android-listview

问题 I am using PagerSlidingTabStrip to create a sliding tabs. I was successfully able to use this library in my project. Based on selected/clicked tab, the application should send a get request to server to fetch data and populate the list view. Every-time the tab is selected, http call would be made to server and list view will be updated. I just modify SuperAwesomeCardFragment.java in the sample: public class SuperAwesomeCardFragment extends ListFragment { private ListView listView; private

问题 I am using the StickyListHeadersListView android library from github for my application. It was working fine. After I implement MultiChoiceMode listener for copying and deleting elements, there is a problem in highlighting of elements. Whenever I select an element and scroll up and down, some Section Headers are highlighted automatically like shown in the image below How to avoid this behaviour. Is there any steps I'm missing? Need some hand in resolving the issue. My Adapter which extends

问题 I have converted Many Activities to Fragment, all are working fine except one. It gives Null Pointer Exception on setOnItemClickListener. I have checked many similar questions, but unable to figure out the problem. If anyone can provide correct code with explanation for problem. Problem is at this line as given by debugger: lv.setOnItemClickListener(new OnItemClickListener() { Following is Code: import java.text.DecimalFormat; import java.util.ArrayList; import java.util.HashMap; import org

问题 I have converted Many Activities to Fragment, all are working fine except one. It gives Null Pointer Exception on setOnItemClickListener. I have checked many similar questions, but unable to figure out the problem. If anyone can provide correct code with explanation for problem. Problem is at this line as given by debugger: lv.setOnItemClickListener(new OnItemClickListener() { Following is Code: import java.text.DecimalFormat; import java.util.ArrayList; import java.util.HashMap; import org

问题 I had a scenario where I need to handle the clicks of each list item one by one with out clicking on that item. Is there a possiblity in which I can achieve this scenario. Can anyone help me is sorting out this issue. Thanks in Advance 回答1: mList.performItemClick( myList.getAdapter().getView(position,null,null),position,myList.getAdapter().getItemId(position)); here position is your click position or simply you can do this mList.getAdapter().getView(position, null, null).performClick(); 回答2:

问题 I am populating listview dynamically i want when activity is created it take the focus to the specific item of the listview. like in facebook app from notification it takes on the specific row of the comments. 回答1: if your listview extends Activity try : listviewName.setSelection(positionOfItem); and if your listview extends ListActivity try : getListView().setSelection(positionOfItem); example for my chat application, Listview must be focused at the last row so i just put this code after

问题 I was looking for an example/tutorial to insert datas in a sqlLite db and display the datas in a listview. Well this is a good example: http://androidsolution4u.blogspot.it/2013/09/android-populate-listview-from-sqlite.html And it works. I implemented the code in mine and works. The problem is that if i want insert another one filed nothing appears in the listview and the activity is empty.I added a field called address as string like the others and in every part of code i added what is need

问题 I recently started with android and I encountered an issue that I can't find what is causing it. I am using the standard template for Master/Slave flow. Layout: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_marginLeft="16dp" android:layout_marginRight="16dp" android:baselineAligned="false" android:divider="?android:attr

问题 I have a Fragment and a ListFragment both under a FragmentActivitiy. When I am in the Fragment, and I want to swipe to the ListFragment, how do I get the ListView to update? Basically, I have an insert button/EditText in the Fragment and the user will insert new info. I want to swipe to the ListFragment and then dynamically SEE that new info. The only way to get it to refresh is by backing out of the parent activity and entering again. I see there are methods onTabSelected or onTabReselected,

问题 I would like to change the text color of only one item in a listview. This change will be triggered by the result of a running asynctask. So far I searched on google and all I found was to overwrite the getView() function of the adapter, but this approach is kind of hard since I would need to keep the id of the rows I want to color in a global variable that will be accessed by getView(). Is there another way to simply set the text color of an item from a listview when an event happens ? EDIT