Merge "Add null check for intent in AppPermissionPreferenceController" into rvc-dev

package com.android.settings.applications.appinfo;

import android.app.Activity;

import android.content.ActivityNotFoundException;

import android.content.Context;

import android.content.Intent;

    private void startManagePermissionsActivity() {

        // start new activity to manage app permissions

        final Intent intent = new Intent(Intent.ACTION_MANAGE_APP_PERMISSIONS);

        intent.putExtra(Intent.EXTRA_PACKAGE_NAME, mParent.getAppEntry().info.packageName);

        intent.putExtra(EXTRA_HIDE_INFO_BUTTON, true);

        String action = mParent.getActivity().getIntent().getAction();

        long sessionId = mParent.getActivity().getIntent().getLongExtra(

        final Intent permIntent = new Intent(Intent.ACTION_MANAGE_APP_PERMISSIONS);

        permIntent.putExtra(Intent.EXTRA_PACKAGE_NAME, mParent.getAppEntry().info.packageName);

        permIntent.putExtra(EXTRA_HIDE_INFO_BUTTON, true);

        Activity activity = mParent.getActivity();

        Intent intent = activity != null ? activity.getIntent() : null;

        if (intent != null) {

            String action = intent.getAction();

            long sessionId = intent.getLongExtra(

                    Intent.ACTION_AUTO_REVOKE_PERMISSIONS, INVALID_SESSION_ID);

            if ((action != null && action.equals(Intent.ACTION_AUTO_REVOKE_PERMISSIONS))

                    || sessionId != INVALID_SESSION_ID) {

                // If intent is Auto revoke, and we don't already have a session ID, make one

                while (sessionId == INVALID_SESSION_ID) {

                    sessionId = new Random().nextLong();

                }

            intent.putExtra(Intent.ACTION_AUTO_REVOKE_PERMISSIONS, sessionId);

                permIntent.putExtra(Intent.ACTION_AUTO_REVOKE_PERMISSIONS, sessionId);

            }

        }

        try {

            mParent.getActivity().startActivityForResult(intent, mParent.SUB_INFO_FRAGMENT);

            if (activity != null) {

                activity.startActivityForResult(permIntent, mParent.SUB_INFO_FRAGMENT);

            }

        } catch (ActivityNotFoundException e) {

            Log.w(TAG, "No app can handle android.intent.action.MANAGE_APP_PERMISSIONS");

        }