a space only, should we
look at input history to suggest a hopefully helpful suggestions for the next word? -->
<bool name="config_default_next_word_prediction">true</bool>
<integer name="config_delay_in_milliseconds_to_update_shift_state">100</integer>
<integer name="config_double_space_period_timeout">1100</integer>

View file

@ -157,6 +157,11 @@
<!-- Option to suggest auto correction suggestions very aggressively. Auto-corrects to a word which has even large edit distance from typed word. [CHAR LIMIT=20] -->
<string name="auto_correction_threshold_mode_very_aggressive">Very aggressive</string>
<!-- Option to enable using next word suggestions. After the user types a space, with this option on, the keyboard will try to predict the next word. -->
<string name="bigram_prediction">Next-word suggestions</string>
<!-- Description for "next word suggestion" option. This displays suggestions even when there is no input, based on the previous word. -->
<string name="bigram_prediction_summary">Use the previous word in making suggestions</string>
<!-- Option to enable gesture input. The user can input a word by tracing the letters of a word without releasing the finger from the screen. [CHAR LIMIT=30]-->
<string name="gesture_input">Enable gesture typing</string>
<!-- Description for "gesture_input" option. The user can input a word by tracing the letters of a word without releasing the finger from the screen. [CHAR LIMIT=65]-->

View file

@ -65,4 +65,10 @@
android:summary="@string/use_contacts_dict_summary"
android:defaultValue="true"
android:persistent="true" />
<CheckBoxPreference
android:key="next_word_prediction"
android:title="@string/bigram_prediction"
android:summary="@string/bigram_prediction_summary"
android:defaultValue="true"
android:persistent="true" />
</PreferenceScreen>

View file

@ -1530,7 +1530,11 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
// punctuation suggestions (if it's disabled).
@Override
public void setNeutralSuggestionStrip() {
setSuggestedWords(SuggestedWords.getEmptyInstance());
final SettingsValues currentSettings = mSettings.getCurrent();
final SuggestedWords neutralSuggestions = currentSettings.mBigramPredictionEnabled
? SuggestedWords.getEmptyInstance()
: currentSettings.mSpacingAndPunctuations.mSuggestPuncList;
setSuggestedWords(neutralSuggestions);
}
// TODO: Make this private

View file

@ -1395,6 +1395,11 @@ public final class InputLogic {
return;
}
if (!mWordComposer.isComposingWord() && !settingsValues.mBigramPredictionEnabled) {
mSuggestionStripViewAccessor.setNeutralSuggestionStrip();
return;
}
final AsyncResultHolder<SuggestedWords> holder = new AsyncResultHolder<>();
mInputLogicHandler.getSuggestedWords(inputStyle, SuggestedWords.NOT_A_SEQUENCE_NUMBER,
new OnGetSuggestedWordsCallback() {

View file

@ -19,10 +19,12 @@ package com.android.inputmethod.latin.settings;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.os.Build;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import com.android.inputmethod.dictionarypack.DictionarySettingsActivity;
@ -59,6 +61,8 @@ public final class CorrectionSettingsFragment extends SubScreenFragment {
final Context context = getActivity();
final PackageManager pm = context.getPackageManager();
ensureConsistencyOfAutoCorrectionSettings();
final Preference dictionaryLink = findPreference(Settings.PREF_CONFIGURE_DICTIONARIES_KEY);
final Intent intent = dictionaryLink.getIntent();
intent.setClassName(context.getPackageName(), DictionarySettingsActivity.class.getName());
@ -78,6 +82,19 @@ public final class CorrectionSettingsFragment extends SubScreenFragment {
}
}
@Override
public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) {
ensureConsistencyOfAutoCorrectionSettings();
}
private void ensureConsistencyOfAutoCorrectionSettings() {
final CheckBoxPreference autoCorrectionPref = (CheckBoxPreference) findPreference(
Settings.PREF_AUTO_CORRECTION);
if (!autoCorrectionPref.isChecked()) {
setPreferenceEnabled(Settings.PREF_BIGRAM_PREDICTIONS, false);
}
}
private void overwriteUserDictionaryPreference(final Preference userDictionaryPreference) {
final Activity activity = getActivity();
final TreeSet<String> localeList = UserDictionaryList.getUserDictionaryLocalesSet(activity);

