Java tutorial
//package com.java2s; import android.content.Context; import android.content.Intent; import android.net.Uri; import java.io.File; public class Main { public static void installAPK(Context context, File file) { if (file == null || !file.exists()) return; Intent intent = new Intent(); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); intent.setAction(Intent.ACTION_VIEW); intent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive"); context.startActivity(intent); } }