Java tutorial
//package com.java2s; import java.io.File; import android.content.Context; public class Main { /** * Removes entities file. * @param context * @param fileName * @throws Exception */ public static void removeAllEntities(Context context, String fileName) throws Exception { File file = new File(context.getFilesDir(), fileName); boolean deleted = file.delete(); if (!deleted) { throw new Exception("Failed to remove file=" + fileName); } } }