Java tutorial
//package com.java2s; import java.util.NoSuchElementException; import android.widget.Adapter; public class Main { public static final int getAdapterPositionById(final Adapter adapter, final long id) throws NoSuchElementException { final int count = adapter.getCount(); for (int pos = 0; pos < count; pos++) { if (id == adapter.getItemId(pos)) { return pos; } } throw new NoSuchElementException(); } }