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Android: setselector color for listview not working

Posted by: admin June 15, 2020 Leave a comment

Questions:

I have a listview activity in which I set the selector color using the following code. But when I select an item, the whole list gets highlighted with the selector color, which I don’t want. Where Am I doing wrong? Any help is appreciated.

ListView lv = getListView();
lv.setFocusableInTouchMode(true);
lv.setBackgroundColor(Color.WHITE);
lv.setSelector(R.color.blue);
How to&Answers:

Use this way to use Selector
Create a xml in res/drawable and set the color for different event state
Then this xml as Selector
For example, let res/drawable/selector.xml

<?xml version="1.0" encoding="utf-8"?>
   <selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_selected="true"   
    android:drawable="@color/gray" />
</selector>

Then declare gray in your res\values\colors.xml

<color name="gray">#808080</color>

Then set selector as

lv.setSelector( R.drawable.selector);

Answer:

There’s no need to make res/drawable/selector.xml.
Just add these lines in your onCreate method:

StateListDrawable selector = new StateListDrawable();
selector.addState(new int[]{android.R.attr.state_pressed}, new ColorDrawable(R.color.pressed_state_color));
selector.addState(new int[]{-android.R.attr.state_pressed}, new ColorDrawable(R.color.normal_state_color));
lv.setSelector(selector);

Sorry, I haven’t enough reputation to add comments to previous answers.

Answer:

Thanks for your example, it worked better for me this way…Try this instead.
Create a xml in res/drawable and set the color for different event state

Then this xml as Selector
For example, let res/drawable/selector.xml

<?xml version="1.0" encoding="utf-8"?>
   <selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="true" android:drawable="@color/gray" />
</selector>

Then declare gray in your res\values\strings.xml

<color name="gray">#808080</color>

Then set selector as

lv.setSelector( R.drawable.selector);
lv.setDrawSelectorOnTop(true); // if you have background Drawable on your listView

Answer:

You must set

android:state_selected = "true"

to

android:state_selected = "false"

Answer:

Answers here doesn’t work for custom views in ListView because of invalid background. Solution is to set the background of each item to android:background="?android:attr/activatedBackgroundIndicator". Here is example:

<?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:background="?android:attr/activatedBackgroundIndicator">

      <!-- your item content-->
   </LinearLayout>

After that, StateListDrawable works as expected.

Source: http://www.michenux.net/android-listview-highlight-selected-item-387.html,