public void intView(){
    preferenceScreen = getPreferenceScreen();
    mRingtone = (RingtonePreference) preferenceScreen.findPreference(KEY_RINGTONE);
    mFocus = (SwitchPreference) preferenceScreen.findPreference(KEY_FOCUS);
    mChangePassWord = (Preference) preferenceScreen.findPreference(KEY_PWD);
    mExitLogin = (Preference) preferenceScreen.findPreference(KEY_EXIT);
    Uri uri = Uri.parse(SPUtils.get(getActivity(), KEY_RINGTONE, "").toString());
    Log.i(TAG, "铃声" + getRingtonName(uri));
    if (getRingtonName(uri).equals("未知铃声")){
        mRingtone.setSummary("默认铃声");
    } else {
        mRingtone.setSummary(getRingtonName(uri));
    }
    mFocus.setChecked(getIsFocus(getActivity()));

}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
    } else if (preference instanceof EditTextPreference) {
        EditTextPreference editTextPreference = (EditTextPreference) preference;
        editTextPreference.setSummary(editTextPreference.getText());
    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.pref_notification);
    setHasOptionsMenu(true);

    // Bind the summaries of EditText/List/Dialog/Ringtone preferences
    // to their values. When their values change, their summaries are
    // updated to reflect the new value, per the Android Design
    // guidelines.
    bindPreferenceSummaryToValue(findPreference("notifications_new_message_ringtone"));
    preferenceScreen = getPreferenceScreen();
    sendNotificationPreference = (Preference) this.findPreference("notifications_send");
    sendNotificationWithDelayPreference = (Preference) this.findPreference("notifications_with_delay_send");
    switchPreference = (SwitchPreference) this.findPreference("notifications_new_message");
    ringtonePreference = (RingtonePreference) this.findPreference("notifications_new_message_ringtone");
    vibratePreference = (CheckBoxPreference) this.findPreference("notifications_new_message_vibrate");
    notificationsSlider = (SliderPreference) this.findPreference("notifications_slider");
    setNotificationPreferences();
    sendNotificationPreference.setOnPreferenceClickListener(sendNotificationListener);
    sendNotificationWithDelayPreference.setOnPreferenceClickListener(sendNotificationWithDelayListener);
    switchPreference.setOnPreferenceClickListener(switchPreferenceListener);
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
    } else if (preference instanceof EditTextPreference) {
        EditTextPreference editTextPreference = (EditTextPreference) preference;
        editTextPreference.setSummary(editTextPreference.getText());
    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
    } else if (preference instanceof EditTextPreference) {
        EditTextPreference editTextPreference = (EditTextPreference) preference;
        editTextPreference.setSummary(editTextPreference.getText());
    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
    } else if (preference instanceof EditTextPreference) {
        EditTextPreference editTextPreference = (EditTextPreference) preference;
        editTextPreference.setSummary(editTextPreference.getText());
    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
    } else if (preference instanceof EditTextPreference) {
        EditTextPreference editTextPreference = (EditTextPreference) preference;
        editTextPreference.setSummary(editTextPreference.getText());
    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();
    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);
        preference.setSummary(index >= 0 ? listPreference.getEntries()[index] : null);

    } else if (preference instanceof RingtonePreference) {
        if (TextUtils.isEmpty(stringValue)) {
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                preference.setSummary(null);
            } else {
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }
    } else {
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        Ringtone ringtone = RingtoneManager.getRingtone(
                preference.getContext(), Uri.parse(stringValue));

        if (ringtone == null) {
            // Clear the summary if there was a lookup error.
            preference.setSummary(null);
        } else {
            // Set the summary to reflect the new ringtone display
            // name.
            String name = ringtone.getTitle(preference.getContext());
            preference.setSummary(name);
        }
    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();
    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);
        preference.setSummary(
                index >= 0
                        ? listPreference.getEntries()[index]
                        : null);

    } else if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();
    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);
        preference.setSummary(
                index >= 0
                        ? listPreference.getEntries()[index]
                        : null);

    } else if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);

        preference.setSummary(
                index >= 0
                        ? listPreference.getEntries()[index]
                        : null);

