Merge "Try harder to find a camera app to pin." into pi-dev

import java.io.PrintWriter;

import java.lang.annotation.Retention;

import java.lang.annotation.RetentionPolicy;

import java.util.List;

import java.util.ArrayList;

import java.util.zip.ZipFile;

    }

    private ApplicationInfo getCameraInfo(int userHandle) {

        //  find the camera via an intent

        //  use INTENT_ACTION_STILL_IMAGE_CAMERA instead of _SECURE.  On a

        //  device without a fbe enabled, the _SECURE intent will never get set.

        Intent cameraIntent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);

        return getApplicationInfoForIntent(cameraIntent, userHandle);

        ApplicationInfo info = getApplicationInfoForIntent(cameraIntent, userHandle,

            false /* defaultToSystemApp */);

        // If the STILL_IMAGE_CAMERA intent doesn't resolve, try the _SECURE intent.

        // We don't use _SECURE first because it will never get set on a device

        // without File-based Encryption. But if the user has only set the intent

        // before unlocking their device, we may still be able to identify their

        // preference using this intent.

        if (info == null) {

            cameraIntent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);

            info = getApplicationInfoForIntent(cameraIntent, userHandle,

                false /* defaultToSystemApp */);

        }

        // If the _SECURE intent doesn't resolve, try the original intent but request

        // the system app for camera if there was more than one result.

        if (info == null) {

            cameraIntent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);

            info = getApplicationInfoForIntent(cameraIntent, userHandle,

                true /* defaultToSystemApp */);

        }

        return info;

    }

    private ApplicationInfo getHomeInfo(int userHandle) {

        Intent intent = mAmInternal.getHomeIntent();

        return getApplicationInfoForIntent(intent, userHandle);

        return getApplicationInfoForIntent(intent, userHandle, false);

    }

    private ApplicationInfo getApplicationInfoForIntent(Intent intent, int userHandle) {

    private ApplicationInfo getApplicationInfoForIntent(Intent intent, int userHandle,

            boolean defaultToSystemApp) {

        if (intent == null) {

            return null;

        }

        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(intent,

        ResolveInfo resolveInfo = mContext.getPackageManager().resolveActivityAsUser(intent,

                MATCH_FLAGS, userHandle);

        if (info == null) {

        // If this intent can resolve to only one app, choose that one.

        // Otherwise, if we've requested to default to the system app, return it;

        // if we have not requested that default, return null if there's more than one option.

        // If there's more than one system app, return null since we don't know which to pick.

        if (resolveInfo == null) {

            return null;

        }

        if (isResolverActivity(info.activityInfo)) {

        if (!isResolverActivity(resolveInfo.activityInfo)) {

            return resolveInfo.activityInfo.applicationInfo;

        }

        if (defaultToSystemApp) {

            List<ResolveInfo> infoList = mContext.getPackageManager()

                .queryIntentActivitiesAsUser(intent, MATCH_FLAGS, userHandle);

            ApplicationInfo systemAppInfo = null;

            for (ResolveInfo info : infoList) {

                if ((info.activityInfo.applicationInfo.flags

                      & ApplicationInfo.FLAG_SYSTEM) != 0) {

                    if (systemAppInfo == null) {

                        systemAppInfo = info.activityInfo.applicationInfo;

                    } else {

                        // If there's more than one system app, return null due to ambiguity.

                        return null;

                    }

        return info.activityInfo.applicationInfo;

                }

            }

            return systemAppInfo;

        }

        return null;

    }

    private void sendPinAppsMessage(int userHandle) {