SettingsFragment.java 文件源码

@Override
public void onCreate(Bundle paramBundle) {
    super.onCreate(paramBundle);
    addPreferencesFromResource(R.xml.settings_preferences);

    mMultiSelectListPreference = (MultiSelectListPreference) findPreference("select_apply_on_boot");
    ArrayList<CharSequence> entries = new ArrayList<>();
    entries.add(getString(R.string.cpu_frequency));
    if (GpuUtils.isGpuFrequencyScalingSupported()) {
        entries.add(getString(R.string.gpu_frequency));
    }
    entries.add(getString(R.string.io));
    entries.add(getString(R.string.build_prop));
    entries.add(getString(R.string.vm));

    CharSequence[] charSequences = new CharSequence[entries.size()];
    for (int i = 0; i < entries.size(); i++) {
        charSequences[i] = entries.get(i);
    }
    mMultiSelectListPreference.setEntries(charSequences);
    mMultiSelectListPreference.setEntryValues(charSequences);
}