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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;
    }


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  • 原文地址:https://www.cnblogs.com/laughingQing/p/6204198.html
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