android-listview

问题 I am using a GitHub library to make a horizontal scrollview of bitmaps but this is not working (aslo tried it for textviews). The basic code in this library I used is this. This is the custom Arrayadapter I am using: public class CustomArrayAdapterForalbumart extends ArrayAdapter<AlbumArtclass> { private LayoutInflater mInflater; private Context mContext=null; private List<AlbumArtclass> data=new Vector<AlbumArtclass>(); public CustomArrayAdapterForalbumart(Context context, List<AlbumArtclass

问题 This question already has answers here : Closed 6 years ago . Possible Duplicate: Out Of memory error using Universal Image Loader and images getting refreshed I have been following the Tutorials on lazy loading the images in a list view and than I implemented LazyList . The code is working properly as per my requirements however it is giving Out Of Memory Errors at some stages. I am using the same code of ImageLoader, Memory cache, LazyAdapter, FileChache and Utils. Here is LazyAdapter class

问题 I'm trying to get the selected item within my list view to stay highlighted when I select it but for some reason it won't do that the moment the selected item is not in view. E.g. When I select Item 4, that list item does get highlighted but when I scroll through the list it doesn't stay highlighted and then other items randomly become highlighted. Even when I return to Item 4, that item is no longer highlighted. I really don't understand why this is happening. What can be done to resolve

问题 I have minimum Ten item food into Listview. I want select one or more item food . And pressed Order button. Then show me total price for select item food. How possible please tell me? MenuListItem: package com.example.project_hotel_management; import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ListView;

问题 My Application has like below functionality: I have Done to set the Values with the custom adapter. but now i want to implement the functionality as like add another data, delete showing data, go to next data and back to previous data. In all that functionality only the Blue Values should be change. (that is the orderStatus in code). Left One Value (orderName()) should remain the same. Then how to implement that ? If i am adding the new data then that should be temporary stored as i want to

问题 When records first appear on ListView , they seem fine and the getView if (convertView == null) is called correctly as records are visible for the first time. However, if I scroll the ListView , even for the first time, if (convertView == null) is not called. Because of which the child in top item is repeated in the first item which appears on scroll. As per my understanding, if the ListView is scrolled for the first time, if (convertView == null) should be called. Please correct me if I am

问题 In my android application, I am using Listview and each row of listview will have textview and play/pause button. Here I am displaying audio file in each list row.When user click play button, audio file will start and the icon of play button will be changed to pause .If i click same button again, it will stop that audio file and icon of pause button will be to play. The problem is that if i am accessing the play button of 1st row and i click on play button of another row, then icon of 1st row

问题 I am using custom list view using base adapter <ListView android:id="@+id/lstHome" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentTop="true" android:drawSelectorOnTop="false" android:cacheColorHint="#3d4241" android:clickable="true" android:listSelector="@drawable/listbackground"> </ListView> and listbackground.xml <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android

问题 I'm creating a ListView that contains two TextViews and an ImageView. I'm passing data to my SimpleAdapter using a Hashmap, so I convert the ids of the images to a string and then later in the SimpleAdapter I convert them back to integers to set the image resource. However that doesn't seem to work. The relevant code is: The oncreate of my activity clubImages = new Integer[] { R.drawable.pic1, R.drawable.pic2, R.drawable.pic3, R.drawable.pic4, R.drawable.pic5 }; ListView lv = (ListView

问题 I'm building an Android application using ListView. I have list view items as show below. ^ List Item Index 0 ^ List Item Index 1 The xlm is as follows. <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:padding="4dip" > <ImageView android:id="@+id/icon" android:layout_width="wrap_content" android:layout_height="fill