List Item Is Not Highlighted Upon Selection

Oct 6, 2013

I am trying to create a Dialog with list items in it with List Adapter.Dialog is working fine.

ISSUE:-
--> Selected list row is NOT Highlighted for whichever list item "TextView.setBackgroundColor" is used
--> Selected list row is Highlighted for whichever list item "TextView.setBackgroundColor" is NOT used

I want all the list items highlighted upon Selection irrespective of background color (i am setting background color as BLACK)

MainActivity.java
[HIGH]
package com.example.testpro;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
[code]...

List Item is not highlighted upon Selection


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} catch (ParserConfigurationException e) {
// TODO Auto-generated catch block
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} catch (SAXException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
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@Override
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
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[Code]...

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I have a dialog window that covers 1/3 of the entire screen height and is displayed on top of my activity. The dialog holds two AutoCompleteTextView fields.

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Only after I long-press an item from the suggestion list, the list will be shown in full length. (screenshot right)

Screenhot is at: http://img704.imageshack.us/i/dialogdropdown.png/

How to fix this behaviour so that the list shows in full length right from the beginning, when the user starts typing something?

Code-wise there's nothing special, all I do is:

CODE:..........

One workaround idea is to somehow dispatch a motion event to simulate a touch (but then not selecting though) one of the list items. Any concrete idea in code for a solution.

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ListView lv = (ListView) findViewById(R.id.resultsList);
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CODE:............

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1. Registering the onClickListener in the ListActivity:
public class NewsListActivity extends ListActivity {...
public void onCreate(Bundle icicle) { super.onCreate(icicle);
setContentView(R.layout.news_list_format); ListView lv = getListView();
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Toast.LENGTH_SHORT).show(); }}); ...

2. The layout for the ListView associated with NewsListActivity:
<?xml version="1.0" encoding="UTF-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/ android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent" android:background="@drawable/wpaper_tile" >
<ListView android:id="@id/android:list" android:layout_width="fill_parent"
android:layout_height="fill_parent" android:layout_alignParentTop="true"
android:dividerHeight="15dp" android:divider="@android:color/transparent"
android:cacheColorHint="@android:color/transparent" android:scrollbars="none" />

<FrameLayout android:layout_width="fill_parent" android:layout_height="55dp"
android:layout_centerHorizontal="true" android:layout_alignParentBottom="true"
android:background="#88000000"/>
<ImageView android:layout_width="fill_parent"
android:layout_height="wrap_content" android:layout_centerHorizontal="true"
android:layout_alignParentBottom="true" android:src="@drawable/phonetop_bg" /> </RelativeLayout>

3. The NewsChannel layout:
<?xml version="1.0" encoding="UTF-8"?> <RelativeLayout xmlns:
android="http://schemas.android.com/apk/res/ android"
android:layout_width="fill_parent" android:layout_height="wrap_content">
<include layout="@layout/news_heading_format"
android:id="@+id/news_heading_header"/>
<ImageView android:id="@+id/news_channel_image" android:layout_width="88dp"
android:layout_height="66dp" android:layout_alignParentLeft="true"
android:layout_below="@id/news_heading_header" android:padding="10dp" />

<TextView android:id="@+id/news_channel_text" android:lines="4"
android:inputType="textMultiLine" android:layout_toRightOf="@id/news_channel_image"
android:layout_below="@id/news_heading_header" android:layout_width="fill_parent"
android:layout_height="wrap_content"/> </RelativeLayout>

When I run the app, the ItemClickListener is never called. However, if NewsChannel were of a simpler type, say, a single ImageView or TextView embedded in the layout, the callback does get called. Any idea what I'm doing wrong? My whole goal is simply to let the activity launched by NewsChannel (not shown) to find out which instance of NewsChannel it was launched from.

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<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_focused="true"
android:state_pressed="false"
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android:state_pressed="true"
android:drawable="@color/black_alpha" />
<item android:state_focused="false"
android:state_pressed="true"
android:drawable="@color/black_alpha" />
<item android:drawable="@color/white_alpha" />
</selector> but it does not work, it changes the entire list.

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Here is what I want to do:

Category 1:

Category 2:

Category 3:

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