android-listfragment

问题 I have used a MYSQL Database and connected it to my Android App using PHP. I added a sample row in the table and the PHP Script is returning JSON. I have tried my best in parsing the JSON and displaying it in a list. But it does not seem to be working. Able to run the App - But does not display content - Only shows the Dialog. It seems to work in Case of an Activity - What changes should be made to make it work for a Fragment. Here is my LogCat when I open up the fragment - http://prntscr.com

问题 Introduction: I have the following set up: A MainActivity with methods onNewIntent and processNewIntent , the MainActivity also implements FragmentActivity ; and has a tabbed fragment which implements FragmentList A listaddactivity activity that creates a new Parcelable listControlObject The listaddactivity activity sends an intent carrying a parcel which then reconstructs the listControlObject inside of the MainActivity 's onNewIntent and processNewIntent class. However; I can take in the

问题 I need to create ListView with Fragment at my Sample Screen Shot View. Screen Shots are I know it is possible. But how do workout this types of Fragment at dynamically. I have no idea. In this question and answers are very valuable me. Please give my solutions. If I have mistaken for my question sorry. 回答1: This answer is for those who all searching the answer for same question. The answer is achieved by FragmentManager and FragmentTransaction with the following syntax. FragmentManager

问题 I have a ListFragment in one of my views, I make a selection in the list and and I replace that fragment with another list. I then again make another selection in this list that replaces this list with another list but that third list always shows on top of the original list like it was never replaced, why would this happen, can I not go three levels deep when replacing fragments? here is the layout of the view <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas

问题 I have prepared a very simple test case with 1 activity and 2 fragments for my question: MainActivity.java (stores selected item in shared preferences) MyMainFragment.java (displays a text view and a "select" button) MyListFragment.java (displays a list of items) Initially MainActivity displays MyMainFragment. When user touches "Select item..." button, MainActivity displays MyListFragment with: public void selectedButtonClicked() { SharedPreferences prefs = getSharedPreferences(PREFS, 0); int

问题 i am not getting my list view on the screen. following code is used for application.when i tried Log.v("abcd",dataSnapshot.toString()); replies me the object as string in logcat. i dont understand in which part i have problem. logcat is not showing any errors. but my screen remains blank. FragmentLastView.class package com.example.shiva.gconnection.extendedVersion; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android

问题 I implemented EditText widget to filter items in ListFragment using custom ArrayAdapter . It works fine but the filtered list contains EMPTY items as well as filtered items. I found that i should clear the adapter before to repopulate it, right? Could it be something like adapter.clear(); listview.getAdapter().notifyDataSetChanged(); Anyway I cannot find working solution. Any clue to fix this bug, please? public class CustomListAdapter extends ArrayAdapter<UnitView> { private static final

问题 I´ve a problem in my Android Project. It´s a music track player, which shows each track in a ListFragment. Every item has got a Bitmap, where an oscilloscope is drawn on the bitmaps canvas. The items in the Listfragment are refreshed periodically. This is done via notifyDataSetChanged(); I also want to mute one track when I click on the item, but the onItemClick event doesn´t get fired every time. Only sometimes. Can anyone explain this to me? What am I doing wrong here? It works perfect

问题 I have a ListFragment that displays a list. All good. I wanted to put some well formatted textview preceding the list. I tried creating a linear layout with a textview and adding it as a header to the list but it does not work. The following does work: TextView tv = new TextView(getActivity()); tv.setText(“Some title with comments”); getListView().addHeaderView(tv); tv.setGravity(Gravity.LEFT); tv.setTextSize(TypedValue.COMPLEX_UNIT_SP, 20); I get the text before the list but I would like to

问题 I am in search of implementing fragments with expandable list view . After searching i found a class that implements expandable listview fragment on https://gist.github.com/1316903 . But i have no idea how to use it. Please help me. I tried list fragments ,but i have no idea about using fragments with expandable list view thanks in advance. 回答1: Here is what I got in MonoDroid/C#. I had to strip away some code (for confidentiality), but it should be mostly complete. This implementation can