android-arrayadapter

问题 Im using Custom class to fill Adapter on ListView Class looks like that: package com.example.raidplanner; public class RaidWpis { private int id; private int id_gildia; private String nazwa; private int schemat; private int data_zapis; private int data_start; private int opis; private int id_officer; private int nick_officer; private int typ; public RaidWpis(int id,String nazwa) { setNazwa(nazwa); setId(id); } public int getId(){ return id; } public void setId(int id){ this.id = id; } public

问题 Hi i'm trying to put a listview inside a listview inside a listview. The only problem is only the first listview is showing all elements correctly. Every listview after that only contains one element. UPDATE: Creating my own non-scrollable listview fixed the problem. https://stackoverflow.com/a/24629341/3713144 Here is some code: activity_anlagen_details.xml: <?xml version="1.0" encoding="utf-8"?> <android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res

问题 I have a method, initializeViews , which encounters an ArrayAdapter constructor undefined error in its last line. The method is located in F1Fragment , which extends MainFragment . MainFragment is then attached to an Activity . Can we not give the context of a Fragment in the ArrayAdapter<string> constructor? I am new to Android. Please correct me. Thanks in advance. private void initializeViews(RelativeLayout contentLayout) { leaguesListView = ( ListView ) contentLayout.findViewById ( R.id

问题 What does this mean? I have been fighting with this ListView that I have using an ArrayAdapter . I wrote this nice dialog fragment that I have calling back to an updateUI listner cause I want to update this ListView I have in my fragment from the DialogFragment at first the ArrayAdapter was a complex type of a class i Created: ArrayAdapter<Location> theLocations; ... //in oncreateview theLocations = new ArrayAdapter<Location>(mContext, R.layout.location_row, locations); //here locations is an

问题 This question already has answers here : “ArrayAdapter requires the resource ID to be a TextView” xml problems (3 answers) Closed 6 years ago . I'm working on my term project which developed on Android device. The problem is I try to add an object into my ArrayAdapter. But it gets an errors. 11-29 11:58:07.136: D/dalvikvm(1262): GC_FOR_ALLOC freed 136K, 8% free 2677K/2880K, paused 30ms, total 32ms 11-29 11:58:07.415: E/ArrayAdapter(1262): You must supply a resource ID for a TextView 11-29 11

问题 I'm doing my BlogApp. It gets all data from the Internet. I added three TextViews, but I have problem with getting images from JSON. I've tryed different ways but I still don't understand how exactly do this. Here is a part of my code: private void handleBlogResponse() { mProgressBar.setVisibility(View.INVISIBLE); if (mBlogData==null){ updateDisplayForError(); }else { try { JSONArray jsonPosts = mBlogData.getJSONArray("posts"); ArrayList<HashMap<String, String>> blogPosts = new ArrayList

问题 I am developing a android application with spinner in a form. The spinner items and spinner values are different. I want to collect all the value from the from including spinner and set a rest api service to web back end. here is the response array. {"Status":true,"errorType":null,"countryList":[{"Code":"US","Name":"United States"},{"Code":"CA","Name":"Canada"},{"Code":"AU","Name":"Australia"},{"Code":"GB","Name":"United Kingdom"}]} I am successfully binded the Name jsonObject to spinner but

问题 Busy creating an interface with spinner (dropdown) programmatically. To populate with data you need an (Array)Adapter. What I don't understand is why you need a reference to an Android resource at all, like "android.R.layout.simple_spinner_dropdown_item". Is it possible to populate the Spinner with webservice data, without any reference to such an Android resource? If not, why not and how should this resource look like, in an environment without layout's. If it is possible, please show me how

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 am able to accomplish pulling a random row of different column indexes and populate a ListView in my Main Activity with the data using a custom ArrayAdapter ( List<String> ). I want to take that same data and use it to populate a single textview (or LinearLayout containing two TextViews ) in the Main Activity. That TextView (s) would be in this format: String Int:Int Entry BookName Chapter#:Entry# Entry I have the following code to pull my random information from my SQLite Database and it