View file

@ -83,6 +83,7 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
// TODO: consolidate key preview dismiss delay with the key preview animation parameters.
public static final String PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY =
"pref_key_preview_popup_dismiss_delay";
public static final String PREF_BIGRAM_PREDICTIONS = "next_word_prediction";
public static final String PREF_GESTURE_INPUT = "gesture_input";
public static final String PREF_VIBRATION_DURATION_SETTINGS =
"pref_vibration_duration_settings";

View file

@ -73,6 +73,8 @@ public class SettingsValues {
public final boolean mUsePersonalizedDicts;
public final boolean mUseDoubleSpacePeriod;
public final boolean mBlockPotentiallyOffensive;
// Use bigrams to predict the next word when there is no input for it yet
public final boolean mBigramPredictionEnabled;
public final boolean mGestureInputEnabled;
public final boolean mGestureTrailEnabled;
public final boolean mGestureFloatingPreviewTextEnabled;
@ -149,6 +151,7 @@ public class SettingsValues {
final String autoCorrectionThresholdRawValue = mAutoCorrectEnabled
? res.getString(R.string.auto_correction_threshold_mode_index_modest)
: res.getString(R.string.auto_correction_threshold_mode_index_off);
mBigramPredictionEnabled = readBigramPredictionEnabled(prefs, res);
mDoubleSpacePeriodTimeout = res.getInteger(R.integer.config_double_space_period_timeout);
mHasHardwareKeyboard = Settings.readHasHardwareKeyboard(res.getConfiguration());
mEnableMetricsLogging = prefs.getBoolean(Settings.PREF_ENABLE_METRICS_LOGGING, true);
@ -302,6 +305,12 @@ public class SettingsValues {
return prefs.getBoolean(Settings.PREF_SHOW_SUGGESTIONS, true);
}
private static boolean readBigramPredictionEnabled(final SharedPreferences prefs,
final Resources res) {
return prefs.getBoolean(Settings.PREF_BIGRAM_PREDICTIONS, res.getBoolean(
R.bool.config_default_next_word_prediction));
}
private static float readAutoCorrectionThreshold(final Resources res,
final String currentAutoCorrectionSetting) {
final String[] autoCorrectionThresholdValues = res.getStringArray(
@ -379,6 +388,8 @@ public class SettingsValues {
sb.append("" + mUseDoubleSpacePeriod);
sb.append("\n mBlockPotentiallyOffensive = ");
sb.append("" + mBlockPotentiallyOffensive);
sb.append("\n mBigramPredictionEnabled = ");
sb.append("" + mBigramPredictionEnabled);
sb.append("\n mGestureInputEnabled = ");
sb.append("" + mGestureInputEnabled);
sb.append("\n mGestureTrailEnabled = ");

View file

@ -502,11 +502,9 @@ public class InputLogicTests extends InputTestsBase {
type(" ");
sleep(DELAY_TO_WAIT_FOR_PREDICTIONS_MILLIS);
runMessages();
// Corrections have been replaced with predictions.
// Test the predictions have been cleared
SuggestedWords suggestedWords = mLatinIME.getSuggestedWordsForTest();
String word = suggestedWords == null ? null : suggestedWords.getWord(0);
assertTrue("predictions after double-space-to-period is I or The",
"I".equals(word) || "The".equals(word));
assertEquals("predictions cleared after double-space-to-period", suggestedWords.size(), 0);
type(Constants.CODE_DELETE);
sleep(DELAY_TO_WAIT_FOR_PREDICTIONS_MILLIS);
runMessages();
@ -529,6 +527,23 @@ public class InputLogicTests extends InputTestsBase {
suggestedWords.size() > 0 ? suggestedWords.getWord(0) : null);
}
public void testPredictionsAfterPeriod() {
mLatinIME.clearPersonalizedDictionariesForTest();
final String WORD_TO_TYPE = "Barack. ";
type(WORD_TO_TYPE);
sleep(DELAY_TO_WAIT_FOR_PREDICTIONS_MILLIS);
runMessages();
SuggestedWords suggestedWords = mLatinIME.getSuggestedWordsForTest();
assertEquals("No prediction after period after inputting once.", 0, suggestedWords.size());
type(WORD_TO_TYPE);
sleep(DELAY_TO_WAIT_FOR_PREDICTIONS_MILLIS);
runMessages();
suggestedWords = mLatinIME.getSuggestedWordsForTest();
assertEquals("Beginning-of-Sentence prediction after inputting 2 times.", "Barack",
suggestedWords.size() > 0 ? suggestedWords.getWord(0) : null);
}
public void testPredictionsAfterRecorrection() {
final String PREFIX = "A ";
final String WORD_TO_TYPE = "Barack";

