android-listview

问题 I am making a checklist type app in Android, in which I am populating items in a list view with a check box next to them. when a user clicks on an item I want it to strike out the text and update the entry in the database for the relevant column. For this reason I am storing Name-Value pairs in a TreeMap. Where Name corresponds to the Database Column Name and Value to the value in that Column name. I have achieved this using the following: if ((c.getString(c.getColumnIndexOrThrow("Field130"))

问题 Activity that is sending the putExtra() @Override protected void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); final Intent intent = new Intent(); // Set up different intents based on the item clicked: switch (position) { case ACTIVITY_0: intent.putExtra("Value1", "Display this text!"); intent.setClass(this, com.a.someclass.class); } startActivityForResult(intent, position); } Activity receiving the putExtra() @Override protected void

问题 I checked all the previous questions regarding this issue , but none of them are helpfull to me . My listview is not responding , i tried changing this list.setOnItemClickListener(new ContactsListItemClickListener(this)); to list.setOnItemClickListener(this); by making my PrioritiseContacts activity just imeplement OnItemClickListener , but then too its not working . The activity is successfully running , but i am unable to listen for listclick events. How to correct this? Here is my class :

问题 I am trying to modify this example (code) so that when an item is added to listview, listview scrolls at the same time when new item is added. The default behaviour is first listview make space for new item and then new item is added. I am getting most of the things right but the problem is listview doesn't scrolls to the last added item. It just animate within the currently displayed views. This is the github repo for full code Here is the code of listview and adapter public class

问题 after login page I want show the A for Apple,B for Boy....ect upto F..in listview. But in my application i login success fully only login table is created success fully but mainmenu is not created.. i want create mainmenu table in test database after that i want fetch the data from mainmenu table to listview in android i try this code if(username.length()>0&&password.length()>0) { SQLiteAdapter db=new SQLiteAdapter(Main.this); db.openToWrite(); if(db.Login(username,password)) { System.out

问题 I have one NavigationDrawer in my Application and I have five items in my drawer: Home Accounts stock help logout Now if user click on logout it is displaying two items: Home Login Now the issue is when user click on login it always getting view of Accounts public class MainActivity extends FragmentActivity { private DrawerLayout mDrawerLayout; private ListView mDrawerList; private ActionBarDrawerToggle mDrawerToggle; private String abc; private Intent ii; // nav drawer title private

问题 I have a xml file which contains basic layout for each row of ListView(which is a realtive layout and has TextView inside it). I want to change the attributes of this layout for each row of ListView like different layout width and height of each row. I want to set the values of width and height dynamically. Is there any way around to do this? My xml file which I want to change, height and weight dynamically, for each view <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android=

问题 I write a customized item layout for a listview. The layout has many widgets and some will have its own clicklistener. When I click the row, sometimes the listview' s onListItemClick work, but sometimes not. After I spent some time searching, I find a way, setting android:descendantFocusability="blocksDescendants" in the layout' s root. It works, but only one textview cannot work,(the clickable, fucusable attr have been tried). In the list' s adapter, I set the textview' s onClickListener, it

问题 I am having an unexpected bothering issue with a remote listview. My app has a simple widget which includes a listview. If the listview has 1 cell height and the listview is at the beginning of its scroll it blinks/flahses everytime datasetchanged is called. The funny thing is that if the listview has more than 1 cell height or if it has 1 cell height BUT it has been scrolled down a bit it doesnt blink. Could anybody please provide some suggestion? I am frustrated. Solutions I have thought so

问题 I'm trying to populate listview from my SQLite database... this is how I get my data from database: Cursor c = database.rawQuery("SELECT * FROM " + TableName, null); int Column1 = c.getColumnIndex("uri"); int Column2 = c.getColumnIndex("file"); int Column3 = c.getColumnIndex("id"); c.moveToFirst(); if (c != null) { do { String uri = c.getString(Column1); String file = c.getString(Column2); int id = c.getInt(Column3); } while (c.moveToNext()); } I would normally add an array to listview like