Example usage for android.preference Preference isPersistent

Introduction

In this page you can find the example usage for android.preference Preference isPersistent.

Prototype

public boolean isPersistent() 

Source Link

Document

Checks whether this Preference is persistent.

Usage

From source file:be.deadba.ampd.SettingsActivity.java

/**
 * A preference value change listener that updates the preference's summary
 * to reflect its new value./*  ww w .j a v  a 2 s  . c  o  m*/
 */
@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();
    String key = preference.getKey();
    Log.d(TAG, "onPreferenceChange: key: " + key + " / value: " + stringValue);

    if (preference.isPersistent()) {
        Editor editor = MPDConf.getSharedPreferences(this).edit();
        if (value instanceof Boolean)
            editor.putBoolean(key, (Boolean) value);
        else
            editor.putString(key, (String) value);
        editor.commit();
    }
    if (key.equals("run")) {
        mRunPreference = (TwoStatePreference) preference;
        mRun = stringValue.equals("true");
        onMPDStatePreferenceChange(false);
        return true;
    }
    if (key.equals("run_on_boot")) {
        mRunOnBootPreference = (TwoStatePreference) preference;
        mRunOnBoot = stringValue.equals("true");
        if (mRunOnBoot)
            mRun = true;
        onMPDStatePreferenceChange(false);
        return true;
    } else if (key.equals("wakelock")) {
        onMPDStatePreferenceChange(true);
        return true;
    } else if (key.equals("mpd_music_directory")) {
        File file = new File(stringValue);
        mDirValid = file.exists() && file.isDirectory() && file.canRead() && file.canExecute();
        onMPDStatePreferenceChange(true);
    } else if (key.equals("mpd_port")) {
        int port = 0;
        try {
            port = Integer.parseInt(stringValue);
        } catch (NumberFormatException e) {
        }
        mPortValid = port >= 1024 && port <= 65535;
        if (mPortValid)
            mPort = String.valueOf(port);
        onMPDStatePreferenceChange(true);
    } else if (key.equals("mpd_mixer")) {
        onMPDStatePreferenceChange(true);
        return true;
    } else if (key.equals("mpd_output")) {
        onMPDStatePreferenceChange(true);
    }
    if (preference instanceof ListPreference) {
        // For list preferences, look up the correct display value in
        // the preference's 'entries' list.
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);

        // Set the summary to reflect the new value.
        preference.setSummary(index >= 0 ? listPreference.getEntries()[index] : null);
    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }

    return true;
}

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