Java tutorial
//package com.java2s; import java.io.File; import android.os.Environment; public class Main { public static String DOWNLOADPATH = Environment.getExternalStorageDirectory().getAbsolutePath() + "/.dongji/dongjiMarket/cache/apk/"; public static void deleteFileByApkSaveName(String apkSaveName) { File file = new File(DOWNLOADPATH + apkSaveName + ".apk"); file.delete(); } }