AccountSettings.java 文件源码

private void removeListEntry(ListPreference listPreference, String remove) {
    CharSequence[] entryValues = listPreference.getEntryValues();
    CharSequence[] entries = listPreference.getEntries();

    CharSequence[] newEntryValues = new String[entryValues.length - 1];
    CharSequence[] newEntries = new String[entryValues.length - 1];

    for (int i = 0, out = 0; i < entryValues.length; i++) {
        CharSequence value = entryValues[i];
        if (!value.equals(remove)) {
            newEntryValues[out] = value;
            newEntries[out] = entries[i];
            out++;
        }
    }

    listPreference.setEntryValues(newEntryValues);
    listPreference.setEntries(newEntries);
}