adapter

问题 I have a List view of ringtones with a play image view in each row for each ringtone .. This is the view of it.. Now obviously when user clicks on a play button it should switch into pause button.. I have implemented this and it's all good so far .. Now I have a problem : I don't know how to track the currently playing row,I mean if user wants to play a song from another row, first I have to change currently pause toggle to play, then play the new one. Can you help me with this please !?

问题 I have seen too many questions about refreshin a listview and I have tried every solution on the topics but none worked for me. have tried notifysetdatachange() , invalidateviews , refreshdrawablestate() but none worked. I have an arraylist and after an longclick operation I am deleting an item from arraylist.and I want it to disappear from listview.but it does not. but after deletion if I open another activity and turn back to the activity which contains my listview it disappears. so my

问题 I have listviewadapter , it contains some fields like : status, notes, salesname, insertdate (txtTgglInsert), image. I want to do sorting based insertdate(txtTgglInsert) descending(based on recent status). How could I do this one on my programm with calling this adapter? my adapter : import java.net.URL; import java.text.DecimalFormat; import java.util.ArrayList; import android.app.Activity; import android.content.Context; import android.graphics.Color; import android.util.Log; import android

问题 PFB my layout My listView does not get scrolled I have 3 list below one relative layout Its the structure that like when I click on Relative Layout The list gets visible . Its working fine when I click on relative layout and after the data is populated . But the list does not seem to scroll. <ScrollView android:layout_width="match_parent" android:layout_height="580dp" > <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginLeft="20dp"

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 Basically, I have a RecyclerView with an adapter populating the data from a cursor. I have two options to get item animations: Use setHasStableIds(true) and override getItemId to return the ID of the database row, and then use a swapCursor function in the adapter that swaps its current cursor with the new one and then calls notifyDatasetChanged Similar to option 1, but instead of simply swapping the cursor and calling notifyDatasetChanged , iterate over the old and new cursor, comparing the

问题 Basically, I have a RecyclerView with an adapter populating the data from a cursor. I have two options to get item animations: Use setHasStableIds(true) and override getItemId to return the ID of the database row, and then use a swapCursor function in the adapter that swaps its current cursor with the new one and then calls notifyDatasetChanged Similar to option 1, but instead of simply swapping the cursor and calling notifyDatasetChanged , iterate over the old and new cursor, comparing the

问题 I have this CustomAdapter, to fill a list with my data. The problem is that the Imageview is downloaded and drawed a lot of times. Example: I search to my server a list of videos: (Video1) Title 1 Description 1 (Video2) Title 2 Description 2 (Video3) Title 3 Description 3 .. When this loads, the image from the Video1 loads, then on the same Imageview, the Video2Image load, and again for each video on the list, same times how videos are on the list. When I scroll the adapter, this download all

问题 How can I get the default db adabter in my table model? I want to use it to create a transaction. In database.global.php: return array( 'service_manager' => array( 'factories' => array( 'Zend\Db\Adapter\Adapter' => 'Zend\Db\Adapter\AdapterServiceFactory', ), 'aliases' => array( 'db' => 'Zend\Db\Adapter\Adapter', ), ), 'db' => array( 'driver' => 'Pdo', 'dsn' => 'mysql:dbname=cww;host=localhost', 'driver_options' => array( PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES \'UTF8\'' ), ), ); Now I

问题 I am trying to send a base64 image via Worklight adapter. I want to know which parameters size can the adapter handle? Can I use a 8MB Image and convert it to base64 (let's say it will become 12 Mega Byte on 1 parameter), and then send it successfully to worklight adapter? or there is a length limit for the adapter parameters? 回答1: Basically, there shouldn't be any limitation. But... I think you need to re-think why you would want to send a 12mb-sized image to your app (to the device,