/**
* 启用或禁用加载更多的功能.
*
* @param enable
*/
public void setPullLoadEnable(boolean enable) {
mEnablePullLoad = enable;
if (!mEnablePullLoad) {
mFooterView.hide(); // 隐藏
mPullLoading = false;
mFooterView.setState(XListViewFooter.STATE_NORMAL);
// both "上拉" 和 "点击" 将调用加载更多.
mFooterView.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
startLoadMore();
}
});
} else {
mPullLoading = false;
mFooterView.show(); // 显示
mFooterView.setState(XListViewFooter.STATE_NORMAL);
// both "上拉" 和 "点击" 将调用加载更多.
mFooterView.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
startLoadMore();
}
});
}
}
// 改变底部视图高度
private void updateFooterHeight(float delta) {
int height = mFooterView.getBottomMargin() + (int) delta;
if (mEnablePullLoad && !mPullLoading) {
if (height > PULL_LOAD_MORE_DELTA) { // 高度足以调用加载更多
mFooterView.setState(XListViewFooter.STATE_READY);
} else {
mFooterView.setState(XListViewFooter.STATE_NORMAL);
}
}
mFooterView.setBottomMargin(height);
// setSelection(mTotalItemCount - 1); // scroll to bottom
}
private void startLoadMore() {
mPullLoading = true;
mFooterView.setState(XListViewFooter.STATE_LOADING);
if (mListViewListener != null) {
mListViewListener.onLoadMore();
}
}
/**
* enable or disable pull up load more feature.
*
* @param enable
*/
public void setPullLoadEnable(boolean enable) {
mEnablePullLoad = enable;
if (!mEnablePullLoad) {
mFooterView.hide();
mFooterView.setOnClickListener(null);
} else {
mPullLoading = false;
mFooterView.show();
mFooterView.setState(XListViewFooter.STATE_NORMAL);
// both "pull up" and "click" will invoke load more.
mFooterView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
startLoadMore();
}
});
}
}
/** stop load more, reset footer view. */
public void stopLoadMore() {
if (mPullLoading == true) {
mPullLoading = false;
mFooterView.setState(XListViewFooter.STATE_NORMAL);
}
}
public void loadComplete() {
if (mPullLoading == true) {
mFooterView.setState(XListViewFooter.STATE_COMPLETE);
}
}