[androidbrasil-dev] Ajuda com Filtro em ListView preenchida com Json

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">

<LinearLayout android:orientation="vertical"
android:layout_width="fill_parent" android:layout_height="fill_parent">
<ListView android:id="@+id/historylist" android:layout_height="fill_parent"
android:layout_width="fill_parent"
android:background="@drawable/fundo_menu"
android:cacheColorHint="@android:color/transparent">
</ListView>
</LinearLayout>

</LinearLayout><?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="fill_parent"
android:orientation="vertical">
<EditText android:layout_width="fill_parent" android:layout_height="wrap_content"
android:id="@+id/et_Search" />
<FrameLayout android:layout_width="fill_parent"
android:layout_height="fill_parent" android:id="@+id/historyContainerLayout" />
</LinearLayout>
<?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="fill_parent"
android:orientation="vertical">
<EditText android:layout_width="fill_parent" android:layout_height="wrap_content"
android:id="@+id/filter_text" />
<FrameLayout android:layout_width="fill_parent"
android:layout_height="fill_parent" android:id="@+id/historyContainerLayout" />


</LinearLayout>

Olá, estou quase completando o desenvolvimento de uma ListView que recebe um JSON...  Está tudo funcionando complemente certo...