custom-adapter

问题 I have come accross a bit of a weird problem (i think) with my listview and its customadapter. The problem is that I have some different view elements for every item in my listview, such as EditText fields among others. Whenever I have more than 2 items in the listview, entries to these elements are now in every other item. Let me give an example: - I am adding 8 items to the listview. - I enter a value in the first textfield - Now the same value repeats in the textfields: 3, 5 and 7 - If I

问题 I have come accross a bit of a weird problem (i think) with my listview and its customadapter. The problem is that I have some different view elements for every item in my listview, such as EditText fields among others. Whenever I have more than 2 items in the listview, entries to these elements are now in every other item. Let me give an example: - I am adding 8 items to the listview. - I enter a value in the first textfield - Now the same value repeats in the textfields: 3, 5 and 7 - If I

问题 I have come accross a bit of a weird problem (i think) with my listview and its customadapter. The problem is that I have some different view elements for every item in my listview, such as EditText fields among others. Whenever I have more than 2 items in the listview, entries to these elements are now in every other item. Let me give an example: - I am adding 8 items to the listview. - I enter a value in the first textfield - Now the same value repeats in the textfields: 3, 5 and 7 - If I

问题 I'm developing an application with ListView for Student Marklist creation. In this application, the List have 10 students. There are four grades provided for the exam which was conducted to those Students. One student can adapt only one grade from the four. The teacher will assign the grade to the student in ListView . My xml file Studentlist.xml is as follow: <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width=

问题 For another listView in another activity the text color of the items is black, like it should be. However, in another activity when using setAdapter in a new thread when the new items created the text color is white when I want it black. Here is the contents of Layout and Java code: <RelativeLayout 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" tools:context=

问题 I have a custom baseadapter which does some lazy loading of some images, and then inflating the layout so I end up with a listview where I have both image and text in one row. When the user presses one item of the listview, say for example item 0 (top item), I want to show a dialog box with some specific content. This content depends on the item number - so the content shown for item 0 is not the same as for item 1, and so on. Here is the getView method of the custom adapter: public View

问题 I have a model class. Now from my activity i want to set the values in model class & show them in gridview using my custom adapter. After that i need to store the object in a variable(class type) from gridview's onItemClick. I have done the below codes. But its not working. Where did i go wrong? activity_country.xml <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height

问题 I have a class which shows record in a ListView. The user can delete the records and everytime the user deletes a record I want to update a TextView from my layout with the new values. I've got a XML layout page, a class which then refers to a custom adapter. When the user deletes a record I trigger a function from another class (HistoryOverview.java) where I would like to update the textview. The thing is I've got everything coded without errors but my TextView does not update the values. Am

问题 When creating a custom ListView adapter, usually I extend it from Array Adapter<String> but I want to make a ListView containing photos from the Gallery of the phone. I managed to get the Bitmap from the Gallery referring to the picture the user chose and put it in a regular ImageView but, I don't really know how to do an adapter of a ListView displaying the photos the user choose. The photos are Bitmap , any help? 回答1: You would do this exactly as you would do with a list that contains only

问题 I trying to filter listview with custom adapter. When I start typing on edittext the list view should be filtered. Below is the code of adapter. The custom object has overridden method toString which return the name of the facebook user. I didn't override ArrayAdapter methods getItem,add or remove. public class FacebookFriendsAdapter extends ArrayAdapter<FacebookUser> { private Activity activity; public ImageLoader imageLoader; private HashMap<String, Integer> alphaIndexer; private String[]