android 实现类似qq未读消息点击循环显示

最新推荐文章于 2025-04-23 10:46:24 发布

TSHENQING

最新推荐文章于 2025-04-23 10:46:24 发布

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分类专栏： android

本文链接：https://blog.youkuaiyun.com/u010006895/article/details/88404321

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本文介绍了一种在Android应用中实现未读消息点击后循环显示的功能。通过遍历联系人记录列表查找带有未读标记的消息，并使列表视图跳转到这些消息的位置，实现了消息的高亮显示。

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android 实现类似qq未读消息点击循环显示

public void jumpUnread(boolean cycle) {
    List<ContactLogModel> dataList = adapter.getContactLogModelList();
int dataSize = dataList.size();

int position = 0;
if (cycle) {
        position = 0;
    } else {
        position = ListView().getFirstVisiblePosition();
    }
    ConfigInfo.logDebug(TAG, "1 .......... get view first item pos:" + position);

for (int i = position; i < dataSize; i++) {
        position++;
        ConfigInfo.logDebug(TAG, "2 ..........mode detail" + dataList.get(i).getUname() + ".....i" + i);
if (dataList.get(i).getUnread() > 0) {  // 未读处理
            ListView.setSelection(position);
            ConfigInfo.logDebug(TAG, "4 .............position" + position);
return;
        }
    }

if (position > 0) {
        jumpUnread(true);
    }
}

public void jumpUnread() {

    List<ContactLogModel> dataList = adapter.getContactLogModelList();
    int position = mPtrFrameLayout.getListView().getFirstVisiblePosition();
    ConfigInfo.logDebug(TAG, "1 .......... get view first item pos:" + position);
    for (int i = position; i < adapter.getCount(); i++) {
        ConfigInfo.logDebug(TAG, "2 ..........mode detail" + dataList.get(i).getUname() + ".....i" + i);
        if (dataList.get(i).getUnread() > 0) {  // 未读处理
            if(isListViewReachBottomEdge(mPtrFrameLayout.getListView())){
                reJumpUnread();
            }else{
                mPtrFrameLayout.getListView().setSelection(i + 1);
            }
            ConfigInfo.logDebug(TAG, "4 .............position" + position);
            return;
        }
    }
    reJumpUnread();
}


public void reJumpUnread() {
    for (int i = 0; i < adapter.getCount(); i++) {
        if (adapter.getItem(i).getUnread() > 0) {  // 未读处理
            mPtrFrameLayout.getListView().setSelection(i + 1);
            return;
        }
    }
}


public boolean isListViewReachBottomEdge(final AbsListView listView) {
    boolean result = false;
    if (listView.getLastVisiblePosition() == (listView.getCount() - 1)) {
        final View bottomChildView = listView.getChildAt(listView.getLastVisiblePosition() - listView.getFirstVisiblePosition());
        result = (listView.getHeight() >= bottomChildView.getBottom());
        ConfigInfo.logDebug(TAG,"..............."+result);
    };
    return result;
}

posted @ 2016-12-20 20:26 laughingQing 阅读(...) 评论(...) 编辑收藏