filter example android
Example 1: android listview search filter custom adapter kotlin
override fun getFilter(): Filter {
return object : Filter() {
override fun publishResults(charSequence: CharSequence?, filterResults: Filter.FilterResults) {
mPois = filterResults.values as List<PoiDao>
notifyDataSetChanged()
}
override fun performFiltering(charSequence: CharSequence?): Filter.FilterResults {
val queryString = charSequence?.toString()?.toLowerCase()
val filterResults = Filter.FilterResults()
filterResults.values = if (queryString==null || queryString.isEmpty())
allPois
else
allPois.filter {
it.name.toLowerCase().contains(queryString) ||
it.city.toLowerCase().contains(queryString) ||
it.category_name.toLowerCase().contains(queryString)
}
return filterResults
}
}
}
Example 2: android listview search filter custom adapter kotlin
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:orientation="vertical"
android:layout_width="match_parent" android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView
android:layout_width="match_parent" android:layout_height="wrap_content"
android:text="Hello World!"
android:textSize="32sp"
android:textAlignment="center"/>
<AutoCompleteTextView
android:layout_marginTop="32dip"
android:layout_width="match_parent" android:layout_height="wrap_content"
android:id="@+id/autoCompleteTextView"/>
</LinearLayout>