map集合加载数据的处理

Create_WU

于 2017-11-01 10:42:21 发布

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本文链接：https://blog.youkuaiyun.com/WuChuangON/article/details/78411538

private HashMap<SettingsDefinitions.VideoResolution, List<SettingsDefinitions.VideoFrameRate>> fun(ResolutionAndFrameRate[] values) {
    HashMap<SettingsDefinitions.VideoResolution, List<SettingsDefinitions.VideoFrameRate>> resultMap = new HashMap<>();
    resultMap.clear();
    for (ResolutionAndFrameRate item : values) {
        SettingsDefinitions.VideoResolution resolution = item.getResolution();
        SettingsDefinitions.VideoFrameRate frameRate = item.getFrameRate();
        List<SettingsDefinitions.VideoFrameRate> list;
        if ((list = resultMap.get(resolution)) == null) {
            list = new ArrayList<>();
            resultMap.put(resolution, list);//put的设计地址值 ,所以list add数据就直接添加到map集合中
        }
        list.add(frameRate);
    }
    return resultMap;
}