my rooms

MainActivity.java
=======================
package com.example.teacher.mysmarthome;

import android.content.Context;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    EditText txtUser,txtPass;
    Button btnRegister;
    Context context;
    private final String TEST_USER="zeev";
    private final String TEST_PASS="12345";
    SPusers myUsers;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        setPointer();
        myUsers = new SPusers(this);

    }

    private void setPointer() {
        context=this;
        txtUser=findViewById(R.id.txtUser);
        txtPass=findViewById(R.id.txtPass);
        btnRegister=findViewById(R.id.btnRegister);
        btnRegister.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //create a new intent
                Intent intent=new Intent(context,Registration.class);
                startActivity(intent);

                //bad practice
                //startActivity(new Intent(context,Registration.class));
            }
        });
    }

    public void btnLogin(View view)
    {
        //Toast.makeText(this, "Hello my brother from another mother", Toast.LENGTH_LONG).show();
        String myUser=txtUser.getText().toString();
        String myPass=txtPass.getText().toString();

        //check if user exists...


        //LOGIN TO ROOMS SCREEN
        Intent intent = new Intent(context,Rooms.class);
        //not a good way...
        //intent.putExtra("userName","Zeevik");

        //this is how we work, with bundle
        Bundle bundle = new Bundle();
        bundle.putString("userName","MBD");
        bundle.putInt("userLevel",0);
        bundle.putBoolean("canEdit",true);
        bundle.putBoolean("canDelete",true);
        intent.putExtras(bundle);

        //start the activity...
        startActivity(intent);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId())
        {
            case R.id.btnAr:
                Toast.makeText(context, "Arabic", Toast.LENGTH_SHORT).show();
                break;

            case R.id.btnEn:
                Toast.makeText(context, "English", Toast.LENGTH_SHORT).show();
                break;

            case R.id.btnHe:
                Toast.makeText(context, "Hebrew", Toast.LENGTH_SHORT).show();
                break;

            case R.id.btnRu:
                Toast.makeText(context, "Russion", Toast.LENGTH_SHORT).show();
                break;

            default:
                Toast.makeText(context, "WTF?!?!?!?", Toast.LENGTH_SHORT).show();
                break;
        }
    }
}


RoomsAdapter.java
======================
package com.example.teacher.mysmarthome;

import android.content.Context;
import android.graphics.Color;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.List;

public class RoomsAdapter extends BaseAdapter {

    Context context;
    List<ClsRooms> myRooms;
    boolean flipFlop=true;

    public RoomsAdapter(Context context, List<ClsRooms> myRooms) {
        this.context = context;
        this.myRooms = myRooms;
    }

    @Override
    //how many times we will build the item.....
    public int getCount() {
        return myRooms.size();
    }

    @Override
    //get item data (Object)
    public Object getItem(int i) {
        return null;
    }

    @Override
    //get item id by it's id (good for outside item select)
    public long getItemId(int i) {
        return 0;
    }

    @Override
    //create view for each row (according to getCount)
    public View getView(int i, View view, ViewGroup viewGroup) {

        //single view item
        //TextView roomName=new TextView(context);
        //roomName.setTextSize(32);
        //roomName.setText(myRooms.get(i).roomName);

        //we hold the view (layout of room_item)
        View myItemView = View.inflate(context,R.layout.room_item,null);
        //we set pointers to each item
        ImageView roomPic = myItemView.findViewById(R.id.picRoom);
        TextView roomName = myItemView.findViewById(R.id.txtRoomName);
        TextView roomApp = myItemView.findViewById(R.id.txtAppl);
        flipFlop=!flipFlop;
        if (flipFlop)
        {
            myItemView.setBackgroundColor(Color.GRAY);
        }
        //we change the info inside our view
        roomName.setText(myRooms.get(i).roomName);
        roomApp.setText(myRooms.get(i).items+"");

        return myItemView;
    }
}


ClsRooms.java
==================
package com.example.teacher.mysmarthome;

import android.graphics.Bitmap;

public class ClsRooms {
    String roomName;
    int items;
    int roomPicture=0;

    public ClsRooms(String roomName, int items, int roomPicture) {
        this.roomName = roomName;
        this.items = items;
        this.roomPicture = roomPicture;
    }
}


Rooms.java
=============
package com.example.teacher.mysmarthome;

import android.content.Context;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

public class Rooms extends AppCompatActivity {
    TextView txtUserName;
    Button btnAdd;
    ListView lstRooms;
    Context context;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_rooms);
        setPointer();
        getData();
        setRooms();
    }

    private void setRooms() {
        //create a demo list
        List<ClsRooms> myRooms = new ArrayList<>();
        myRooms.add(new ClsRooms("Sallon",5,0));
        myRooms.add(new ClsRooms("BadRoom",3,0));
        myRooms.add(new ClsRooms("Office",3,0));
        myRooms.add(new ClsRooms("Nipo Room",3,0));
        myRooms.add(new ClsRooms("Kitchen",7,0));
        myRooms.add(new ClsRooms("Living Room",6,0));
        myRooms.add(new ClsRooms("BathRoom",1,0));

        //create a new BaseAdapter for displaying the info inside the listView
        RoomsAdapter myAdapter=new RoomsAdapter(context,myRooms);
        //connect between the listView and our adapter
        lstRooms.setAdapter(myAdapter);

    }

    private void getData() {
        Intent intent=getIntent();
        //old way
        //String userName="Hello "+intent.getStringExtra("userName");


        //best way
        Bundle bundle = intent.getExtras();
        String userName = "Hello "+bundle.getString("userName");

        txtUserName.setText(userName);
    }

    private void setPointer() {
        context=this;
        txtUserName=findViewById(R.id.txtUserName);
        lstRooms=findViewById(R.id.lstRooms);
    }
}



room_item.xml
=================
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="100dp"
    android:orientation="horizontal"
    android:layout_marginTop="20dp"
    android:gravity="center_vertical"
    android:background="#fff">

    <ImageView
        android:layout_width="50dp"
        android:layout_height="100dp"
        android:src="@drawable/logo_mysh"
        android:layout_weight="1"
        android:id="@+id/picRoom"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="28sp"
        android:text="roomName"
        android:layout_weight="2"
        android:gravity="center"
        android:id="@+id/txtRoomName"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="#00ff00"
        android:text="0"
        android:textSize="38sp"
        android:layout_weight="1"
        android:gravity="center"
        android:id="@+id/txtAppl"/>
</LinearLayout>


activity_rooms.xml
===================
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Here we have the user name"
        android:gravity="center"
        android:layout_marginTop="20dp"
        android:textSize="22sp"
        android:id="@+id/txtUserName"/>
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="#009fff"
        android:textColor="#fff"
        android:text="Add Room"
        android:textSize="22sp"
        android:layout_marginTop="20dp"
        android:id="@+id/btnAdd"/>

    <ListView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/lstRooms"></ListView>
</LinearLayout>