Java tutorial
//package com.java2s; import android.content.Context; import android.content.Intent; import android.net.Uri; public class Main { public static void installApk(Context context, String fileName) { if (fileName != null && fileName.contains(".apk")) { // File f = new File(fileName); // if(f.exists()){ Intent intent = new Intent(Intent.ACTION_VIEW); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); intent.setDataAndType(Uri.parse("file://" + fileName), "application/vnd.android.package-archive"); context.startActivity(intent); // } } } }