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Commit c37ce205 authored by shwetachahar's avatar shwetachahar Committed by android-build-merger
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Merge "Modify the pitch seekbar range to 25 to 400 in accordance with the... 

Merge "Modify the pitch seekbar range to 25 to 400 in accordance with the pitch range accepted by the Google Text-to-Speech engine." into nyc-dev
am: 1ec5f096

* commit '1ec5f096':
  Modify the pitch seekbar range to 25 to 400 in accordance with the pitch range accepted by the Google Text-to-Speech engine.

Change-Id: I8632218c26140d16bcc23dc46bab47ef2bd28f43
parents 676250e3 1ec5f096

src/com/android/settings/tts/TextToSpeechSettings.java

+29 −9
Original line number Diff line number Diff line
@@ -93,14 +93,15 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements 
    private static final int MAX_SPEECH_RATE = 600;



    /**

     * Maximum speech pitch value. Pitch value varies from 50 to 500, where 100

     * is the value for normal pitch. The max pitch value is set to 500, based on

     * feedback from a few accessibility users. The range for pitch is not set in stone,

     * Speech pitch value.

     * TTS pitch value varies from 25 to 400, where 100 is the value

     * for normal pitch. The max pitch value is set to 400, based on feedback from users

     * and the GoogleTTS pitch variation range. The range for pitch is not set in stone

     * and should be readjusted based on user need.

     *

     * This value should be kept in sync with the max value set in tts_settings xml.

     */

    private static final int MAX_SPEECH_PITCH = 500;

    private static final int MAX_SPEECH_PITCH = 400;

    private static final int MIN_SPEECH_PITCH = 25;



    private PreferenceCategory mEnginePreferenceCategory;

    private SeekBarPreference mDefaultPitchPref;
@@ -264,9 +265,9 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements 
        mDefaultRatePref.setOnPreferenceChangeListener(this);

        mDefaultRatePref.setMax(MAX_SPEECH_RATE);



        mDefaultPitchPref.setProgress(mDefaultPitch);

        mDefaultPitchPref.setProgress(getPitchSeekBarProgressFromSpeechPitchValue(mDefaultPitch));

        mDefaultPitchPref.setOnPreferenceChangeListener(this);

        mDefaultPitchPref.setMax(MAX_SPEECH_PITCH);

        mDefaultPitchPref.setMax(getPitchSeekBarProgressFromSpeechPitchValue(MAX_SPEECH_PITCH));



        mCurrentEngine = mTts.getCurrentEngine();
@@ -290,6 +291,24 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements 
        checkVoiceData(mCurrentEngine);

    }



    /**

     * The minimum pitch value should be > 0 but the minimum value of a seekbar in android

     * is fixed at 0. Therefore, we increment the seekbar progress with MIN_SPEECH_PITCH value

     * so that the minimum seekbar progress value is MIN_SPEECH_PITCH.

     *     PITCH_VALUE = MIN_SPEECH_PITCH + PITCH_SEEKBAR_PROGRESS

     */

    private int getSpeechPitchValueFromSeekBarProgress(int progress) {

        return MIN_SPEECH_PITCH + progress;

    }



    /**

     * Since we are appending the MIN_SPEECH_PITCH to the pitch seekbar progress, the pitch

     * seekbar progress should be set to (pitchValue - MIN_SPEECH_PITCH).

     */

    private int getPitchSeekBarProgressFromSpeechPitchValue(int pitchValue) {

        return pitchValue - MIN_SPEECH_PITCH;

    }



    /**

     * Called when the TTS engine is initialized.

     */
@@ -484,9 +503,10 @@ public class TextToSpeechSettings extends SettingsPreferenceFragment implements 
    @Override

    public boolean onPreferenceChange(Preference preference, Object objValue) {

        if (KEY_DEFAULT_RATE.equals(preference.getKey())) {

            updateSpeechRate(((Integer) objValue).intValue());

            updateSpeechRate((Integer) objValue);

        } else if (KEY_DEFAULT_PITCH.equals(preference.getKey())) {

            mDefaultPitch = ((Integer) objValue).intValue();

            int progress = (Integer) objValue;

            mDefaultPitch = getSpeechPitchValueFromSeekBarProgress(progress);

            try {

                android.provider.Settings.Secure.putInt(getContentResolver(),

                        TTS_DEFAULT_PITCH, mDefaultPitch);