android-arrayadapter

问题 I use an ArrayAdapter in a DialogFragment, that work on Android 4.0 and more but not in 2.3. @Override public Dialog onCreateDialog(Bundle savedInstanceState) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); // Get the layout inflater LayoutInflater inflater = getActivity().getLayoutInflater(); View view = inflater.inflate(R.layout.dialog, null); Spinner spReglement; spReglement = (Spinner)view.findViewById(R.id.listReglements); ArrayAdapter<String> adapterList = new

问题 I am trying to create an application for android in which I want to keep AutoCompleteTextView to show suggestion to reduce the efforts of users. Currently I am testing with a small code I wrote but I am not getting suggestions. I am putting up the code, Please help me to find the error. public class MainActivity extends Activity { private ArrayList<Map<String, String>> objects; private AutoCompleteTextView autotextView; @Override public void onCreate(Bundle savedInstanceState) { super

问题 I am trying to create an application for android in which I want to keep AutoCompleteTextView to show suggestion to reduce the efforts of users. Currently I am testing with a small code I wrote but I am not getting suggestions. I am putting up the code, Please help me to find the error. public class MainActivity extends Activity { private ArrayList<Map<String, String>> objects; private AutoCompleteTextView autotextView; @Override public void onCreate(Bundle savedInstanceState) { super

来源： https://stackoverflow.com/questions/63981173/how-to-read-data-from-firebase-database-and-display-multiple-fields-in-listview

来源： https://stackoverflow.com/questions/36862968/android-custom-arrayadapter-with-custom-object

问题 The images are being downloaded in RecipeApiActivity - I can see them in a test ImageView called 'imigiview', so the API Request works! But I want them to be displayed correctly in a recyclerview - now it shows nothing at all. For that I created a list of Bitmaps in which I put all the downloaded bitmaps, this list is given to the RecipeAPIAdapter that should place them in the RecyclerView. Can you help me find out why the images are not shown? ( The Logcat gives me no error of any kind)

问题 I am trying to load an image using the Glide repository, then ultimately add that image into a gridview. I am currently trying to do this by creating a blank imageview, loading the image, adding the image to the imageview and then adding the imageview to my array adapter. The layout I am using with the arrayadapter contains a single imageview. Here is my code, layout, and error I am getting when I try to load the images final Query chatRoomMsgs = db.collection("chatrooms").document(chatRoomID

问题 I'm using an AsyncTask class to add, remove and clear items from my ArrayAdapter . Unfortunately, when any of those tasks are run, the ArrayAdapter wants to notifyDataSetChanged() , which requires that the thread be run on the uiThread . If I use runOnUiThread(new Runnable(){...}); in order to update an ArrayAdapter Asynchronously, doesn't that defeat the purpose of trying to update it in a new Thread to begin with? What is the best approach here? 回答1: Do .notifyDataSetChanged() insde

问题 I have a custom ArrayAdapter called InteractiveArrayAdapter that adds buttons and button listeners to each item in a list view. Inside the adapter there is a getView method that creates a view inflator. Inside of here is where my button is created and the buttonListener is created. When the button is clicked i delete the element in my ArrayList associated with that button. The problem is that i cant figure out how to call notifyDataSetChange from within this OnClick method, or another way to

问题 I have a custom ArrayAdapter called InteractiveArrayAdapter that adds buttons and button listeners to each item in a list view. Inside the adapter there is a getView method that creates a view inflator. Inside of here is where my button is created and the buttonListener is created. When the button is clicked i delete the element in my ArrayList associated with that button. The problem is that i cant figure out how to call notifyDataSetChange from within this OnClick method, or another way to