android-listview

问题 I need to create an application with a list-view activity, but the elements in the list should be separated one from another and have more then one click option: Here is the image: so i can click on the on the task to see the task details and i can click on the left side of the task (the colored part) to change it's color, and this way to change it's priority i would really appreciate if some one could provide me with a tutorial or additional reading information to creating such custom lists.

问题 In my project i am using google webService in which i am quering different query like-- hospital, cinema hall, resort etc. and get result in json format . From json i get so many data like Name, lat, lng, imageUrl, Web url in respective query. And i am manupulating these data and showing it in my Expandable listView. I am able to do show all data but when i am loading image on ImageView it is showing some mismatch. For loading image, I am using ImageLoader, FileCache, MemoryCache and Utils

问题 I'm trying to set up a listview with four different layouts for each type of row (4 types of row), i'm using ViewHolder. But i'm getting a weird problem which i'm not able to fix up. My views (all 4), have a CheckBox, some of the CheckBox have to be marked and disabled, when I have this listview with many rows and i scroll througth it, my CheckBox are getting checked and unchecked, enabled and disabled... I belive my problem has something to do with recycling views, but i'm not getting what

问题 i want to make an expandable listview, but the adapter will take cursor as input instead of array list. i would like to implement animation on collapse, https://github.com/idunnololz/AnimatedExpandableListView/ i refereed this lib, i'm now am able to implement listview by passing list to the adapter. But is there a tweak we can do so that, this adapter can make it work with cursor?. My expanded child list consists of only icons. Data will sit in group view 来源： https://stackoverflow.com

问题 I have implemented a list view using a custom array adapter. Now I want to get the selected item of the list view. I know that there are solutions using onclick listeners. However I would like to use the getSelectedItem() method of the ListView (AdapterView) class. The method always returns null. The other getSelected* methods also do not work. // onCreate mList = (ListView) findViewById(R.id.listView); // set in Broadcast Receiver (inner class) mList.setAdapter(new ListAdapter

问题 I'd like to animate item in ListView when user touches the item and do the animation backwards when the touch have ended. I've tried doing it by overriding onTouchEvent of the list item but if I return true when I handle the event I don't receive OnItemClickListener calls anymore because I've consumed the touch event, and if I return false I don't receive callback when user stops touching the view. listView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick

问题 I am working on a project where there is a custom listview which shows different fields and shows task status.The data is recieved as an object of a class The class i use to invoke the base adapter is as follows: package com.igloo.fragments; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ListView; import android.widget.Toast; import com.igloo.adapters

问题 I am currently chasing some dropped frames in my app..I turned to systrace for help, but unfortunately I am not smart from its output.. Here is my traceview.. My problem is basically that in my adapter I am creating quite large list items..That means when scrolling the adapter does nothing for some time and then it has to create quite large view..And even I did a lot of optimizations (obvi I do recycling, I avoided basically all redundant object instantiations,..), there are some dropped

问题 In my app, I am fetching data from web server and showing the data in a list view. The adapter for my list view contains both image and text. Now,I want to filter list view. For this, I had implemented Filterable interface in my custom adapter. But, it is not giving any result. I searched alot but couldn'tcome toany result. Here's my code: MainActivity Runnable r = new Runnable() { @Override public void run() { listMainMenu.setAdapter(mMenuAdapter); listMainMenu.setTextFilterEnabled(true);

问题 I am Reading imageURL's From Rss Xml file and displaying in List View,I'm able to display the images ,but getting Exception For Some Image URL's java.io.FileNotFoundException Here My Code: public class ImageLoader { MemoryCache memoryCache=new MemoryCache(); FileCache fileCache; private Map<ImageView, String> imageViews=Collections.synchronizedMap(new WeakHashMap<ImageView, String>()); ExecutorService executorService; String type; public ImageLoader(Context context,String type){ fileCache=new