Cache directory photo in app storage through CachedNumberLookupService

import com.android.dialer.service.CachedNumberLookupService.CachedContactInfo;

import com.android.dialerbind.ObjectFactory;

import java.io.IOException;

import java.io.InputStream;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.Locale;

        private void addCallerInfoIntoCache(CallerInfo ci, long directoryId) {

            if (ci.contactExists && mCachedNumberLookupService != null) {

                // 1. Cache caller info

                CachedContactInfo cachedContactInfo = CallerInfoUtils

                        .buildCachedContactInfo(mCachedNumberLookupService, ci);

                String directoryLabel = mContext.getString(R.string.directory_search_label);

                cachedContactInfo.setDirectorySource(directoryLabel, directoryId);

                mCachedNumberLookupService.addContact(mContext, cachedContactInfo);

                // 2. Cache photo

                if (ci.contactDisplayPhotoUri != null && ci.normalizedNumber != null) {

                    try (InputStream in = mContext.getContentResolver()

                            .openInputStream(ci.contactDisplayPhotoUri)) {

                        if (in != null) {

                            mCachedNumberLookupService.addPhoto(mContext, ci.normalizedNumber, in);

                        }

                    } catch (IOException e) {

                        Log.e(LOG_TAG, "failed to fetch directory contact photo", e);

                    }

                }

            }

        }