Add required flag.

package com.android.packageinstaller;

package com.android.packageinstaller;

import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;

import android.content.Context;

import android.content.Context;

import android.content.Intent;

import android.content.Intent;

import android.content.pm.PackageInstaller;

import android.content.pm.PackageInstaller;

        int status = intent.getIntExtra(PackageInstaller.EXTRA_STATUS, 0);

        int status = intent.getIntExtra(PackageInstaller.EXTRA_STATUS, 0);

        if (status == PackageInstaller.STATUS_PENDING_USER_ACTION) {

        if (status == PackageInstaller.STATUS_PENDING_USER_ACTION) {

            context.startActivity(intent.getParcelableExtra(Intent.EXTRA_INTENT));

            Intent intentToStart = intent.getParcelableExtra(Intent.EXTRA_INTENT);

            intentToStart.addFlags(FLAG_ACTIVITY_NEW_TASK);

            context.startActivity(intentToStart);

            return;

            return;

        }

        }