Merge "Refactor OnUsersUpdateListener"

import android.app.AlertDialog.Builder;

import android.app.Dialog;

import android.car.userlib.CarUserManagerHelper;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.DialogInterface;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.pm.UserInfo;

import android.content.res.Resources;

import android.graphics.Bitmap;

import android.graphics.Rect;

import android.os.AsyncTask;

import android.os.UserHandle;

import android.util.AttributeSet;

import android.view.LayoutInflater;

import android.view.View;

 * Displays a GridLayout with icons for the users in the system to allow switching between users.

 * One of the uses of this is for the lock screen in auto.

 */

public class UserGridRecyclerView extends RecyclerView implements

        CarUserManagerHelper.OnUsersUpdateListener {

public class UserGridRecyclerView extends RecyclerView {

    private UserSelectionListener mUserSelectionListener;

    private UserAdapter mAdapter;

    private CarUserManagerHelper mCarUserManagerHelper;

    private Context mContext;

    private final BroadcastReceiver mUserUpdateReceiver = new BroadcastReceiver() {

        @Override

        public void onReceive(Context context, Intent intent) {

            onUsersUpdate();

        }

    };

    public UserGridRecyclerView(Context context, AttributeSet attrs) {

        super(context, attrs);

        mContext = context;

    @Override

    public void onFinishInflate() {

        super.onFinishInflate();

        mCarUserManagerHelper.registerOnUsersUpdateListener(this);

        registerForUserEvents();

    }

    /**

    @Override

    public void onDetachedFromWindow() {

        super.onDetachedFromWindow();

        mCarUserManagerHelper.unregisterOnUsersUpdateListener(this);

        unregisterForUserEvents();

    }

    /**

        mUserSelectionListener = userSelectionListener;

    }

    @Override

    public void onUsersUpdate() {

    private void onUsersUpdate() {

        mAdapter.clearUsers();

        mAdapter.updateUsers(createUserRecords(mCarUserManagerHelper.getAllUsers()));

        mAdapter.notifyDataSetChanged();

    }

    private void registerForUserEvents() {

        IntentFilter filter = new IntentFilter();

        filter.addAction(Intent.ACTION_USER_REMOVED);

        filter.addAction(Intent.ACTION_USER_ADDED);

        filter.addAction(Intent.ACTION_USER_INFO_CHANGED);

        filter.addAction(Intent.ACTION_USER_SWITCHED);

        filter.addAction(Intent.ACTION_USER_STOPPED);

        filter.addAction(Intent.ACTION_USER_UNLOCKED);

        mContext.registerReceiverAsUser(

                mUserUpdateReceiver,

                UserHandle.ALL,

                filter,

                /* broadcastPermission= */ null,

                /* scheduler= */ null);

    }

    private void unregisterForUserEvents() {

        mContext.unregisterReceiver(mUserUpdateReceiver);

    }

    /**

     * Adapter to populate the grid layout with the available user profiles

     */