<?xml version="1.0" encoding="utf-8"?>
<searchable xmlns:android="http://schemas.android.com/apk/res/android"
    android:searchSuggestAuthority="com.dreiri.stolpersteine.suggestions"
    android:voiceSearchMode="showVoiceSearchButton|launchRecognizer"
    android:searchSuggestSelection=" ?"
    android:label="@string/app_name"
    android:hint="@string/search_hint" >
</searchable>

<?xml version="1.0" encoding="utf-8"?>
<searchable xmlns:android="http://schemas.android.com/apk/res/android"
    android:searchSuggestAuthority="com.dreiri.stolpersteine.suggestions"
    android:voiceSearchMode="showVoiceSearchButton|launchRecognizer"
    android:searchSuggestSelection=" ?"
    android:searchSuggestThreshold="1"
    android:label="@string/app_name"
    android:hint="@string/search_hint" >
</searchable>

Set search threshold to one character
Set search threshold to one character
