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Code Issues Packages Projects Releases Wiki Activity

Hook up the volume parameter to a slider preference dialog.

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This commit is contained in:
Reece H. Dunn
2013-05-03 11:11:59 +01:00
parent 233da111db
commit ac6099ebf1
5 changed files with 179 additions and 20 deletions
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android/src/com/reecedunn/espeak/TtsSettingsActivity.java
+53 -20
View File
@@ -17,6 +17,8 @@
package com.reecedunn.espeak;
import android.content.Context;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.Bundle;
import android.preference.ListPreference;
@@ -25,6 +27,7 @@ import android.preference.Preference.OnPreferenceChangeListener;
import android.preference.PreferenceActivity;
import android.preference.PreferenceFragment;
import android.preference.PreferenceGroup;
import android.preference.PreferenceManager;
public class TtsSettingsActivity extends PreferenceActivity {
@Override
@@ -41,7 +44,7 @@ public class TtsSettingsActivity extends PreferenceActivity {
else
{
addPreferencesFromResource(R.xml.preferences);
fixListSummaries(getPreferenceScreen());
createPreferences(TtsSettingsActivity.this, getPreferenceScreen());
}
}
@@ -51,16 +54,40 @@ public class TtsSettingsActivity extends PreferenceActivity {
super.onCreate(savedInstanceState);
addPreferencesFromResource(R.xml.preferences);
fixListSummaries(getPreferenceScreen());
createPreferences(getActivity(), getPreferenceScreen());
}
}
private static Preference createPreference(Context context, SpeechSynthesis.Parameter parameter, String key, int titleRes) {
final String title = context.getString(titleRes);
final SeekBarPreference pref = new SeekBarPreference(context);
pref.setTitle(title);
pref.setDialogTitle(title);
pref.setKey(key);
pref.setOnPreferenceChangeListener(mOnPreferenceChanged);
pref.setPersistent(true);
pref.setMin(parameter.getMinValue());
pref.setMax(parameter.getMaxValue());
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
final String prefString = prefs.getString(key, null);
if (prefString == null) {
pref.setProgress(parameter.getDefaultValue());
} else {
pref.setProgress(Integer.parseInt(prefString));
}
return pref;
}
/**
* Since the "%s" summary is currently broken, this sets the preference
* change listener for all {@link ListPreference} views to fill in the
* summary with the current entry value.
*/
private static void fixListSummaries(PreferenceGroup group) {
private static void createPreferences(Context context, PreferenceGroup group) {
if (group == null) {
return;
}
@@ -71,34 +98,40 @@ public class TtsSettingsActivity extends PreferenceActivity {
final Preference preference = group.getPreference(i);
if (preference instanceof PreferenceGroup) {
fixListSummaries((PreferenceGroup) preference);
createPreferences(null, (PreferenceGroup) preference);
} else if (preference instanceof ListPreference) {
preference.setOnPreferenceChangeListener(mPreferenceChangeListener);
preference.setOnPreferenceChangeListener(mOnPreferenceChanged);
}
}
if (context == null) {
return;
}
SpeechSynthesis engine = new SpeechSynthesis(context, null);
group.addPreference(createPreference(context, engine.Volume, "espeak_volume", R.string.espeak_volume));
}
/**
* Listens for preference changes and updates the summary to reflect the
* current setting. This shouldn't be necessary, since preferences are
* supposed to automatically do this when the summary is set to "%s".
*/
private static final OnPreferenceChangeListener mPreferenceChangeListener =
private static final OnPreferenceChangeListener mOnPreferenceChanged =
new OnPreferenceChangeListener() {
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
if (preference instanceof ListPreference && newValue instanceof String) {
final ListPreference listPreference = (ListPreference) preference;
final int index = listPreference.findIndexOfValue((String) newValue);
final CharSequence[] entries = listPreference.getEntries();
if (newValue instanceof String) {
String summary = "";
if (preference instanceof ListPreference) {
final ListPreference listPreference = (ListPreference) preference;
final int index = listPreference.findIndexOfValue((String) newValue);
final CharSequence[] entries = listPreference.getEntries();
if (index >= 0 && index < entries.length) {
preference.setSummary(entries[index].toString().replaceAll("%", "%%"));
} else {
preference.setSummary("");
if (index >= 0 && index < entries.length) {
summary = entries[index].toString();
}
} else if (preference instanceof SeekBarPreference) {
summary = (String)newValue;
}
preference.setSummary(summary.replaceAll("%", "%%"));
}
return true;
}
};