android-listfragment

问题 I want to implement a List layout similar to Google Play which have menu for every individual Row. Please help me to create this. Do I need to create a Popup Menu or there is any option available to achieve this. Thanks 回答1: Looks like you are trying to do exactly the way in the image shown. I am just giving an example of how I am trying to achieve this. Here's how I am doing this. Not very difficult. Just straight implementation of Popup Menu. Step 1 : My Adapter public class ListAdapter

问题 The array list we pass to a custom array adapter are we supposed to modify it in a thread safe way? I mean if I have private class MyAdapter extends ArrayAdapter<CustomObject> and I instantiate it with my ArrayList of CustomObject s if I later want to modify that array list or objects in the array list in order to then notify the adapter that the UI should be updated should I do it in a thread safe way? E.g. passing a synchronized array list? 回答1: If you modify the list on the main/UI thread,

问题 I have some troubles using SearchView in my SherlockListFragment.There is a custom ArrayAdapter and a listview which contains one image and two TextViews for each item. Everything works well until I applied SearchView for my ListFragment. The search icon is expandable and I'm also able to enter words into the search bar. PROBLEM The custom adapter is able to filter the listview now, but when I delete the last letter from the expandable searchview, or close the searchview, the app crashed. I

问题 I have a simple activity built with HoloEverywhere with one fragment container. ListFragment appears there on start, and appears normally. Then, click on list item replaces ListFragment with another fragment and adds it to backstack. But when I'm pressing back button, list is empty, although it resumes normally. There's some code: Activity public class MainActivity extends Activity implements SongsFragment.IActivityCallback { public final static String TAG = "Lyrics"; @Override protected void

问题 I have searching for this case, i found it but in C#. Oke, I try to show my data into the listview using ListFragment android, json and mysql, but i got an error Class Cast when I running it, i hope anyone can help me. Here My Error : 06-12 17:04:04.685 20975-20975/com.spp.udi.sppmap E/AndroidRuntime: FATAL EXCEPTION: main Process: com.spp.udi.sppmap, PID: 20975 java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.spp.udi.sppmap/com.spp.udi.sppmap.Potensi}: java.lang

问题 I'm a beginner. I've a ListFragment where every element in the list contains three TextView and two different Buttons. Reading data from SQLite Database. Something like this: ListFragment -------------------- [Person Name] [Person Phone] [Person e-mail] [Button 1][Button 2] -------------------- [Person Name] [Person Phone] [Person e-mail] [Button 1][Button 2] -------------------- ... (and so on) ... where the button 1 will make a call and the 2 button will send an email to person. detail,

问题 I'm trying to find same problem but I don't found anything similar. My problem is: I have a listFragment that get the data from the sqlite. All works fine but when the listview have more elements and I need to do a scroll to see more elements, the view have a rare behaviour. I can see in the view how all the elements are static but in the behind of the view all the elements are doing scroll. I add a picture to see better the behaviour. This is my listFragment class: @Override public void

问题 I have a ListFragment and I have to add a menu. This is my code: listuser_menu: <menu xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@+id/any_option" android:title="In Context Menu" /> </menu> My ListFragment: @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); View mFooterView; // We need to use a different list item layout for devices older than Honeycomb int layout = Build.VERSION.SDK_INT >= Build

问题 I have been trying to make an app that opens a listview fragment (GradeListFragment) from an activity (GradeListActivity). When I click an item, it opens a new fragment (GradeDetailFragment). If in portrait mode, it replaces the list fragment in fragment1. If in landscape, it replaces the empty fragment2. My problem is that the app crashes when I switch orientation. Switching from both perspectives gets the same error. 04-09 12:10:52.240: E/AndroidRuntime(2221): FATAL EXCEPTION: main 04-09 12

问题 This is my adapter class where I want to call startActionMode. I call it inside setActionMode method but got these errors: Cannot cast from Context to ActivityFragment. The method startActionMode(ActivityFragment.ActionModeCallback) is undefined for the type ActivityFragment. public class ListAdapter extends ArrayAdapter<ListGettersSetters> { ArrayList<ListGettersSetters> arrayListGettersSetters; LayoutInflater layoutInflater; Context context; int Resource, i = 0, j = 0, checkedItemsCount = 0