SettingsFragment.java 文件源码

@Override
public void addPreferencesFromResource(@XmlRes int preferencesResId) {
    super.addPreferencesFromResource(preferencesResId);

    Executor executor = (runnable) -> new Thread(runnable).start();

    ProviderInfoRetriever.OnProviderInfoReceivedCallback callback = new ProviderInfoRetriever.OnProviderInfoReceivedCallback() {
        @Override
        public void onProviderInfoReceived(int i, @Nullable ComplicationProviderInfo complicationProviderInfo) {
            setComplicationSummary(i, complicationProviderInfo);
        }
    };

    mProviderInfoRetriever = new ProviderInfoRetriever(mContext, executor);

    mProviderInfoRetriever.init();
    mProviderInfoRetriever.retrieveProviderInfo(callback,
            new ComponentName(mContext, IOClassicWatchFaceService.class),
            IOClassicWatchFaceService.COMPLICATION_IDS);
}