    } else if (preference instanceof RingtonePreference) {
        if (TextUtils.isEmpty(stringValue)) {
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                preference.setSummary(null);
            } else {
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        preference.setSummary(stringValue);
    }
    return true;
}
 

private void setSummary(SharedPreferences prefs, String key) {
    Preference pref = findPreference(key);
    // Setting a ListPreference's summary value to "%s" in XML automatically updates the
    // preference's summary to display the selected value.
    if (pref instanceof RingtonePreference) {
        Uri ringtoneUri = Uri.parse(prefs.getString(key, ""));
        Ringtone ringtone = RingtoneManager.getRingtone(getActivity(), ringtoneUri);
        pref.setSummary(ringtone.getTitle(getActivity()));
    }
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();
    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);
        preference.setSummary(
                index >= 0
                        ? listPreference.getEntries()[index]
                        : null);

    } else if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);
        preference.setSummary(
                index >= 0
                        ? listPreference.getEntries()[index]
                        : null);

    } else if (preference instanceof RingtonePreference) {
        if (TextUtils.isEmpty(stringValue)) {
            preference.setSummary("Silent");
        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                preference.setSummary(null);
            } else {
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }
    } else {
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);
        preference.setSummary(
                index >= 0
                        ? listPreference.getEntries()[index]
                        : null);

    } else if (preference instanceof RingtonePreference) {
        if (TextUtils.isEmpty(stringValue)) {
            preference.setSummary("Silent");
        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                preference.setSummary(null);
            } else {
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }
    } else {
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();
    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);
        preference.setSummary(
                index >= 0
                        ? listPreference.getEntries()[index]
                        : null);

    } else if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    if (preference instanceof ListPreference) {
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);
        preference.setSummary(
                        index >= 0
                                ? listPreference.getEntries()[index]
                                : null);

    } else if (preference instanceof RingtonePreference) {
        if (TextUtils.isEmpty(stringValue)) {
            preference.setSummary(R.string.pref_ringtone_silent);
        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                preference.setSummary(null);
            } else {
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }
    } else {
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    addPreferencesFromResource(R.xml.settings);

    mChatRingtoneKey = getString(R.string.pref_chat_ringtone);
    mChatRingtonePreference = (RingtonePreference) findPreference(mChatRingtoneKey);
    mChatRingtonePreference.setOnPreferenceChangeListener(this);
    updateRingtonePreferenceSummary(SharedPreferenceHelper
                                            .getString(R.string.pref_chat_ringtone));
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
    String stringValue = newValue.toString();

    Log.d(TAG, "new value = " + newValue);

    if (preference instanceof ListPreference) {
        // For list preferences, look up the correct display newValue in
        // the preference's 'entries' list.
        ListPreference listPreference = (ListPreference) preference;
        int index = listPreference.findIndexOfValue(stringValue);

        // Set the summary to reflect the new newValue.
        preference.setSummary(
                index >= 0
                        ? listPreference.getEntries()[index]
                        : null);

    } else if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display newValue
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the newValue's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    int resId = 0;//getSummaryResId(preference.getKey());

    // Delegate setSummary to each preference type
    if (preference instanceof IPreference) {
        IPreference pref = (IPreference) preference;
        pref.setSummary(resId);
        return 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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // name.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}
 

@Override
public boolean onPreferenceChange(Preference preference, Object value) {
    String stringValue = value.toString();

    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 if (preference instanceof RingtonePreference) {
        // For ringtone preferences, look up the correct display value
        // using RingtoneManager.
        if (TextUtils.isEmpty(stringValue)) {
            // Empty values correspond to 'silent' (no ringtone).
            preference.setSummary(R.string.pref_ringtone_silent);

        } else {
            Ringtone ringtone = RingtoneManager.getRingtone(
                    preference.getContext(), Uri.parse(stringValue));

            if (ringtone == null) {
                // Clear the summary if there was a lookup error.
                preference.setSummary(null);
            } else {
                // Set the summary to reflect the new ringtone display
                // bookName.
                String name = ringtone.getTitle(preference.getContext());
                preference.setSummary(name);
            }
        }

    } else {
        // For all other preferences, set the summary to the value's
        // simple string representation.
        preference.setSummary(stringValue);
    }
    return true;
}