Java tutorial
//package com.java2s; import java.io.File; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.Environment; public class Main { public static void inistallSoftware(Context context, String packageName) { String fileName = Environment.getExternalStorageDirectory() + "/" + packageName; Intent intent = new Intent(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(new File(fileName)), "application/vnd.android.package-archive"); context.startActivity(intent); } }