活動包含編輯文本,提交按鈕和從服務器獲取其數據的列表視圖。當我點擊,編輯文本,它滾動至底部,它應該是:添加項目後,ListView不會滾動到底部
editText.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
getWindow().setSoftInputMode(
WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
scrollMyListViewToBottom();
Log.i("yoyo","ListSize Before: " + size);
}
});
然而,當我點擊提交按鈕,列表視圖更新後,當notifydatasetchanged();
被調用,它不滾動到底部。如果您想知道CommentQuery();
會發生什麼,我可以提供更多代碼。
submitComment.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
commentItem = new ParseObject("CommentItem");
commentItem.put("parentUser", feedUserName);
commentItem.put("parentFeed", feedItem);
// commentItem.put("parentObjectId", objectId);
commentItem.put("commentText", String.valueOf(commentText.getText()));
commentItem.put("username", ParseUser.getCurrentUser().getUsername());
commentItem.put("country", ParseUser.getCurrentUser().getInt("country"));
commentItem.put((ParseUser.getCurrentUser().getUsername() + "globalPoints"), 0);
commentItem.put("parentObjectId", objectId);
replies +=1;
commentItem.saveInBackground(new SaveCallback() {
@Override
public void done(ParseException e) {
if (e == null) {
arrayCommentList.clear();
comments.clearCachedResult();
CommentQuery();
customCommentListViewAdapter.notifyDataSetChanged();
Log.i("yoyo","ListSize After: " + size); //size changes like it is supposed to
scrollMyListViewToBottom(); //doesn't do anything
}
}
});
}
});
scrollMyListViewToBottom()函數:
public void scrollMyListViewToBottom() {
commentList.post(new Runnable() {
@Override
public void run() {
// Select the last row so it will scroll into view...
commentList.setSelection(size);
}
});
}
CommentQuery功能:
public void CommentQuery(){
comments = new ParseQuery<>("CommentItem");
comments.setLimit(99);
comments.whereEqualTo("parentObjectId", objectId);
comments.findInBackground(new FindCallback<ParseObject>() {
@Override
public void done(List<ParseObject> mobjects, ParseException e) {
if(e == null){
for(ParseObject object : mobjects){
parseObs = mobjects;
size = parseObs.getsize();
commentData = new HashMap<>();
commentData.put("username", object.getString("username"));
commentData.put("feed", object.getString("commentText"));
commentData.put("likes", String.valueOf(object.getInt("likes")));
commentData.put("country", String.valueOf(object.getInt("country")));
commentData.put("replies", String.valueOf(0));
commentData.put("global", String.valueOf(object.getInt(usernameText+"globalPoints")));
arrayCommentList.add(commentData);
}
customCommentListViewAdapter = new CustomCommentListViewAdapter(getApplicationContext(), arrayCommentList);
commentList.setAdapter(customCommentListViewAdapter);
}
}
});
}
您似乎不會增加尺寸,所以我希望滾動保持不變。 –
如果你讀了日誌,它說'尺寸'就像它應該改變一樣。 @MattClark – grant
如果您發佈了日誌,或許我可以閱讀它並且知道它;) –