Tag: android-listview

Listview reloading already loaded images using Universal image loader

In my Android project I am showing all images from web service(Url) to ListView for this purpose I have used Universal image loader. After loaded some images in List if I scrolled down then scrolled Up,The already loaded images are reloading again. DisplayImageOptions.Builder displayImageOptionsBuilder = new DisplayImageOptions .Builder().cacheOnDisk(true).cacheInMemory(true).considerExifParams(true); ImageLoader.getInstance().displayImage(imageUri, imageView, displayImageOptionsBuilder.build()); What I tried ImageAware […]

How to show progress bar in each listview item?

please help me out to show the progress dialog in listview item. public class DealerSubCatListAdapter extends BaseAdapter { private Context context; private ArrayList<Image> Image; private LayoutInflater inflater = null; public DealerSubCatListAdapter(Context context, ArrayList<Image> Image) { this.context = context; this.Image = Image; inflater = (LayoutInflater) context .getSystemService(Context.LAYOUT_INFLATER_SERVICE); notifyDataSetChanged(); } @Override public int getCount() { return Image.size(); […]

Android listview using ViewHolder

I have a problem. I’m attempting to change an icon in my listview after it has been clicked. It works correctly although are not modified only the clicked icons but also those who are not displayed. For example if I click the icon in the first item of the listview, also the fifth icon changes. […]

Calculating the height of each row of a ListView

I am trying to make the background of a ListView scroll with the ListView. I am basing my approach on this class in Shelves, but while in Shelves everything has the same height, I can’t make the same guarantee. I have an activity like so: public class MainActivity extends Activity { @Override public void onCreate(Bundle […]

How to generate a ListView with headers above some sections?

I want to generate a ListView that has some dividers between some of the entries, like it can be seen in some of the property sections. See the example below. I try to generate a List that consists of some textviews followed by one of the fancy dividers explaining the next part of the list […]

Conflicting Android error messages: The specified child already has a parent. You must call removeView() on the child's parent first

Originally I got this error: The specified child already has a parent. You must call removeView() on the child’s parent first at customSection.addView(customLayout); So I added ((LinearLayout)customLayout.getParent()).removeView(customLayout); and now get java.lang.NullPointerException So if the child has a parent, and I must first remove the child from the parent, why does getParent() return null? I have […]

How do I vertically align an item within a list using relative layout?

I am using a list view in Android 1.5 to show a list of images and text next to the image. I am trying to vertically center the text but the text is at the top of the row instead of centered. Below is my layout: <?xml version=”1.0″ encoding=”utf-8″?> <RelativeLayout xmlns:android=”http://schemas.android.com/apk/res/android” android:id=”@+id/row” android:layout_width=”fill_parent” android:layout_height=”wrap_content” android:padding=”10dip”> […]

Adding Header in ListView in android

I need add header in my listview and header should always displayed even scrolling list. Is it possible in android list view?

Seamless nested scrolling (Android)

We’ve all been advised against nesting views that contain a scrolling mechanism. However, in the latest Android release (5.0), the Phone app caught my attention with what seems to be a ListView inside of a ScrollView. What really intrigued me was that the scrolling mechanism switched from the ScrollView to the ListView seamlessly. Demo: https://dl.dropboxusercontent.com/u/244748/recording.mp4. […]

Is there anything like NSDictionary in android?

I’m new to Android. I did search around but couldn’t find anything work like NSdictionary of iOS in Android. For example in iOS I can create SIMPLE array of dictionary like this format Array idx1: [objA1 for keyA],[objB1 for keyB],[objB1 for keyC] idx2: [objA2 for keyA],[objB2 for keyB],[objB2 for keyC] idx3: [objA3 for keyA],[objB3 for […]

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