android-listview

问题 I am unable to remove an object in a ListView. I have been trying to remove an object from an adapter, and then call onDataSetChanged(); but it does not seem to ever remove the object from the screen. I can successfully remove the object from the database, but the object persists on screen regardless. I believe that because the view does not refresh properly, it allows me to continue to swipe-to-dismiss the items in the list and eventually leads to an IndexOutOfBoundsException. Does anyone

问题 Hey I am stuck with 1 thing that I want a view like this : where in a listview I can select multiple items and whichever item I can select I can change the backgrond color and also add that item into the arraylist so that I can use it further.. Anyone please help me in this?? EDIT: Am using it like this: ArrayAdapter<String> part_list_adapter=new ArrayAdapter<String>(AssetSearch.this, R.layout.part_list,R.id.label,part_array_list); PartNumber_List.setAdapter(part_list_adapter); PartNumber

问题 I am a new to Android,I have a Listview with some items, each item contains string of size 20 characters(1st character to 16th character are same).I have to add search option to list view in such a way that,depending on last 4 characters only the list should filter. I have seen many sites but i couldn't find. ex: list items : 123456789ABCD1 list items : 123456789EFGH2 list items : 123456789IJKL3 list items : 123456789MNOP4 if i use @Override public void afterTextChanged(Editable s) { // TODO

问题 My title might seems unclear to you. Due to new in Java and lack of logic I want to ask you simple thing. I have a Activity class, where there is list of trainings with two text views and one image view. OnClick to the listView I want to go to the next activity in some conditions. That condition you can see below in code. Activity class; public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { currentTraining = (Training) arg0.getAdapter().getItem(arg2); SharedMemory

问题 I wanted to create a seeker bar with 2 thumbs and a textview showing the min and max value. Therefore i refer to this tutorial https://code.google.com/p/range-seek-bar/#Example_usage_as_Integer_range?. However, during runtime, the textview does not change when the thumbs is being dragged. My project is made up of 2 java activity. Main activity as attached below and RangeSeekBar.java which is exactly the same as in the tutorial.Kindly seek your advice. MainActivity.java package com.example

问题 I need to show multiple text views in only one list item and the rest of the list view items will have just one textview. How do I achieve this? Any samples or tutorials you can point me at? Thank you. 回答1: Make your own adapter: BaseAdapter already provieds methods for working with different View types (different layout for list item cells) and to effektivly recycle views: getViewTypeCount(): The count of how many different Views (layouts) are present. getItemViewType(): Returns a integer to

问题 I am building an Android application where I am fetching data from a local DB and displaying it in a custom ListView . Now the problem is I want to use LinearLayout in place of ListView as a scroll problem. Below my code that I am using for listView . Declaration in activity - lv = (ListView) findViewById(R.id.listView1); adapter = new CustomAdapter(this, dbh.fetchAllRec(), CursorAdapter.NO_SELECTION); lv.setAdapter(adapter); CustomListView - public class CustomAdapter extends CursorAdapter {

问题 I'm having a tough time understanding the documentation for endless adapter I tried following these quick steps by Commonsware to no avail: How can I use a custom adapter with the cwac-endless adapter? So, first, you get your custom adapter working correctly on its own. Then, you create your EndlessAdapter subclass (with your implementation of cacheInBackground(), etc.), wrap your custom adapter in an instance of your EndlessAdapter subclass, and put your instance of your EndlessAdapter

问题 I have two datetimes 12/01/2014 and 12/10/2014.i changed datetime format and i also checked different between there two datetime and i also incremented days between there datetimes.for more information 1 dec,2 dec,3 dec .....10 dec this is a my source public class MoviesRolls extends Fragment { public final static String TAG = MoviesRolls.class.getSimpleName(); private ListView holllistview; private HollAdapters adapter; public static ArrayList<CinemaInfoModel> cinemaInfoArray; public static

问题 I am trying to create an alarm system for my android app, and I have a listview in which I am adding the alamrs. This listview adapter is an simple_list_item_multiple_choice . I want that when I add an alarm this appears as checked in the listview , but I have not found the solution for that. This code is not working as I expected: { ListView list = (ListView)findViewById(R.id.listView1); list.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE); ArrayAdapter<String> adapter = new ArrayAdapter<String