View file

@ -78,6 +78,7 @@ public class InputTestsBase extends ServiceTestCase<LatinIMEForTests> {
protected View mInputView;
protected InputConnection mInputConnection;
private boolean mPreviousAutoCorrectSetting;
private boolean mPreviousBigramPredictionSettings;
// A helper class to ease span tests
public static class SpanGetter {
@ -200,6 +201,8 @@ public class InputTestsBase extends ServiceTestCase<LatinIMEForTests> {
setupService();
mLatinIME = getService();
setDebugMode(true);
mPreviousBigramPredictionSettings = setBooleanPreference(Settings.PREF_BIGRAM_PREDICTIONS,
true, true /* defaultValue */);
mPreviousAutoCorrectSetting = setBooleanPreference(Settings.PREF_AUTO_CORRECTION,
DEFAULT_AUTO_CORRECTION, DEFAULT_AUTO_CORRECTION);
mLatinIME.onCreate();
@ -230,6 +233,8 @@ public class InputTestsBase extends ServiceTestCase<LatinIMEForTests> {
mLatinIME.onFinishInput();
runMessages();
mLatinIME.mHandler.removeAllMessages();
setBooleanPreference(Settings.PREF_BIGRAM_PREDICTIONS, mPreviousBigramPredictionSettings,
true /* defaultValue */);
setBooleanPreference(Settings.PREF_AUTO_CORRECTION, mPreviousAutoCorrectSetting,
DEFAULT_AUTO_CORRECTION);
setDebugMode(false);

View file

@ -19,23 +19,37 @@ package com.android.inputmethod.latin;
import android.provider.Settings.Secure;
import android.test.suitebuilder.annotation.LargeTest;
import com.android.inputmethod.latin.R;
@LargeTest
public class PunctuationTests extends InputTestsBase {
final String NEXT_WORD_PREDICTION_OPTION = "next_word_prediction";
public void testWordThenSpaceThenPunctuationFromStripTwice() {
final String WORD_TO_TYPE = "this ";
final String PUNCTUATION_FROM_STRIP = "!";
final String EXPECTED_RESULT = "this!! ";
mLatinIME.loadSettings();
type(WORD_TO_TYPE);
sleep(DELAY_TO_WAIT_FOR_UNDERLINE_MILLIS);
runMessages();
assertTrue("type word then type space should display punctuation strip",
mLatinIME.getSuggestedWordsForTest().isPunctuationSuggestions());
pickSuggestionManually(PUNCTUATION_FROM_STRIP);
pickSuggestionManually(PUNCTUATION_FROM_STRIP);
assertEquals("type word then type space then punctuation from strip twice",
EXPECTED_RESULT, mEditText.getText().toString());
final boolean defaultNextWordPredictionOption =
mLatinIME.getResources().getBoolean(R.bool.config_default_next_word_prediction);
final boolean previousNextWordPredictionOption =
setBooleanPreference(NEXT_WORD_PREDICTION_OPTION, false,
defaultNextWordPredictionOption);
try {
mLatinIME.loadSettings();
type(WORD_TO_TYPE);
sleep(DELAY_TO_WAIT_FOR_UNDERLINE_MILLIS);
runMessages();
assertTrue("type word then type space should display punctuation strip",
mLatinIME.getSuggestedWordsForTest().isPunctuationSuggestions());
pickSuggestionManually(PUNCTUATION_FROM_STRIP);
pickSuggestionManually(PUNCTUATION_FROM_STRIP);
assertEquals("type word then type space then punctuation from strip twice",
EXPECTED_RESULT, mEditText.getText().toString());
} finally {
setBooleanPreference(NEXT_WORD_PREDICTION_OPTION, previousNextWordPredictionOption,
defaultNextWordPredictionOption);
}
}
public void testWordThenSpaceThenPunctuationFromKeyboardTwice() {