Java tutorial
//package com.java2s; import java.io.File; import android.content.Context; import android.content.Intent; import android.net.Uri; public class Main { public static void installApk(Context context, File file) { Uri packageUri = Uri.fromFile(file); Intent intent = new Intent(Intent.ACTION_VIEW, packageUri); intent.setDataAndType(packageUri, "application/vnd.android.package-archive"); context.startActivity(intent); } }