package com.luck.picture.lib.observable;
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import com.luck.picture.lib.entity.LocalMedia;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* @author：luck
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* @date：2017-1-12 21:30
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* @describe：解决预览时传值过大问题
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*/
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public class ImagesObservable {
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//观察者接口集合
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private List<LocalMedia> previewList;
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private static ImagesObservable sObserver;
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public static ImagesObservable getInstance() {
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if (sObserver == null) {
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synchronized (ImagesObservable.class) {
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if (sObserver == null) {
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sObserver = new ImagesObservable();
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}
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}
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}
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return sObserver;
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}
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/**
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* 存储图片用于预览时用
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*
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* @param previewList
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*/
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public void savePreviewMediaData(List<LocalMedia> previewList) {
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this.previewList = previewList;
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}
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/**
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* 读取预览的图片
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*/
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public List<LocalMedia> readPreviewMediaData() {
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if (previewList == null) {
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previewList = new ArrayList<>();
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}
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return previewList;
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}
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/**
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* 清空预览的图片
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*/
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public void clearPreviewMediaData() {
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if (previewList != null) {
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previewList.clear();
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}
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}
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}
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